[Intel-gfx] [PATCH 0/5]: Add aspect ratio parsing
shashank.sharma at intel.com
Thu Dec 17 05:31:00 PST 2015
Currently DRM framework doesn't parse aspect ratio of a videomode
while converting it from a umode->kmode or viceversa. This causes
modeset of CEA modes with incorrect aspect ratio.
While running HDMI complaince, tests (like 7-27) expect the DUT
to apply the mode as per the VIC, but as driver does not consider
the aspect ratio part while searching a mode from modedb, we end
up setting mode with a wrong VIC, causing the test to fail.
What this patch set does:
- Adds aspect ratio flags in the DRM layer, in form of flags.
- Adds parsing of aspect ratio, during conversion of a umode->kmode
- Adds aspect ratio check while finding a mode, during modeset.
- Adds some new aspect ratio defined in CEA-861-F specs to
support HDMI 2.0 displays, in DRM and I915 layer.
Shashank Sharma (5):
drm: add picture aspect ratio flags
drm: Add aspect ratio parsing in DRM layer
video: Add new aspect ratios for HDMI 2.0
drm: Add flags for new aspect ratios
drm/i915: Add support for new aspect ratios
drivers/gpu/drm/drm_modes.c | 46 +++++++++++++++++++++++++++++++++++++++
drivers/gpu/drm/i915/intel_hdmi.c | 6 +++++
drivers/gpu/drm/i915/intel_sdvo.c | 6 +++++
drivers/video/hdmi.c | 4 ++++
include/linux/hdmi.h | 2 ++
include/uapi/drm/drm_mode.h | 24 +++++++++++++++-----
6 files changed, 83 insertions(+), 5 deletions(-)
More information about the Intel-gfx