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[v2,1/4] drm: add picture aspect ratio flags

Message ID 1470754550-24023-2-git-send-email-shashank.sharma@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sharma, Shashank Aug. 9, 2016, 2:55 p.m. UTC
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.

Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>

V2: Addressed review comments from Sean
- Changed PAR-> PIC_AR

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
---
 include/uapi/drm/drm_mode.h | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

Comments

jim.bride@linux.intel.com Oct. 13, 2016, 5:24 p.m. UTC | #1
On Tue, Aug 09, 2016 at 08:25:47PM +0530, Shashank Sharma wrote:
> 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.
> 
> Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>

The changes make sense according to the relevant specs, and
although I don't have the HW to test them the code looks right.

Reviewed-by: Jim Bride <jim.bride@linux.intel.com>

> 
> V2: Addressed review comments from Sean
> - Changed PAR-> PIC_AR
> 
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Emil Velikov <emil.l.velikov@gmail.com>
> ---
>  include/uapi/drm/drm_mode.h | 18 +++++++++++++-----
>  1 file changed, 13 insertions(+), 5 deletions(-)
> 
> diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> index 49a7265..77c869d6 100644
> --- a/include/uapi/drm/drm_mode.h
> +++ b/include/uapi/drm/drm_mode.h
> @@ -77,6 +77,19 @@ extern "C" {
>  #define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
>  #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
>  
> +/* 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 22:19) */
> +#define DRM_MODE_FLAG_PIC_AR_MASK		(0x0F<<19)
> +#define  DRM_MODE_FLAG_PIC_AR_NONE \
> +			(DRM_MODE_PICTURE_ASPECT_NONE<<19)
> +#define  DRM_MODE_FLAG_PIC_AR_4_3 \
> +			(DRM_MODE_PICTURE_ASPECT_4_3<<19)
> +#define  DRM_MODE_FLAG_PIC_AR_16_9 \
> +			(DRM_MODE_PICTURE_ASPECT_16_9<<19)
>  
>  /* DPMS flags */
>  /* bit compatible with the xorg definitions. */
> @@ -92,11 +105,6 @@ 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
> -- 
> 1.9.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox

Patch

diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 49a7265..77c869d6 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -77,6 +77,19 @@  extern "C" {
 #define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
 
+/* 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 22:19) */
+#define DRM_MODE_FLAG_PIC_AR_MASK		(0x0F<<19)
+#define  DRM_MODE_FLAG_PIC_AR_NONE \
+			(DRM_MODE_PICTURE_ASPECT_NONE<<19)
+#define  DRM_MODE_FLAG_PIC_AR_4_3 \
+			(DRM_MODE_PICTURE_ASPECT_4_3<<19)
+#define  DRM_MODE_FLAG_PIC_AR_16_9 \
+			(DRM_MODE_PICTURE_ASPECT_16_9<<19)
 
 /* DPMS flags */
 /* bit compatible with the xorg definitions. */
@@ -92,11 +105,6 @@  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