[PATCH 22/43] drm/amd/display: Program pixclk according to dcn revision

Wayne Lin Wayne.Lin at amd.com
Tue Mar 12 09:20:15 UTC 2024


From: Dillon Varone <dillon.varone at amd.com>

[WHY&HOW]
Pixel clock programming should be built per dcn revision, not hardcoded to use
dcn20.

Reviewed-by: Chris Park <chris.park at amd.com>
Acked-by: Wayne Lin <wayne.lin at amd.com>
Signed-off-by: Dillon Varone <dillon.varone at amd.com>
---
 .../gpu/drm/amd/display/dc/resource/dcn20/dcn20_resource.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn20/dcn20_resource.c
index a2387cea1af9..d521fc65afe3 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn20/dcn20_resource.c
@@ -1282,8 +1282,13 @@ void dcn20_build_pipe_pix_clk_params(struct pipe_ctx *pipe_ctx)
 
 static enum dc_status build_pipe_hw_param(struct pipe_ctx *pipe_ctx)
 {
+	struct resource_pool *pool = pipe_ctx->stream->ctx->dc->res_pool;
 
-	dcn20_build_pipe_pix_clk_params(pipe_ctx);
+	if (pool->funcs->build_pipe_pix_clk_params) {
+		pool->funcs->build_pipe_pix_clk_params(pipe_ctx);
+	} else {
+		dcn20_build_pipe_pix_clk_params(pipe_ctx);
+	}
 
 	pipe_ctx->stream->clamping.pixel_encoding = pipe_ctx->stream->timing.pixel_encoding;
 
-- 
2.37.3



More information about the amd-gfx mailing list