/** * amdgpu_enable_vblank_kms - enable vblank interrupt * * @dev: drm dev pointer * @crtc: crtc to enable vblank interrupt for * * Enable the interrupt on the requested crtc (all asics). * Returns 0 on success, -EINVAL on failure. */ int amdgpu_enable_vblank_kms(struct drm_device *dev, int crtc) { struct amdgpu_device *adev = dev->dev_private; int idx = amdgpu_crtc_idx_to_irq_type(adev, crtc); return amdgpu_irq_get(adev, &adev->crtc_irq, idx); }
/** * amdgpu_disable_vblank_kms - disable vblank interrupt * * @dev: drm dev pointer * @pipe: crtc to disable vblank interrupt for * * Disable the interrupt on the requested crtc (all asics). */ void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe) { struct amdgpu_device *adev = dev->dev_private; int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe); amdgpu_irq_put(adev, &adev->crtc_irq, idx); }
static void dce_virtual_crtc_dpms(struct drm_crtc *crtc, int mode) { struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); unsigned type; if (amdgpu_sriov_vf(adev)) return; switch (mode) { case DRM_MODE_DPMS_ON: amdgpu_crtc->enabled = true; /* Make sure VBLANK interrupts are still enabled */ type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); amdgpu_irq_update(adev, &adev->crtc_irq, type); drm_crtc_vblank_on(crtc); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: drm_crtc_vblank_off(crtc); amdgpu_crtc->enabled = false; break; } }