From: Dillon Varone <dillon.varone@amd.com>
Date: Thu, 5 Dec 2024 22:33:06 +0000 (-0500)
Subject: drm/amd/display: Re-validate streams on commit_streams
X-Git-Tag: block-6.14-20240131~40^2~14^2~23
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=f9dfa31ff7aff4767d799ba9d29e8e1e9c25d48b;p=linux-block.git

drm/amd/display: Re-validate streams on commit_streams

To prevent invalid HW programming, streams should be revalidated first
before committing to HW.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 81f5996f2edb..dfa36368ae63 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -2153,6 +2153,11 @@ enum dc_status dc_commit_streams(struct dc *dc, struct dc_commit_streams_params
 		struct dc_stream_state *stream = params->streams[i];
 		struct dc_stream_status *status = dc_stream_get_status(stream);
 
+		/* revalidate streams */
+		res = dc_validate_stream(dc, stream);
+		if (res != DC_OK)
+			return res;
+
 		dc_stream_log(dc, stream);
 
 		set[i].stream = stream;