summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
diff options
context:
space:
mode:
authorChristian König <christian.koenig@amd.com>2019-02-27 14:54:23 +0100
committerAlex Deucher <alexander.deucher@amd.com>2019-03-19 15:36:58 -0500
commit0133690e0d080a12d65fb8845cf42d381e6175ab (patch)
treedffa8369c622a47e08a49d71a1e245278146b777 /drivers/gpu/drm/amd/amdgpu/vega10_ih.c
parent46846ba265583199ad84bcf6ec06443b098510ac (diff)
drm/amdgpu: change Vega IH ring 1 config
Disable overflow and enable full drain. This makes fault handling on ring 1 much more reliable since we don't generate back pressure any more. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vega10_ih.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vega10_ih.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
index 6d1f804277f8..d4a3cc413af8 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -203,6 +203,10 @@ 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,
+ WPTR_OVERFLOW_ENABLE, 0);
+ ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL,
+ RB_FULL_DRAIN_ENABLE, 1);
WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
/* set rptr, wptr to 0 */