diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 4c2016237d61..ca0eab343644 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -268,6 +268,11 @@ static inline u64 gen8_noncanonical_addr(u64 address) return address & GENMASK_ULL(GEN8_HIGH_ADDRESS_BIT, 0); } +static inline bool eb_use_cmdparser(const struct i915_execbuffer *eb) +{ + return eb->engine->needs_cmd_parser && eb->batch_len; +} + static int eb_create(struct i915_execbuffer *eb) { if (!(eb->args->flags & I915_EXEC_HANDLE_LUT)) { @@ -285,7 +290,7 @@ static int eb_create(struct i915_execbuffer *eb) * direct lookup. */ do { - unsigned int flags; + gfp_t flags; /* While we can still reduce the allocation size, don't * raise a warning and allow the allocation to fail. @@ -293,7 +298,7 @@ static int eb_create(struct i915_execbuffer *eb) * as possible to perform the allocation and warn * if it fails. */ - flags = GFP_TEMPORARY; + flags = GFP_KERNEL; if (size > 1) flags |= __GFP_NORETRY | __GFP_NOWARN; @@ -720,6 +725,7 @@ static int eb_lookup_vmas(struct i915_execbuffer *eb) goto err_obj; } + vma->open_count++; list_add(&lut->obj_link, &obj->lut_list); list_add(&lut->ctx_link, &eb->ctx->handles_list); lut->ctx = eb->ctx; @@ -1070,7 +1076,9 @@ static int __reloc_gpu_alloc(struct i915_execbuffer *eb, return PTR_ERR(obj); cmd = i915_gem_object_pin_map(obj, - cache->has_llc ? I915_MAP_WB : I915_MAP_WC); + cache->has_llc ? + I915_MAP_FORCE_WB : + I915_MAP_FORCE_WC); i915_gem_object_unpin_pages(obj); if (IS_ERR(cmd)) return PTR_ERR(cmd); @@ -1156,6 +1164,13 @@ static u32 *reloc_gpu(struct i915_execbuffer *eb, if (unlikely(!cache->rq)) { int err; + /* If we need to copy for the cmdparser, we will stall anyway */ + if (eb_use_cmdparser(eb)) + return ERR_PTR(-EWOULDBLOCK); + + if (!intel_engine_can_store_dword(eb->engine)) + return ERR_PTR(-ENODEV); + err = __reloc_gpu_alloc(eb, vma, len); if (unlikely(err)) return ERR_PTR(err); @@ -1180,9 +1195,7 @@ relocate_entry(struct i915_vma *vma, if (!eb->reloc_cache.vaddr && (DBG_FORCE_RELOC == FORCE_GPU_RELOC || - !reservation_object_test_signaled_rcu(vma->resv, true)) && - __intel_engine_can_store_dword(eb->reloc_cache.gen, - eb->engine->class)) { + !reservation_object_test_signaled_rcu(vma->resv, true))) { const unsigned int gen = eb->reloc_cache.gen; unsigned int len; u32 *batch; @@ -1512,7 +1525,7 @@ static int eb_copy_relocations(const struct i915_execbuffer *eb) urelocs = u64_to_user_ptr(eb->exec[i].relocs_ptr); size = nreloc * sizeof(*relocs); - relocs = kvmalloc_array(size, 1, GFP_TEMPORARY); + relocs = kvmalloc_array(size, 1, GFP_KERNEL); if (!relocs) { kvfree(relocs); err = -ENOMEM; @@ -1526,7 +1539,7 @@ static int eb_copy_relocations(const struct i915_execbuffer *eb) min_t(u64, BIT_ULL(31), size - copied); if (__copy_from_user((char *)relocs + copied, - (char *)urelocs + copied, + (char __user *)urelocs + copied, len)) { kvfree(relocs); err = -EFAULT; @@ -2074,7 +2087,7 @@ get_fence_array(struct drm_i915_gem_execbuffer2 *args, return ERR_PTR(-EFAULT); fences = kvmalloc_array(args->num_cliprects, sizeof(*fences), - __GFP_NOWARN | GFP_TEMPORARY); + __GFP_NOWARN | GFP_KERNEL); if (!fences) return ERR_PTR(-ENOMEM); @@ -2288,7 +2301,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, goto err_vma; } - if (eb.engine->needs_cmd_parser && eb.batch_len) { + if (eb_use_cmdparser(&eb)) { struct i915_vma *vma; vma = eb_parse(&eb, drm_is_current_master(file)); @@ -2460,9 +2473,9 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, /* Copy in the exec list from userland */ exec_list = kvmalloc_array(args->buffer_count, sizeof(*exec_list), - __GFP_NOWARN | GFP_TEMPORARY); + __GFP_NOWARN | GFP_KERNEL); exec2_list = kvmalloc_array(args->buffer_count + 1, sz, - __GFP_NOWARN | GFP_TEMPORARY); + __GFP_NOWARN | GFP_KERNEL); if (exec_list == NULL || exec2_list == NULL) { DRM_DEBUG("Failed to allocate exec list for %d buffers\n", args->buffer_count); @@ -2540,7 +2553,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data, /* Allocate an extra slot for use by the command parser */ exec2_list = kvmalloc_array(args->buffer_count + 1, sz, - __GFP_NOWARN | GFP_TEMPORARY); + __GFP_NOWARN | GFP_KERNEL); if (exec2_list == NULL) { DRM_DEBUG("Failed to allocate exec list for %d buffers\n", args->buffer_count); |