This introduces support for packed YUV formats with 4:2:2 sampling using the frontend. Definitions are introduced for the data format and pixel sequence input format register values.
Signed-off-by: Paul Kocialkowski paul.kocialkowski@bootlin.com Acked-by: Maxime Ripard maxime.ripard@bootlin.com --- drivers/gpu/drm/sun4i/sun4i_frontend.c | 22 ++++++++++++++++++++++ drivers/gpu/drm/sun4i/sun4i_frontend.h | 5 +++++ 2 files changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c index bf37a4ea81c5..1946dd9e58d9 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -133,6 +133,8 @@ sun4i_frontend_drm_format_to_input_fmt(const struct drm_format_info *format, { if (!format->is_yuv) *val = SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB; + else if (drm_format_info_is_yuv_sampling_422(format)) + *val = SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_YUV422; else return -EINVAL;
@@ -160,10 +162,26 @@ sun4i_frontend_drm_format_to_input_sequence(const struct drm_format_info *format *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX; return 0;
+ case DRM_FORMAT_UYVY: + *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_UYVY; + return 0; + + case DRM_FORMAT_VYUY: + *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_VYUY; + return 0; + case DRM_FORMAT_XRGB8888: *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB; return 0;
+ case DRM_FORMAT_YUYV: + *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YUYV; + return 0; + + case DRM_FORMAT_YVYU: + *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YVYU; + return 0; + default: return -EINVAL; } @@ -187,7 +205,11 @@ static int sun4i_frontend_drm_format_to_output_fmt(uint32_t fmt, u32 *val)
static const uint32_t sun4i_frontend_formats[] = { DRM_FORMAT_BGRX8888, + DRM_FORMAT_UYVY, + DRM_FORMAT_VYUY, DRM_FORMAT_XRGB8888, + DRM_FORMAT_YUYV, + DRM_FORMAT_YVYU, };
bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier) diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.h b/drivers/gpu/drm/sun4i/sun4i_frontend.h index 17b46ecf7d9e..e287a71a0db9 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.h +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.h @@ -27,7 +27,12 @@
#define SUN4I_FRONTEND_INPUT_FMT_REG 0x04c #define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED (1 << 8) +#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_YUV422 (1 << 4) #define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB (5 << 4) +#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_UYVY 0 +#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YUYV 1 +#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_VYUY 2 +#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YVYU 3 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX 0 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB 1