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-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c4
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_resource.c37
-rw-r--r--drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c10
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/core_types.h2
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/resource.h4
5 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index e7dc128f6284..7f3e7c49a486 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3167,6 +3167,10 @@ static bool update_planes_and_stream_state(struct dc *dc,
if (otg_master && otg_master->stream->test_pattern.type != DP_TEST_PATTERN_VIDEO_MODE)
resource_build_test_pattern_params(&context->res_ctx, otg_master);
+
+ if (otg_master && (otg_master->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422 ||
+ otg_master->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420))
+ resource_build_subsampling_params(&context->res_ctx, otg_master);
}
}
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index ec4bf9432bdb..798e6f7fa4e3 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -828,6 +828,16 @@ static struct rect calculate_odm_slice_in_timing_active(struct pipe_ctx *pipe_ct
stream->timing.v_border_bottom +
stream->timing.v_border_top;
+ /* Recout for ODM slices after the first slice need one extra left edge pixel
+ * for 3-tap chroma subsampling.
+ */
+ if (odm_slice_idx > 0 &&
+ (pipe_ctx->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422 ||
+ pipe_ctx->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)) {
+ odm_rec.x -= 1;
+ odm_rec.width += 1;
+ }
+
return odm_rec;
}
@@ -1444,6 +1454,7 @@ void resource_build_test_pattern_params(struct resource_context *res_ctx,
enum controller_dp_test_pattern controller_test_pattern;
enum controller_dp_color_space controller_color_space;
enum dc_color_depth color_depth = otg_master->stream->timing.display_color_depth;
+ enum dc_pixel_encoding pixel_encoding = otg_master->stream->timing.pixel_encoding;
int h_active = otg_master->stream->timing.h_addressable +
otg_master->stream->timing.h_border_left +
otg_master->stream->timing.h_border_right;
@@ -1475,10 +1486,36 @@ void resource_build_test_pattern_params(struct resource_context *res_ctx,
else
params->width = last_odm_slice_width;
+ /* Extra left edge pixel is required for 3-tap chroma subsampling. */
+ if (i != 0 && (pixel_encoding == PIXEL_ENCODING_YCBCR422 ||
+ pixel_encoding == PIXEL_ENCODING_YCBCR420)) {
+ params->offset -= 1;
+ params->width += 1;
+ }
+
offset += odm_slice_width;
}
}
+void resource_build_subsampling_params(struct resource_context *res_ctx,
+ struct pipe_ctx *otg_master)
+{
+ struct pipe_ctx *opp_heads[MAX_PIPES];
+ int odm_cnt = 1;
+ int i;
+
+ odm_cnt = resource_get_opp_heads_for_otg_master(otg_master, res_ctx, opp_heads);
+
+ /* For ODM slices after the first slice, extra left edge pixel is required
+ * for 3-tap chroma subsampling.
+ */
+ if (otg_master->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422 ||
+ otg_master->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) {
+ for (i = 0; i < odm_cnt; i++)
+ opp_heads[i]->stream_res.left_edge_extra_pixel = (i == 0) ? false : true;
+ }
+}
+
bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx)
{
const struct dc_plane_state *plane_state = pipe_ctx->plane_state;
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
index 8b3536c380b8..4dfc2dff5e01 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
@@ -1579,6 +1579,11 @@ static void dcn20_detect_pipe_changes(struct dc_state *old_state,
if (old_pipe->stream_res.tg != new_pipe->stream_res.tg)
new_pipe->update_flags.bits.tg_changed = 1;
+ if (resource_is_pipe_type(new_pipe, OPP_HEAD)) {
+ if (old_pipe->stream_res.left_edge_extra_pixel != new_pipe->stream_res.left_edge_extra_pixel)
+ new_pipe->update_flags.bits.opp_changed = 1;
+ }
+
/*
* Detect mpcc blending changes, only dpp inst and opp matter here,
* mpccs getting removed/inserted update connected ones during their own
@@ -1962,6 +1967,11 @@ static void dcn20_program_pipe(
pipe_ctx->stream_res.opp,
&pipe_ctx->stream->bit_depth_params,
&pipe_ctx->stream->clamping);
+
+ if (resource_is_pipe_type(pipe_ctx, OPP_HEAD))
+ pipe_ctx->stream_res.opp->funcs->opp_program_left_edge_extra_pixel(
+ pipe_ctx->stream_res.opp,
+ pipe_ctx->stream_res.left_edge_extra_pixel);
}
/* Set ABM pipe after other pipe configurations done */
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index b1b72e688f74..e034cbb40620 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -333,6 +333,8 @@ struct stream_resource {
uint8_t gsl_group;
struct test_pattern_params test_pattern_params;
+
+ bool left_edge_extra_pixel;
};
struct plane_resource {
diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h b/drivers/gpu/drm/amd/display/dc/inc/resource.h
index 77a60aa9f27b..b14d52e52fa2 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/resource.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h
@@ -107,6 +107,10 @@ void resource_build_test_pattern_params(
struct resource_context *res_ctx,
struct pipe_ctx *pipe_ctx);
+void resource_build_subsampling_params(
+ struct resource_context *res_ctx,
+ struct pipe_ctx *pipe_ctx);
+
bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx);
enum dc_status resource_build_scaling_params_for_context(