[PATCH 10/10] drm/amdgpu: disable IH ring 1 & 2 WPTR overflow on Vega10

[Christian König]

That should add back pressure on the client.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
index 4a753e40a837..b65515e6dff9 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -205,6 +205,8 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev)
 
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
 		ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl);
+		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
+					   WPTR_OVERFLOW_ENABLE, 0);
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
 
 		/* set rptr, wptr to 0 */
@@ -220,6 +222,8 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev)
 
 		ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
 		ih_rb_cntl = vega10_ih_rb_cntl(ih, ih_rb_cntl);
+		ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
+					   WPTR_OVERFLOW_ENABLE, 0);
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
 
 		/* set rptr, wptr to 0 */
-- 
2.17.1