From: Alvin Lee <Alvin.Lee2@xxxxxxx>
[Why & How]
We should not allocate any DET for the phantom pipes.
Reviewed-by: Jun Lei <Jun.Lei@xxxxxxx>
Acked-by: Wayne Lin <wayne.lin@xxxxxxx>
Signed-off-by: Alvin Lee <Alvin.Lee2@xxxxxxx>
---
.../amd/display/dc/dcn32/dcn32_resource_helpers.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
index 14787e0f0b6e..5490b3705b41 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
@@ -271,10 +271,20 @@ void dcn32_determine_det_override(struct dc *dc,
struct dc_plane_state *current_plane = NULL;
struct pipe_ctx *next_odm_pipe = NULL;
struct pipe_ctx *bottom_pipe = NULL;
+ uint8_t stream_count = 0;
+
+ for (i = 0; i < context->stream_count; i++) {
+ /* Don't count SubVP streams for DET allocation */
+ if (context->streams[i]->mall_stream_config.type != SUBVP_PHANTOM) {
+ stream_count++;
+ }
+ }
if (context->stream_count > 0) {
- stream_segments = 18 / context->stream_count;
+ stream_segments = 18 / stream_count;
for (i = 0; i < context->stream_count; i++) {
+ if (context->streams[i]->mall_stream_config.type == SUBVP_PHANTOM)
+ continue;
if (context->stream_status[i].plane_count > 0)
plane_segments = stream_segments / context->stream_status[i].plane_count;
else
--
2.37.3
