[PATCH] drm/amd/display: change FIFO reset condition to embedded display only

Liu, Charlene Charlene.Liu at amd.com
Wed Jan 19 22:45:13 UTC 2022


-----Original Message-----
From: Liu, Zhan <Zhan.Liu at amd.com> 
Sent: Wednesday, January 19, 2022 5:22 PM
To: amd-gfx at lists.freedesktop.org
Cc: Liu, Charlene <Charlene.Liu at amd.com>; Cornij, Nikola <Nikola.Cornij at amd.com>; Gutierrez, Agustin <Agustin.Gutierrez at amd.com>; Kotarac, Pavle <Pavle.Kotarac at amd.com>; Pierre-Loup Griffais <pgriffais at valvesoftware.com>
Subject: [PATCH] drm/amd/display: change FIFO reset condition to embedded display only


FIFO reset is only necessary for fast boot sequence, where otg is disabled and dig fe is enabled when changing dispclk. Fast boot is only enabled on embedded displays.

Change FIFO reset condition to "embedded display only".

Signed-off-by: Zhan Liu <zhan.liu at amd.com>
Reviewed-by: Charlene Liu <charlene.liu at amd.com>
 drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index f1593186e964..f3ff141b706a 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1608,7 +1608,7 @@ static enum dc_status apply_single_controller_ctx_to_hw(

-       if (dc_is_dp_signal(pipe_ctx->stream->signal) &&
+       if (dc_is_embedded_signal(pipe_ctx->stream->signal) &&

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