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| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2013-11-26 16:14:33 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-12-04 13:20:31 +0100 |
| commit | d299cce76e001406df40c4ff712b33fccbce1222 (patch) | |
| tree | d54530b66eaf7f365f6418ad7d1aa82c27710db0 /drivers/gpu/drm/i915/i915_gem_execbuffer.c | |
| parent | 70903c3ba8fa5ad391d1519c60666a389e4be597 (diff) | |
| download | lwn-d299cce76e001406df40c4ff712b33fccbce1222.tar.gz lwn-d299cce76e001406df40c4ff712b33fccbce1222.zip | |
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.c | 38 |
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 b800fe449530..9282b4c411f6 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; |