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| author | Matthew Auld <matthew.auld@intel.com> | 2017-10-07 01:18:27 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-10-07 12:11:58 +0300 |
| commit | d9ec12f8e302731df6482d85a9c1f25b84a43de5 (patch) | |
| tree | c8772ad9d34efdb7556c588edb2bbcd7f5d1411a /drivers/gpu/drm/i915/i915_gem_object.h | |
| parent | 17a00cf73c31cca85531ec409508a2921c077851 (diff) | |
| download | linux-d9ec12f8e302731df6482d85a9c1f25b84a43de5.tar.xz | |
drm/i915: accurate page size tracking for the ppgtt
Now that we support multiple page sizes for the ppgtt, it would be
useful to track the real usage for debugging purposes.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171006145041.21673-16-matthew.auld@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171006221833.32439-15-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_object.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_object.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_object.h b/drivers/gpu/drm/i915/i915_gem_object.h index 110672952a1c..e4e6dd93889d 100644 --- a/drivers/gpu/drm/i915/i915_gem_object.h +++ b/drivers/gpu/drm/i915/i915_gem_object.h @@ -169,6 +169,7 @@ struct drm_i915_gem_object { struct sg_table *pages; void *mapping; + /* TODO: whack some of this into the error state */ struct i915_page_sizes { /** * The sg mask of the pages sg_table. i.e the mask of @@ -184,6 +185,15 @@ struct drm_i915_gem_object { * to use opportunistically. */ unsigned int sg; + + /** + * The actual gtt page size usage. Since we can have + * multiple vma associated with this object we need to + * prevent any trampling of state, hence a copy of this + * struct also lives in each vma, therefore the gtt + * value here should only be read/write through the vma. + */ + unsigned int gtt; } page_sizes; struct i915_gem_object_page_iter { |