Thread (776 messages) 776 messages, 1 author, 2021-03-02
STALE1920d REVIEWED: 1 (0M)

[PATCH 5.11 611/775] Revert "drm/amd/display: Update NV1x SR latency values"

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-03-02 05:53:54
Also in: lkml

From: Alex Deucher <alexander.deucher@amd.com>

commit 910f1601addae3e430fc7d3cd589d7622c5df693 upstream.

This reverts commit 4a3dea8932d3b1199680d2056dd91d31d94d70b7.

This causes blank screens for some users.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1388
Cc: Alvin Lee <redacted>
Cc: Jun Lei <Jun.Lei@amd.com>
Cc: Rodrigo Siqueira <redacted>
Reviewed-by: Rodrigo Siqueira <redacted>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -408,8 +408,8 @@ static struct _vcs_dpi_soc_bounding_box_
 			},
 		},
 	.num_states = 5,
-	.sr_exit_time_us = 11.6,
-	.sr_enter_plus_exit_time_us = 13.9,
+	.sr_exit_time_us = 8.6,
+	.sr_enter_plus_exit_time_us = 10.9,
 	.urgent_latency_us = 4.0,
 	.urgent_latency_pixel_data_only_us = 4.0,
 	.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,

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