diff options
| author | Victor Skvortsov <victor.skvortsov@amd.com> | 2024-08-02 14:22:26 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-08-16 14:27:50 -0400 |
| commit | 19cff16559a4f2d763faf4f8392bf86d3a21b93c (patch) | |
| tree | 926533fafbe068a7f28f4a159b115e4cac9f0ad9 /drivers/gpu/drm/amd | |
| parent | 96595204195d7e13736a84295e217316610d4cdb (diff) | |
drm/amdgpu: abort KIQ waits when there is a pending reset
Stop waiting for the KIQ to return back when there is a reset pending.
It's quite likely that the KIQ will never response.
Signed-off-by: Koenig Christian <Christian.Koenig@amd.com>
Suggested-by: Lazar Lijo <Lijo.Lazar@amd.com>
Tested-by: Victor Skvortsov <victor.skvortsov@amd.com>
Signed-off-by: Victor Skvortsov <victor.skvortsov@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index b49b3650fd62..17a19d49d30a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -786,7 +786,8 @@ void amdgpu_gmc_fw_reg_write_reg_wait(struct amdgpu_device *adev, goto failed_kiq; might_sleep(); - while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) { + while (r < 1 && cnt++ < MAX_KIQ_REG_TRY && + !amdgpu_reset_pending(adev->reset_domain)) { msleep(MAX_KIQ_REG_BAILOUT_INTERVAL); r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h index 4ae581f3fcb5..1cb920abc2fe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h @@ -136,6 +136,12 @@ static inline bool amdgpu_reset_domain_schedule(struct amdgpu_reset_domain *doma return queue_work(domain->wq, work); } +static inline bool amdgpu_reset_pending(struct amdgpu_reset_domain *domain) +{ + lockdep_assert_held(&domain->sem); + return rwsem_is_contended(&domain->sem); +} + void amdgpu_device_lock_reset_domain(struct amdgpu_reset_domain *reset_domain); void amdgpu_device_unlock_reset_domain(struct amdgpu_reset_domain *reset_domain); |