Doing it early prevents moving and relocating objects in vain
for contexts that won't get any GPU time.
Reported-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_execbuffer.c | 38 ++++++++++++++++++----------
1 file changed, 25 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 885d595..61c716d 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -885,6 +885,24 @@ validate_exec_list(struct drm_i915_gem_exec_object2 *exec,
return 0;
}
+static int
+i915_gem_validate_context(struct drm_device *dev, struct drm_file *file,
+ const u32 ctx_id)
+{
+ struct i915_ctx_hang_stats *hs;
+
+ hs = i915_gem_context_get_hang_stats(dev, file, ctx_id);
+ if (IS_ERR(hs))
+ return PTR_ERR(hs);
+
+ if (hs->banned) {
+ DRM_DEBUG("Context %u tried to submit while banned\n", ctx_id);
+ return -EIO;
+ }
+
+ return 0;
+}
+
static void
i915_gem_execbuffer_move_to_active(struct list_head *vmas,
struct intel_ring_buffer *ring)
@@ -964,8 +982,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
struct drm_i915_gem_object *batch_obj;
struct drm_clip_rect *cliprects = NULL;
struct intel_ring_buffer *ring;
- struct i915_ctx_hang_stats *hs;
- u32 ctx_id = i915_execbuffer2_get_context_id(*args);
+ const u32 ctx_id = i915_execbuffer2_get_context_id(*args);
u32 exec_start, exec_len;
u32 mask, flags;
int ret, mode, i;
@@ -1102,6 +1119,12 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
goto pre_mutex_err;
}
+ ret = i915_gem_validate_context(dev, file, ctx_id);
+ if (ret) {
+ mutex_unlock(&dev->struct_mutex);
+ goto pre_mutex_err;
+ }
+
eb = eb_create(args, vm);
if (eb == NULL) {
mutex_unlock(&dev->struct_mutex);
@@ -1154,17 +1177,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (ret)
goto err;
- hs = i915_gem_context_get_hang_stats(dev, file, ctx_id);
- if (IS_ERR(hs)) {
- ret = PTR_ERR(hs);
- goto err;
- }
-
- if (hs->banned) {
- ret = -EIO;
- goto err;
- }
-
ret = i915_switch_context(ring, file, ctx_id);
if (ret)
goto err;
--
1.7.9.5
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