HDMI 2.0/CEA-861-F introduces two new aspect ratios:
- 64:27
- 256:135
This patch:
- Adds new DRM flags for to represent these new aspect ratios.
- Adds new cases to handle these aspect ratios while converting
from user->kernel mode or vise versa.
V2: Rebase
Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxxxx>
Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Emil Velikov <emil.l.velikov@xxxxxxxxx>
---
drivers/gpu/drm/drm_modes.c | 12 ++++++++++++
include/uapi/drm/drm_mode.h | 6 ++++++
2 files changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 9d8f00d..ed1b07b 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1481,6 +1481,12 @@ void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
case HDMI_PICTURE_ASPECT_16_9:
out->flags |= DRM_MODE_FLAG_PIC_AR_16_9;
break;
+ case HDMI_PICTURE_ASPECT_64_27:
+ out->flags |= DRM_MODE_FLAG_PIC_AR_64_27;
+ break;
+ case DRM_MODE_PICTURE_ASPECT_256_135:
+ out->flags |= DRM_MODE_FLAG_PIC_AR_256_135;
+ break;
case HDMI_PICTURE_ASPECT_RESERVED:
default:
out->flags |= DRM_MODE_FLAG_PIC_AR_NONE;
@@ -1542,6 +1548,12 @@ int drm_mode_convert_umode(struct drm_display_mode *out,
case DRM_MODE_FLAG_PIC_AR_16_9:
out->picture_aspect_ratio |= HDMI_PICTURE_ASPECT_16_9;
break;
+ case DRM_MODE_FLAG_PIC_AR_64_27:
+ out->picture_aspect_ratio |= HDMI_PICTURE_ASPECT_64_27;
+ break;
+ case DRM_MODE_FLAG_PIC_AR_256_135:
+ out->picture_aspect_ratio |= HDMI_PICTURE_ASPECT_256_135;
+ break;
default:
out->picture_aspect_ratio = HDMI_PICTURE_ASPECT_NONE;
break;
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 77c869d6..4d3429b 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -81,6 +81,8 @@ extern "C" {
#define DRM_MODE_PICTURE_ASPECT_NONE 0
#define DRM_MODE_PICTURE_ASPECT_4_3 1
#define DRM_MODE_PICTURE_ASPECT_16_9 2
+#define DRM_MODE_PICTURE_ASPECT_64_27 3
+#define DRM_MODE_PICTURE_ASPECT_256_135 4
/* Aspect ratio flag bitmask (4 bits 22:19) */
#define DRM_MODE_FLAG_PIC_AR_MASK (0x0F<<19)
@@ -90,6 +92,10 @@ extern "C" {
(DRM_MODE_PICTURE_ASPECT_4_3<<19)
#define DRM_MODE_FLAG_PIC_AR_16_9 \
(DRM_MODE_PICTURE_ASPECT_16_9<<19)
+#define DRM_MODE_FLAG_PIC_AR_64_27 \
+ (DRM_MODE_PICTURE_ASPECT_64_27<<19)
+#define DRM_MODE_FLAG_PIC_AR_256_135 \
+ (DRM_MODE_PICTURE_ASPECT_256_135<<19)
/* DPMS flags */
/* bit compatible with the xorg definitions. */
--
1.9.1
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