diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1270-drm-amdgpu-Set-DPM_FLAG_NEVER_SKIP-when-enabling-PM-.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1270-drm-amdgpu-Set-DPM_FLAG_NEVER_SKIP-when-enabling-PM-.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1270-drm-amdgpu-Set-DPM_FLAG_NEVER_SKIP-when-enabling-PM-.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1270-drm-amdgpu-Set-DPM_FLAG_NEVER_SKIP-when-enabling-PM-.patch new file mode 100644 index 00000000..db1f7711 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1270-drm-amdgpu-Set-DPM_FLAG_NEVER_SKIP-when-enabling-PM-.patch @@ -0,0 +1,36 @@ +From 0231e470b3dff703333c4a7cc94c240c9b4eb197 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Mon, 18 Feb 2019 17:11:38 -0500 +Subject: [PATCH 1270/2940] drm/amdgpu: Set DPM_FLAG_NEVER_SKIP when enabling + PM-runtime + +Based on a similar patch from Rafael for radeon. + +When using ATPX to control dGPU power, the state is not retained +across suspend and resume cycles by default. This can probably +be loosened for Hybrid Graphics (_PR3) laptops where I think the +state is properly retained. + +Fixes: c62ec4610c40 ("PM / core: Fix direct_complete handling for devices with no callbacks") +Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> +Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +index 39a7873f2fca..75dd9885c65d 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +@@ -209,6 +209,7 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) + } + + if (amdgpu_device_is_px(dev)) { ++ dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NEVER_SKIP); + pm_runtime_use_autosuspend(dev->dev); + pm_runtime_set_autosuspend_delay(dev->dev, 5000); + pm_runtime_set_active(dev->dev); +-- +2.17.1 + |