diff options
| author | John Harrison <John.C.Harrison@Intel.com> | 2021-07-26 17:23:31 -0700 |
|---|---|---|
| committer | John Harrison <John.C.Harrison@Intel.com> | 2021-07-27 17:31:57 -0700 |
| commit | d75dc57fee98294944f14069fd686b451754627d (patch) | |
| tree | a5291244baaa3d97672c98d178f57e74606e8c5b /drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | |
| parent | 6de12da166783285c911c177d29e5db7dbafbb98 (diff) | |
| download | linux-d75dc57fee98294944f14069fd686b451754627d.tar.bz2 | |
drm/i915/guc: Don't complain about reset races
It is impossible to seal all race conditions of resets occurring
concurrent to other operations. At least, not without introducing
excesive mutex locking. Instead, don't complain if it occurs. In
particular, don't complain if trying to send a H2G during a reset.
Whatever the H2G was about should get redone once the reset is over.
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210727002348.97202-17-matthew.brost@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c index 18917b443f05..22b4733b55e2 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c @@ -760,7 +760,10 @@ int intel_guc_ct_send(struct intel_guc_ct *ct, const u32 *action, u32 len, int ret; if (unlikely(!ct->enabled)) { - WARN(1, "Unexpected send: action=%#x\n", *action); + struct intel_guc *guc = ct_to_guc(ct); + struct intel_uc *uc = container_of(guc, struct intel_uc, guc); + + WARN(!uc->reset_in_progress, "Unexpected send: action=%#x\n", *action); return -ENODEV; } |