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drm: add picture aspect ratio flags

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This patch adds drm flag bits for aspect ratio information

Currently drm flag bits don't have field for mode's picture
aspect ratio. This field will help the driver to pick mode with
right aspect ratio, and help in setting right VIC field in avi
infoframes.

V2: Addressed review comments from Sean
- Changed PAR-> PIC_AR
V3: Rebase
V3: Added r-b by Jose

Change-Id: I40cd7fc8393166b710a5f1faaea6e7dac59af65b
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Jim Bride <jim.bride@linux.intel.com>
Reviewed-by: Jose Abreu <Jose.Abreu@synopsys.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1476705880-15600-2-git-send-email-shashank.sharma@intel.com
Git-commit: 876f43c073d79ad3f14a4cebd1aea1f39fc4daf5
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[nbahrani@codeaurora.org: resolve merge conflicts by changing
 the mask bits to 27:24 instead of 22:19]
Signed-off-by: Navid Bahrani <nbahrani@codeaurora.org>
This commit is contained in:
Shashank Sharma 2016-10-17 17:34:37 +05:30 • committed by Gerrit - the friendly Code Review server
parent 55cc722ec6
commit dfd7f4cba2
1 changed files with 14 additions and 5 deletions
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19
include/uapi/drm/drm_mode.h
View file

@ -80,6 +80,20 @@ extern "C" {
#define DRM_MODE_FLAG_SUPPORTS_RGB (1<<20)
#define DRM_MODE_FLAG_SUPPORTS_YUV (1<<21)
/* Picture aspect ratio options */
#define DRM_MODE_PICTURE_ASPECT_NONE 0
#define DRM_MODE_PICTURE_ASPECT_4_3 1
#define DRM_MODE_PICTURE_ASPECT_16_9 2
/* Aspect ratio flag bitmask (4 bits 27:24) */
#define DRM_MODE_FLAG_PIC_AR_MASK (0x0F<<24)
#define DRM_MODE_FLAG_PIC_AR_NONE \
(DRM_MODE_PICTURE_ASPECT_NONE<<24)
#define DRM_MODE_FLAG_PIC_AR_4_3 \
(DRM_MODE_PICTURE_ASPECT_4_3<<24)
#define DRM_MODE_FLAG_PIC_AR_16_9 \
(DRM_MODE_PICTURE_ASPECT_16_9<<24)
/* DPMS flags */
/* bit compatible with the xorg definitions. */
#define DRM_MODE_DPMS_ON 0
@ -94,11 +108,6 @@ extern "C" {
#define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */
#define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */
/* Picture aspect ratio options */
#define DRM_MODE_PICTURE_ASPECT_NONE 0
#define DRM_MODE_PICTURE_ASPECT_4_3 1
#define DRM_MODE_PICTURE_ASPECT_16_9 2
/* Dithering mode options */
#define DRM_MODE_DITHERING_OFF 0
#define DRM_MODE_DITHERING_ON 1