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/linux/drivers/gpu/drm/i915/gem/
H A Di915_gem_userptr.cdiff ae30af84edb5b7cc95485922e43afd909a892e1b Tue Mar 23 16:50:00 CET 2021 Maarten Lankhorst <maarten.lankhorst@linux.intel.com> drm/i915: Disable userptr pread/pwrite support.

Userptr should not need the kernel for a userspace memcpy, userspace
needs to call memcpy directly.

Specifically, disable i915_gem_pwrite_ioctl() and i915_gem_pread_ioctl().

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210323155059.628690-12-maarten.lankhorst@linux.intel.com
/linux/drivers/gpu/drm/i915/
H A Di915_gem.cdiff dc2408d86e5ae88ec981e1315f95b7d4d15169fe Wed Jun 16 11:03:50 CEST 2021 Daniel Vetter <daniel.vetter@ffwll.ch> drm/i915/gem: Remove duplicated call to ops->pread

Between

commit ae30af84edb5b7cc95485922e43afd909a892e1b
Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date: Tue Mar 23 16:50:00 2021 +0100

drm/i915: Disable userptr pread/pwrite support.

and

commit 0049b688459b846f819b6e51c24cd0781fcfde41
Author: Matthew Auld <matthew.auld@intel.com>
Date: Thu Nov 5 15:49:33 2020 +0000

drm/i915/gem: Allow backends to override pread implementation

this accidentally landed twice.

Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210616090350.828696-1-daniel.vetter@ffwll.ch
diff ae30af84edb5b7cc95485922e43afd909a892e1b Tue Mar 23 16:50:00 CET 2021 Maarten Lankhorst <maarten.lankhorst@linux.intel.com> drm/i915: Disable userptr pread/pwrite support.

Userptr should not need the kernel for a userspace memcpy, userspace
needs to call memcpy directly.

Specifically, disable i915_gem_pwrite_ioctl() and i915_gem_pread_ioctl().

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210323155059.628690-12-maarten.lankhorst@linux.intel.com