drm/amd/display: Handle virtual hardware detect

If virtual hardware is detected, there is no reason to run the full
dc_commit_streams process, and DC can return true immediately.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Co-developed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@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 b904b03..61b574b 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1912,6 +1912,9 @@ enum dc_status dc_commit_streams(struct dc *dc,
        enum dc_status res = DC_OK;
        struct dc_validation_set set[MAX_STREAMS] = {0};
 
+       if (dc->ctx->dce_environment == DCE_ENV_VIRTUAL_HW)
+               return res;
+
        if (!streams_changed(dc, streams, stream_count))
                return res;