diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 5cd7b736a9de..5796539a0bcb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -25,6 +25,7 @@ #include <linux/acpi.h> #include <linux/slab.h> #include <linux/power_supply.h> +#include <linux/pm_runtime.h> #include <acpi/video.h> #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> @@ -333,6 +334,16 @@ int amdgpu_atif_handler(struct amdgpu_device *adev, #endif } } + if (req.pending & ATIF_DGPU_DISPLAY_EVENT) { + if ((adev->flags & AMD_IS_PX) && + amdgpu_atpx_dgpu_req_power_for_displays()) { + pm_runtime_get_sync(adev->ddev->dev); + /* Just fire off a uevent and let userspace tell us what to do */ + drm_helper_hpd_irq_event(adev->ddev); + pm_runtime_mark_last_busy(adev->ddev->dev); + pm_runtime_put_autosuspend(adev->ddev->dev); + } + } /* TODO: check other events */ /* We've handled the event, stop the notifier chain. The ACPI interface |