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drm/edid: Check for user aspect ratio input 

In case user has specified an input for aspect ratio through the property,
then the user space value for PAR would take preference over the value from
CEA mode list.

v2: Thierry's review comments.
	- Modified the comment "Populate..." as per review comments

v3: Thierry's review comments.
	- Modified the comment to block comment format.

Signed-off-by: Vandana Kannan <vandana.kannan@intel.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
hifive-unleashed-5.1
Vandana Kannan 2014-06-05 14:45:29 +05:30 committed by Daniel Vetter
parent ff587e45a1
commit 69ab6d35f6
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/drm_edid.c
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@ -3775,8 +3775,14 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
/* Populate picture aspect ratio from CEA mode list */
if (frame->video_code > 0)
/*
* Populate picture aspect ratio from either
* user input (if specified) or from the CEA mode list.
*/
if (mode->picture_aspect_ratio == HDMI_PICTURE_ASPECT_4_3 ||
mode->picture_aspect_ratio == HDMI_PICTURE_ASPECT_16_9)
frame->picture_aspect = mode->picture_aspect_ratio;
else if (frame->video_code > 0)
frame->picture_aspect = drm_get_cea_aspect_ratio(
frame->video_code);