From nobody Tue Feb 10 04:14:52 2026 Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) (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 9048A1411F9 for ; Wed, 14 Aug 2024 08:42:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.199 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723624947; cv=none; b=nvsWvSWEhxzNPlPvqz3eufbx9VIfWRn4JCpVXXwp9UZTGIhxCsTD+hRyWPR8Fm61YeUJBXORD9PrFdShiP5fpE5DNsI0sdI5giyTfILSIxHTJKRuPQCQFieTlEP6TSMOcn7FU5o8jjztTgID4mhA9lNpYW6p9r+5bidmcJkJJ3Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723624947; c=relaxed/simple; bh=Q//2af1+GAtPQBK929lJrpeGLSaSBwP7sfQwrAoJ7hY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=sxwDXdKV45T7BrG5XeWin1kvpG39vp+sVwVtmXEMjxjQHdnxF8m9HDbL4o4Y2/hVEBNJqaWa9FV6EezGrbKCSf+Vx37ooldw6X+IpAc30FCpifs6ZYAwuYQ9KpGqNAw1Umo7yMPTGR2/Ue+KlCTBeHfC/Vl7GR7Wg+P2SfpjIPw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=VKwzRn/J; arc=none smtp.client-ip=217.70.183.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="VKwzRn/J" Received: by mail.gandi.net (Postfix) with ESMTPSA id 40155FF80B; Wed, 14 Aug 2024 08:42:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1723624944; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=39J9r/cgiMQQbGfPEgnjvEVgEY5DVxwdbT5Fn7hwGoM=; b=VKwzRn/J4ZB0AicdFgA1fZaT1H2z7IQFWYjdkcVlHFAd2RBhCxb58mKdNSSX6UOeAr3jDH /qWDxVfCBejYiQEKB+U+PDlrGNiEMtIxdGWKhmTb38MnZaPo05qPHhw6YODGOWxmWgHoCv cDKLj49WNh6+d4k64gY8p1IoKnnZvOMdx23pJIafWCL0y39ID9DBVmE3a/K4h33IyOTCeA vAZusbVPaa7cU0vZz58dH7QZhnQ4q/y6YmqkrAkbsVYEXHkwIfEqWPiTiZHMV5R8rWdIUr A4Nu8YnhMfijrcRYOo2W1FYeORML24qFqInkmjLqBidpxG+0FEIcqfrDRIPecw== From: Louis Chauvet Date: Wed, 14 Aug 2024 10:42:18 +0200 Subject: [PATCH v2 3/3] drm/vkms: Add support for XRGB2101010 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240814-writeback_line_by_line-v2-3-36541c717569@bootlin.com> References: <20240814-writeback_line_by_line-v2-0-36541c717569@bootlin.com> In-Reply-To: <20240814-writeback_line_by_line-v2-0-36541c717569@bootlin.com> To: Rodrigo Siqueira , Melissa Wen , =?utf-8?q?Ma=C3=ADra_Canal?= , Haneen Mohammed , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie Cc: dri-devel@lists.freedesktop.org, arthurgrillo@riseup.net, linux-kernel@vger.kernel.org, jeremie.dautheribes@bootlin.com, miquel.raynal@bootlin.com, thomas.petazzoni@bootlin.com, seanpaul@google.com, nicolejadeyee@google.com, Louis Chauvet X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=2376; i=louis.chauvet@bootlin.com; h=from:subject:message-id; bh=Q//2af1+GAtPQBK929lJrpeGLSaSBwP7sfQwrAoJ7hY=; b=owEBbQKS/ZANAwAIASCtLsZbECziAcsmYgBmvG3rFnEo2Jrdte6ELCuzP943oaZmaGTT4+95Z Wo/GdZIwbaJAjMEAAEIAB0WIQRPj7g/vng8MQxQWQQgrS7GWxAs4gUCZrxt6wAKCRAgrS7GWxAs 4iEWEACGFjNZDjEUQT4zyAbX/97zEp9tNSleBMzBY4cGOr0AKTpQgHgK1e6VVDpM66YXP7kOcHi e+q4dj75JSpPuGoiKWd5G9hOYqb3+9Maq0JF9paczH1PPXikfn4DJxclcMDEe23OzoHzQ3s3moG RgOyvSTJkXOGpkhYG8ycj4XVKjNA6KQmLey0/AG3zVrF2EWNyr5K3nDId2C3SzHS4sX5W9ZMxAH a+9EYu54w01XtdS5P5+bxO4fA/ultDa3mcrAuFswV+YjZwVAVtde1r/n4wOPp4SRzHtse3t5Snm 9flj/kyTc0Kun6UlXFwESieZglSfuvyhjl3c0V5KGl7/PKED+Hfx+fjqF7K4klHGlhYBpufuK94 nfqgENkYcOn2FgrC+eCBmkeXbrDoQUmarMILHPiFCR6flz40tSs6ZeQ9PouEYW6HbYoDvAalXPA nsuq5lviic6gwMPa1BzvULenkYHofYJ4i3niL5z417XAG2IqYBiF9BOTSYKwdtGP5TI9c81ZjOR a+QqLDvCB4DTIdfM9rd7nFneB3qVkhcPknndhZrUUEBBLMZp5KeVmrmYhecxsMlgeHeNU4v6x9Z plMOAgjqXs9SoiAQKKr9vJT2rNGBDVOseR9+GVyhnPRFcSk2IbIZhiYBzXUccfWOCZ70+DVjjpv 7jVzBW5PHH3X9+Q== X-Developer-Key: i=louis.chauvet@bootlin.com; a=openpgp; fpr=8B7104AE9A272D6693F527F2EC1883F55E0B40A5 X-GND-Sasl: louis.chauvet@bootlin.com Thanks to the WRITE_LINE macro, adding the format XRGB210101010 is trivial. Signed-off-by: Louis Chauvet --- drivers/gpu/drm/vkms/vkms_formats.c | 12 ++++++++++++ drivers/gpu/drm/vkms/vkms_writeback.c | 3 ++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkm= s_formats.c index a25cdf656d8a..65fdd3999441 100644 --- a/drivers/gpu/drm/vkms/vkms_formats.c +++ b/drivers/gpu/drm/vkms/vkms_formats.c @@ -654,6 +654,14 @@ static void argb_u16_to_RGB565(u8 *out_pixel, const st= ruct pixel_argb_u16 *in_pi *pixel =3D cpu_to_le16(r << 11 | g << 5 | b); } =20 +static void argb_u16_to_XRGB2101010(u8 *out_pixel, const struct pixel_argb= _u16 *in_pixel) +{ + out_pixel[0] =3D (u8)(in_pixel->b & 0xFF); + out_pixel[1] =3D (u8)((in_pixel->b >> 8) & 0x03) | (u8)((in_pixel->g << 2= ) & 0xFC); + out_pixel[2] =3D (u8)((in_pixel->g >> 6) & 0x0F) | (u8)((in_pixel->r << 4= ) & 0xF0); + out_pixel[3] =3D (u8)((in_pixel->r >> 4) & 0x3F); +} + /** * WRITE_LINE() - Generic generator for write_line functions * @@ -700,6 +708,8 @@ WRITE_LINE(XRGB16161616_write_line, argb_u16_to_XRGB161= 61616) =20 WRITE_LINE(RGB565_write_line, argb_u16_to_RGB565) =20 +WRITE_LINE(XRGB2101010_write_line, argb_u16_to_XRGB2101010) + /** * get_pixel_read_function() - Retrieve the correct read_line function for= a specific * format. The returned pointer is NULL for unsupported pixel formats. The= caller must ensure that @@ -977,6 +987,8 @@ pixel_write_line_t get_pixel_write_line_function(u32 fo= rmat) return &XRGB16161616_write_line; case DRM_FORMAT_RGB565: return &RGB565_write_line; + case DRM_FORMAT_XRGB2101010: + return &XRGB2101010_write_line; default: /* * This is a bug in vkms_writeback_atomic_check. All the supported diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c b/drivers/gpu/drm/vkms/v= kms_writeback.c index f6ed3aa69af8..7e0302c0830c 100644 --- a/drivers/gpu/drm/vkms/vkms_writeback.c +++ b/drivers/gpu/drm/vkms/vkms_writeback.c @@ -19,7 +19,8 @@ static const u32 vkms_wb_formats[] =3D { DRM_FORMAT_XRGB8888, DRM_FORMAT_XRGB16161616, DRM_FORMAT_ARGB16161616, - DRM_FORMAT_RGB565 + DRM_FORMAT_RGB565, + DRM_FORMAT_XRGB2101010, }; =20 static const struct drm_connector_funcs vkms_wb_connector_funcs =3D { --=20 2.44.2