From: Stanislav Lisovskiy stanislav.lisovskiy@intel.com
[ Upstream commit 1482ec00be4a3634aeffbcc799791a723df69339 ]
Adding DP DSC register definitions, we might need for further DSC implementation, supporting MST and DP branch pass-through mode.
v2: - Fixed checkpatch comment warning v3: - Removed function which is not yet used(Jani Nikula)
Reviewed-by: Vinod Govindapillai vinod.govindapillai@intel.com Acked-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com Signed-off-by: Stanislav Lisovskiy stanislav.lisovskiy@intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20221101094222.22091-2-stanisl... Stable-dep-of: 13525645e224 ("drm/dsc: fix drm_edp_dsc_sink_output_bpp() DPCD high byte usage") Signed-off-by: Sasha Levin sashal@kernel.org --- include/drm/display/drm_dp.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h index e934aab357bea..9bc22a02874d9 100644 --- a/include/drm/display/drm_dp.h +++ b/include/drm/display/drm_dp.h @@ -240,6 +240,8 @@ #define DP_DSC_SUPPORT 0x060 /* DP 1.4 */ # define DP_DSC_DECOMPRESSION_IS_SUPPORTED (1 << 0) # define DP_DSC_PASSTHROUGH_IS_SUPPORTED (1 << 1) +# define DP_DSC_DYNAMIC_PPS_UPDATE_SUPPORT_COMP_TO_COMP (1 << 2) +# define DP_DSC_DYNAMIC_PPS_UPDATE_SUPPORT_UNCOMP_TO_COMP (1 << 3)
#define DP_DSC_REV 0x061 # define DP_DSC_MAJOR_MASK (0xf << 0) @@ -278,12 +280,15 @@
#define DP_DSC_BLK_PREDICTION_SUPPORT 0x066 # define DP_DSC_BLK_PREDICTION_IS_SUPPORTED (1 << 0) +# define DP_DSC_RGB_COLOR_CONV_BYPASS_SUPPORT (1 << 1)
#define DP_DSC_MAX_BITS_PER_PIXEL_LOW 0x067 /* eDP 1.4 */
#define DP_DSC_MAX_BITS_PER_PIXEL_HI 0x068 /* eDP 1.4 */ # define DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK (0x3 << 0) # define DP_DSC_MAX_BITS_PER_PIXEL_HI_SHIFT 8 +# define DP_DSC_MAX_BPP_DELTA_VERSION_MASK 0x06 +# define DP_DSC_MAX_BPP_DELTA_AVAILABILITY 0x08
#define DP_DSC_DEC_COLOR_FORMAT_CAP 0x069 # define DP_DSC_RGB (1 << 0) @@ -345,11 +350,13 @@ # define DP_DSC_24_PER_DP_DSC_SINK (1 << 2)
#define DP_DSC_BITS_PER_PIXEL_INC 0x06F +# define DP_DSC_RGB_YCbCr444_MAX_BPP_DELTA_MASK 0x1f +# define DP_DSC_RGB_YCbCr420_MAX_BPP_DELTA_MASK 0xe0 # define DP_DSC_BITS_PER_PIXEL_1_16 0x0 # define DP_DSC_BITS_PER_PIXEL_1_8 0x1 # define DP_DSC_BITS_PER_PIXEL_1_4 0x2 # define DP_DSC_BITS_PER_PIXEL_1_2 0x3 -# define DP_DSC_BITS_PER_PIXEL_1 0x4 +# define DP_DSC_BITS_PER_PIXEL_1_1 0x4
#define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */ # define DP_PSR_IS_SUPPORTED 1