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drm/probe-helper: Call drm_mode_validate_ycbcr420() before connector->mode_valid()

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Make life easier for drivers by filtering out unwanted YCbCr 4:2:0
only modes prior to calling the connector->mode_valid() hook.
Currently drivers will still see YCbCr 4:2:0 only modes in said
hook, which will likely come as a suprise when the driver has
declared no support for such modes (via setting
connector->ycbcr_420_allowed to false).

Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10992
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240516173324.18149-1-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2024-05-16 20:33:24 +03:00
parent 8a0a7b98d4
commit a856a53de9
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/drm_probe_helper.c
View file

@ -474,6 +474,10 @@ static int __drm_helper_update_and_validate(struct drm_connector *connector,
if (mode->status != MODE_OK)
continue;
mode->status = drm_mode_validate_ycbcr420(mode, connector);
if (mode->status != MODE_OK)
continue;
ret = drm_mode_validate_pipeline(mode, connector, ctx,
&mode->status);
if (ret) {
@ -486,10 +490,6 @@ static int __drm_helper_update_and_validate(struct drm_connector *connector,
else
return -EDEADLK;
}
if (mode->status != MODE_OK)
continue;
mode->status = drm_mode_validate_ycbcr420(mode, connector);
}
return 0;