提交 5e6775ab 编写于 作者: M Michel Dänzer 提交者: Alex Deucher

drm/amdgpu/dce10: Re-set VBLANK interrupt state when enabling a CRTC

This doesn't seem strictly necessary with Tonga right now, but that might
change with future power management enhancements.
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NMichel Dänzer <michel.daenzer@amd.com>
上级 d84b272a
......@@ -2632,6 +2632,7 @@ static void dce_v10_0_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;
switch (mode) {
case DRM_MODE_DPMS_ON:
......@@ -2640,6 +2641,9 @@ static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
dce_v10_0_vga_enable(crtc, true);
amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
dce_v10_0_vga_enable(crtc, false);
/* Make sure VBLANK interrupt is still enabled */
type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id);
amdgpu_irq_update(adev, &adev->crtc_irq, type);
drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id);
dce_v10_0_crtc_load_lut(crtc);
break;
......
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