drm/radeon/kms: fix cayman acceleration
authorAlex Deucher <alexdeucher@gmail.com>
Tue, 10 May 2011 02:14:52 +0000 (02:14 +0000)
committerDave Airlie <airlied@redhat.com>
Wed, 11 May 2011 03:06:56 +0000 (13:06 +1000)
The TCC disable setup was incorrect.  This
prevents the GPU from hanging when draw commands
are issued.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/ni.c

index e9e45eac6a03afa8273dc6f80674fc008161e038..3d8a7634bbe99ade0344aeb2061bc5f3ac183757 100644 (file)
@@ -674,7 +674,7 @@ static void cayman_gpu_init(struct radeon_device *rdev)
 
        cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE);
        cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
-       cgts_tcc_disable = RREG32(CGTS_TCC_DISABLE);
+       cgts_tcc_disable = 0xff000000;
        gc_user_rb_backend_disable = RREG32(GC_USER_RB_BACKEND_DISABLE);
        gc_user_shader_pipe_config = RREG32(GC_USER_SHADER_PIPE_CONFIG);
        cgts_user_tcc_disable = RREG32(CGTS_USER_TCC_DISABLE);