From a68362fe3e84fcbedd49939aa200519aa5410135 Mon Sep 17 00:00:00 2001 From: Shashank Sharma Date: Mon, 17 Oct 2016 17:34:40 +0530 Subject: [PATCH] drm: Add and handle new aspect ratios in DRM layer 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 V3: Align macro for DRM_MODE_PICTURE_ASPECT_256_135 (Jim Bride) V4: Added r-b from Jose. Signed-off-by: Shashank Sharma Reviewed-by: Sean Paul Reviewed-by: Jose Abreu Cc: Daniel Vetter Cc: Emil Velikov Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/1476705880-15600-5-git-send-email-shashank.sharma@intel.com --- 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 fde927a..173b7d3 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -1509,6 +1509,12 @@ 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; @@ -1570,6 +1576,12 @@ 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 5c142b1..084b50a 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. */ -- 2.7.4