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authorMika Kuoppala <mika.kuoppala@linux.intel.com>2013-11-26 16:14:33 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-12-04 13:20:31 +0100
commitd299cce76e001406df40c4ff712b33fccbce1222 (patch)
treed54530b66eaf7f365f6418ad7d1aa82c27710db0 /drivers/gpu/drm/i915/i915_gem_execbuffer.c
parent70903c3ba8fa5ad391d1519c60666a389e4be597 (diff)
drm/i915: check context reset stats before relocations
Doing it early prevents moving and relocating objects in vain for contexts that won't get any GPU time. Reported-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c38
1 files 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 b800fe44953..9282b4c411f 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -884,6 +884,24 @@ 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)
@@ -963,8 +981,7 @@ 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;
@@ -1101,6 +1118,12 @@ 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);
if (eb == NULL) {
mutex_unlock(&dev->struct_mutex);
@@ -1153,17 +1176,6 @@ 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;