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authorAlex Deucher <alexander.deucher@amd.com>2014-03-12 15:15:58 -0400
committerAlex Deucher <alexander.deucher@amd.com>2014-03-12 15:53:24 -0400
commit7b1bbe883b3ed962ca2be4daf321f318f5091340 (patch)
tree74a3a9ef3df94cf6e6bdf11cc9cda21ebce3b4e8
parent7848865914c6a63ead674f0f5604b77df7d3874f (diff)
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op-kernel-dev-7b1bbe883b3ed962ca2be4daf321f318f5091340.tar.gz
drm/radeon/cik: properly set sdma 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
-rw-r--r--drivers/gpu/drm/radeon/cik_sdma.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index 1ecb3f1..5d7a5fa 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -264,6 +264,8 @@ static void cik_sdma_gfx_stop(struct radeon_device *rdev)
WREG32(SDMA0_GFX_RB_CNTL + reg_offset, rb_cntl);
WREG32(SDMA0_GFX_IB_CNTL + reg_offset, 0);
}
+ rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false;
+ rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready = false;
}
/**
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