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path: root/drivers/gpu/drm/i915/i915_gem_execbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 92437f455b43..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)) {
@@ -1159,6 +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);
@@ -1183,9 +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;
@@ -2291,7 +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));