On Sun, Dec 13, 2015 at 7:17 PM, Song, Ruiling <ruiling.song@xxxxxxxxx> wrote: >> -----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. Is the kernel patch upstream? > Thanks! > Ruiling > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
