drm/radeon: clean up evergreen_get_vblank_counter

Use the new offset array rather than open coding it.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 0c79d9e..585c117 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2345,22 +2345,10 @@ int evergreen_asic_reset(struct radeon_device *rdev)
 
 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
 {
-       switch (crtc) {
-       case 0:
-               return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
-       case 1:
-               return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
-       case 2:
-               return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
-       case 3:
-               return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
-       case 4:
-               return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
-       case 5:
-               return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
-       default:
+       if (crtc >= rdev->num_crtc)
                return 0;
-       }
+       else
+               return RREG32(CRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
 }
 
 void evergreen_disable_interrupt_state(struct radeon_device *rdev)