Commit f069dc1d authored Jul 29, 2014 by Michel Dänzer Committed by Alex Deucher Aug 05, 2014

drm/radeon/cik: Read back SDMA WPTR register after writing it



For symmetry with other *_set_wptr hooks.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 810b73d1

drivers/gpu/drm/radeon/cik_sdma.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -119,6 +119,7 @@ void cik_sdma_set_wptr(struct radeon_device *rdev,
		reg = SDMA0_GFX_RB_WPTR + SDMA1_REGISTER_OFFSET;

		WREG32(reg, (ring->wptr << 2) & 0x3fffc);
		(void)RREG32(reg);
		}

		/**