drm/radeon: don't reset sdma on CIK init



Otherwise we may lose the DMA golden settings which can
lead to hangs, etc.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

parent 31a25e2c

drivers/gpu/drm/radeon/cik_sdma.c

+0 −7

Original line number	Diff line number	Diff line
		@@ -489,13 +489,6 @@ int cik_sdma_resume(struct radeon_device *rdev)
		{
		int r;

		/* Reset dma */
		WREG32(SRBM_SOFT_RESET, SOFT_RESET_SDMA \| SOFT_RESET_SDMA1);
		RREG32(SRBM_SOFT_RESET);
		udelay(50);
		WREG32(SRBM_SOFT_RESET, 0);
		RREG32(SRBM_SOFT_RESET);

		r = cik_sdma_load_microcode(rdev);
		if (r)
		return r;