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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-07-21 15:32:30 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-07-27 10:38:47 +0300 |
| commit | 77b25a972b5d4ed93b8a86d3e383ec2092fd89b1 (patch) | |
| tree | 2f92c0d44f24804ca12d067300df19d7d5474cea /drivers/gpu/drm/i915/i915_gem_context.c | |
| parent | ed454f2cd61a54d00c267e385c0600bae0761833 (diff) | |
| download | linux-77b25a972b5d4ed93b8a86d3e383ec2092fd89b1.tar.xz | |
drm/i915: Make i915_gem_context_mark_guilty() safe for unlocked updates
Since we make call i915_gem_context_mark_guilty() concurrently when
resetting different engines in parallel, we need to make sure that our
updates are safe for the unlocked access.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170721123238.16428-12-chris@chris-wilson.co.uk
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_context.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 1a87d04e7937..ed91ac8ca832 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -977,7 +977,7 @@ int i915_gem_switch_to_kernel_context(struct drm_i915_private *dev_priv) static bool client_is_banned(struct drm_i915_file_private *file_priv) { - return file_priv->context_bans > I915_MAX_CLIENT_CONTEXT_BANS; + return atomic_read(&file_priv->context_bans) > I915_MAX_CLIENT_CONTEXT_BANS; } int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, @@ -1179,8 +1179,8 @@ int i915_gem_context_reset_stats_ioctl(struct drm_device *dev, else args->reset_count = 0; - args->batch_active = READ_ONCE(ctx->guilty_count); - args->batch_pending = READ_ONCE(ctx->active_count); + args->batch_active = atomic_read(&ctx->guilty_count); + args->batch_pending = atomic_read(&ctx->active_count); ret = 0; out: |