From: Jack Xiao <[email protected]>

max fifo size is 128 and PA_SC_FIFO_SIZE[20:15]=SC_HIZ_TILE_FIFO_SIZE
field is programmed in units of two entries, but 6 bits is insufficient
to hold value 128/2 = 64, so set this field as 0 which is interpreted by
the hardware as maximum physical fifo size(128).

Signed-off-by: Xiaojie Yuan <[email protected]>
Signed-off-by: Jack Xiao <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Reviewed-by: Jack Xiao <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 05d25a6f80c2..4c40f3c65168 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -1089,7 +1089,7 @@ static void gfx_v10_0_gpu_early_init(struct amdgpu_device 
*adev)
                adev->gfx.config.max_hw_contexts = 8;
                adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
                adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
-               adev->gfx.config.sc_hiz_tile_fifo_size = 0x80;
+               adev->gfx.config.sc_hiz_tile_fifo_size = 0x0;
                adev->gfx.config.sc_earlyz_tile_fifo_size = 0x4C0;
                gb_addr_config = RREG32_SOC15(GC, 0, mmGB_ADDR_CONFIG);
                break;
-- 
2.20.1

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