>From CEA-861:

  Data Byte 1, bit A0 indicates whether Active Format Data is present in
  Data Byte 2 bits R3 through R0. A source device shall set A0=1 when
  any of the AFD bits are set.

ie. if we want to set active_aspect, we need to set the
active_info_valid bit to 1 as well.

Cc: Thierry Reding <thierry.red...@avionic-design.de>
Signed-off-by: Damien Lespiau <damien.lesp...@intel.com>
---
 drivers/gpu/drm/drm_edid.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 95d6f4b..8d1139f 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -3107,6 +3107,7 @@ drm_hdmi_avi_infoframe_from_display_mode(struct 
hdmi_avi_infoframe *frame,
                return 0;
 
        frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
+       frame->active_info_valid = 1;
        frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
 
        return 0;
-- 
1.8.3.1

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