[PATCH] drm/amdgpu: enable mcbp by default on gfx9 chips

[jiadong.zhu at amd.com]

From: Jiadong Zhu <Jiadong.Zhu at amd.com>

Gfx9 is using software rings which would trigger mcbp in some cases.
Thus the parameter amdgpu_mcbp shall be enabled by default.

Signed-off-by: Jiadong Zhu <Jiadong.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 65577eca58f1..1b3cfda946f9 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4527,6 +4527,7 @@ static int gfx_v9_0_early_init(void *handle)
 	adev->gfx.xcc_mask = 1;
 	adev->gfx.num_compute_rings = min(amdgpu_gfx_get_num_kcq(adev),
 					  AMDGPU_MAX_COMPUTE_RINGS);
+	amdgpu_mcbp = 1;
 	gfx_v9_0_set_kiq_pm4_funcs(adev);
 	gfx_v9_0_set_ring_funcs(adev);
 	gfx_v9_0_set_irq_funcs(adev);
-- 
2.25.1