diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-08-16 11:52:05 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-08-18 13:57:13 +0300 |
| commit | 8bcbfb12818f811d63801b71d25809690d1798fc (patch) | |
| tree | 530b7c882fc4cbba06f77f2f102d79545f73026d /drivers/gpu/drm | |
| parent | f2f5c0610fbc251b127a6fffda6c651288695430 (diff) | |
| download | linux-8bcbfb12818f811d63801b71d25809690d1798fc.tar.xz | |
drm/i915: Check context status before looking up our obj/vma
Since we keep the context around across the slow lookup where we may
drop the struct_mutex, we should double check that the context is still
valid upon reacquisition.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170816085210.4199-2-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 359d5dc6d8df..044fb1205554 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -679,13 +679,6 @@ static int eb_select_context(struct i915_execbuffer *eb) if (unlikely(!ctx)) return -ENOENT; - if (unlikely(i915_gem_context_is_banned(ctx))) { - DRM_DEBUG("Context %u tried to submit while banned\n", - ctx->user_handle); - i915_gem_context_put(ctx); - return -EIO; - } - eb->ctx = ctx; eb->vm = ctx->ppgtt ? &ctx->ppgtt->base : &eb->i915->ggtt.base; @@ -707,6 +700,12 @@ static int eb_lookup_vmas(struct i915_execbuffer *eb) int slow_pass = -1; int err; + if (unlikely(i915_gem_context_is_closed(eb->ctx))) + return -ENOENT; + + if (unlikely(i915_gem_context_is_banned(eb->ctx))) + return -EIO; + INIT_LIST_HEAD(&eb->relocs); INIT_LIST_HEAD(&eb->unbound); |