drm/radeon/kms: set SX_MISC in the r6xx blit code (v2)

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

v2: also update the r7xx code

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/r600_blit_shaders.c b/drivers/gpu/drm/radeon/r600_blit_shaders.c
index 2d1f6c5..73e2c7c 100644 (file)
--- a/drivers/gpu/drm/radeon/r600_blit_shaders.c
+++ b/drivers/gpu/drm/radeon/r600_blit_shaders.c
@@ -313,6 +313,10 @@ const u32 r6xx_default_state[] =
        0x00000000, /* VGT_REUSE_OFF */
        0x00000000, /* VGT_VTX_CNT_EN */
 
+       0xc0016900,
+       0x000000d4,
+       0x00000000, /* SX_MISC */
+
        0xc0016900,
        0x000002c8,
        0x00000000, /* VGT_STRMOUT_BUFFER_EN */
@@ -625,6 +629,10 @@ const u32 r7xx_default_state[] =
        0x00000000, /* VGT_REUSE_OFF */
        0x00000000, /* VGT_VTX_CNT_EN */
 
+       0xc0016900,
+       0x000000d4,
+       0x00000000, /* SX_MISC */
+
        0xc0016900,
        0x000002c8,
        0x00000000, /* VGT_STRMOUT_BUFFER_EN */