[PATCH 0/6] drm/fbdev-generic: Mandatory shadow buffering

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After adding fbdev-dma and converting drivers, all users of
fbdev-generic require shadow buffering. Make it mandatory and
remove all other codepaths. This change greatly simplifies the
code for generic fbdev emulation. It will work with any driver
that supports GEM's vmap and vunmap.

The change further allows for a number of cleanups and fixes. The
flag prefer_shadow_fbdev is unused and to be removed. Probing in
fbdev-generic is now simple enough to roll back if it fails. Further
simplify the code for exporting the framebuffer's physical address.
Finally rename the symbols to follow other fbdev emulation.

Thomas Zimmermann (6):
  drm/fbdev-generic: Always use shadow buffering
  drm/fbdev-generic: Remove unused prefer_shadow_fbdev flag
  drm/fb-helper: Export drm_fb_helper_release_info()
  drm/fbdev-generic: Clean up after failed probing
  drm/fb-helper: Consolidate CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM
  drm/fbdev-generic: Rename symbols

 drivers/gpu/drm/drm_fb_helper.c     |  55 +++---
 drivers/gpu/drm/drm_fbdev_dma.c     |   9 +-
 drivers/gpu/drm/drm_fbdev_generic.c | 280 +++++++++-------------------
 drivers/gpu/drm/tiny/bochs.c        |   1 -
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c |   1 -
 include/drm/drm_fb_helper.h         |  14 +-
 include/drm/drm_mode_config.h       |   7 -
 7 files changed, 125 insertions(+), 242 deletions(-)

base-commit: ec0708e846b819c8d5b642de42448a87d7526564

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