diff options
| -rw-r--r-- | drivers/gpu/drm/drm_dp_helper.c | 14 | ||||
| -rw-r--r-- | include/drm/drm_dp_helper.h | 3 |
2 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 6d483487f2b4..2d6c491a0542 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -1428,17 +1428,19 @@ u8 drm_dp_dsc_sink_line_buf_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]) } EXPORT_SYMBOL(drm_dp_dsc_sink_line_buf_depth); -u8 drm_dp_dsc_sink_max_color_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]) +int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE], + u8 dsc_bpc[3]) { + int num_bpc = 0; u8 color_depth = dsc_dpcd[DP_DSC_DEC_COLOR_DEPTH_CAP - DP_DSC_SUPPORT]; if (color_depth & DP_DSC_12_BPC) - return 12; + dsc_bpc[num_bpc++] = 12; if (color_depth & DP_DSC_10_BPC) - return 10; + dsc_bpc[num_bpc++] = 10; if (color_depth & DP_DSC_8_BPC) - return 8; + dsc_bpc[num_bpc++] = 8; - return 0; + return num_bpc; } -EXPORT_SYMBOL(drm_dp_dsc_sink_max_color_depth); +EXPORT_SYMBOL(drm_dp_dsc_sink_supported_input_bpcs); diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 3314e91f6eb3..5736c942c85b 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -1123,7 +1123,8 @@ drm_dp_is_branch(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) u8 drm_dp_dsc_sink_max_slice_count(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE], bool is_edp); u8 drm_dp_dsc_sink_line_buf_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]); -u8 drm_dp_dsc_sink_max_color_depth(const u8 dsc_dpc[DP_DSC_RECEIVER_CAP_SIZE]); +int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpc[DP_DSC_RECEIVER_CAP_SIZE], + u8 dsc_bpc[3]); static inline bool drm_dp_sink_supports_dsc(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]) |