[RFC 0/6] drm: Add DRM_FBDEV_EMULATION Kconfig option

[Archit Taneja]

This provides a uniform interface to enable/disable legacy fbdev support for
modesetting drivers, based on the discussion here:

http://lists.freedesktop.org/archives/dri-devel/2015-March/078729.html

This has only been build-tested for a few devices. Mainly looking for comments
for now.

The drivers that provide fbdev emulation by default won't be impacted by
this. However, if we could make all drivers use DRM_FBDEV_EMULATION, it
would clean up individual Kconfigs, and have a centralized place where we
touch FB_* configs.

Archit Taneja (6):
  drm: Add top level Kconfig option for DRM fbdev emulation
  drm/msm: Remove local fbdev emulation Kconfig option
  drm/i915: Remove local fbdev emulation Kconfig option
  drm/tegra: Remove local fbdev emulation Kconfig option
  drm/imx: Remove local fbdev emulation Kconfig option
  drm/sti: Remove local fbdev emulation Kconfig option

 drivers/gpu/drm/Kconfig              |  18 ++++++
 drivers/gpu/drm/Makefile             |   4 ++
 drivers/gpu/drm/i915/Kconfig         |  15 -----
 drivers/gpu/drm/i915/Makefile        |   4 +-
 drivers/gpu/drm/i915/i915_debugfs.c  |   2 +-
 drivers/gpu/drm/i915/i915_drv.h      |   2 -
 drivers/gpu/drm/i915/intel_display.c |  10 ++-
 drivers/gpu/drm/i915/intel_dp_mst.c  |  14 ++--
 drivers/gpu/drm/i915/intel_drv.h     |   3 +-
 drivers/gpu/drm/i915/intel_fbdev.c   |   7 --
 drivers/gpu/drm/imx/Kconfig          |   9 ---
 drivers/gpu/drm/imx/imx-drm-core.c   |  10 +--
 drivers/gpu/drm/msm/Kconfig          |  14 ----
 drivers/gpu/drm/msm/Makefile         |   2 +-
 drivers/gpu/drm/msm/msm_drv.c        |   4 +-
 drivers/gpu/drm/sti/Kconfig          |   6 --
 drivers/gpu/drm/sti/sti_drm_drv.c    |   2 +-
 drivers/gpu/drm/tegra/Kconfig        |  12 ----
 drivers/gpu/drm/tegra/drm.c          |  15 +++--
 drivers/gpu/drm/tegra/drm.h          |   8 ---
 drivers/gpu/drm/tegra/fb.c           |  25 ++------
 include/drm/drm_fb_helper.h          | 120 +++++++++++++++++++++++++++++++++++
 22 files changed, 179 insertions(+), 127 deletions(-)

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