drm/amdgpu/dce: fix mask in dce_v*_0_is_in_vblank

Using the wrong mask.
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Noticed-by: Hans de Ruiter <hans@keasigmadelta.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/dce_v10_0.c

@@ -193,7 +193,7 @@ static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
 static bool dce_v10_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
 {
 	if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
-			CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
+	    CRTC_STATUS__CRTC_V_BLANK_MASK)
 		return true;
 	else
 		return false;

drivers/gpu/drm/amd/amdgpu/dce_v11_0.c

@@ -210,7 +210,7 @@ static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
 static bool dce_v11_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
 {
 	if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
-			CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
+	    CRTC_STATUS__CRTC_V_BLANK_MASK)
 		return true;
 	else
 		return false;

drivers/gpu/drm/amd/amdgpu/dce_v8_0.c

@@ -143,7 +143,7 @@ static void dce_v8_0_audio_endpt_wreg(struct amdgpu_device *adev,
 static bool dce_v8_0_is_in_vblank(struct amdgpu_device *adev, int crtc)
 {
 	if (RREG32(mmCRTC_STATUS + crtc_offsets[crtc]) &
-			CRTC_V_BLANK_START_END__CRTC_V_BLANK_START_MASK)
+	    CRTC_STATUS__CRTC_V_BLANK_MASK)
 		return true;
 	else
 		return false;