From 987b96eb860036ab79051fb271f7fbdc01c9daf5 Mon Sep 17 00:00:00 2001
From: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Date: Tue, 18 Oct 2022 08:28:20 -0400
Subject: [PATCH] drm/amd/display: Handle virtual hardware detect
Git-commit: 987b96eb860036ab79051fb271f7fbdc01c9daf5
Patch-mainline: v6.2-rc1
References: git-fixes

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>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index b904b03cf94e..61b574b9e736 100644
--- 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;
 
-- 
2.43.0