From nobody Wed Feb 11 05:53:41 2026 Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) (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 7E472146D51 for ; Thu, 16 May 2024 13:20:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.197 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715865616; cv=none; b=sYBFt+Ow5bImenKNbGZE4lec/XrzaoUMo1WtFAqRKOoJ3tPiNqQjJCvs0hbdDPWoxLCzG6wz5xk/UQEQvTmTZtxZNo5oxOMQmQ4z0n8m+fcEiAv2MU2JQPLhvBgeolvQg+EJxEsZjKknPxHZgQ19yrAN8TY5+/fY3LCIicC+I/w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715865616; c=relaxed/simple; bh=1OJ19Pl47nRtdHCzGqcZtNX9EYkZYfEVLt9EdjsyHOI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=sIFsvXiQ0rN/7cpkTHignjnGl8mvcr1Hs/5Gtjk880xRNlw1G9UiMfur6qtnclugAlsEayhqNT1gkn7maa3mzFWe7zFzF0coPOF6x6pLIzV+SPN/WKJzZHyu0QzoekBkDh+0VWCZWn2vs5mIFxdvJLRRhQdMxNh0DeWLKUyaNDc= 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=Z+ELg8JU; arc=none smtp.client-ip=217.70.183.197 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="Z+ELg8JU" Received: by mail.gandi.net (Postfix) with ESMTPSA id 22C8E1C0003; Thu, 16 May 2024 13:20:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1715865612; 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=Gxsky9In9MMh/e1w5QTvAWtdGDRX6UThnRqmblTzJ18=; b=Z+ELg8JUhcl0r9jzdSzkiJrO+6Wea7A1CE1GDFSgg6pV0od+aA/OadiO6L16C4M5S4jPcJ KeABzRoWSyn0ECqTLayKaVgUXu/MXpgKBtLxapYAJ4z/xS7oWLrPvuKGdHEdJB3KZKOrhy lfgOZs8NU8/mUAUGgAbXq6/FU49hUwACV38/tnQM6Qg6q+fd5GmyTNU63fFKSNf8qAzOmL NM9CsvR0EQUmfiiFMz17+XiG2wVC8BQH7oenKqa380IgoACucr0noTrjqASU2SOmakL+Ad A75Dxlb/C+6xNeBGAU8PDsaa+GyIDZCOP56LUKprrikjq+AxFd2MMhUieZnbZQ== From: Louis Chauvet Date: Thu, 16 May 2024 15:20:07 +0200 Subject: [PATCH 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: <20240516-writeback_line_by_line-v1-3-7b2e3bf9f1c9@bootlin.com> References: <20240516-writeback_line_by_line-v1-0-7b2e3bf9f1c9@bootlin.com> In-Reply-To: <20240516-writeback_line_by_line-v1-0-7b2e3bf9f1c9@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, linux-kernel@vger.kernel.org, Louis Chauvet X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=2232; i=louis.chauvet@bootlin.com; h=from:subject:message-id; bh=1OJ19Pl47nRtdHCzGqcZtNX9EYkZYfEVLt9EdjsyHOI=; b=owEBbQKS/ZANAwAIASCtLsZbECziAcsmYgBmRggHCQK7xwYqKIIeeA0rVmlaVziGdYQOydOcA acReLtoUVOJAjMEAAEIAB0WIQRPj7g/vng8MQxQWQQgrS7GWxAs4gUCZkYIBwAKCRAgrS7GWxAs 4lhOD/0Z3LDnJlwTF1nleuo7YXbCMUURCN8v3uFz4goGOoWXD40S2ebgWzUMZ/UlG/Z+NQjf/PD z2PgAunHRR1YtWBAjYLVe+5y0JG7BvcEzwEwO1IOLfik+yMQ5KSz1uGjGx1xVCG7I6ptYxMeRXU YeKoxs7aXkcZaQOWRpA9m/u/4pcF5belsn21W7mtq+KuOADpcPQ7aT58osDJAHSjyJFp7THD6h+ EVO75UXYPza561UDcN2ZTTO6+Cp4ZF2KaqmQEMbo1AWuxvPkVxTeY0iz9cnGPuVOYjsm8dXC2si gjUTcfb8EdtditlCJQWZxVukITRR96SoY464F/NOy0Z7gzksY+5Szn/Zy12HRIW5DVoAhP/K3GK t7TW77RkJuWvTnoH6xTO1kUon782rI6da2dd3cKiomR6HVkzRwv59nTwd6AOZjKP8JWImiUp8Hn WS8wn/qBFgEKfJNB5RuGD26P9h0CfKmllT//R8Y6QVLLfv2GhZ6EGj8oCFOyhWRAmVZ+jBUq0DI Hf+NucgHuEkvxG5NvPhNQE+hwCJhS6yw2ByoUoKJpR9wzviDDzlswJVXwxqEBilnYdWxVoMcGa4 lEE1LhVyfTzNnIoYH1GkAn0kf/CkAqSyuCRhQXp762rnCYQZSO9FUivTOsf+xiEzz6t6vDc3Y39 q8KTiL51bBkGPng== 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 | 2 +- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkm= s_formats.c index 51b1c04e6781..92f1b2f5a8dd 100644 --- a/drivers/gpu/drm/vkms/vkms_formats.c +++ b/drivers/gpu/drm/vkms/vkms_formats.c @@ -642,6 +642,14 @@ 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 * @@ -688,6 +696,8 @@ 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) + /** * argb_u16_to_nothing() - pixel_write callback with no effect * @@ -979,6 +989,8 @@ 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 53bddcf33eab..c86020ef667a 100644 --- a/drivers/gpu/drm/vkms/vkms_writeback.c +++ b/drivers/gpu/drm/vkms/vkms_writeback.c @@ -21,7 +21,7 @@ static const u32 vkms_wb_formats[] =3D { DRM_FORMAT_XRGB16161616, DRM_FORMAT_ARGB16161616, DRM_FORMAT_RGB565, - DRM_FORMAT_YUV422 + DRM_FORMAT_XRGB2101010, }; =20 static const struct drm_connector_funcs vkms_wb_connector_funcs =3D { --=20 2.43.2