diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_object_types.h')
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 51 |
1 files changed, 22 insertions, 29 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index 0dd107dcecc2..0098a32490f0 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -15,6 +15,7 @@ #include "i915_active.h" #include "i915_selftest.h" +#include "i915_vma_resource.h" struct drm_i915_gem_object; struct intel_fronbuffer; @@ -57,10 +58,26 @@ struct drm_i915_gem_object_ops { void (*put_pages)(struct drm_i915_gem_object *obj, struct sg_table *pages); int (*truncate)(struct drm_i915_gem_object *obj); - void (*writeback)(struct drm_i915_gem_object *obj); - int (*shrinker_release_pages)(struct drm_i915_gem_object *obj, - bool no_gpu_wait, - bool should_writeback); + /** + * shrink - Perform further backend specific actions to facilate + * shrinking. + * @obj: The gem object + * @flags: Extra flags to control shrinking behaviour in the backend + * + * Possible values for @flags: + * + * I915_GEM_OBJECT_SHRINK_WRITEBACK - Try to perform writeback of the + * backing pages, if supported. + * + * I915_GEM_OBJECT_SHRINK_NO_GPU_WAIT - Don't wait for the object to + * idle. Active objects can be considered later. The TTM backend for + * example might have aync migrations going on, which don't use any + * i915_vma to track the active GTT binding, and hence having an unbound + * object might not be enough. + */ +#define I915_GEM_OBJECT_SHRINK_WRITEBACK BIT(0) +#define I915_GEM_OBJECT_SHRINK_NO_GPU_WAIT BIT(1) + int (*shrink)(struct drm_i915_gem_object *obj, unsigned int flags); int (*pread)(struct drm_i915_gem_object *obj, const struct drm_i915_gem_pread *arg); @@ -551,31 +568,7 @@ struct drm_i915_gem_object { struct sg_table *pages; void *mapping; - struct i915_page_sizes { - /** - * The sg mask of the pages sg_table. i.e the mask of - * of the lengths for each sg entry. - */ - unsigned int phys; - - /** - * The gtt page sizes we are allowed to use given the - * sg mask and the supported page sizes. This will - * express the smallest unit we can use for the whole - * object, as well as the larger sizes we may be able - * 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_page_sizes page_sizes; I915_SELFTEST_DECLARE(unsigned int page_mask); |