From nobody Mon Feb 9 19:26:37 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F8A2C7EE43 for ; Tue, 13 Jun 2023 07:07:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240567AbjFMHH0 (ORCPT ); Tue, 13 Jun 2023 03:07:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240424AbjFMHG6 (ORCPT ); Tue, 13 Jun 2023 03:06:58 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29B081985; Tue, 13 Jun 2023 00:06:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1686639979; x=1718175979; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=NtZ1w67xZL59awaoTi+PT78oJSyEe138AbnOfIJ/pYE=; b=vdUibDuRWk/PHROamlm0fMa5/mERNIgi3kwTbT47CimZDXEGHH6MQOZh pDKMNbdoazSZ+HFCZVtkqm3wqYecOCRehK+Ulx8HwGmkJp4/QLtu52J9R VuLHD72HUiGMB0J8i3kXohiHJyBUiDwwMMRDxZ/xBFXo9y3y+peSM2xpt BS1TfkznVw2hraTLqnobqGH1kBWopNC53UzXp78vVqmlI7HjAnHqfB0E5 efATYzI730SZXOD9DqOicXxTS+mDr1H5jwrKUcbtz0QkqBpOIiMjWmPmZ PqL7dmdb2Yfmug573YJOZ76Im2e+LkyCjJHtZKQUQkE6FBslSzIuezsJv g==; X-IronPort-AV: E=Sophos;i="6.00,238,1681196400"; d="scan'208";a="229806934" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 13 Jun 2023 00:06:16 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Tue, 13 Jun 2023 00:06:14 -0700 Received: from che-lt-i67131.microchip.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Tue, 13 Jun 2023 00:06:06 -0700 From: Manikandan Muralidharan To: , , , , , , , , , , , , , , CC: , , , , , , , Manikandan Subject: [PATCH 8/9] drm: atmel-hlcdc: add vertical and horizontal scaling support for XLCDC Date: Tue, 13 Jun 2023 12:34:25 +0530 Message-ID: <20230613070426.467389-9-manikandan.m@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230613070426.467389-1-manikandan.m@microchip.com> References: <20230613070426.467389-1-manikandan.m@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" update the LCDC_HEOCFG30 and LCDC_HEOCFG31 registers of XLCDC IP which supports vertical and horizontal scaling with Bilinear and Bicubic co-efficients taps for Chroma and Luma componenets of the Pixel. Signed-off-by: Manikandan Muralidharan --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 2 ++ drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 4 ++++ .../gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 18 ++++++++++++++++++ 3 files changed, 24 insertions(+) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm= /atmel-hlcdc/atmel_hlcdc_dc.c index fbbd2592efc7..8fcaa4023155 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -536,6 +536,8 @@ static const struct atmel_hlcdc_layer_desc atmel_xlcdc_= sam9x7_layers[] =3D { .general_config =3D 12, .csc =3D 16, .scaler_config =3D 23, + .vxs_config =3D 30, + .hxs_config =3D 31, }, .clut_offset =3D 0x1300, }, diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm= /atmel-hlcdc/atmel_hlcdc_dc.h index 804e4d476f2b..9aedfd0f6039 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h @@ -264,6 +264,8 @@ * @disc_pos: discard area position register * @disc_size: discard area size register * @csc: color space conversion register + * @vxs_config: vertical scalar filter taps control register + * @hxs_config: horizontal scalar filter taps control register */ struct atmel_hlcdc_layer_cfg_layout { int xstride[ATMEL_HLCDC_LAYER_MAX_PLANES]; @@ -283,6 +285,8 @@ struct atmel_hlcdc_layer_cfg_layout { int disc_pos; int disc_size; int csc; + int vxs_config; + int hxs_config; }; =20 /** diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/= drm/atmel-hlcdc/atmel_hlcdc_plane.c index fe33476818c4..613382baa553 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c @@ -961,6 +961,24 @@ static int atmel_hlcdc_plane_init_properties(struct at= mel_hlcdc_plane *plane) desc->layout.csc + 6, 0x00000007); } + if (desc->layout.vxs_config && desc->layout.hxs_config) { + /* + * Updating vxs.config and hxs.config fixes the + * Green Color Issue in SAM9X7 EGT Video Player App + */ + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.vxs_config, + ATMEL_XLCDC_LAYER_VXSYCFG_ONE | + ATMEL_XLCDC_LAYER_VXSYTAP2_ENABLE | + ATMEL_XLCDC_LAYER_VXSCCFG_ONE | + ATMEL_XLCDC_LAYER_VXSCTAP2_ENABLE); + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.hxs_config, + ATMEL_XLCDC_LAYER_HXSYCFG_ONE | + ATMEL_XLCDC_LAYER_HXSYTAP2_ENABLE | + ATMEL_XLCDC_LAYER_HXSCCFG_ONE | + ATMEL_XLCDC_LAYER_HXSCTAP2_ENABLE); + } } =20 return 0; --=20 2.25.1