diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 55 |
1 files changed, 30 insertions, 25 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 0d8c3fc6eace..353993218f21 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -364,7 +364,6 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev, struct acpi_bus_event *event) { struct amdgpu_atif *atif = adev->atif; - struct atif_sbios_requests req; int count; DRM_DEBUG_DRIVER("event, device_class = %s, type = %#x\n", @@ -379,42 +378,48 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev, /* Not our event */ return NOTIFY_DONE; - /* Check pending SBIOS requests */ - count = amdgpu_atif_get_sbios_requests(atif, &req); + if (atif->functions.sbios_requests) { + struct atif_sbios_requests req; - if (count <= 0) - return NOTIFY_DONE; + /* Check pending SBIOS requests */ + count = amdgpu_atif_get_sbios_requests(atif, &req); + + if (count <= 0) + return NOTIFY_DONE; - DRM_DEBUG_DRIVER("ATIF: %d pending SBIOS requests\n", count); + DRM_DEBUG_DRIVER("ATIF: %d pending SBIOS requests\n", count); - if (req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) { - struct amdgpu_encoder *enc = atif->encoder_for_bl; + /* 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) { - struct amdgpu_encoder_atom_dig *dig = enc->enc_priv; + if (enc) { + struct amdgpu_encoder_atom_dig *dig = enc->enc_priv; - DRM_DEBUG_DRIVER("Changing brightness to %d\n", - req.backlight_level); + DRM_DEBUG_DRIVER("Changing brightness to %d\n", + req.backlight_level); - amdgpu_display_backlight_set_level(adev, enc, req.backlight_level); + amdgpu_display_backlight_set_level(adev, enc, req.backlight_level); #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) - backlight_force_update(dig->bl_dev, - BACKLIGHT_UPDATE_HOTKEY); + backlight_force_update(dig->bl_dev, + BACKLIGHT_UPDATE_HOTKEY); #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); + 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 */ } - /* TODO: check other events */ /* We've handled the event, stop the notifier chain. The ACPI interface * overloads ACPI_VIDEO_NOTIFY_PROBE, we don't want to send that to |