diff options
Diffstat (limited to '0001-Revert-drm-amd-display-Update-NV1x-SR-latency-values.patch')
| -rw-r--r-- | 0001-Revert-drm-amd-display-Update-NV1x-SR-latency-values.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/0001-Revert-drm-amd-display-Update-NV1x-SR-latency-values.patch b/0001-Revert-drm-amd-display-Update-NV1x-SR-latency-values.patch new file mode 100644 index 000000000..36855bd99 --- /dev/null +++ b/0001-Revert-drm-amd-display-Update-NV1x-SR-latency-values.patch @@ -0,0 +1,38 @@ +From 910f1601addae3e430fc7d3cd589d7622c5df693 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Wed, 3 Feb 2021 14:03:50 -0500 +Subject: [PATCH] Revert "drm/amd/display: Update NV1x SR latency values" + +This reverts commit 4a3dea8932d3b1199680d2056dd91d31d94d70b7. + +This causes blank screens for some users. + +Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1388 +Cc: Alvin Lee <alvin.lee2@amd.com> +Cc: Jun Lei <Jun.Lei@amd.com> +Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> +Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Cc: stable@vger.kernel.org +--- + drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +index a0a4ab47a1c0..a2cbafab663c 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +@@ -297,8 +297,8 @@ static struct _vcs_dpi_soc_bounding_box_st dcn2_0_soc = { + }, + }, + .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, +-- +2.29.2 + |