diff options
| author | Emily Deng <Emily.Deng@amd.com> | 2025-04-08 15:25:43 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-04-21 17:55:51 +0300 |
| commit | 5ae4591f4ea51519934a14aac537a28f348a8a56 (patch) | |
| tree | e66f5f34c7b96a2f51eda8acab3f4ce060525e64 /drivers/gpu/drm/amd/amdgpu/ih_v6_0.c | |
| parent | fb20954c9717d1d07d8b8b8f34ac2a2755aec5ff (diff) | |
| download | linux-5ae4591f4ea51519934a14aac537a28f348a8a56.tar.xz | |
drm/amdgpu: Clear overflow for SRIOV
For VF, it doesn't have the permission to clear overflow, clear the bit
by reset.
Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ih_v6_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/ih_v6_0.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c index eb4185dcbd1d..5900b560b7de 100644 --- a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c @@ -349,6 +349,7 @@ static int ih_v6_0_irq_init(struct amdgpu_device *adev) if (ret) return ret; } + ih[i]->overflow = false; } /* update doorbell range for ih ring 0 */ @@ -446,7 +447,10 @@ static u32 ih_v6_0_get_wptr(struct amdgpu_device *adev, wptr = RREG32_NO_KIQ(ih_regs->ih_rb_wptr); if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) goto out; - wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0); + if (!amdgpu_sriov_vf(adev)) + wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0); + else + ih->overflow = true; /* When a ring buffer overflow happen start parsing interrupt * from the last not overwritten vector (wptr + 32). Hopefully |