drm/radeon/cik: properly set compute ring status on disable



When we disable the rings, set the status properly.  If
not other code pathes may try and use the rings which are
not functional at this point.

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

parent 07ae78c9

drivers/gpu/drm/radeon/cik.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -4134,8 +4134,11 @@ static void cik_cp_compute_enable(struct radeon_device *rdev, bool enable)
		{
		if (enable)
		WREG32(CP_MEC_CNTL, 0);
		else
		else {
		WREG32(CP_MEC_CNTL, (MEC_ME1_HALT \| MEC_ME2_HALT));
		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
		}
		udelay(50);
		}