diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5179-drm-amdgpu-display-disable-eDP-fast-boot-optimizatio.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5179-drm-amdgpu-display-disable-eDP-fast-boot-optimizatio.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5179-drm-amdgpu-display-disable-eDP-fast-boot-optimizatio.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5179-drm-amdgpu-display-disable-eDP-fast-boot-optimizatio.patch new file mode 100644 index 00000000..420a9d75 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5179-drm-amdgpu-display-disable-eDP-fast-boot-optimizatio.patch @@ -0,0 +1,37 @@ +From e24afc5217e39de550f266f4ee4f7e777749c553 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Thu, 16 Aug 2018 15:35:21 -0500 +Subject: [PATCH 5179/5725] drm/amdgpu/display: disable eDP fast boot + optimization on DCE8 + +Seems to cause blank screens. + +Bug: https://bugs.freedesktop.org/show_bug.cgi?id=106940 +Reviewed-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 8 +++++++- + 1 file changed, 7 insertions(+), 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 3b4a9f9..2fa8d04 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 +@@ -1562,7 +1562,13 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) + bool can_eDP_fast_boot_optimize = false; + + if (edp_link) { +- can_eDP_fast_boot_optimize = ++ /* this seems to cause blank screens on DCE8 */ ++ if ((dc->ctx->dce_version == DCE_VERSION_8_0) || ++ (dc->ctx->dce_version == DCE_VERSION_8_1) || ++ (dc->ctx->dce_version == DCE_VERSION_8_3)) ++ can_eDP_fast_boot_optimize = false; ++ else ++ can_eDP_fast_boot_optimize = + edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc); + } + +-- +2.7.4 + |