> -----Original Message----- > From: Intel-gfx [mailto:intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf > Of Micha? Winiarski > Sent: Wednesday, September 9, 2015 10:07 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Ben Widawsky <ben@xxxxxxxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx; > mesa-dev@xxxxxxxxxxxxxxxxxxxxx > Subject: [RFC libdrm] intel: Add support for softpin > > Softpin allows userspace to take greater control of GPU virtual address > space and eliminates the need of relocations. It can also be used to > mirror addresses between GPU and CPU (shared virtual memory). > Calls to drm_intel_bo_emit_reloc are still required to build the list of > drm_i915_gem_exec_objects at exec time, but no entries in relocs are > created. Self-relocs don't make any sense for softpinned objects and can > indicate a programming errors, thus are forbidden. Softpinned objects > are marked by asterisk in debug dumps. > > Cc: Thomas Daniel <thomas.daniel@xxxxxxxxx> > Cc: Kristian Høgsberg <krh@xxxxxxxxxxxxx> > Cc: Zou Nanhai <nanhai.zou@xxxxxxxxx> > Cc: Michel Thierry <michel.thierry@xxxxxxxxx> > Cc: Ben Widawsky <ben@xxxxxxxxxxxx> > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> > --- > include/drm/i915_drm.h | 4 +- > intel/intel_bufmgr.c | 9 +++ > intel/intel_bufmgr.h | 1 + > intel/intel_bufmgr_gem.c | 176 > ++++++++++++++++++++++++++++++++++++++++------ > intel/intel_bufmgr_priv.h | 7 ++ > 5 files changed, 173 insertions(+), 24 deletions(-) Will anybody help to push the patch to libdrm? Beignet highly depend on this to implement ocl2.0 svm. Thanks! Ruiling _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
