From: Chandra Konduru <[email protected]>
This patch adds NV12 as supported format
to intel_framebuffer_init and performs various checks.
v2:
-Fix an issue in checks added (Chandra Konduru)
v3: rebased (me)
v4: Review comments by Ville addressed
Added platform check for NV12 in intel_framebuffer_init
Removed offset checks for NV12 case
v5: Addressed review comments by Clinton A Taylor
This NV12 support only correctly works on SKL.
Plane color space conversion is different on GLK and later platforms
causing the colors to display incorrectly.
Ville's plane color space property patch series
in review will fix this issue.
- Restricted the NV12 case in intel_framebuffer_init to
SKL and BXT only.
v6: Rebased (me)
Tested-by: Clinton Taylor <[email protected]>
Reviewed-by: Clinton Taylor <[email protected]>
Signed-off-by: Chandra Konduru <[email protected]>
Signed-off-by: Nabendu Maiti <[email protected]>
Signed-off-by: Vidya Srinivas <[email protected]>
---
drivers/gpu/drm/i915/intel_display.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index d86dd64..dfda54e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14780,6 +14780,11 @@ static int intel_framebuffer_init(struct
intel_framebuffer *intel_fb,
goto err;
}
break;
+ case DRM_FORMAT_NV12:
+ if (INTEL_GEN(dev_priv) >= 9)
+ if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
+ break;
+ goto err;
default:
DRM_DEBUG_KMS("unsupported pixel format: %s\n",
drm_get_format_name(mode_cmd->pixel_format,
&format_name));
--
1.9.1
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