3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Marek Olšák <[email protected]>

commit cf00790dea6f210ddd01a6656da58c7c9a4ea0e4 upstream.

Mesa may set it to 1, causing all primitives to be killed.

v2: also update the r7xx code

Signed-off-by: Marek Olšák <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/gpu/drm/radeon/r600_blit_shaders.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/drivers/gpu/drm/radeon/r600_blit_shaders.c
+++ b/drivers/gpu/drm/radeon/r600_blit_shaders.c
@@ -314,6 +314,10 @@ const u32 r6xx_default_state[] =
        0x00000000, /* VGT_VTX_CNT_EN */
 
        0xc0016900,
+       0x000000d4,
+       0x00000000, /* SX_MISC */
+
+       0xc0016900,
        0x000002c8,
        0x00000000, /* VGT_STRMOUT_BUFFER_EN */
 
@@ -626,6 +630,10 @@ const u32 r7xx_default_state[] =
        0x00000000, /* VGT_VTX_CNT_EN */
 
        0xc0016900,
+       0x000000d4,
+       0x00000000, /* SX_MISC */
+
+       0xc0016900,
        0x000002c8,
        0x00000000, /* VGT_STRMOUT_BUFFER_EN */
 


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