[PATCH 2/3] drm/edid: Check for user aspect ratio input

Vandana Kannan vandana.kannan at intel.com
Thu May 22 04:20:49 PDT 2014


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.

Signed-off-by: Vandana Kannan <vandana.kannan at intel.com>
Cc: dri-devel at lists.freedesktop.org
---
 drivers/gpu/drm/drm_edid.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 7a4fd2e..05db619 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -3657,8 +3657,13 @@ 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 CEA mode list or
+	 *  user input
+	*/
+	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);
 
-- 
1.9.3



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