drm/radeon/si: add some missing regs to the VM reg checker

This register is needed for streamout to work properly.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

2 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index b0db712060fb..4422d630b33b 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2474,6 +2474,7 @@ static bool si_vm_reg_valid(u32 reg)
         /* check config regs */
         switch (reg) {
         case GRBM_GFX_INDEX:
+        case CP_STRMOUT_CNTL:
         case VGT_VTX_VECT_EJECT_REG:
         case VGT_CACHE_INVALIDATION:
         case VGT_ESGS_RING_SIZE:
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index 7d2a20e56577..a8871afc5b4e 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -424,6 +424,7 @@
 #       define RDERR_INT_ENABLE                         (1 << 0)
 #       define GUI_IDLE_INT_ENABLE                      (1 << 19)
 
+#define CP_STRMOUT_CNTL                                 0x84FC
 #define SCRATCH_REG0                                    0x8500
 #define SCRATCH_REG1                                    0x8504
 #define SCRATCH_REG2                                    0x8508