Extend the API to return the mappable aperture size directly in the I915_GEM_GET_APERTURE IOCTL.
Signed-off-by: Antonio Argenziano <[email protected]> Cc: Matthew Auld <[email protected]> Cc: Daniele Ceraolo Spurio <[email protected]> Cc: Chris Wilson <[email protected]> --- drivers/gpu/drm/i915/i915_gem.c | 2 ++ include/uapi/drm/i915_drm.h | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0b23cf3be718..d109f6dbe992 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -221,6 +221,8 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data, args->aper_size = ggtt->vm.total; args->aper_available_size = args->aper_size - pinned; + args->mappable_aperture_size = ggtt->mappable_end; + return 0; } diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index aa2d4c73a97d..bcab66664579 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -1284,6 +1284,11 @@ struct drm_i915_gem_get_aperture { * bytes */ __u64 aper_available_size; + + /** + * Total size of the mappable aperture. + */ + __u64 mappable_aperture_size; }; struct drm_i915_get_pipe_from_crtc_id { -- 2.20.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
