diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c index 1de2959b153c..dcdfc396f2f8 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c @@ -27,9 +27,10 @@ static int cpu_set(struct context *ctx, unsigned long offset, u32 v) u32 *cpu; int err; + i915_gem_object_lock(ctx->obj, NULL); err = i915_gem_object_prepare_write(ctx->obj, &needs_clflush); if (err) - return err; + goto out; page = i915_gem_object_get_page(ctx->obj, offset >> PAGE_SHIFT); map = kmap_atomic(page); @@ -46,7 +47,9 @@ static int cpu_set(struct context *ctx, unsigned long offset, u32 v) kunmap_atomic(map); i915_gem_object_finish_access(ctx->obj); - return 0; +out: + i915_gem_object_unlock(ctx->obj); + return err; } static int cpu_get(struct context *ctx, unsigned long offset, u32 *v) @@ -57,9 +60,10 @@ static int cpu_get(struct context *ctx, unsigned long offset, u32 *v) u32 *cpu; int err; + i915_gem_object_lock(ctx->obj, NULL); err = i915_gem_object_prepare_read(ctx->obj, &needs_clflush); if (err) - return err; + goto out; page = i915_gem_object_get_page(ctx->obj, offset >> PAGE_SHIFT); map = kmap_atomic(page); @@ -73,7 +77,9 @@ static int cpu_get(struct context *ctx, unsigned long offset, u32 *v) kunmap_atomic(map); i915_gem_object_finish_access(ctx->obj); - return 0; +out: + i915_gem_object_unlock(ctx->obj); + return err; } static int gtt_set(struct context *ctx, unsigned long offset, u32 v) |