diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2021-01-08 23:40:26 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2021-01-09 00:35:57 +0300 |
| commit | 9b3a8f558ddf8bd406b89698bc62cbaabe098b68 (patch) | |
| tree | 5f87db1d1157178fd6098224cfd1602eb3804c73 /drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | |
| parent | 751f82b353a6bacde791be29812b0018fddc35a6 (diff) | |
| download | linux-9b3a8f558ddf8bd406b89698bc62cbaabe098b68.tar.xz | |
drm/i915/gt: Disable arbitration on no-preempt requests
If a request is submitted and known to require no preemption, disable
arbitration around the batch which prevents the HW from handling a
preemption request during the payload.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210108204026.20682-7-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index cf9a6b4eb913..b91b32195dcf 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -2534,6 +2534,9 @@ static int eb_submit(struct i915_execbuffer *eb, struct i915_vma *batch) { int err; + if (intel_context_nopreempt(eb->context)) + __set_bit(I915_FENCE_FLAG_NOPREEMPT, &eb->request->fence.flags); + err = eb_move_to_gpu(eb); if (err) return err; @@ -2574,9 +2577,6 @@ static int eb_submit(struct i915_execbuffer *eb, struct i915_vma *batch) return err; } - if (intel_context_nopreempt(eb->context)) - __set_bit(I915_FENCE_FLAG_NOPREEMPT, &eb->request->fence.flags); - return 0; } |