diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma.h | 20 |
4 files changed, 26 insertions, 14 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 1117d2a44518..6fe08e7ef25f 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c @@ -200,17 +200,15 @@ static int gpu_set(struct context *ctx, unsigned long offset, u32 v) u32 *cs; int err; + vma = i915_gem_object_ggtt_pin(ctx->obj, NULL, 0, 0, 0); + if (IS_ERR(vma)) + return PTR_ERR(vma); + i915_gem_object_lock(ctx->obj, NULL); err = i915_gem_object_set_to_gtt_domain(ctx->obj, true); if (err) goto out_unlock; - vma = i915_gem_object_ggtt_pin(ctx->obj, NULL, 0, 0, 0); - if (IS_ERR(vma)) { - err = PTR_ERR(vma); - goto out_unlock; - } - rq = intel_engine_create_kernel_request(ctx->engine); if (IS_ERR(rq)) { err = PTR_ERR(rq); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 1e266c3bf039..caa7bedb564f 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -928,7 +928,11 @@ new_vma: return ERR_PTR(ret); } - ret = i915_vma_pin_ww(vma, ww, size, alignment, flags | PIN_GLOBAL); + if (ww) + ret = i915_vma_pin_ww(vma, ww, size, alignment, flags | PIN_GLOBAL); + else + ret = i915_vma_pin(vma, size, alignment, flags | PIN_GLOBAL); + if (ret) return ERR_PTR(ret); diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 4215714ae19c..6401299d421a 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -863,9 +863,7 @@ int i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww, int err; #ifdef CONFIG_PROVE_LOCKING - if (debug_locks && lockdep_is_held(&vma->vm->i915->drm.struct_mutex)) - WARN_ON(!ww); - if (debug_locks && ww && vma->resv) + if (debug_locks && !WARN_ON(!ww) && vma->resv) assert_vma_held(vma); #endif diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h index 6b48f5c42488..8df784a026d2 100644 --- a/drivers/gpu/drm/i915/i915_vma.h +++ b/drivers/gpu/drm/i915/i915_vma.h @@ -246,10 +246,22 @@ i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww, static inline int __must_check i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags) { -#ifdef CONFIG_LOCKDEP - WARN_ON_ONCE(vma->resv && dma_resv_held(vma->resv)); -#endif - return i915_vma_pin_ww(vma, NULL, size, alignment, flags); + struct i915_gem_ww_ctx ww; + int err; + + i915_gem_ww_ctx_init(&ww, true); +retry: + err = i915_gem_object_lock(vma->obj, &ww); + if (!err) + err = i915_vma_pin_ww(vma, &ww, size, alignment, flags); + if (err == -EDEADLK) { + err = i915_gem_ww_ctx_backoff(&ww); + if (!err) + goto retry; + } + i915_gem_ww_ctx_fini(&ww); + + return err; } int i915_ggtt_pin(struct i915_vma *vma, struct i915_gem_ww_ctx *ww, |