[PATCH 00/13] video, drm: constify fbops in struct fb_info

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So I wanted to quickly move our struct fb_ops to const data because we
don't modify it... and this series is where the rabbit hole ends. Ugh.

The main pain point is deferred IO, which is covered in patch
1. Everything gets easier after that. The last 5 could be merged at
leisure.

BR,
Jani.


Jani Nikula (13):
  video: fb_defio: preserve user fb_ops
  drm/fb-helper: don't preserve fb_ops across deferred IO use
  video: smscufx: don't restore fb_mmap after deferred IO cleanup
  video: udlfb: don't restore fb_mmap after deferred IO cleanup
  video: fbdev: vesafb: modify the static fb_ops directly
  video: fbmem: use const pointer for fb_ops
  video: omapfb: use const pointer for fb_ops
  video: fbdev: make fbops member of struct fb_info a const pointer
  drm: constify fb ops across all drivers
  video: constify fb ops across all drivers
  HID: picoLCD: constify fb ops
  media: constify fb ops across all drivers
  samples: vfio-mdev: constify fb ops

 drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c        |  2 +-
 drivers/gpu/drm/armada/armada_fbdev.c         |  2 +-
 drivers/gpu/drm/drm_fb_helper.c               | 20 +++------------
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c     |  2 +-
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c |  2 +-
 drivers/gpu/drm/i915/display/intel_fbdev.c    |  2 +-
 drivers/gpu/drm/msm/msm_fbdev.c               |  2 +-
 drivers/gpu/drm/nouveau/nouveau_fbcon.c       |  4 +--
 drivers/gpu/drm/omapdrm/omap_fbdev.c          |  2 +-
 drivers/gpu/drm/radeon/radeon_fb.c            |  2 +-
 drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c |  2 +-
 drivers/gpu/drm/tegra/fb.c                    |  2 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_fb.c            |  2 +-
 drivers/hid/hid-picolcd_fb.c                  |  3 +--
 drivers/media/pci/ivtv/ivtvfb.c               |  3 +--
 drivers/media/platform/vivid/vivid-osd.c      |  1 -
 drivers/video/fbdev/68328fb.c                 |  2 +-
 drivers/video/fbdev/acornfb.c                 |  2 +-
 drivers/video/fbdev/amba-clcd.c               |  2 +-
 drivers/video/fbdev/amifb.c                   |  2 +-
 drivers/video/fbdev/arcfb.c                   |  2 +-
 drivers/video/fbdev/arkfb.c                   |  2 +-
 drivers/video/fbdev/asiliantfb.c              |  2 +-
 drivers/video/fbdev/atmel_lcdfb.c             |  2 +-
 drivers/video/fbdev/aty/aty128fb.c            |  2 +-
 drivers/video/fbdev/aty/atyfb_base.c          |  2 +-
 drivers/video/fbdev/aty/radeon_base.c         |  2 +-
 drivers/video/fbdev/au1100fb.c                |  2 +-
 drivers/video/fbdev/au1200fb.c                |  2 +-
 drivers/video/fbdev/broadsheetfb.c            |  2 +-
 drivers/video/fbdev/bw2.c                     |  2 +-
 drivers/video/fbdev/carminefb.c               |  2 +-
 drivers/video/fbdev/cg14.c                    |  2 +-
 drivers/video/fbdev/cg3.c                     |  2 +-
 drivers/video/fbdev/cg6.c                     |  2 +-
 drivers/video/fbdev/chipsfb.c                 |  2 +-
 drivers/video/fbdev/cirrusfb.c                |  2 +-
 drivers/video/fbdev/clps711x-fb.c             |  2 +-
 drivers/video/fbdev/cobalt_lcdfb.c            |  2 +-
 drivers/video/fbdev/controlfb.c               |  2 +-
 drivers/video/fbdev/core/fb_defio.c           | 25 ++++++++++++++++---
 drivers/video/fbdev/core/fbmem.c              |  6 ++---
 drivers/video/fbdev/cyber2000fb.c             |  2 +-
 drivers/video/fbdev/da8xx-fb.c                |  2 +-
 drivers/video/fbdev/dnfb.c                    |  2 +-
 drivers/video/fbdev/efifb.c                   |  2 +-
 drivers/video/fbdev/ep93xx-fb.c               |  2 +-
 drivers/video/fbdev/fb-puv3.c                 |  2 +-
 drivers/video/fbdev/ffb.c                     |  2 +-
 drivers/video/fbdev/fm2fb.c                   |  2 +-
 drivers/video/fbdev/fsl-diu-fb.c              |  2 +-
 drivers/video/fbdev/g364fb.c                  |  2 +-
 drivers/video/fbdev/gbefb.c                   |  2 +-
 drivers/video/fbdev/geode/gx1fb_core.c        |  2 +-
 drivers/video/fbdev/geode/gxfb_core.c         |  2 +-
 drivers/video/fbdev/geode/lxfb_core.c         |  2 +-
 drivers/video/fbdev/goldfishfb.c              |  2 +-
 drivers/video/fbdev/grvga.c                   |  2 +-
 drivers/video/fbdev/gxt4500.c                 |  2 +-
 drivers/video/fbdev/hecubafb.c                |  2 +-
 drivers/video/fbdev/hgafb.c                   |  2 +-
 drivers/video/fbdev/hitfb.c                   |  2 +-
 drivers/video/fbdev/hpfb.c                    |  2 +-
 drivers/video/fbdev/hyperv_fb.c               |  2 +-
 drivers/video/fbdev/i740fb.c                  |  2 +-
 drivers/video/fbdev/imsttfb.c                 |  2 +-
 drivers/video/fbdev/imxfb.c                   |  2 +-
 drivers/video/fbdev/intelfb/intelfbdrv.c      |  2 +-
 drivers/video/fbdev/kyro/fbdev.c              |  2 +-
 drivers/video/fbdev/leo.c                     |  2 +-
 drivers/video/fbdev/macfb.c                   |  2 +-
 drivers/video/fbdev/matrox/matroxfb_crtc2.c   |  2 +-
 drivers/video/fbdev/maxinefb.c                |  2 +-
 drivers/video/fbdev/mb862xx/mb862xxfbdrv.c    |  2 +-
 drivers/video/fbdev/mbx/mbxfb.c               |  2 +-
 drivers/video/fbdev/metronomefb.c             |  2 +-
 drivers/video/fbdev/mmp/fb/mmpfb.c            |  2 +-
 drivers/video/fbdev/mx3fb.c                   |  5 ++--
 drivers/video/fbdev/neofb.c                   |  2 +-
 drivers/video/fbdev/nvidia/nvidia.c           |  2 +-
 drivers/video/fbdev/ocfb.c                    |  2 +-
 drivers/video/fbdev/offb.c                    |  2 +-
 drivers/video/fbdev/omap/omapfb_main.c        |  2 +-
 .../video/fbdev/omap2/omapfb/omapfb-main.c    |  2 +-
 drivers/video/fbdev/p9100.c                   |  2 +-
 drivers/video/fbdev/platinumfb.c              |  2 +-
 drivers/video/fbdev/pm2fb.c                   |  2 +-
 drivers/video/fbdev/pm3fb.c                   |  2 +-
 drivers/video/fbdev/pmag-aa-fb.c              |  2 +-
 drivers/video/fbdev/pmag-ba-fb.c              |  2 +-
 drivers/video/fbdev/pmagb-b-fb.c              |  2 +-
 drivers/video/fbdev/ps3fb.c                   |  2 +-
 drivers/video/fbdev/pvr2fb.c                  |  2 +-
 drivers/video/fbdev/pxa168fb.c                |  2 +-
 drivers/video/fbdev/pxafb.c                   |  4 +--
 drivers/video/fbdev/q40fb.c                   |  2 +-
 drivers/video/fbdev/riva/fbdev.c              |  2 +-
 drivers/video/fbdev/s3c-fb.c                  |  2 +-
 drivers/video/fbdev/s3c2410fb.c               |  2 +-
 drivers/video/fbdev/s3fb.c                    |  2 +-
 drivers/video/fbdev/sa1100fb.c                |  2 +-
 drivers/video/fbdev/savage/savagefb_driver.c  |  2 +-
 drivers/video/fbdev/sh7760fb.c                |  2 +-
 drivers/video/fbdev/sh_mobile_lcdcfb.c        |  4 +--
 drivers/video/fbdev/simplefb.c                |  2 +-
 drivers/video/fbdev/sis/sis_main.c            |  2 +-
 drivers/video/fbdev/skeletonfb.c              |  2 +-
 drivers/video/fbdev/sm712fb.c                 |  2 +-
 drivers/video/fbdev/smscufx.c                 |  1 -
 drivers/video/fbdev/ssd1307fb.c               |  2 +-
 drivers/video/fbdev/sstfb.c                   |  2 +-
 drivers/video/fbdev/stifb.c                   |  2 +-
 drivers/video/fbdev/sunxvr1000.c              |  2 +-
 drivers/video/fbdev/sunxvr2500.c              |  2 +-
 drivers/video/fbdev/sunxvr500.c               |  2 +-
 drivers/video/fbdev/tcx.c                     |  2 +-
 drivers/video/fbdev/tdfxfb.c                  |  2 +-
 drivers/video/fbdev/tgafb.c                   |  2 +-
 drivers/video/fbdev/tmiofb.c                  |  2 +-
 drivers/video/fbdev/tridentfb.c               |  2 +-
 drivers/video/fbdev/udlfb.c                   |  1 -
 drivers/video/fbdev/uvesafb.c                 |  2 +-
 drivers/video/fbdev/valkyriefb.c              |  2 +-
 drivers/video/fbdev/vesafb.c                  |  6 ++---
 drivers/video/fbdev/vfb.c                     |  2 +-
 drivers/video/fbdev/vga16fb.c                 |  2 +-
 drivers/video/fbdev/vt8500lcdfb.c             |  2 +-
 drivers/video/fbdev/vt8623fb.c                |  2 +-
 drivers/video/fbdev/w100fb.c                  |  2 +-
 drivers/video/fbdev/wm8505fb.c                |  2 +-
 drivers/video/fbdev/xen-fbfront.c             |  2 +-
 drivers/video/fbdev/xilinxfb.c                |  2 +-
 include/linux/fb.h                            |  5 ++--
 samples/vfio-mdev/mdpy-fb.c                   |  2 +-
 134 files changed, 165 insertions(+), 163 deletions(-)

-- 
2.20.1

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