diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4989-drm-amdgpu-acpi-skip-backlight-events-for-DC.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4989-drm-amdgpu-acpi-skip-backlight-events-for-DC.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4989-drm-amdgpu-acpi-skip-backlight-events-for-DC.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4989-drm-amdgpu-acpi-skip-backlight-events-for-DC.patch new file mode 100644 index 00000000..82781288 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4989-drm-amdgpu-acpi-skip-backlight-events-for-DC.patch @@ -0,0 +1,31 @@ +From a2b4e24d7f9bb69d165395e4d367608d6acb765b Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Thu, 19 Jul 2018 09:28:23 -0500 +Subject: [PATCH 4989/5725] drm/amdgpu/acpi: skip backlight events for DC + +No change in behavior, just bail sooner. + +Reviewed-by: Jim Qu <Jim.Qu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +index 4556178..3539932 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +@@ -389,7 +389,9 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev, + + DRM_DEBUG_DRIVER("ATIF: %d pending SBIOS requests\n", count); + +- if (req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) { ++ /* todo: add DC handling */ ++ if ((req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) && ++ !amdgpu_device_has_dc_support(adev)) { + struct amdgpu_encoder *enc = atif->encoder_for_bl; + + if (enc) { +-- +2.7.4 + |