drm/amd/display: Add HDMI DSC native YCbCr422 support

From Leo Ma
55fcbe5f60865717479a9d6a8d8d076c8f443759 in linux-6.6.y/6.6.54
07bfa9cdbf3cd2daadfaaba0601f126f45951ffa in mainline linux

3 files changed, 7 insertions, 5 deletions

diff --git a/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 43173a1f99d..d390e3d62e5 100644
--- a/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/sys/dev/pci/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -1115,7 +1115,7 @@ static int compute_mst_dsc_configs_for_link(struct drm_atomic_state *state,
 		params[count].num_slices_v = aconnector->dsc_settings.dsc_num_slices_v;
 		params[count].bpp_overwrite = aconnector->dsc_settings.dsc_bits_per_pixel;
 		params[count].compression_possible = stream->sink->dsc_caps.dsc_dec_caps.is_dsc_supported;
-		dc_dsc_get_policy_for_timing(params[count].timing, 0, &dsc_policy);
+		dc_dsc_get_policy_for_timing(params[count].timing, 0, &dsc_policy, dc_link_get_highest_encoding_format(stream->link));
 		if (!dc_dsc_compute_bandwidth_range(
 				stream->sink->ctx->dc->res_pool->dscs[0],
 				stream->sink->ctx->dc->debug.dsc_min_slice_height_override,
@@ -1583,7 +1583,7 @@ static bool is_dsc_common_config_possible(struct dc_stream_state *stream,
 {
 	struct dc_dsc_policy dsc_policy = {0};
 
-	dc_dsc_get_policy_for_timing(&stream->timing, 0, &dsc_policy);
+	dc_dsc_get_policy_for_timing(&stream->timing, 0, &dsc_policy, dc_link_get_highest_encoding_format(stream->link));
 	dc_dsc_compute_bandwidth_range(stream->sink->ctx->dc->res_pool->dscs[0],
 				       stream->sink->ctx->dc->debug.dsc_min_slice_height_override,
 				       dsc_policy.min_target_bpp * 16,
diff --git a/sys/dev/pci/drm/amd/display/dc/dc_dsc.h b/sys/dev/pci/drm/amd/display/dc/dc_dsc.h
index fe3078b8789..01c07545ef6 100644
--- a/sys/dev/pci/drm/amd/display/dc/dc_dsc.h
+++ b/sys/dev/pci/drm/amd/display/dc/dc_dsc.h
@@ -100,7 +100,8 @@ uint32_t dc_dsc_stream_bandwidth_overhead_in_kbps(
  */
 void dc_dsc_get_policy_for_timing(const struct dc_crtc_timing *timing,
 		uint32_t max_target_bpp_limit_override_x16,
-		struct dc_dsc_policy *policy);
+		struct dc_dsc_policy *policy,
+		const enum dc_link_encoding_format link_encoding);
 
 void dc_dsc_policy_set_max_target_bpp_limit(uint32_t limit);
 
diff --git a/sys/dev/pci/drm/amd/display/dc/dsc/dc_dsc.c b/sys/dev/pci/drm/amd/display/dc/dsc/dc_dsc.c
index 230be292ff3..9edc9b0e3f0 100644
--- a/sys/dev/pci/drm/amd/display/dc/dsc/dc_dsc.c
+++ b/sys/dev/pci/drm/amd/display/dc/dsc/dc_dsc.c
@@ -861,7 +861,7 @@ static bool setup_dsc_config(
 
 	memset(dsc_cfg, 0, sizeof(struct dc_dsc_config));
 
-	dc_dsc_get_policy_for_timing(timing, options->max_target_bpp_limit_override_x16, &policy);
+	dc_dsc_get_policy_for_timing(timing, options->max_target_bpp_limit_override_x16, &policy, link_encoding);
 	pic_width = timing->h_addressable + timing->h_border_left + timing->h_border_right;
 	pic_height = timing->v_addressable + timing->v_border_top + timing->v_border_bottom;
 
@@ -1134,7 +1134,8 @@ uint32_t dc_dsc_stream_bandwidth_overhead_in_kbps(
 
 void dc_dsc_get_policy_for_timing(const struct dc_crtc_timing *timing,
 		uint32_t max_target_bpp_limit_override_x16,
-		struct dc_dsc_policy *policy)
+		struct dc_dsc_policy *policy,
+		const enum dc_link_encoding_format link_encoding)
 {
 	uint32_t bpc = 0;