[Intel-gfx] [PATCH 0/1] drm/i915: Start disabling pread/pwrite ioctl's for future platforms

[Ashutosh Dixit]

The guidance for i915 at this time is to start phasing out pread/pwrite
ioctl's, the rationale being (a) the functionality can be done entirely in
userspace with a combination of mmap + memcpy, and (b) no existing user
mode clients actually use the pread/pwrite interface.

In this patch we disable these ioctls for dGfx platforms with the
expectation that this will be done for all future platforms (both discrete
and integrated). IGT changes which handle this kernel change have also been
submitted [1].

[1] https://patchwork.freedesktop.org/series/81384/

Test-with: 20210121083742.46592-1-ashutosh.dixit at intel.com

Signed-off-by: Ashutosh Dixit <ashutosh.dixit at intel.com>

Ashutosh Dixit (1):
  drm/i915: Start disabling pread/pwrite ioctl's for future platforms

 drivers/gpu/drm/i915/i915_drv.h          | 1 +
 drivers/gpu/drm/i915/i915_gem.c          | 6 ++++++
 drivers/gpu/drm/i915/i915_pci.c          | 3 ++-
 drivers/gpu/drm/i915/intel_device_info.h | 1 +
 4 files changed, 10 insertions(+), 1 deletion(-)

-- 
2.29.2