From nobody Thu Sep 19 23:15:27 2024 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 320BD13EFF3 for ; Thu, 6 Jun 2024 09:26:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666007; cv=none; b=r5Fo1hFXI2fO/oU6ojLjO7eGHahQN8BHWaIelprghGi9HBd7pSWDa5buxuIWq6KCBGQz9bzW1Y4V4lcto/Ww0fOeV/VJEOIch/iPzJrFYwba5pi5NRXKg89wU7RD8rDB2BsdZl1sXXvHeBXlGbId4Z98PuvsBw32f9RxMcRyMS8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666007; c=relaxed/simple; bh=eKpWxfAxY/NqzBb/rOMFmezlP8QEKNmXCxQikdX5yxs=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fd7ta1WYnFyPVOIwXg9XMOTYYXlfr+zDHyxAC7Bu53M2RwHJ9LYYd/5FX83MXsVCfst9keisLY2HckDc3rxVzAks3OERLNs56+FsnStsJiv4t7Mqo6D9fHnSQj79aoddguiKqSP/BgCOse7j/H/FbebiylJkAK0DQUqPVlAbids= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=KAQdtsr7; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="KAQdtsr7" X-UUID: e0c956b823e611efa22eafcdcd04c131-20240606 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=xoLRYaU7yoSuJFIB2Klrt50DpYA8HCIs8Oq+MvdPFfs=; b=KAQdtsr7sNvZMWo1Pn64s1en3q1WTeuEKceRJHp+zUaRTtJPIaTLLW2QcElAJ0XYmy+XsuKF1lTsjRhlAOkWCYAUyhJ8ttnHgKWj4MaaiZywnO9Q41/wozlpRdZ/1yAQWPBKDRGNpdDgrAkZtlq6GRn8jI9cI6+iX3Xgl/b2IzQ=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.39,REQID:5523b91d-6580-44af-ad8d-bbf40de34466,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:393d96e,CLOUDID:613b4744-4544-4d06-b2b2-d7e12813c598,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: e0c956b823e611efa22eafcdcd04c131-20240606 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1676228695; Thu, 06 Jun 2024 17:26:39 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS14N2.mediatek.inc (172.21.101.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 6 Jun 2024 17:26:36 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 6 Jun 2024 17:26:36 +0800 From: Shawn Sung To: Chun-Kuang Hu CC: Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno , "Bibby Hsieh" , CK Hu , "Nancy . Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 01/16] soc: mediatek: Disable 9-bit alpha in ETHDR Date: Thu, 6 Jun 2024 17:26:20 +0800 Message-ID: <20240606092635.27981-2-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--4.682500-8.000000 X-TMASE-MatchedRID: k8Xm6x9M5Ep8XbDftE7Is98tWTI1R8epwZLXS0hN8p1Zps+y1VXzqdnv 4KmarbUQ2tWL4y7HsTWfKyXIRVJFjAgpNt5EgFbMY1bQMCMvmn744jpewrcFYd9RlPzeVuQQHz5 ccRN5kLPRGkFt/fG/yCjzbr1UlDnYGAdnzrnkM48URSScn+QSXt0H8LFZNFG7doMssNsUwYXRsV AudlazscZEM68jstKz/J0+Gslj0VzkMCYT2R0qXKIl8iTbYhMhktJrxuof2amhvEPQS1e2QJ9C7 4QyK/10JJlSv7hgV4qAhOcaQrQ0U1GyRcoeF18qmKP0zzpTAeGwod8xOMKmvA1Aka/KIp/p X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--4.682500-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 729B3508F30CB7C12E0921B6D46869951CC58D4DAEBC39425134DCD5BA83767E2000:8 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung When 9-bit alpha is enabled, its value will be converted from 0-255 to 0-256 (255 =3D not defined). This is designed for special HDR related calculation, which should be disabled by default, otherwise, alpha blending will not work correctly. Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- drivers/soc/mediatek/mtk-mmsys.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mm= sys.c index f370f4ec4b88..938240714e54 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -236,6 +236,7 @@ void mtk_mmsys_mixer_in_config(struct device *dev, int = idx, bool alpha_sel, u16 =20 mtk_mmsys_update_bits(mmsys, MT8195_VDO1_MIXER_IN1_ALPHA + (idx - 1) * 4,= ~0, alpha << 16 | alpha, cmdq_pkt); + mtk_mmsys_update_bits(mmsys, MT8195_VDO1_HDR_TOP_CFG, BIT(15 + idx), 0, c= mdq_pkt); mtk_mmsys_update_bits(mmsys, MT8195_VDO1_HDR_TOP_CFG, BIT(19 + idx), alpha_sel << (19 + idx), cmdq_pkt); mtk_mmsys_update_bits(mmsys, MT8195_VDO1_MIXER_IN1_PAD + (idx - 1) * 4, --=20 2.18.0 From nobody Thu Sep 19 23:15:27 2024 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 36B9E13F006 for ; Thu, 6 Jun 2024 09:26:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666008; cv=none; b=EXsQSRBUqwzheKMerf5I2U1B3FmUpGyA/KqDxkMPYoGTNPUD5d0cM7NeQHY+GIBeltFz45j1OBD8VokxeWuySOhiQ4SrqlF+MMLh2croLBGPp7jXeogzSyIm7I51oushhJ8Rs7itrPQ0va/ymWuujTP/tLQeOjmHPMV+8Oekt/M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666008; c=relaxed/simple; bh=8p6+Q3rU9bXi50l7Xds0/Wv3J5IquyXYdLiI8YffPyg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kn5d+D68kGNbvEUqXIP9ZOq/tPsOP3pnq7KiPgB5HRNBnt4bEDmJ++UrESlbWneMcACFhPxuoLhN+34cH7V3EVD5YI7nQJ47tgMIAl2BW6MUlGGGoAVIv0EvZPnArQnbe+Hb6UgcK1UO+/rmhyogaJlaNzovcbs4kbP9pYV0JM4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=DAN6BzQe; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="DAN6BzQe" X-UUID: dfee975823e611efa54bbfbb386b949c-20240606 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=7nE/QOdF6DZkuzugNku7/nlmj5kKG7hAplmMUyOAp1k=; b=DAN6BzQenhqvHOhRlSE6Jr/XjEOdrfuFOJDN06Mq4i2+spyxFE/hBaMKvjYkmZOxeArdp09UFEu1KOdUyyULRinCvToPqRmzbBI83lkgLCPl9ImH2jdt6ycQkuUpnNCihYNf87PZXSwV5AGRkvMxP9NAX9g0DGN7EgGq85D0his=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.39,REQID:dfa3961b-2e90-4c81-acd3-f72fac91f64b,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:393d96e,CLOUDID:7ab7b093-e2c0-40b0-a8fe-7c7e47299109,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES :1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: dfee975823e611efa54bbfbb386b949c-20240606 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1926580551; Thu, 06 Jun 2024 17:26:37 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS09N2.mediatek.inc (172.21.101.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 6 Jun 2024 02:26:36 -0700 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 6 Jun 2024 17:26:36 +0800 From: Shawn Sung To: Chun-Kuang Hu CC: Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno , Bibby Hsieh , CK Hu , "Nancy . Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 02/16] drm/mediatek: Add OVL compatible name for MT8195 Date: Thu, 6 Jun 2024 17:26:21 +0800 Message-ID: <20240606092635.27981-3-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Add OVL compatible name for MT8195. Without this commit, DRM won't work after modifying the device tree. Reviewed-by: CK Hu Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/media= tek/mtk_drm_drv.c index b5f605751b0a..8e047043202b 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -743,6 +743,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = =3D { .data =3D (void *)MTK_DISP_OVL }, { .compatible =3D "mediatek,mt8192-disp-ovl", .data =3D (void *)MTK_DISP_OVL }, + { .compatible =3D "mediatek,mt8195-disp-ovl", + .data =3D (void *)MTK_DISP_OVL }, { .compatible =3D "mediatek,mt8183-disp-ovl-2l", .data =3D (void *)MTK_DISP_OVL_2L }, { .compatible =3D "mediatek,mt8192-disp-ovl-2l", --=20 2.18.0 From nobody Thu Sep 19 23:15:27 2024 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 34F5D13CFAF for ; Thu, 6 Jun 2024 09:26:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666005; cv=none; b=mzMTIM7bA0teeVYgfvxPSGBgipQFN2kLncABjXJNgDWxV0pveQ7+X/QS0CmeG72mibGIKyjkumYDv9FShkg2NZlBkiZ2dwOki3PQRIsZQO4INAwMOG1DmHii+mXetOoOuun/+zAxq+pW/wBfr7+eKXS75ryoCzTmtLjgjejkbq4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666005; c=relaxed/simple; bh=1wr9EKr1Y7iHpQu8yo9Lqoplr+UZxA75OUxOZ1LTDMM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ccv1lKb/awN+zylp87Ux2g7GF+QhrPwIQQKowhKQBiigiQl+6DEAyclu86vP6r9zNJPD/RXlAk03kMV0PydW3pxgiWa7aGtqLGFdzCOWUDf0pq+fP2iE3zLkjb16fuZov5A0YBJVF3csnL/l7NUV2K5rRjQkmRSfsbfAm+ZkHis= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=TX+wY4O8; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="TX+wY4O8" X-UUID: dff1057e23e611efa54bbfbb386b949c-20240606 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=i3+6+QTyogEskPWqDueFjhPdOWhJo2GLN1jhaZk0OD0=; b=TX+wY4O8bpK9plw1UvskKY+YW4olVcFQ9HibznR0C8cZn4riwk24HXspqm4YZf9YcFbTvGqojIDOuwgy9Vd3XgmoUIWjAnMUh/e5U7LuAEOKAS6UdWieOMnGg5gfXTYyp8lOXDw5m2kKi225UeHefd8dvovgKLLXa1wfU5bHlJ4=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.39,REQID:dc0f70d3-d94d-4878-ab00-243fbb5553dc,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:393d96e,CLOUDID:15d24988-8d4f-477b-89d2-1e3bdbef96d1,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES :1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: dff1057e23e611efa54bbfbb386b949c-20240606 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1172105907; Thu, 06 Jun 2024 17:26:37 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS09N2.mediatek.inc (172.21.101.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 6 Jun 2024 02:26:36 -0700 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 6 Jun 2024 17:26:36 +0800 From: Shawn Sung To: Chun-Kuang Hu CC: Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno , Bibby Hsieh , CK Hu , "Nancy . Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 03/16] drm/mediatek: Add missing plane settings when async update Date: Thu, 6 Jun 2024 17:26:22 +0800 Message-ID: <20240606092635.27981-4-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Fix an issue that plane coordinate was not saved when calling async update. Fixes: 920fffcc8912 ("drm/mediatek: update cursors by using async atomic up= date") Reviewed-by: CK Hu Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_plane.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_plane.c b/drivers/gpu/drm/mediate= k/mtk_plane.c index 4625deb21d40..a74b26d35985 100644 --- a/drivers/gpu/drm/mediatek/mtk_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_plane.c @@ -227,6 +227,8 @@ static void mtk_plane_atomic_async_update(struct drm_pl= ane *plane, plane->state->src_y =3D new_state->src_y; plane->state->src_h =3D new_state->src_h; plane->state->src_w =3D new_state->src_w; + plane->state->dst.x1 =3D new_state->dst.x1; + plane->state->dst.y1 =3D new_state->dst.y1; =20 mtk_plane_update_new_state(new_state, new_plane_state); swap(plane->state->fb, new_state->fb); --=20 2.18.0 From nobody Thu Sep 19 23:15:27 2024 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4850113E05A for ; Thu, 6 Jun 2024 09:26:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666006; cv=none; b=b+zWZnoocYuTE1EpP10/RhYDMZLTapcorpkVSIE7MC+LuayjJuWPrLhCAkQPiw508hdFDDFsqWO8lKna4qYmFEfZjYKdJU1hT1IuKhz87yI2si0zDK4pXbtZMbOTMwTz58cX9wiwr9b5ReO8U9YljSej15Q2RIwf6ZUlhajUyYs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666006; c=relaxed/simple; bh=ubJoFLOaudmDepAwCD6kheFg4erFXVqoWAyNnxjVTQ4=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=E5b9qst0XpMYTGwbGRty9EyEUKbEkkzdHDeVHPacQKt8rUAB/7eEqiGz+iyffOtac0jl181taAKjAg8ecpcjn3rLVPoLZLy9wFJMGB3EjdU+tPzf8ogeGVPDPbluJEAY6cqcHbID1x0ABE+FbctbDUzf9ZpVfB/BEYYvslctcis= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=RaglGVt6; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="RaglGVt6" X-UUID: e0254cbc23e611efa54bbfbb386b949c-20240606 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=tN2fthEvbDALIOfu9f+hoAOF8rB39TbT5fxu0nBzcF0=; b=RaglGVt6YwvkqOwJMIvpN1FMlnJJRhLDVfPwMKRe6skv/soSzsUmj+gbE8WNxhcCDyZ1mywusrqEOedG2FQxvijvnN1+ihr2vwAjsvJqftvT+nC8vmEZ96DqvDLHw4BCnGEY6oFF5F9R4+3+twgQLuImboTnfk3+lq/vCTwCeWc=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.39,REQID:8be7cec4-ed09-4b60-98ac-a1696584c7d6,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:393d96e,CLOUDID:353b4744-4544-4d06-b2b2-d7e12813c598,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES :1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: e0254cbc23e611efa54bbfbb386b949c-20240606 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 164953707; Thu, 06 Jun 2024 17:26:38 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 6 Jun 2024 17:26:36 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 6 Jun 2024 17:26:36 +0800 From: Shawn Sung To: Chun-Kuang Hu CC: Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno , Bibby Hsieh , CK Hu , "Nancy . Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 04/16] drm/mediatek: Add DRM_MODE_ROTATE_0 to rotation property Date: Thu, 6 Jun 2024 17:26:23 +0800 Message-ID: <20240606092635.27981-5-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Always add DRM_MODE_ROTATE_0 to rotation property to meet IGT's (Intel GPU Tools) requirement. Reviewed-by: CK Hu Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_ddp_comp.h | 6 +++++- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 17 +++++------------ drivers/gpu/drm/mediatek/mtk_plane.c | 2 +- 3 files changed, 11 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_ddp_comp.h b/drivers/gpu/drm/medi= atek/mtk_ddp_comp.h index 26236691ce4c..f7fe2e08dc8e 100644 --- a/drivers/gpu/drm/mediatek/mtk_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_ddp_comp.h @@ -192,7 +192,11 @@ unsigned int mtk_ddp_comp_supported_rotations(struct m= tk_ddp_comp *comp) if (comp->funcs && comp->funcs->supported_rotations) return comp->funcs->supported_rotations(comp->dev); =20 - return 0; + /* + * In order to pass IGT tests, DRM_MODE_ROTATE_0 is required when + * rotation is not supported. + */ + return DRM_MODE_ROTATE_0; } =20 static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/medi= atek/mtk_disp_ovl.c index b552a02d7eae..862ab683ed1b 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -296,27 +296,20 @@ int mtk_ovl_layer_check(struct device *dev, unsigned = int idx, struct mtk_plane_state *mtk_state) { struct drm_plane_state *state =3D &mtk_state->base; - unsigned int rotation =3D 0; =20 - rotation =3D drm_rotation_simplify(state->rotation, - DRM_MODE_ROTATE_0 | - DRM_MODE_REFLECT_X | - DRM_MODE_REFLECT_Y); - rotation &=3D ~DRM_MODE_ROTATE_0; - - /* We can only do reflection, not rotation */ - if ((rotation & DRM_MODE_ROTATE_MASK) !=3D 0) + /* check if any unsupported rotation is set */ + if (state->rotation & ~mtk_ovl_supported_rotations(dev)) return -EINVAL; =20 /* * TODO: Rotating/reflecting YUV buffers is not supported at this time. * Only RGB[AX] variants are supported. + * Since DRM_MODE_ROTATE_0 means "no rotation", we should not + * reject layers with this property. */ - if (state->fb->format->is_yuv && rotation !=3D 0) + if (state->fb->format->is_yuv && (state->rotation & ~DRM_MODE_ROTATE_0)) return -EINVAL; =20 - state->rotation =3D rotation; - return 0; } =20 diff --git a/drivers/gpu/drm/mediatek/mtk_plane.c b/drivers/gpu/drm/mediate= k/mtk_plane.c index a74b26d35985..1723d4333f37 100644 --- a/drivers/gpu/drm/mediatek/mtk_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_plane.c @@ -338,7 +338,7 @@ int mtk_plane_init(struct drm_device *dev, struct drm_p= lane *plane, return err; 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Thu, 06 Jun 2024 17:26:37 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 6 Jun 2024 17:26:37 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 6 Jun 2024 17:26:37 +0800 From: Shawn Sung To: Chun-Kuang Hu CC: Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno , Bibby Hsieh , CK Hu , "Nancy . Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 05/16] drm/mediatek: Set DRM mode configs accordingly Date: Thu, 6 Jun 2024 17:26:24 +0800 Message-ID: <20240606092635.27981-6-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Set DRM mode configs limitation according to the hardware capabilities and pass the IGT checks as below: - The test "graphics.IgtKms.kms_plane" requires a frame buffer with width of 4512 pixels (> 4096). - The test "graphics.IgtKms.kms_cursor_crc" checks if the cursor size is defined, and run the test with cursor size from 1x1 to 512x512. Please notice that the test conditions may change as IGT is updated. Reviewed-by: CK Hu Signed-off-by: Hsiao Chien Sung Reviewed-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 22 ++++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_drv.h | 4 ++++ 2 files changed, 26 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/media= tek/mtk_drm_drv.c index 8e047043202b..c9cad3a82737 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -294,6 +294,9 @@ static const struct mtk_mmsys_driver_data mt8188_vdosys= 0_driver_data =3D { .conn_routes =3D mt8188_mtk_ddp_main_routes, .num_conn_routes =3D ARRAY_SIZE(mt8188_mtk_ddp_main_routes), .mmsys_dev_num =3D 2, + .max_width =3D 8191, + .min_width =3D 1, + .min_height =3D 1, }; =20 static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data =3D { @@ -308,6 +311,9 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys= 0_driver_data =3D { .main_path =3D mt8195_mtk_ddp_main, .main_len =3D ARRAY_SIZE(mt8195_mtk_ddp_main), .mmsys_dev_num =3D 2, + .max_width =3D 8191, + .min_width =3D 1, + .min_height =3D 1, }; =20 static const struct mtk_mmsys_driver_data mt8195_vdosys1_driver_data =3D { @@ -315,6 +321,9 @@ static const struct mtk_mmsys_driver_data mt8195_vdosys= 1_driver_data =3D { .ext_len =3D ARRAY_SIZE(mt8195_mtk_ddp_ext), .mmsys_id =3D 1, .mmsys_dev_num =3D 2, + .max_width =3D 8191, + .min_width =3D 2, /* 2-pixel align when ethdr is bypassed */ + .min_height =3D 1, }; =20 static const struct of_device_id mtk_drm_of_ids[] =3D { @@ -493,6 +502,15 @@ static int mtk_drm_kms_init(struct drm_device *drm) for (j =3D 0; j < private->data->mmsys_dev_num; j++) { priv_n =3D private->all_drm_private[j]; =20 + if (priv_n->data->max_width) + drm->mode_config.max_width =3D priv_n->data->max_width; + + if (priv_n->data->min_width) + drm->mode_config.min_width =3D priv_n->data->min_width; + + if (priv_n->data->min_height) + drm->mode_config.min_height =3D priv_n->data->min_height; + if (i =3D=3D CRTC_MAIN && priv_n->data->main_len) { ret =3D mtk_crtc_create(drm, priv_n->data->main_path, priv_n->data->main_len, j, @@ -520,6 +538,10 @@ static int mtk_drm_kms_init(struct drm_device *drm) } } =20 + /* IGT will check if the cursor size is configured */ + drm->mode_config.cursor_width =3D drm->mode_config.max_width; + drm->mode_config.cursor_height =3D drm->mode_config.max_height; + /* Use OVL device for all DMA memory allocations */ crtc =3D drm_crtc_from_index(drm, 0); if (crtc) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/media= tek/mtk_drm_drv.h index 78d698ede1bf..6cfa790e8df5 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -46,6 +46,10 @@ struct mtk_mmsys_driver_data { bool shadow_register; unsigned int mmsys_id; unsigned int mmsys_dev_num; + + int max_width; + int min_width; + int min_height; }; =20 struct mtk_drm_private { --=20 2.18.0 From nobody Thu Sep 19 23:15:27 2024 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1CEFB13CF9C for ; Thu, 6 Jun 2024 09:26:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal: i=1; 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Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 06/16] drm/mediatek: Turn off the layers with zero width or height Date: Thu, 6 Jun 2024 17:26:25 +0800 Message-ID: <20240606092635.27981-7-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung We found that IGT (Intel GPU Tool) will try to commit layers with zero width or height and lead to undefined behaviors in hardware. Disable the layers in such a situation. Fixes: 777b7bc86a0a ("UPSTREAM: drm/mediatek: Add ovl_adaptor support for M= T8195") Fixes: fa97fe71f6f9 ("UPSTREAM: drm/mediatek: Add ETHDR support for MT8195") Reviewed-by: CK Hu Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 2 +- drivers/gpu/drm/mediatek/mtk_ethdr.c | 7 ++++++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/= drm/mediatek/mtk_disp_ovl_adaptor.c index 02dd7dcdfedb..2b62d6475918 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -158,7 +158,7 @@ void mtk_ovl_adaptor_layer_config(struct device *dev, u= nsigned int idx, merge =3D ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_MERGE0 + idx]; ethdr =3D ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]; =20 - if (!pending->enable) { + if (!pending->enable || !pending->width || !pending->height) { mtk_merge_stop_cmdq(merge, cmdq_pkt); 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Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 07/16] drm/mediatek: Support more 10bit formats in OVL Date: Thu, 6 Jun 2024 17:26:26 +0800 Message-ID: <20240606092635.27981-8-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Support more 10bit formats in OVL. Reviewed-by: CK Hu Signed-off-by: Hsiao Chien Sung Reviewed-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 32 ++++++++++++++++++++++--- 1 file changed, 29 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/medi= atek/mtk_disp_ovl.c index 862ab683ed1b..d970cdce06bc 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -71,6 +71,22 @@ #define OVL_CON_VIRT_FLIP BIT(9) #define OVL_CON_HORZ_FLIP BIT(10) =20 +static inline bool is_10bit_rgb(u32 fmt) +{ + switch (fmt) { + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_ARGB2101010: + case DRM_FORMAT_RGBX1010102: + case DRM_FORMAT_RGBA1010102: + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: + case DRM_FORMAT_BGRX1010102: + case DRM_FORMAT_BGRA1010102: + return true; + } + return false; +} + static const u32 mt8173_formats[] =3D { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, @@ -88,12 +104,18 @@ static const u32 mt8173_formats[] =3D { static const u32 mt8195_formats[] =3D { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XRGB2101010, DRM_FORMAT_ARGB2101010, DRM_FORMAT_BGRX8888, DRM_FORMAT_BGRA8888, + DRM_FORMAT_BGRX1010102, DRM_FORMAT_BGRA1010102, DRM_FORMAT_ABGR8888, DRM_FORMAT_XBGR8888, + DRM_FORMAT_XBGR2101010, + DRM_FORMAT_ABGR2101010, + DRM_FORMAT_RGBX1010102, + DRM_FORMAT_RGBA1010102, DRM_FORMAT_RGB888, DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, @@ -253,9 +275,7 @@ static void mtk_ovl_set_bit_depth(struct device *dev, i= nt idx, u32 format, reg =3D readl(ovl->regs + DISP_REG_OVL_CLRFMT_EXT); reg &=3D ~OVL_CON_CLRFMT_BIT_DEPTH_MASK(idx); =20 - if (format =3D=3D DRM_FORMAT_RGBA1010102 || - format =3D=3D DRM_FORMAT_BGRA1010102 || - format =3D=3D DRM_FORMAT_ARGB2101010) + if (is_10bit_rgb(format)) bit_depth =3D OVL_CON_CLRFMT_10_BIT; =20 reg |=3D OVL_CON_CLRFMT_BIT_DEPTH(bit_depth, idx); @@ -368,17 +388,23 @@ static unsigned int ovl_fmt_convert(struct mtk_disp_o= vl *ovl, unsigned int fmt) return OVL_CON_CLRFMT_RGB888(ovl) | OVL_CON_BYTE_SWAP; case DRM_FORMAT_RGBX8888: case DRM_FORMAT_RGBA8888: + case DRM_FORMAT_RGBX1010102: + case DRM_FORMAT_RGBA1010102: return OVL_CON_CLRFMT_ARGB8888; case DRM_FORMAT_BGRX8888: case DRM_FORMAT_BGRA8888: + case DRM_FORMAT_BGRX1010102: case DRM_FORMAT_BGRA1010102: return OVL_CON_CLRFMT_ARGB8888 | OVL_CON_BYTE_SWAP; case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_ARGB2101010: return OVL_CON_CLRFMT_RGBA8888; case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_ABGR2101010: return OVL_CON_CLRFMT_RGBA8888 | OVL_CON_BYTE_SWAP; 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Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 08/16] drm/mediatek: Support RGBA8888 and RGBX8888 in OVL on MT8195 Date: Thu, 6 Jun 2024 17:26:27 +0800 Message-ID: <20240606092635.27981-9-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Support RGBA8888 and RGBX8888 formats in OVL on MT8195. Signed-off-by: Hsiao Chien Sung Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/medi= atek/mtk_disp_ovl.c index d970cdce06bc..738244a6164e 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -114,6 +114,8 @@ static const u32 mt8195_formats[] =3D { DRM_FORMAT_XBGR8888, DRM_FORMAT_XBGR2101010, DRM_FORMAT_ABGR2101010, + DRM_FORMAT_RGBX8888, + DRM_FORMAT_RGBA8888, DRM_FORMAT_RGBX1010102, DRM_FORMAT_RGBA1010102, DRM_FORMAT_RGB888, --=20 2.18.0 From nobody Thu Sep 19 23:15:27 2024 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3BC3913CF9C for ; Thu, 6 Jun 2024 09:26:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666010; cv=none; b=QlnrLHY+cQmjr4y9krTE1SSq7gj02EZeNBSJBWc1i0tA2heQSKGPNgdRP7qYhr1T98z4fmXXJRzivWzkud6982zGzNcvMSgUqMtxbvyCCl2VAsBbmErqV6CofitlAm49jyqSUfdconNHK628fkyp5Jb8tZTNjAgvAiWT5FEA+Kg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666010; c=relaxed/simple; bh=VsoC3TOj0a7a/lJLBRItPDKwt0ecPj9PdJqnvqecgS0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=mI+nw70l5CbVRAQ71codwGI7lpK87/sYzs8EuDF6u+0anNOMyr0mh01vZflndDqjuJ2QoQBDTxJ0Ja+6jENX4G0ll36WWTxNmMFqMcMx/eeVeVR1o/blqJs3L2R36S+4X3KELmgTZwMKJ7jVorG8FQYmYcfp1NhJpEMtcFiIl30= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=eSQRTuys; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="eSQRTuys" X-UUID: e09fb7ae23e611efa54bbfbb386b949c-20240606 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=IYG8sTACi1sil6Kc88R4geVpX0U0sfptDuMXfXHnqPo=; b=eSQRTuysgTk/cb72ucW5Wxl3CkelCGV+UusobEboaT2w97y/eIXRy+waSutjuhfcqHRXpgFPyFelMzFpvn21/CE4MZzoEaTmI7OBWi5vUyUjMTWZUJJ+ltSRqpQP7kEBVSct8FiWBYYa2pPC9ELXsAnrAx8Bs3KQ/nzT/IttTQs=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.39,REQID:81c53716-8b8c-4671-a940-a3f58c65098a,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:393d96e,CLOUDID:9bb7b093-e2c0-40b0-a8fe-7c7e47299109,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: e09fb7ae23e611efa54bbfbb386b949c-20240606 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 201812198; Thu, 06 Jun 2024 17:26:38 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 6 Jun 2024 17:26:37 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 6 Jun 2024 17:26:37 +0800 From: Shawn Sung To: Chun-Kuang Hu CC: Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno , Bibby Hsieh , CK Hu , "Nancy . Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 09/16] drm/mediatek: Support "None" blending in OVL Date: Thu, 6 Jun 2024 17:26:28 +0800 Message-ID: <20240606092635.27981-10-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Support "None" alpha blending mode on MediaTek's chips. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/medi= atek/mtk_disp_ovl.c index 738244a6164e..54a6f11aa867 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -38,6 +38,7 @@ #define DISP_REG_OVL_PITCH_MSB(n) (0x0040 + 0x20 * (n)) #define OVL_PITCH_MSB_2ND_SUBBUF BIT(16) #define DISP_REG_OVL_PITCH(n) (0x0044 + 0x20 * (n)) +#define OVL_CONST_BLEND BIT(28) #define DISP_REG_OVL_RDMA_CTRL(n) (0x00c0 + 0x20 * (n)) #define DISP_REG_OVL_RDMA_GMC(n) (0x00c8 + 0x20 * (n)) #define DISP_REG_OVL_ADDR_MT2701 0x0040 @@ -428,6 +429,8 @@ void mtk_ovl_layer_config(struct device *dev, unsigned = int idx, unsigned int fmt =3D pending->format; unsigned int offset =3D (pending->y << 16) | pending->x; unsigned int src_size =3D (pending->height << 16) | pending->width; + unsigned int blend_mode =3D state->base.pixel_blend_mode; + unsigned int ignore_pixel_alpha =3D 0; unsigned int con; bool is_afbc =3D pending->modifier !=3D DRM_FORMAT_MOD_LINEAR; union overlay_pitch { @@ -449,6 +452,15 @@ void mtk_ovl_layer_config(struct device *dev, unsigned= int idx, if (state->base.fb && state->base.fb->format->has_alpha) con |=3D OVL_CON_AEN | OVL_CON_ALPHA; + /* CONST_BLD must be enabled for XRGB formats although the alpha channel + * can be ignored, or OVL will still read the value from memory. + * For RGB888 related formats, whether CONST_BLD is enabled or not won't + * affect the result. 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Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 10/16] drm/mediatek: Support "None" blending in Mixer Date: Thu, 6 Jun 2024 17:26:29 +0800 Message-ID: <20240606092635.27981-11-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--4.178300-8.000000 X-TMASE-MatchedRID: k8Xm6x9M5ErX3tqA7xZNm8ULzBBTAHAlG9Itfzsy8/XYgrGDwuFJdmb6 PphVtfZgK9fd5I6WBOthbsRjLV+pNp+BjDkC4XJTjtK7dC6UBnl+tO36GYDlsuO53bHtM9W3iVt eKAOd9rhnSqefas3A08pjK4dbPxs8HxPMjOKY7A+6vVBUUydJCsRB0bsfrpPI34T9cYMsdwz2cc BlyeQr709Ni2ZnJg4yhKZCUEesutcW467SPzkncbsa8xqwmNE/JGuGIRi8VgllxXdq19WFigJLo hiPn0jZHthFPWXoPp+Oh+wyNBrFXDJiNuKohDcKzKSG3JdyKAPqtV2AGMNPaiHWPYzouJUy X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--4.178300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 8933FFBED3013BF1EA093A6F42B7999F6BCC5E0B81E2D76F594F576377A332EC2000:8 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Support "None" alpha blending mode on MediaTek's chips. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_ethdr.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c b/drivers/gpu/drm/mediate= k/mtk_ethdr.c index 4ffd0a064861..bcced62e455d 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c @@ -3,6 +3,7 @@ * Copyright (c) 2021 MediaTek Inc. */ +#include #include #include #include @@ -154,6 +155,7 @@ void mtk_ethdr_layer_config(struct device *dev, unsigne= d int idx, unsigned int offset =3D (pending->x & 1) << 31 | pending->y << 16 | pendi= ng->x; unsigned int align_width =3D ALIGN_DOWN(pending->width, 2); unsigned int alpha_con =3D 0; + bool replace_src_a =3D false; dev_dbg(dev, "%s+ idx:%d", __func__, idx); @@ -173,8 +175,16 @@ void mtk_ethdr_layer_config(struct device *dev, unsign= ed int idx, if (state->base.fb && state->base.fb->format->has_alpha) alpha_con =3D MIXER_ALPHA_AEN | MIXER_ALPHA; - mtk_mmsys_mixer_in_config(priv->mmsys_dev, idx + 1, alpha_con ? false : t= rue, - DEFAULT_9BIT_ALPHA, + if (state->base.pixel_blend_mode =3D=3D DRM_MODE_BLEND_PIXEL_NONE || + (state->base.fb && !state->base.fb->format->has_alpha)) { + /* + * Mixer doesn't support CONST_BLD mode, + * use a trick to make the output equivalent + */ + replace_src_a =3D true; + } + + mtk_mmsys_mixer_in_config(priv->mmsys_dev, idx + 1, replace_src_a, MIXER_= ALPHA, pending->x & 1 ? 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Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 11/16] drm/mediatek: Support "Pre-multiplied" blending in OVL Date: Thu, 6 Jun 2024 17:26:30 +0800 Message-ID: <20240606092635.27981-12-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Support "Pre-multiplied" alpha blending mode on in OVL. Before this patch, only the "coverage" mode is supported. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 40 +++++++++++++++++++++---- 1 file changed, 34 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/medi= atek/mtk_disp_ovl.c index 54a6f11aa867..de1633988921 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -52,13 +52,16 @@ #define GMC_THRESHOLD_HIGH ((1 << GMC_THRESHOLD_BITS) / 4) #define GMC_THRESHOLD_LOW ((1 << GMC_THRESHOLD_BITS) / 8) =20 +#define OVL_CON_CLRFMT_MAN BIT(23) #define OVL_CON_BYTE_SWAP BIT(24) -#define OVL_CON_MTX_YUV_TO_RGB (6 << 16) +#define OVL_CON_RGB_SWAP BIT(25) #define OVL_CON_CLRFMT_RGB (1 << 12) #define OVL_CON_CLRFMT_RGBA8888 (2 << 12) #define OVL_CON_CLRFMT_ARGB8888 (3 << 12) #define OVL_CON_CLRFMT_UYVY (4 << 12) #define OVL_CON_CLRFMT_YUYV (5 << 12) +#define OVL_CON_MTX_YUV_TO_RGB (6 << 16) +#define OVL_CON_CLRFMT_PARGB8888 (OVL_CON_CLRFMT_ARGB8888 | OVL_CON_CLRFMT= _MAN) #define OVL_CON_CLRFMT_RGB565(ovl) ((ovl)->data->fmt_rgb565_is_0 ? \ 0 : OVL_CON_CLRFMT_RGB) #define OVL_CON_CLRFMT_RGB888(ovl) ((ovl)->data->fmt_rgb565_is_0 ? \ @@ -72,6 +75,8 @@ #define OVL_CON_VIRT_FLIP BIT(9) #define OVL_CON_HORZ_FLIP BIT(10) =20 +#define OVL_COLOR_ALPHA GENMASK(31, 24) + static inline bool is_10bit_rgb(u32 fmt) { switch (fmt) { @@ -296,7 +301,13 @@ void mtk_ovl_config(struct device *dev, unsigned int w, if (w !=3D 0 && h !=3D 0) mtk_ddp_write_relaxed(cmdq_pkt, h << 16 | w, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_ROI_SIZE); - mtk_ddp_write_relaxed(cmdq_pkt, 0x0, &ovl->cmdq_reg, ovl->regs, DISP_REG_= OVL_ROI_BGCLR); + + /* + * The background color must be opaque black (ARGB), + * otherwise the alpha blending will have no effect + */ + mtk_ddp_write_relaxed(cmdq_pkt, OVL_COLOR_ALPHA, &ovl->cmdq_reg, + ovl->regs, DISP_REG_OVL_ROI_BGCLR); =20 mtk_ddp_write(cmdq_pkt, 0x1, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_RST); mtk_ddp_write(cmdq_pkt, 0x0, &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_RST); @@ -372,7 +383,8 @@ void mtk_ovl_layer_off(struct device *dev, unsigned int= idx, DISP_REG_OVL_RDMA_CTRL(idx)); } =20 -static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int= fmt) +static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int= fmt, + unsigned int blend_mode) { /* The return value in switch "MEM_MODE_INPUT_FORMAT_XXX" * is defined in mediatek HW data sheet. @@ -391,21 +403,35 @@ static unsigned int ovl_fmt_convert(struct mtk_disp_o= vl *ovl, unsigned int fmt) return OVL_CON_CLRFMT_RGB888(ovl) | OVL_CON_BYTE_SWAP; case DRM_FORMAT_RGBX8888: case DRM_FORMAT_RGBA8888: + return blend_mode =3D=3D DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_ARGB8888 : + OVL_CON_CLRFMT_PARGB8888; case DRM_FORMAT_RGBX1010102: case DRM_FORMAT_RGBA1010102: return OVL_CON_CLRFMT_ARGB8888; case DRM_FORMAT_BGRX8888: case DRM_FORMAT_BGRA8888: + return OVL_CON_BYTE_SWAP | + (blend_mode =3D=3D DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_ARGB8888 : + OVL_CON_CLRFMT_PARGB8888); case DRM_FORMAT_BGRX1010102: case DRM_FORMAT_BGRA1010102: return OVL_CON_CLRFMT_ARGB8888 | OVL_CON_BYTE_SWAP; case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: + return blend_mode =3D=3D DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_RGBA8888 : + OVL_CON_CLRFMT_PARGB8888; case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_ARGB2101010: return OVL_CON_CLRFMT_RGBA8888; case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ABGR8888: + return OVL_CON_RGB_SWAP | + (blend_mode =3D=3D DRM_MODE_BLEND_COVERAGE ? + OVL_CON_CLRFMT_RGBA8888 : + OVL_CON_CLRFMT_PARGB8888); case DRM_FORMAT_XBGR2101010: case DRM_FORMAT_ABGR2101010: return OVL_CON_CLRFMT_RGBA8888 | OVL_CON_BYTE_SWAP; @@ -448,9 +474,11 @@ void mtk_ovl_layer_config(struct device *dev, unsigned= int idx, return; } =20 - con =3D ovl_fmt_convert(ovl, fmt); - if (state->base.fb && state->base.fb->format->has_alpha) - con |=3D OVL_CON_AEN | OVL_CON_ALPHA; + con =3D ovl_fmt_convert(ovl, fmt, blend_mode); + if (state->base.fb) { + con |=3D OVL_CON_AEN; + con |=3D state->base.alpha & OVL_CON_ALPHA; + } =20 /* CONST_BLD must be enabled for XRGB formats although the alpha channel * can be ignored, or OVL will still read the value from memory. --=20 2.18.0 From nobody Thu Sep 19 23:15:27 2024 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3F67B149DE8 for ; Thu, 6 Jun 2024 09:26:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; 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Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 12/16] drm/mediatek: Support "Pre-multiplied" blending in Mixer Date: Thu, 6 Jun 2024 17:26:31 +0800 Message-ID: <20240606092635.27981-13-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Support "Pre-multiplied" alpha blending mode in Mixer. Before this patch, only the coverage mode is supported. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_ethdr.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c b/drivers/gpu/drm/mediate= k/mtk_ethdr.c index bcced62e455d..d01f65819816 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -36,6 +37,7 @@ #define MIX_SRC_L0_EN BIT(0) #define MIX_L_SRC_CON(n) (0x28 + 0x18 * (n)) #define NON_PREMULTI_SOURCE (2 << 12) +#define PREMULTI_SOURCE (3 << 12) #define MIX_L_SRC_SIZE(n) (0x30 + 0x18 * (n)) #define MIX_L_SRC_OFFSET(n) (0x34 + 0x18 * (n)) #define MIX_FUNC_DCM0 0x120 @@ -172,8 +174,12 @@ void mtk_ethdr_layer_config(struct device *dev, unsign= ed int idx, return; } =20 - if (state->base.fb && state->base.fb->format->has_alpha) - alpha_con =3D MIXER_ALPHA_AEN | MIXER_ALPHA; + alpha_con |=3D MIXER_ALPHA_AEN | (state->base.alpha & MIXER_ALPHA); + + if (state->base.pixel_blend_mode !=3D DRM_MODE_BLEND_COVERAGE) + alpha_con |=3D PREMULTI_SOURCE; + else + alpha_con |=3D NON_PREMULTI_SOURCE; =20 if (state->base.pixel_blend_mode =3D=3D DRM_MODE_BLEND_PIXEL_NONE || (state->base.fb && !state->base.fb->format->has_alpha)) { @@ -191,8 +197,7 @@ void mtk_ethdr_layer_config(struct device *dev, unsigne= d int idx, mtk_ddp_write(cmdq_pkt, pending->height << 16 | align_width, &mixer->cmdq= _base, mixer->regs, MIX_L_SRC_SIZE(idx)); mtk_ddp_write(cmdq_pkt, offset, &mixer->cmdq_base, mixer->regs, MIX_L_SRC= _OFFSET(idx)); - mtk_ddp_write_mask(cmdq_pkt, alpha_con, &mixer->cmdq_base, mixer->regs, M= IX_L_SRC_CON(idx), - 0x1ff); + mtk_ddp_write(cmdq_pkt, alpha_con, &mixer->cmdq_base, mixer->regs, MIX_L_= SRC_CON(idx)); mtk_ddp_write_mask(cmdq_pkt, BIT(idx), &mixer->cmdq_base, mixer->regs, MI= X_SRC_CON, BIT(idx)); } --=20 2.18.0 From nobody Thu Sep 19 23:15:27 2024 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1BD1315278B for ; 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Thu, 06 Jun 2024 17:26:38 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 6 Jun 2024 17:26:38 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 6 Jun 2024 17:26:38 +0800 From: Shawn Sung To: Chun-Kuang Hu CC: Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno , Bibby Hsieh , CK Hu , "Nancy . Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 13/16] drm/mediatek: Support alpha blending in display driver Date: Thu, 6 Jun 2024 17:26:32 +0800 Message-ID: <20240606092635.27981-14-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Support "Pre-multiplied" and "None" blend mode on MediaTek's chips by adding correct blend mode property when the planes init. Before this patch, only the "Coverage" mode (default) is supported. For more information, there are three pixel blend modes in DRM driver: "None", "Pre-multiplied", and "Coverage". To understand the difference between these modes, let's take a look at the following two approaches to do alpha blending: 1. Straight: dst.RGB =3D src.RGB * src.A + dst.RGB * (1 - src.A) This is straightforward and easy to understand, when the source layer is compositing with the destination layer, it's alpha will affect the result. This is also known as "post-multiplied", or "Coverage" mode. 2. Pre-multiplied: dst.RGB =3D src.RGB + dst.RGB * (1 - src.A) Since the source RGB have already multiplied its alpha, only destination RGB need to multiply it. This is the "Pre-multiplied" mode in DRM. For the "None" blend mode in DRM, it means the pixel alpha is ignored when compositing the layers, only the constant alpha for the composited layer will take effects. Reviewed-by: CK Hu Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_plane.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_plane.c b/drivers/gpu/drm/mediate= k/mtk_plane.c index 1723d4333f37..5bf757a3ef20 100644 --- a/drivers/gpu/drm/mediatek/mtk_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_plane.c @@ -346,6 +346,17 @@ int mtk_plane_init(struct drm_device *dev, struct drm_= plane *plane, DRM_INFO("Create rotation property failed\n"); } =20 + err =3D drm_plane_create_alpha_property(plane); + if (err) + DRM_ERROR("failed to create property: alpha\n"); + + err =3D drm_plane_create_blend_mode_property(plane, + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE) | + BIT(DRM_MODE_BLEND_PIXEL_NONE)); + if (err) + DRM_ERROR("failed to create property: blend_mode\n"); + drm_plane_helper_add(plane, &mtk_plane_helper_funcs); =20 return 0; --=20 2.18.0 From nobody Thu Sep 19 23:15:27 2024 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BDF1A152182 for ; Thu, 6 Jun 2024 09:26:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666010; cv=none; b=VISMVtCsGU7zrSh7wHiCNKI5bwq+UEnUEnF1VYNZ78gTqTgNQARfYmkfNjWdiln1QWtX0cCA1vH8j8zpLl7WIL1kDH6XbK0Itvg7HGWoz/9nEF1vLPaVQ+zkEtg1LJKsi1/fg6/pWjDzBa+IikJtqIeKbl73pHzYvlmZIyfyQvU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717666010; c=relaxed/simple; bh=Kn+tSxOHUTFBsNa1X7oqf/jb4yDZVzWbRFCiGBIOdnY=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=nBX0hmCbrNIeiGxu0f9wo5/ulqS9Rsiw8msIjZcScXwXhx6orBlOYcX9OBzsINSC7kxbDGvgh2ZP0oN2HF8qNPkPT08JI/Pb4OpH9LxxyioyZ1UHosaYgWDBeUL6vbOJdFDT9VaYCzwdOL6Sf4CUDG36T1zkc+RjC9JflsWs/0Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=uqL0xRlf; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="uqL0xRlf" X-UUID: e0a2895c23e611efa54bbfbb386b949c-20240606 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=i6SffNcQ8a7ESFIG0XfYMQtC09JDIF02sbbH76a1ez0=; b=uqL0xRlfoy/lPGdWMF4Nbd/oUgGc4OXcKMs5fzscx2ZVbckMndNlnHslW8CPTcwCoxuYZ5qWZgsIVYKKbd68l7TIe++YPKxLo72eOQZpBY89UIvxUAcT9kVZ4g14+ntRUqXo21LYRbq/Y9OceFnrgFHWwbBxghE6aoNtVZWg+Cg=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.39,REQID:59c26be6-cc73-4ce7-93aa-c1e6e0494b11,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:393d96e,CLOUDID:5d3b4744-4544-4d06-b2b2-d7e12813c598,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES :1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: e0a2895c23e611efa54bbfbb386b949c-20240606 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1769797931; Thu, 06 Jun 2024 17:26:38 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 6 Jun 2024 17:26:38 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 6 Jun 2024 17:26:38 +0800 From: Shawn Sung To: Chun-Kuang Hu CC: Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno , Bibby Hsieh , CK Hu , "Nancy . Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 14/16] drm/mediatek: Support CRC in display driver Date: Thu, 6 Jun 2024 17:26:33 +0800 Message-ID: <20240606092635.27981-15-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung Register CRC related function pointers to support CRC retrieval. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_crtc.c | 280 ++++++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_crtc.h | 38 ++++ drivers/gpu/drm/mediatek/mtk_ddp_comp.h | 5 + 3 files changed, 323 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_crtc.c b/drivers/gpu/drm/mediatek= /mtk_crtc.c index 6f34f573e127..be7cf61b9f9b 100644 --- a/drivers/gpu/drm/mediatek/mtk_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_crtc.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "mtk_crtc.h" #include "mtk_ddp_comp.h" @@ -69,6 +70,9 @@ struct mtk_crtc { /* lock for display hardware access */ struct mutex hw_lock; bool config_updating; + + struct mtk_ddp_comp *crc_provider; + struct drm_vblank_work crc_work; }; struct mtk_crtc_state { @@ -703,6 +707,88 @@ static void mtk_crtc_update_output(struct drm_crtc *cr= tc, } } +static void mtk_crtc_crc_work(struct kthread_work *base) +{ + struct drm_vblank_work *work =3D to_drm_vblank_work(base); + struct mtk_crtc *mtk_crtc =3D + container_of(work, typeof(*mtk_crtc), crc_work); + struct mtk_ddp_comp *comp =3D mtk_crtc->crc_provider; + + if (!comp) { + DRM_WARN("%s(crtc-%d): no crc provider\n", + __func__, drm_crtc_index(&mtk_crtc->base)); + return; + } + + if (mtk_crtc->base.crc.opened) { + u64 vblank =3D drm_crtc_vblank_count(&mtk_crtc->base); + + comp->funcs->crc_read(comp->dev); + + /* could take more than 50ms to finish */ + drm_crtc_add_crc_entry(&mtk_crtc->base, true, vblank, + comp->funcs->crc_entry(comp->dev)); + + drm_vblank_work_schedule(&mtk_crtc->crc_work, vblank + 1, true); + } else { + comp->funcs->crc_stop(comp->dev); + } +} + +static int mtk_crtc_set_crc_source(struct drm_crtc *crtc, const char *src) +{ + struct mtk_crtc *mtk_crtc =3D to_mtk_crtc(crtc); + struct mtk_ddp_comp *comp =3D mtk_crtc->crc_provider; + + if (!comp) { + DRM_ERROR("%s(crtc-%d): no crc provider\n", + __func__, drm_crtc_index(crtc)); + return -ENOENT; + } + + if (!src) + return -EINVAL; + + if (strcmp(src, "auto") !=3D 0) { + DRM_ERROR("%s(crtc-%d): unknown source '%s'\n", + __func__, drm_crtc_index(crtc), src); + return -EINVAL; + } + + comp->funcs->crc_start(comp->dev); + + /* + * skip the first crc because the first frame (vblank + 1) is configured + * by mtk_crtc_ddp_hw_init() when atomic enable + */ + drm_vblank_work_schedule(&mtk_crtc->crc_work, + drm_crtc_vblank_count(crtc) + 2, false); + return 0; +} + +static int mtk_crtc_verify_crc_source(struct drm_crtc *crtc, const char *s= rc, + size_t *cnt) +{ + struct mtk_crtc *mtk_crtc =3D to_mtk_crtc(crtc); + struct mtk_ddp_comp *comp =3D mtk_crtc->crc_provider; + + if (!comp) { + DRM_ERROR("%s(crtc-%d): no crc provider\n", + __func__, drm_crtc_index(crtc)); + return -ENOENT; + } + + if (src && strcmp(src, "auto") !=3D 0) { + DRM_ERROR("%s(crtc-%d): unknown source '%s'\n", + __func__, drm_crtc_index(crtc), src); + return -EINVAL; + } + + *cnt =3D comp->funcs->crc_cnt(comp->dev); + + return 0; +} + int mtk_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane, struct mtk_plane_state *state) { @@ -751,6 +837,8 @@ static void mtk_crtc_atomic_enable(struct drm_crtc *crt= c, drm_crtc_vblank_on(crtc); mtk_crtc->enabled =3D true; + + drm_vblank_work_init(&mtk_crtc->crc_work, crtc, mtk_crtc_crc_work); } static void mtk_crtc_atomic_disable(struct drm_crtc *crtc, @@ -840,6 +928,8 @@ static const struct drm_crtc_funcs mtk_crtc_funcs =3D { .atomic_destroy_state =3D mtk_crtc_destroy_state, .enable_vblank =3D mtk_crtc_enable_vblank, .disable_vblank =3D mtk_crtc_disable_vblank, + .set_crc_source =3D mtk_crtc_set_crc_source, + .verify_crc_source =3D mtk_crtc_verify_crc_source, }; static const struct drm_crtc_helper_funcs mtk_crtc_helper_funcs =3D { @@ -1033,6 +1123,13 @@ int mtk_crtc_create(struct drm_device *drm_dev, cons= t unsigned int *path, if (comp->funcs->ctm_set) has_ctm =3D true; + + if (comp->funcs->crc_cnt && + comp->funcs->crc_entry && + comp->funcs->crc_read && + comp->funcs->crc_start && + comp->funcs->crc_stop) + mtk_crtc->crc_provider =3D comp; } mtk_ddp_comp_register_vblank_cb(comp, mtk_crtc_ddp_irq, @@ -1136,3 +1233,186 @@ int mtk_crtc_create(struct drm_device *drm_dev, con= st unsigned int *path, return 0; } + +void mtk_crtc_init_crc(struct mtk_crtc_crc *crc, const u32 *crc_offset_tab= le, + size_t crc_count, u32 reset_offset, u32 reset_mask) +{ + crc->ofs =3D crc_offset_table; + crc->cnt =3D crc_count; + crc->rst_ofs =3D reset_offset; + crc->rst_msk =3D reset_mask; + crc->va =3D kcalloc(crc->cnt, sizeof(*crc->va), GFP_KERNEL); + if (!crc->va) { + DRM_ERROR("failed to allocate memory for crc\n"); + crc->cnt =3D 0; + } +} + +void mtk_crtc_read_crc(struct mtk_crtc_crc *crc, void __iomem *reg) +{ + if (!crc->cnt || !crc->ofs || !crc->va) + return; + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + /* sync to see the most up-to-date copy of the DMA buffer */ + dma_sync_single_for_cpu(crc->cmdq_client.chan->mbox->dev, + crc->pa, crc->cnt * sizeof(*crc->va), + DMA_FROM_DEVICE); +#endif +} + +void mtk_crtc_destroy_crc(struct mtk_crtc_crc *crc) +{ + if (!crc->cnt) + return; + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + if (crc->pa) { + dma_unmap_single(crc->cmdq_client.chan->mbox->dev, + crc->pa, crc->cnt * sizeof(*crc->va), + DMA_TO_DEVICE); + crc->pa =3D 0; + } + if (crc->cmdq_client.chan) { + mtk_drm_cmdq_pkt_destroy(&crc->cmdq_handle); + mbox_free_channel(crc->cmdq_client.chan); + crc->cmdq_client.chan =3D NULL; + } +#endif + kfree(crc->va); + crc->va =3D NULL; + crc->cnt =3D 0; +} + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) +/** + * mtk_crtc_create_crc_cmdq - Create a CMDQ thread for syncing the CRCs + * @dev: Kernel device node of the CRC provider + * @crc: Pointer of the CRC to init + * + * This function will create a looping thread on GCE (Global Command Engin= e) to + * keep the CRC up to date by monitoring the assigned event (usually the f= rame + * done event) of the CRC provider, and read the CRCs from the registers t= o a + * shared memory for the workqueue to read. To start/stop the looping thre= ad, + * please call `mtk_crtc_start_crc_cmdq()` and `mtk_crtc_stop_crc_cmdq()` + * defined blow. + * + * The reason why we don't update the CRCs with CPU is that the front porc= h of + * 4K60 timing in CEA-861 is less than 60us, and register read/write speed= is + * relatively unreliable comparing to GCE due to the bus design. + * + * We must create a new thread instead of using the original one for plane + * update is because: + * 1. We cannot add another wait-for-event command at the end of cmdq pack= et, or + * the cmdq callback will delay for too long + * 2. Will get the CRC of the previous frame if using the existed wait-for= -event + * command which is at the beginning of the packet + */ +void mtk_crtc_create_crc_cmdq(struct device *dev, struct mtk_crtc_crc *crc) +{ + int i; + + if (!crc->cnt) { + dev_warn(dev, "%s: not support\n", __func__); + goto cleanup; + } + + if (!crc->ofs) { + dev_warn(dev, "%s: not defined\n", __func__); + goto cleanup; + } + + crc->cmdq_client.client.dev =3D dev; + crc->cmdq_client.client.tx_block =3D false; + crc->cmdq_client.client.knows_txdone =3D true; + crc->cmdq_client.client.rx_callback =3D NULL; + crc->cmdq_client.chan =3D mbox_request_channel(&crc->cmdq_client.client, = 0); + if (IS_ERR(crc->cmdq_client.chan)) { + dev_warn(dev, "%s: failed to create mailbox client\n", __func__); + crc->cmdq_client.chan =3D NULL; + goto cleanup; + } + + if (mtk_drm_cmdq_pkt_create(&crc->cmdq_client, &crc->cmdq_handle, PAGE_SI= ZE)) { + dev_warn(dev, "%s: failed to create cmdq packet\n", __func__); + goto cleanup; + } + + if (!crc->va) { + dev_warn(dev, "%s: no memory\n", __func__); + goto cleanup; + } + + /* map the entry to get a dma address for cmdq to store the crc */ + crc->pa =3D dma_map_single(crc->cmdq_client.chan->mbox->dev, + crc->va, crc->cnt * sizeof(*crc->va), + DMA_FROM_DEVICE); + + if (dma_mapping_error(crc->cmdq_client.chan->mbox->dev, crc->pa)) { + dev_err(dev, "%s: failed to map dma\n", __func__); + goto cleanup; + } + + if (crc->cmdq_event) + cmdq_pkt_wfe(&crc->cmdq_handle, crc->cmdq_event, true); + + for (i =3D 0; i < crc->cnt; i++) { + /* put crc to spr1 register */ + cmdq_pkt_read_s(&crc->cmdq_handle, crc->cmdq_reg->subsys, + crc->cmdq_reg->offset + crc->ofs[i], + CMDQ_THR_SPR_IDX1); + + /* copy spr1 register to physical address of the crc */ + cmdq_pkt_assign(&crc->cmdq_handle, CMDQ_THR_SPR_IDX0, + CMDQ_ADDR_HIGH(crc->pa + i * sizeof(*crc->va))); + cmdq_pkt_write_s(&crc->cmdq_handle, CMDQ_THR_SPR_IDX0, + CMDQ_ADDR_LOW(crc->pa + i * sizeof(*crc->va)), + CMDQ_THR_SPR_IDX1); + } + /* reset crc */ + mtk_ddp_write_mask(&crc->cmdq_handle, ~0, crc->cmdq_reg, 0, + crc->rst_ofs, crc->rst_msk); + + /* clear reset bit */ + mtk_ddp_write_mask(&crc->cmdq_handle, 0, crc->cmdq_reg, 0, + crc->rst_ofs, crc->rst_msk); + + /* jump to head of the cmdq packet */ + cmdq_pkt_jump_abs(&crc->cmdq_handle, crc->cmdq_handle.pa_base, + cmdq_get_shift_pa(crc->cmdq_client.chan)); + + return; +cleanup: + mtk_crtc_destroy_crc(crc); +} + +/** + * mtk_crtc_start_crc_cmdq - Start the GCE looping thread for CRC update + * @crc: Pointer of the CRC information + */ +void mtk_crtc_start_crc_cmdq(struct mtk_crtc_crc *crc) +{ + if (!crc->cmdq_client.chan) + return; + + dma_sync_single_for_device(crc->cmdq_client.chan->mbox->dev, + crc->cmdq_handle.pa_base, + crc->cmdq_handle.cmd_buf_size, + DMA_TO_DEVICE); + mbox_send_message(crc->cmdq_client.chan, &crc->cmdq_handle); + mbox_client_txdone(crc->cmdq_client.chan, 0); +} + +/** + * mtk_crtc_stop_crc_cmdq - Stop the GCE looping thread for CRC update + * @crc: Pointer of the CRC information + */ +void mtk_crtc_stop_crc_cmdq(struct mtk_crtc_crc *crc) +{ + if (!crc->cmdq_client.chan) + return; + + /* remove all the commands from the cmdq packet */ + mbox_flush(crc->cmdq_client.chan, 2000); +} +#endif diff --git a/drivers/gpu/drm/mediatek/mtk_crtc.h b/drivers/gpu/drm/mediatek= /mtk_crtc.h index 388e900b6f4d..a79c4611754e 100644 --- a/drivers/gpu/drm/mediatek/mtk_crtc.h +++ b/drivers/gpu/drm/mediatek/mtk_crtc.h @@ -14,6 +14,34 @@ #define MTK_MAX_BPC 10 #define MTK_MIN_BPC 3 +/** + * struct mtk_crtc_crc - crc related information + * @ofs: register offset of crc + * @rst_ofs: register offset of crc reset + * @rst_msk: register mask of crc reset + * @cnt: count of crc + * @va: pointer to the start of crc array + * @pa: physical address of the crc for gce to access + * @cmdq_event: the event to trigger the cmdq + * @cmdq_reg: address of the register that cmdq is going to access + * @cmdq_client: handler to control cmdq (mbox channel, thread ...etc.) + * @cmdq_handle: cmdq packet to store the commands + */ +struct mtk_crtc_crc { + const u32 *ofs; + u32 rst_ofs; + u32 rst_msk; + size_t cnt; + u32 *va; +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + dma_addr_t pa; + u32 cmdq_event; + struct cmdq_client_reg *cmdq_reg; + struct cmdq_client cmdq_client; + struct cmdq_pkt cmdq_handle; +#endif +}; + void mtk_crtc_commit(struct drm_crtc *crtc); int mtk_crtc_create(struct drm_device *drm_dev, const unsigned int *path, unsigned int path_len, int priv_data_index, @@ -25,4 +53,14 @@ void mtk_crtc_async_update(struct drm_crtc *crtc, struct= drm_plane *plane, struct drm_atomic_state *plane_state); struct device *mtk_crtc_dma_dev_get(struct drm_crtc *crtc); +void mtk_crtc_init_crc(struct mtk_crtc_crc *crc, const u32 *crc_offset_tab= le, + size_t crc_count, u32 reset_offset, u32 reset_mask); +void mtk_crtc_read_crc(struct mtk_crtc_crc *crc, void __iomem *reg); +void mtk_crtc_destroy_crc(struct mtk_crtc_crc *crc); +#if IS_REACHABLE(CONFIG_MTK_CMDQ) +void mtk_crtc_create_crc_cmdq(struct device *dev, struct mtk_crtc_crc *crc= ); +void mtk_crtc_start_crc_cmdq(struct mtk_crtc_crc *crc); +void mtk_crtc_stop_crc_cmdq(struct mtk_crtc_crc *crc); +#endif + #endif /* MTK_CRTC_H */ diff --git a/drivers/gpu/drm/mediatek/mtk_ddp_comp.h b/drivers/gpu/drm/medi= atek/mtk_ddp_comp.h index f7fe2e08dc8e..b220a672d182 100644 --- a/drivers/gpu/drm/mediatek/mtk_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_ddp_comp.h @@ -88,6 +88,11 @@ struct mtk_ddp_comp_funcs { void (*remove)(struct device *dev, struct mtk_mutex *mutex); unsigned int (*encoder_index)(struct device *dev); enum drm_mode_status (*mode_valid)(struct device *dev, const struct drm_d= isplay_mode *mode); + size_t (*crc_cnt)(struct device *dev); + u32 *(*crc_entry)(struct device *dev); + void (*crc_read)(struct device *dev); + void (*crc_start)(struct device *dev); + void (*crc_stop)(struct device *dev); }; struct mtk_ddp_comp { -- 2.18.0 From nobody Thu Sep 19 23:15:27 2024 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 142FE143752 for ; 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Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 15/16] drm/mediatek: Support CRC in OVL Date: Thu, 6 Jun 2024 17:26:34 +0800 Message-ID: <20240606092635.27981-16-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung We choose OVL as the CRC generator from other hardware components that are also capable of calculating CRCs, since its frame done event triggers vblanks, it can be used as a signal to know when is safe to retrieve CRC of the frame. Please note that position of the hardware component that is chosen as CRC generator in the display path is significant. For example, while OVL is the first module in VDOSYS0, its CRC won't be affected by the modules after it, which means effects applied by PQ, Gamma, Dither or any other components after OVL won't be calculated in CRC generation. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_ddp_comp.c | 5 + drivers/gpu/drm/mediatek/mtk_disp_drv.h | 5 + drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 209 ++++++++++++++++++++++-- 3 files changed, 209 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_ddp_comp.c b/drivers/gpu/drm/medi= atek/mtk_ddp_comp.c index 17b036411292..07c3b5c5e14e 100644 --- a/drivers/gpu/drm/mediatek/mtk_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_ddp_comp.c @@ -351,6 +351,11 @@ static const struct mtk_ddp_comp_funcs ddp_ovl =3D { .clk_enable =3D mtk_ovl_clk_enable, .clk_disable =3D mtk_ovl_clk_disable, .config =3D mtk_ovl_config, + .crc_cnt =3D mtk_ovl_crc_cnt, + .crc_entry =3D mtk_ovl_crc_entry, + .crc_read =3D mtk_ovl_crc_read, + .crc_start =3D mtk_ovl_crc_start, + .crc_stop =3D mtk_ovl_crc_stop, .start =3D mtk_ovl_start, .stop =3D mtk_ovl_stop, .register_vblank_cb =3D mtk_ovl_register_vblank_cb, diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/medi= atek/mtk_disp_drv.h index 082ac18fe04a..a03d7a10847a 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -105,6 +105,11 @@ void mtk_ovl_enable_vblank(struct device *dev); void mtk_ovl_disable_vblank(struct device *dev); const u32 *mtk_ovl_get_formats(struct device *dev); size_t mtk_ovl_get_num_formats(struct device *dev); +size_t mtk_ovl_crc_cnt(struct device *dev); +u32 *mtk_ovl_crc_entry(struct device *dev); +void mtk_ovl_crc_read(struct device *dev); +void mtk_ovl_crc_start(struct device *dev); +void mtk_ovl_crc_stop(struct device *dev); =20 void mtk_ovl_adaptor_add_comp(struct device *dev, struct mtk_mutex *mutex); void mtk_ovl_adaptor_remove_comp(struct device *dev, struct mtk_mutex *mut= ex); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/medi= atek/mtk_disp_ovl.c index de1633988921..d77b25c528ea 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -24,12 +24,20 @@ #define OVL_FME_CPL_INT BIT(1) #define DISP_REG_OVL_INTSTA 0x0008 #define DISP_REG_OVL_EN 0x000c +#define OVL_EN BIT(0) +#define OVL_OP_8BIT_MODE BIT(4) +#define OVL_HG_FOVL_CK_ON BIT(8) +#define OVL_HF_FOVL_CK_ON BIT(10) +#define DISP_REG_OVL_TRIG 0x0010 +#define OVL_CRC_EN BIT(8) +#define OVL_CRC_CLR BIT(9) #define DISP_REG_OVL_RST 0x0014 #define DISP_REG_OVL_ROI_SIZE 0x0020 #define DISP_REG_OVL_DATAPATH_CON 0x0024 #define OVL_LAYER_SMI_ID_EN BIT(0) #define OVL_BGCLR_SEL_IN BIT(2) #define OVL_LAYER_AFBC_EN(n) BIT(4+n) +#define OVL_OUTPUT_CLAMP BIT(26) #define DISP_REG_OVL_ROI_BGCLR 0x0028 #define DISP_REG_OVL_SRC_CON 0x002c #define DISP_REG_OVL_CON(n) (0x0030 + 0x20 * (n)) @@ -42,7 +50,26 @@ #define DISP_REG_OVL_RDMA_CTRL(n) (0x00c0 + 0x20 * (n)) #define DISP_REG_OVL_RDMA_GMC(n) (0x00c8 + 0x20 * (n)) #define DISP_REG_OVL_ADDR_MT2701 0x0040 +#define DISP_REG_OVL_CRC 0x0270 +#define OVL_CRC_OUT_MASK GENMASK(30, 0) #define DISP_REG_OVL_CLRFMT_EXT 0x02D0 +#define DISP_REG_OVL_CLRFMT_EXT1 0x02D8 +#define OVL_CLRFMT_EXT1_CSC_EN(n) (1 << (((n) * 4) + 1)) +#define DISP_REG_OVL_Y2R_PARA_R0(n) (0x0134 + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_RMY (GENMASK(14, 0)) +#define DISP_REG_OVL_Y2R_PARA_G0(n) (0x013c + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_GMU (GENMASK(30, 16)) +#define DISP_REG_OVL_Y2R_PARA_B1(n) (0x0148 + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_BMV (GENMASK(14, 0)) +#define DISP_REG_OVL_Y2R_PARA_YUV_A_0(n) (0x014c + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_YA (GENMASK(10, 0)) +#define OVL_Y2R_PARA_C_CF_UA (GENMASK(26, 16)) +#define DISP_REG_OVL_Y2R_PARA_YUV_A_1(n) (0x0150 + 0x28 * (n)) +#define OVL_Y2R_PARA_C_CF_VA (GENMASK(10, 0)) +#define DISP_REG_OVL_Y2R_PRE_ADD2(n) (0x0154 + 0x28 * (n)) +#define DISP_REG_OVL_R2R_R0(n) (0x0500 + 0x40 * (n)) +#define DISP_REG_OVL_R2R_G1(n) (0x0510 + 0x40 * (n)) +#define DISP_REG_OVL_R2R_B2(n) (0x0520 + 0x40 * (n)) #define DISP_REG_OVL_ADDR_MT8173 0x0f40 #define DISP_REG_OVL_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n)) #define DISP_REG_OVL_HDR_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n) + 0= x04) @@ -55,6 +82,8 @@ #define OVL_CON_CLRFMT_MAN BIT(23) #define OVL_CON_BYTE_SWAP BIT(24) #define OVL_CON_RGB_SWAP BIT(25) +#define OVL_CON_MTX_AUTO_DIS BIT(26) +#define OVL_CON_MTX_EN BIT(27) #define OVL_CON_CLRFMT_RGB (1 << 12) #define OVL_CON_CLRFMT_RGBA8888 (2 << 12) #define OVL_CON_CLRFMT_ARGB8888 (3 << 12) @@ -62,6 +91,7 @@ #define OVL_CON_CLRFMT_YUYV (5 << 12) #define OVL_CON_MTX_YUV_TO_RGB (6 << 16) #define OVL_CON_CLRFMT_PARGB8888 (OVL_CON_CLRFMT_ARGB8888 | OVL_CON_CLRFMT= _MAN) +#define OVL_CON_MTX_PROGRAMMABLE (8 << 16) #define OVL_CON_CLRFMT_RGB565(ovl) ((ovl)->data->fmt_rgb565_is_0 ? \ 0 : OVL_CON_CLRFMT_RGB) #define OVL_CON_CLRFMT_RGB888(ovl) ((ovl)->data->fmt_rgb565_is_0 ? \ @@ -131,6 +161,10 @@ static const u32 mt8195_formats[] =3D { DRM_FORMAT_YUYV, }; =20 +static const u32 mt8195_ovl_crc_ofs[] =3D { + DISP_REG_OVL_CRC, +}; + struct mtk_disp_ovl_data { unsigned int addr; unsigned int gmc_bits; @@ -141,12 +175,15 @@ struct mtk_disp_ovl_data { const u32 *formats; size_t num_formats; bool supports_clrfmt_ext; + const u32 *crc_ofs; + size_t crc_cnt; }; =20 /* * struct mtk_disp_ovl - DISP_OVL driver structure * @crtc: associated crtc to report vblank events to * @data: platform data + * @crc: crc related information */ struct mtk_disp_ovl { struct drm_crtc *crtc; @@ -156,8 +193,49 @@ struct mtk_disp_ovl { const struct mtk_disp_ovl_data *data; void (*vblank_cb)(void *data); void *vblank_cb_data; + resource_size_t regs_pa; + struct mtk_crtc_crc crc; }; =20 +size_t mtk_ovl_crc_cnt(struct device *dev) +{ + struct mtk_disp_ovl *ovl =3D dev_get_drvdata(dev); + + return ovl->crc.cnt; +} + +u32 *mtk_ovl_crc_entry(struct device *dev) +{ + struct mtk_disp_ovl *ovl =3D dev_get_drvdata(dev); + + return ovl->crc.va; +} + +void mtk_ovl_crc_read(struct device *dev) +{ + struct mtk_disp_ovl *ovl =3D dev_get_drvdata(dev); + + mtk_crtc_read_crc(&ovl->crc, ovl->regs); +} + +void mtk_ovl_crc_start(struct device *dev) +{ + struct mtk_disp_ovl *ovl =3D dev_get_drvdata(dev); + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + mtk_crtc_start_crc_cmdq(&ovl->crc); +#endif +} + +void mtk_ovl_crc_stop(struct device *dev) +{ + struct mtk_disp_ovl *ovl =3D dev_get_drvdata(dev); + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + mtk_crtc_stop_crc_cmdq(&ovl->crc); +#endif +} + static irqreturn_t mtk_disp_ovl_irq_handler(int irq, void *dev_id) { struct mtk_disp_ovl *priv =3D dev_id; @@ -237,15 +315,27 @@ void mtk_ovl_clk_disable(struct device *dev) void mtk_ovl_start(struct device *dev) { struct mtk_disp_ovl *ovl =3D dev_get_drvdata(dev); + unsigned int reg =3D readl(ovl->regs + DISP_REG_OVL_DATAPATH_CON); =20 - if (ovl->data->smi_id_en) { - unsigned int reg; + if (ovl->data->smi_id_en) + reg |=3D OVL_LAYER_SMI_ID_EN; =20 - reg =3D readl(ovl->regs + DISP_REG_OVL_DATAPATH_CON); - reg =3D reg | OVL_LAYER_SMI_ID_EN; - writel_relaxed(reg, ovl->regs + DISP_REG_OVL_DATAPATH_CON); + /* + * When doing Y2R conversion, it's common to get an output + * that is larger than 10 bits (negative numbers). + * Enable this bit to clamp the output to 10 bits per channel + * (should always be enabled) + */ + reg |=3D OVL_OUTPUT_CLAMP; + writel_relaxed(reg, ovl->regs + DISP_REG_OVL_DATAPATH_CON); + + reg =3D OVL_EN; + if (ovl->data->crc_cnt) { + /* enable crc and its related clocks */ + writel_relaxed(OVL_CRC_EN, ovl->regs + DISP_REG_OVL_TRIG); + reg |=3D OVL_OP_8BIT_MODE | OVL_HG_FOVL_CK_ON | OVL_HF_FOVL_CK_ON; } - writel_relaxed(0x1, ovl->regs + DISP_REG_OVL_EN); + writel_relaxed(reg, ovl->regs + DISP_REG_OVL_EN); } =20 void mtk_ovl_stop(struct device *dev) @@ -489,6 +579,83 @@ void mtk_ovl_layer_config(struct device *dev, unsigned= int idx, (state->base.fb && !state->base.fb->format->has_alpha)) ignore_pixel_alpha =3D OVL_CONST_BLEND; =20 + /* + * OVL only supports 8 bits data in CRC calculation, transform 10-bit + * RGB to 8-bit RGB by leveraging the ability of the Y2R (YUV-to-RGB) + * hardware to multiply coefficients, although there is nothing to do + * with the YUV format. + */ + if (ovl->data->supports_clrfmt_ext) { + u32 y2r_coef =3D 0, y2r_offset =3D 0, r2r_coef =3D 0, csc_en =3D 0; + + if (is_10bit_rgb(fmt)) { + con |=3D OVL_CON_MTX_AUTO_DIS | OVL_CON_MTX_EN | OVL_CON_MTX_PROGRAMMAB= LE; + + /* + * Y2R coefficient setting + * bit 13 is 2^1, bit 12 is 2^0, bit 11 is 2^-1, + * bit 10 is 2^-2 =3D 0.25 + */ + y2r_coef =3D BIT(10); + + /* -1 in 10bit */ + y2r_offset =3D GENMASK(10, 0) - 1; + + /* + * R2R coefficient setting + * bit 19 is 2^1, bit 18 is 2^0, bit 17 is 2^-1, + * bit 20 is 2^2 =3D 4 + */ + r2r_coef =3D BIT(20); + + /* CSC_EN is for R2R */ + csc_en =3D OVL_CLRFMT_EXT1_CSC_EN(idx); + + /* + * 1. YUV input data - 1 and shift right for 2 bits to remove it + * [R'] [0.25 0 0] [Y in - 1] + * [G'] =3D [ 0 0.25 0] * [U in - 1] + * [B'] [ 0 0 0.25] [V in - 1] + * + * 2. shift left for 2 bit letting the last 2 bits become 0 + * [R out] [ 4 0 0] [R'] + * [G out] =3D [ 0 4 0] * [G'] + * [B out] [ 0 0 4] [B'] + */ + } + + mtk_ddp_write_mask(cmdq_pkt, y2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_R0(idx), + OVL_Y2R_PARA_C_CF_RMY); + mtk_ddp_write_mask(cmdq_pkt, (y2r_coef << 16), + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_G0(idx), + OVL_Y2R_PARA_C_CF_GMU); + mtk_ddp_write_mask(cmdq_pkt, y2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_B1(idx), + OVL_Y2R_PARA_C_CF_BMV); + + mtk_ddp_write_mask(cmdq_pkt, y2r_offset, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_YUV_A_0(idx), + OVL_Y2R_PARA_C_CF_YA); + mtk_ddp_write_mask(cmdq_pkt, (y2r_offset << 16), + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_YUV_A_0(idx), + OVL_Y2R_PARA_C_CF_UA); + mtk_ddp_write_mask(cmdq_pkt, y2r_offset, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_Y2R_PARA_YUV_A_1(idx), + OVL_Y2R_PARA_C_CF_VA); + + mtk_ddp_write_relaxed(cmdq_pkt, r2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_R2R_R0(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, r2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_R2R_G1(idx)); + mtk_ddp_write_relaxed(cmdq_pkt, r2r_coef, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_R2R_B2(idx)); + + mtk_ddp_write_mask(cmdq_pkt, csc_en, + &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_CLRFMT_EXT1, + OVL_CLRFMT_EXT1_CSC_EN(idx)); + } + if (pending->rotation & DRM_MODE_REFLECT_Y) { con |=3D OVL_CON_VIRT_FLIP; addr +=3D (pending->height - 1) * pending->pitch; @@ -595,15 +762,31 @@ static int mtk_disp_ovl_probe(struct platform_device = *pdev) dev_err(dev, "failed to ioremap ovl\n"); return PTR_ERR(priv->regs); } + + priv->data =3D of_device_get_match_data(dev); + platform_set_drvdata(pdev, priv); + + if (priv->data->crc_cnt) { + mtk_crtc_init_crc(&priv->crc, + priv->data->crc_ofs, priv->data->crc_cnt, + DISP_REG_OVL_TRIG, OVL_CRC_CLR); + } + #if IS_REACHABLE(CONFIG_MTK_CMDQ) ret =3D cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0); if (ret) dev_dbg(dev, "get mediatek,gce-client-reg fail!\n"); -#endif - - priv->data =3D of_device_get_match_data(dev); - platform_set_drvdata(pdev, priv); =20 + if (priv->data->crc_cnt) { + if (of_property_read_u32_index(dev->of_node, + "mediatek,gce-events", 0, + &priv->crc.cmdq_event)) { + dev_warn(dev, "failed to get gce-events for crc\n"); + } + priv->crc.cmdq_reg =3D &priv->cmdq_reg; + mtk_crtc_create_crc_cmdq(dev, &priv->crc); + } +#endif ret =3D devm_request_irq(dev, irq, mtk_disp_ovl_irq_handler, IRQF_TRIGGER_NONE, dev_name(dev), priv); if (ret < 0) { @@ -624,6 +807,10 @@ static int mtk_disp_ovl_probe(struct platform_device *= pdev) =20 static void mtk_disp_ovl_remove(struct platform_device *pdev) { + struct device *dev =3D &pdev->dev; + struct mtk_disp_ovl *ovl =3D dev_get_drvdata(dev); + + mtk_crtc_destroy_crc(&ovl->crc); component_del(&pdev->dev, &mtk_disp_ovl_component_ops); pm_runtime_disable(&pdev->dev); } @@ -694,6 +881,8 @@ static const struct mtk_disp_ovl_data mt8195_ovl_driver= _data =3D { .formats =3D mt8195_formats, .num_formats =3D ARRAY_SIZE(mt8195_formats), .supports_clrfmt_ext =3D true, + .crc_ofs =3D mt8195_ovl_crc_ofs, + .crc_cnt =3D ARRAY_SIZE(mt8195_ovl_crc_ofs), }; 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Lin" , Sean Paul , Jason Chen , Fei Shao , , , , , Hsiao Chien Sung Subject: [PATCH v8 16/16] drm/mediatek: Support CRC in OVL adaptor Date: Thu, 6 Jun 2024 17:26:35 +0800 Message-ID: <20240606092635.27981-17-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240606092635.27981-1-shawn.sung@mediatek.com> References: <20240606092635.27981-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--6.980900-8.000000 X-TMASE-MatchedRID: u2gSivHusvO/gdQC9NfM37dQIb8hCnY+Xru95hSuhjTi7ECA5q90ucCS 2AMm1nQCbjMOm8SwCSYRNd8KRmWUzeVM9fuANPF9A9lly13c/gEraL2mh8ZVKwqiCYa6w8tv7fK xaM2xqkB3h9ijPpALVnm3rlWwtGYxgZi/ORh+nqAMH4SsGvRsA66JG5H2YJq6u6qThyrnanOuvq nb77eCoD2ixCH7D+gZqYdJomSPWScR3RjJbq0tuRIRh9wkXSlFfS0Ip2eEHnz3IzXlXlpamPoLR 4+zsDTtgUicvJ4MChmz0fvt1jaX599wrn/JZI0QeWv5iXuKOgMtI1zDS8Cp0charoVSgHr8 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--6.980900-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 4D22542C32BF62AA1B2173DFEF22851614B504DCA9A87F67BF480D7AAB4588A02000:8 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Hsiao Chien Sung We choose Mixer as CRC generator in OVL adaptor since its frame done event will trigger vblanks, we can know when is safe to retrieve CRC of the frame. In OVL adaptor, there's no image procession after Mixer, unlike the OVL in VDOSYS0, Mixer's CRC will include all the effects that are applied to the frame. Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_ddp_comp.c | 5 ++ drivers/gpu/drm/mediatek/mtk_disp_drv.h | 5 ++ .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 35 +++++++++ drivers/gpu/drm/mediatek/mtk_ethdr.c | 72 +++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_ethdr.h | 7 ++ 5 files changed, 124 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_ddp_comp.c b/drivers/gpu/drm/medi= atek/mtk_ddp_comp.c index 07c3b5c5e14e..473460ab3a7a 100644 --- a/drivers/gpu/drm/mediatek/mtk_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_ddp_comp.c @@ -408,6 +408,11 @@ static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor= =3D { .clk_enable =3D mtk_ovl_adaptor_clk_enable, .clk_disable =3D mtk_ovl_adaptor_clk_disable, .config =3D mtk_ovl_adaptor_config, + .crc_cnt =3D mtk_ovl_adaptor_crc_cnt, + .crc_entry =3D mtk_ovl_adaptor_crc_entry, + .crc_read =3D mtk_ovl_adaptor_crc_read, + .crc_start =3D mtk_ovl_adaptor_crc_start, + .crc_stop =3D mtk_ovl_adaptor_crc_stop, .start =3D mtk_ovl_adaptor_start, .stop =3D mtk_ovl_adaptor_stop, .layer_nr =3D mtk_ovl_adaptor_layer_nr, diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/medi= atek/mtk_disp_drv.h index a03d7a10847a..0ef32bc3b996 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -140,6 +140,11 @@ const u32 *mtk_ovl_adaptor_get_formats(struct device *= dev); size_t mtk_ovl_adaptor_get_num_formats(struct device *dev); enum drm_mode_status mtk_ovl_adaptor_mode_valid(struct device *dev, const struct drm_display_mode *mode); +size_t mtk_ovl_adaptor_crc_cnt(struct device *dev); +u32 *mtk_ovl_adaptor_crc_entry(struct device *dev); +void mtk_ovl_adaptor_crc_read(struct device *dev); +void mtk_ovl_adaptor_crc_start(struct device *dev); +void mtk_ovl_adaptor_crc_stop(struct device *dev); =20 void mtk_rdma_bypass_shadow(struct device *dev); int mtk_rdma_clk_enable(struct device *dev); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/= drm/mediatek/mtk_disp_ovl_adaptor.c index 2b62d6475918..02a617ac8265 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -207,6 +207,41 @@ void mtk_ovl_adaptor_layer_config(struct device *dev, = unsigned int idx, mtk_ethdr_layer_config(ethdr, idx, state, cmdq_pkt); } =20 +size_t mtk_ovl_adaptor_crc_cnt(struct device *dev) +{ + struct mtk_disp_ovl_adaptor *ovl_adaptor =3D dev_get_drvdata(dev); + + return mtk_ethdr_crc_cnt(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0= ]); +} + +u32 *mtk_ovl_adaptor_crc_entry(struct device *dev) +{ + struct mtk_disp_ovl_adaptor *ovl_adaptor =3D dev_get_drvdata(dev); + + return mtk_ethdr_crc_entry(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHD= R0]); +} + +void mtk_ovl_adaptor_crc_read(struct device *dev) +{ + struct mtk_disp_ovl_adaptor *ovl_adaptor =3D dev_get_drvdata(dev); + + mtk_ethdr_crc_read(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]); +} + +void mtk_ovl_adaptor_crc_start(struct device *dev) +{ + struct mtk_disp_ovl_adaptor *ovl_adaptor =3D dev_get_drvdata(dev); + + mtk_ethdr_crc_start(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]); +} + +void mtk_ovl_adaptor_crc_stop(struct device *dev) +{ + struct mtk_disp_ovl_adaptor *ovl_adaptor =3D dev_get_drvdata(dev); + + mtk_ethdr_crc_stop(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]); +} + void mtk_ovl_adaptor_config(struct device *dev, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc, struct cmdq_pkt *cmdq_pkt) diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c b/drivers/gpu/drm/mediate= k/mtk_ethdr.c index d01f65819816..1e6a51979ec6 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c @@ -25,6 +25,9 @@ #define MIX_FME_CPL_INTEN BIT(1) #define MIX_INTSTA 0x8 #define MIX_EN 0xc +#define MIX_TRIG 0x10 +#define MIX_TRIG_CRC_EN BIT(8) +#define MIX_TRIG_CRC_RST BIT(9) #define MIX_RST 0x14 #define MIX_ROI_SIZE 0x18 #define MIX_DATAPATH_CON 0x1c @@ -40,6 +43,11 @@ #define PREMULTI_SOURCE (3 << 12) #define MIX_L_SRC_SIZE(n) (0x30 + 0x18 * (n)) #define MIX_L_SRC_OFFSET(n) (0x34 + 0x18 * (n)) + +/* CRC register offsets for odd and even lines */ +#define MIX_CRC_ODD 0x110 +#define MIX_CRC_EVEN 0x114 + #define MIX_FUNC_DCM0 0x120 #define MIX_FUNC_DCM1 0x124 #define MIX_FUNC_DCM_ENABLE 0xffffffff @@ -83,6 +91,7 @@ struct mtk_ethdr { void *vblank_cb_data; int irq; struct reset_control *reset_ctl; + struct mtk_crtc_crc crc; }; =20 static const char * const ethdr_clk_str[] =3D { @@ -101,6 +110,50 @@ static const char * const ethdr_clk_str[] =3D { "vdo_be_async", }; =20 +static const u32 ethdr_crc_ofs[] =3D { + MIX_CRC_ODD, + MIX_CRC_EVEN, +}; + +size_t mtk_ethdr_crc_cnt(struct device *dev) +{ + struct mtk_ethdr *priv =3D dev_get_drvdata(dev); + + return priv->crc.cnt; +} + +u32 *mtk_ethdr_crc_entry(struct device *dev) +{ + struct mtk_ethdr *priv =3D dev_get_drvdata(dev); + + return priv->crc.va; +} + +void mtk_ethdr_crc_read(struct device *dev) +{ + struct mtk_ethdr *priv =3D dev_get_drvdata(dev); + + mtk_crtc_read_crc(&priv->crc, priv->ethdr_comp[ETHDR_MIXER].regs); +} + +void mtk_ethdr_crc_start(struct device *dev) +{ + struct mtk_ethdr *priv =3D dev_get_drvdata(dev); + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + mtk_crtc_start_crc_cmdq(&priv->crc); +#endif +} + +void mtk_ethdr_crc_stop(struct device *dev) +{ + struct mtk_ethdr *priv =3D dev_get_drvdata(dev); + +#if IS_REACHABLE(CONFIG_MTK_CMDQ) + mtk_crtc_stop_crc_cmdq(&priv->crc); +#endif +} + void mtk_ethdr_register_vblank_cb(struct device *dev, void (*vblank_cb)(void *), void *vblank_cb_data) @@ -259,6 +312,9 @@ void mtk_ethdr_start(struct device *dev) struct mtk_ethdr_comp *mixer =3D &priv->ethdr_comp[ETHDR_MIXER]; =20 writel(1, mixer->regs + MIX_EN); + + if (priv->crc.cnt) + writel(MIX_TRIG_CRC_EN, mixer->regs + MIX_TRIG); } =20 void mtk_ethdr_stop(struct device *dev) @@ -320,6 +376,9 @@ static int mtk_ethdr_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; =20 + mtk_crtc_init_crc(&priv->crc, ethdr_crc_ofs, ARRAY_SIZE(ethdr_crc_ofs), + MIX_TRIG, MIX_TRIG_CRC_RST); + for (i =3D 0; i < ETHDR_ID_MAX; i++) { priv->ethdr_comp[i].dev =3D dev; priv->ethdr_comp[i].regs =3D of_iomap(dev->of_node, i); @@ -328,6 +387,16 @@ static int mtk_ethdr_probe(struct platform_device *pde= v) &priv->ethdr_comp[i].cmdq_base, i); if (ret) dev_dbg(dev, "get mediatek,gce-client-reg fail!\n"); + + if (i =3D=3D ETHDR_MIXER) { + if (of_property_read_u32_index(dev->of_node, + "mediatek,gce-events", i, + &priv->crc.cmdq_event)) { + dev_warn(dev, "failed to get gce-events for crc\n"); + } + priv->crc.cmdq_reg =3D &priv->ethdr_comp[i].cmdq_base; + mtk_crtc_create_crc_cmdq(dev, &priv->crc); + } #endif dev_dbg(dev, "[DRM]regs:0x%p, node:%d\n", priv->ethdr_comp[i].regs, i); } @@ -368,6 +437,9 @@ static int mtk_ethdr_probe(struct platform_device *pdev) =20 static void mtk_ethdr_remove(struct platform_device *pdev) { + struct mtk_ethdr *priv =3D dev_get_drvdata(&pdev->dev); + + mtk_crtc_destroy_crc(&priv->crc); component_del(&pdev->dev, &mtk_ethdr_component_ops); } =20 diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.h b/drivers/gpu/drm/mediate= k/mtk_ethdr.h index 81af9edea3f7..6c479c460ac0 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.h +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.h @@ -22,4 +22,11 @@ void mtk_ethdr_register_vblank_cb(struct device *dev, void mtk_ethdr_unregister_vblank_cb(struct device *dev); void mtk_ethdr_enable_vblank(struct device *dev); void mtk_ethdr_disable_vblank(struct device *dev); + +size_t mtk_ethdr_crc_cnt(struct device *dev); +u32 *mtk_ethdr_crc_entry(struct device *dev); +void mtk_ethdr_crc_read(struct device *dev); +void mtk_ethdr_crc_start(struct device *dev); +void mtk_ethdr_crc_stop(struct device *dev); + #endif --=20 2.18.0