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

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

From: Alex Deucher <[email protected]>

commit 860fe2f05fa2eacac84368e23547ec8cf3cc6652 upstream.

These regs were being wronly rejected leading to rendering
issues.

fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=56876

Signed-off-by: Alex Deucher <[email protected]>
Reviewed-by: Michel Dänzer <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/gpu/drm/radeon/evergreen_cs.c |    3 +++
 drivers/gpu/drm/radeon/evergreend.h   |    4 ++++
 2 files changed, 7 insertions(+)

--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -2671,6 +2671,9 @@ static bool evergreen_vm_reg_valid(u32 r
        /* check config regs */
        switch (reg) {
        case GRBM_GFX_INDEX:
+       case CP_STRMOUT_CNTL:
+       case CP_COHER_CNTL:
+       case CP_COHER_SIZE:
        case VGT_VTX_VECT_EJECT_REG:
        case VGT_CACHE_INVALIDATION:
        case VGT_GS_VERTEX_REUSE:
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -77,6 +77,10 @@
 
 #define        CONFIG_MEMSIZE                                  0x5428
 
+#define        CP_STRMOUT_CNTL                                 0x84FC
+
+#define        CP_COHER_CNTL                                   0x85F0
+#define        CP_COHER_SIZE                                   0x85F4
 #define        CP_COHER_BASE                                   0x85F8
 #define CP_ME_CNTL                                     0x86D8
 #define                CP_ME_HALT                                      (1 << 
28)


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