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drm/amd/display: Don't allocate DET for phantom pipes

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[Why & How]
We should not allocate any DET for the phantom pipes.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alvin Lee 2022-09-08 11:08:25 -04:00 committed by Alex Deucher
parent c1143ca2d5
commit 2447ba5bee
1 changed files with 11 additions and 1 deletions
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12
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
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@ -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