[PATCH 05/12] drm/amd/display: rename dsc extended caps as dsc branch decoder caps

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From: Wenjing Liu <wenjing.liu@xxxxxxx>

[why]
The capability fields are reserved for DSC branch
only to report the capability related to the
branch's DSC decoder.

Signed-off-by: Wenjing Liu <wenjing.liu@xxxxxxx>
Reviewed-by: Tony Cheng <Tony.Cheng@xxxxxxx>
Acked-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |  2 +-
 drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c  |  4 ++--
 drivers/gpu/drm/amd/display/dc/dc_dp_types.h      |  4 ++--
 drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c       | 10 +++++-----
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index f46db2f3c620..7d78205d3604 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4621,7 +4621,7 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 #if defined(CONFIG_DRM_AMD_DC_DCN)
 		dc_dsc_parse_dsc_dpcd(aconnector->dc_link->ctx->dc,
 				      aconnector->dc_link->dpcd_caps.dsc_caps.dsc_basic_caps.raw,
-				      aconnector->dc_link->dpcd_caps.dsc_caps.dsc_ext_caps.raw,
+				      aconnector->dc_link->dpcd_caps.dsc_caps.dsc_branch_decoder_caps.raw,
 				      &dsc_caps);
 #endif
 		link_bandwidth_kbps = dc_link_bandwidth_kbps(aconnector->dc_link,
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 31c0b35bab67..277b29590fb9 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -3519,8 +3519,8 @@ static bool retrieve_link_cap(struct dc_link *link)
 		status = core_link_read_dpcd(
 				link,
 				DP_DSC_BRANCH_OVERALL_THROUGHPUT_0,
-				link->dpcd_caps.dsc_caps.dsc_ext_caps.raw,
-				sizeof(link->dpcd_caps.dsc_caps.dsc_ext_caps.raw));
+				link->dpcd_caps.dsc_caps.dsc_branch_decoder_caps.raw,
+				sizeof(link->dpcd_caps.dsc_caps.dsc_branch_decoder_caps.raw));
 	}
 
 	if (!dpcd_read_sink_ext_caps(link))
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
index af177c087d3b..a8a3b0643505 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
@@ -726,7 +726,7 @@ union dpcd_dsc_basic_capabilities {
 	uint8_t raw[16];
 };
 
-union dpcd_dsc_ext_capabilities {
+union dpcd_dsc_branch_decoder_capabilities {
 	struct {
 		uint8_t BRANCH_OVERALL_THROUGHPUT_0;
 		uint8_t BRANCH_OVERALL_THROUGHPUT_1;
@@ -737,7 +737,7 @@ union dpcd_dsc_ext_capabilities {
 
 struct dpcd_dsc_capabilities {
 	union dpcd_dsc_basic_capabilities dsc_basic_caps;
-	union dpcd_dsc_ext_capabilities dsc_ext_caps;
+	union dpcd_dsc_branch_decoder_capabilities dsc_branch_decoder_caps;
 };
 
 /* These parameters are from PSR capabilities reported by Sink DPCD */
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
index 0c7f247bb7de..8cdaa6eef5d3 100644
--- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
+++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
@@ -747,7 +747,7 @@ static bool setup_dsc_config(
 	return is_dsc_possible;
 }
 
-bool dc_dsc_parse_dsc_dpcd(const struct dc *dc, const uint8_t *dpcd_dsc_basic_data, const uint8_t *dpcd_dsc_ext_data, struct dsc_dec_dpcd_caps *dsc_sink_caps)
+bool dc_dsc_parse_dsc_dpcd(const struct dc *dc, const uint8_t *dpcd_dsc_basic_data, const uint8_t *dpcd_dsc_branch_decoder_caps, struct dsc_dec_dpcd_caps *dsc_sink_caps)
 {
 	if (!dpcd_dsc_basic_data)
 		return false;
@@ -818,14 +818,14 @@ bool dc_dsc_parse_dsc_dpcd(const struct dc *dc, const uint8_t *dpcd_dsc_basic_da
 	}
 
 	/* Extended caps */
-	if (dpcd_dsc_ext_data == NULL) { // Extended DPCD DSC data can be null, e.g. because it doesn't apply to SST
+	if (dpcd_dsc_branch_decoder_caps == NULL) { // branch decoder DPCD DSC data can be null for non branch device
 		dsc_sink_caps->branch_overall_throughput_0_mps = 0;
 		dsc_sink_caps->branch_overall_throughput_1_mps = 0;
 		dsc_sink_caps->branch_max_line_width = 0;
 		return true;
 	}
 
-	dsc_sink_caps->branch_overall_throughput_0_mps = dpcd_dsc_ext_data[DP_DSC_BRANCH_OVERALL_THROUGHPUT_0 - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0];
+	dsc_sink_caps->branch_overall_throughput_0_mps = dpcd_dsc_branch_decoder_caps[DP_DSC_BRANCH_OVERALL_THROUGHPUT_0 - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0];
 	if (dsc_sink_caps->branch_overall_throughput_0_mps == 0)
 		dsc_sink_caps->branch_overall_throughput_0_mps = 0;
 	else if (dsc_sink_caps->branch_overall_throughput_0_mps == 1)
@@ -835,7 +835,7 @@ bool dc_dsc_parse_dsc_dpcd(const struct dc *dc, const uint8_t *dpcd_dsc_basic_da
 		dsc_sink_caps->branch_overall_throughput_0_mps += 600;
 	}
 
-	dsc_sink_caps->branch_overall_throughput_1_mps = dpcd_dsc_ext_data[DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0];
+	dsc_sink_caps->branch_overall_throughput_1_mps = dpcd_dsc_branch_decoder_caps[DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0];
 	if (dsc_sink_caps->branch_overall_throughput_1_mps == 0)
 		dsc_sink_caps->branch_overall_throughput_1_mps = 0;
 	else if (dsc_sink_caps->branch_overall_throughput_1_mps == 1)
@@ -845,7 +845,7 @@ bool dc_dsc_parse_dsc_dpcd(const struct dc *dc, const uint8_t *dpcd_dsc_basic_da
 		dsc_sink_caps->branch_overall_throughput_1_mps += 600;
 	}
 
-	dsc_sink_caps->branch_max_line_width = dpcd_dsc_ext_data[DP_DSC_BRANCH_MAX_LINE_WIDTH - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0] * 320;
+	dsc_sink_caps->branch_max_line_width = dpcd_dsc_branch_decoder_caps[DP_DSC_BRANCH_MAX_LINE_WIDTH - DP_DSC_BRANCH_OVERALL_THROUGHPUT_0] * 320;
 	ASSERT(dsc_sink_caps->branch_max_line_width == 0 || dsc_sink_caps->branch_max_line_width >= 5120);
 
 	return true;
-- 
2.17.1

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