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Message-ID: <20250627145058.6880-1-mike.looijmans@topic.nl>
Date: Fri, 27 Jun 2025 16:50:46 +0200
From: Mike Looijmans <mike.looijmans@...ic.nl>
To: dri-devel@...ts.freedesktop.org
CC: Mike Looijmans <mike.looijmans@...ic.nl>,
David Airlie <airlied@...il.com>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Michal Simek <michal.simek@....com>,
Simona Vetter <simona@...ll.ch>,
Thomas Zimmermann <tzimmermann@...e.de>,
Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] drm: xlnx: zynqmp_dp: Support DRM_FORMAT_XRGB8888
XRGB8888 is the default mode that Xorg will want to use. Add support
for this to the Zynqmp DisplayPort driver, so that applications can use
32-bit framebuffers. This solves that the X server would fail to start
unless one provided an xorg.conf that sets DefaultDepth to 16.
Signed-off-by: Mike Looijmans <mike.looijmans@...ic.nl>
---
drivers/gpu/drm/xlnx/zynqmp_disp.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index 80d1e499a18d..501428437000 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -312,6 +312,11 @@ static const struct zynqmp_disp_format avbuf_gfx_fmts[] = {
.buf_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA8888,
.swap = true,
.sf = scaling_factors_888,
+ }, {
+ .drm_fmt = DRM_FORMAT_XRGB8888,
+ .buf_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA8888,
+ .swap = true,
+ .sf = scaling_factors_888,
}, {
.drm_fmt = DRM_FORMAT_RGBA8888,
.buf_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_ABGR8888,
--
2.43.0
base-commit: 67a993863163cb88b1b68974c31b0d84ece4293e
branch: linux-master-zynqmpdp-32bit
Met vriendelijke groet / kind regards,
Mike Looijmans
System Expert
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