[PATCH 10/31] drm/amd/display: skip phantom pipes when checking for pending flip

Jasdeep Dhillon jdhillon at amd.com
Thu Sep 22 00:18:00 UTC 2022


From: Aurabindo Pillai <aurabindo.pillai at amd.com>

[Why&How]
Phantom pipes are not programmed fully to hardware and hence we should
not expect a flip completion.

Reviewed-by: Alvin Lee <alvin.lee2 at amd.com>
Acked-by: Jasdeep Dhillon <jdhillon at amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 351888fe9b72..b5ad0bf4135a 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1201,7 +1201,7 @@ static void wait_for_no_pipes_pending(struct dc *dc, struct dc_state *context)
 		int count = 0;
 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
 
-		if (!pipe->plane_state)
+		if (!pipe->plane_state || pipe->stream->mall_stream_config.type == SUBVP_PHANTOM)
 			continue;
 
 		/* Timeout 100 ms */
-- 
2.25.1



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