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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2020-08-19 16:08:54 +0200
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2020-09-07 14:31:13 +0300
commit47b086934f429561b3828a6b248e3406b5121939 (patch)
tree996fc9c65ded12583c26cf63feef1e2cb31f10c2 /drivers/gpu/drm/i915/i915_gem.c
parent3999a7087989af0bfb9406b77d3d8444031aab7d (diff)
drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin.
As a preparation step for full object locking and wait/wound handling during pin and object mapping, ensure that we always pass the ww context in i915_gem_execbuffer.c to i915_vma_pin, use lockdep to ensure this happens. This also requires changing the order of eb_parse slightly, to ensure we pass ww at a point where we could still handle -EDEADLK safely. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200819140904.1708856-15-maarten.lankhorst@linux.intel.com Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index f6615d942b60..bb0c12975f38 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -962,11 +962,10 @@ static void discard_ggtt_vma(struct i915_vma *vma)
}
struct i915_vma *
-i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
- const struct i915_ggtt_view *view,
- u64 size,
- u64 alignment,
- u64 flags)
+i915_gem_object_ggtt_pin_ww(struct drm_i915_gem_object *obj,
+ struct i915_gem_ww_ctx *ww,
+ const struct i915_ggtt_view *view,
+ u64 size, u64 alignment, u64 flags)
{
struct drm_i915_private *i915 = to_i915(obj->base.dev);
struct i915_ggtt *ggtt = &i915->ggtt;
@@ -1032,7 +1031,7 @@ new_vma:
return ERR_PTR(ret);
}
- ret = i915_vma_pin(vma, size, alignment, flags | PIN_GLOBAL);
+ ret = i915_vma_pin_ww(vma, ww, size, alignment, flags | PIN_GLOBAL);
if (ret)
return ERR_PTR(ret);