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From f0bad617ba038e6d8aae9a474728920e46ed9ded Mon Sep 17 00:00:00 2001
From: Eric Yang <eric.yang2@amd.com>
Date: Thu, 31 Mar 2016 16:02:38 -0400
Subject: [PATCH 0996/1110] drm/amd/dal: Fix the typo in apply_ctx_to_hw reset
logic
This fixes intermittent black screen on hotpluging second
display on linux
Signed-off-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c
index e5cb1aa..df52740 100644
--- a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c
@@ -1194,7 +1194,7 @@ static enum dc_status apply_ctx_to_hw(
* since bios does optimization and doesn't apply if changing
* PHY when not already disabled.
*/
- if (pipe_ctx_old->stream && pipe_ctx_old->stream != pipe_ctx->stream)
+ if (pipe_ctx_old->stream && !pipe_ctx->stream)
reset_single_pipe_hw_ctx(
dc, pipe_ctx_old, &dc->current_context);
else if (pipe_ctx_old->clock_source != pipe_ctx->clock_source)
--
2.7.4
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