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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-11-19 14:25:15 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-11-19 18:12:46 +0300 |
| commit | 42d70253c20920cf3affca4a6fc13cddbc71ee06 (patch) | |
| tree | 511ea48d43975f410d7724d08cb547d0adf1c633 /drivers/gpu/drm/i915/gem/i915_gem_domain.c | |
| parent | a266bf42006004306dd48a9082c35dfbff153307 (diff) | |
| download | linux-42d70253c20920cf3affca4a6fc13cddbc71ee06.tar.xz | |
drm/i915/gem: Track ggtt writes from userspace on the bound vma
When userspace writes into the GTT itself, it is supposed to call
set-domain to let the kernel keep track and so manage the CPU/GPU
caches. As we track writes on the individual i915_vma, we should also be
sure to mark them as dirty.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191119112515.2766748-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_domain.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_domain.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c index e2af63af67ad..9aebcf263191 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c @@ -149,9 +149,17 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write) GEM_BUG_ON((obj->write_domain & ~I915_GEM_DOMAIN_GTT) != 0); obj->read_domains |= I915_GEM_DOMAIN_GTT; if (write) { + struct i915_vma *vma; + obj->read_domains = I915_GEM_DOMAIN_GTT; obj->write_domain = I915_GEM_DOMAIN_GTT; obj->mm.dirty = true; + + spin_lock(&obj->vma.lock); + for_each_ggtt_vma(vma, obj) + if (i915_vma_is_bound(vma, I915_VMA_GLOBAL_BIND)) + i915_vma_set_ggtt_write(vma); + spin_unlock(&obj->vma.lock); } i915_gem_object_unpin_pages(obj); |