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| 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/amdgpu_ih.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/amdgpu_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c index 901f8b12c672..30f16968b578 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c @@ -25,6 +25,7 @@ #include "amdgpu.h" #include "amdgpu_ih.h" +#include "amdgpu_reset.h" /** * amdgpu_ih_ring_init - initialize the IH state @@ -227,13 +228,23 @@ restart_ih: ih->rptr &= ih->ptr_mask; } - amdgpu_ih_set_rptr(adev, ih); + if (!ih->overflow) + amdgpu_ih_set_rptr(adev, ih); + wake_up_all(&ih->wait_process); /* make sure wptr hasn't changed while processing */ wptr = amdgpu_ih_get_wptr(adev, ih); if (wptr != ih->rptr) - goto restart_ih; + if (!ih->overflow) + goto restart_ih; + + if (ih->overflow) + if (amdgpu_sriov_runtime(adev)) + WARN_ONCE(!amdgpu_reset_domain_schedule(adev->reset_domain, + &adev->virt.flr_work), + "Failed to queue work! at %s", + __func__); return IRQ_HANDLED; } |