From: Alex Deucher <alexander.deucher@xxxxxxx>
This register is needed for streamout to work properly.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
drivers/gpu/drm/radeon/si.c | 1 +
drivers/gpu/drm/radeon/sid.h | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index b0db712..4422d63 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 7d2a20e..a8871af 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
--
1.7.7.5
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