diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_context.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_context.c | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index d1952637cd91..a6b0cb714292 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -489,6 +489,29 @@ static void __assign_ppgtt(struct i915_gem_context *ctx, i915_vm_put(vm); } +static void __set_timeline(struct intel_timeline **dst, + struct intel_timeline *src) +{ + struct intel_timeline *old = *dst; + + *dst = src ? intel_timeline_get(src) : NULL; + + if (old) + intel_timeline_put(old); +} + +static void __apply_timeline(struct intel_context *ce, void *timeline) +{ + __set_timeline(&ce->timeline, timeline); +} + +static void __assign_timeline(struct i915_gem_context *ctx, + struct intel_timeline *timeline) +{ + __set_timeline(&ctx->timeline, timeline); + context_apply_all(ctx, __apply_timeline, timeline); +} + static struct i915_gem_context * i915_gem_create_context(struct drm_i915_private *dev_priv, unsigned int flags) { @@ -531,7 +554,8 @@ i915_gem_create_context(struct drm_i915_private *dev_priv, unsigned int flags) return ERR_CAST(timeline); } - ctx->timeline = timeline; + __assign_timeline(ctx, timeline); + intel_timeline_put(timeline); } trace_i915_context_create(ctx); @@ -1931,13 +1955,8 @@ unlock: static int clone_timeline(struct i915_gem_context *dst, struct i915_gem_context *src) { - if (src->timeline) { - GEM_BUG_ON(src->timeline == dst->timeline); - - if (dst->timeline) - intel_timeline_put(dst->timeline); - dst->timeline = intel_timeline_get(src->timeline); - } + if (src->timeline) + __assign_timeline(dst, src->timeline); return 0; } |