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a03fdcb186
linux/drivers/gpu/drm
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Archit Taneja a03fdcb186 drm: Add top level Kconfig option for DRM fbdev emulation 
Legacy fbdev emulation support via DRM is achieved through KMS FB helpers.
Most modesetting drivers enable provide fbdev emulation by default by
selecting KMS FB helpers. A few provide a separate Kconfig option for the
user to enable or disbale fbdev emulation.

Enabling fbdev emulation is finally a distro-level decision. Having a top
level Kconfig option for fbdev emulation helps by providing a uniform way
to enable/disable fbdev emulation for any modesetting driver. It also lets
us remove unnecessary driver specific Kconfig options that causes bloat.

With a top level Kconfig in place, we can stub out the fb helper functions
when not needed without breaking functionality. Having stub functions also
prevents drivers to require wrapping fb helper function calls with #ifdefs.

DRM_FBDEV_EMULATION defaults to y since many drivers enable fbdev
emulation by default and majority of distributions expect the fbdev
interface in the kernel.

Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-08-06 14:13:08 +02:00
..
amd drm/amdgpu: Use new drm_fb_helper functions 2015-08-06 14:13:06 +02:00
armada drm/armada: Use new drm_fb_helper functions 2015-08-06 14:12:56 +02:00
ast drm/ast: Use new drm_fb_helper functions 2015-08-06 14:12:57 +02:00
atmel-hlcdc drm/atomic: pass old crtc state to atomic_begin/flush. 2015-07-27 16:23:22 +02:00
bochs drm/bochs: Use new drm_fb_helper functions 2015-08-06 14:13:06 +02:00
bridge drm/exynos: atomic dpms support 2015-06-20 00:32:52 +09:00
cirrus drm/cirrus: Use new drm_fb_helper functions 2015-08-06 14:13:03 +02:00
exynos drm/exynos: Use new drm_fb_helper functions 2015-08-06 14:12:58 +02:00
gma500 drm/gma500: Use new drm_fb_helper functions 2015-08-06 14:12:59 +02:00
i2c Merge branch 'drm-tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-05-29 09:19:59 +10:00
i810
i915 drm/i915: Use new drm_fb_helper functions 2015-08-06 14:13:05 +02:00
imx drm/imx: tve: fix media bus format for VGA output 2015-07-10 11:02:47 +02:00
mga
mgag200 drm/mgag200: Use new drm_fb_helper functions 2015-08-06 14:13:04 +02:00
msm drm/msm: Use new drm_fb_helper functions 2015-08-06 14:12:58 +02:00
nouveau drm/nouveau: Use new drm_fb_helper functions 2015-08-06 14:13:05 +02:00
omapdrm drm/omap: Use new drm_fb_helper functions 2015-08-06 14:13:03 +02:00
panel drm/panel: simple: Add bus format for HannStar HSD100PXN1 2015-06-12 16:40:42 +02:00
qxl drm/qxl: Use new drm_fb_helper functions 2015-08-06 14:12:59 +02:00
r128
radeon drm/radeon: Use new drm_fb_helper functions 2015-08-06 14:13:04 +02:00
rcar-du drm/atomic: pass old crtc state to atomic_begin/flush. 2015-07-27 16:23:22 +02:00
rockchip drm/rockchip: Use new drm_fb_helper functions 2015-08-06 14:12:56 +02:00
savage
shmobile drm: Simplify drm_for_each_legacy_plane arguments 2015-07-22 16:25:45 +02:00
sis
sti drm/atomic: pass old crtc state to atomic_begin/flush. 2015-07-27 16:23:22 +02:00
tdfx
tegra drm/tegra: Use new drm_fb_helper functions 2015-08-06 14:12:57 +02:00
tilcdc drm/tilcdc: Add DRM_TILCDC_SLAVE_COMPAT for ti,tilcdc,slave binding support 2015-05-27 13:13:33 +03:00
ttm drivers: gpu: Drop unlikely before IS_ERR(_OR_NULL) 2015-08-06 14:13:07 +02:00
udl drm/udl: Use new drm_fb_helper functions 2015-08-06 14:13:00 +02:00
vgem drm/vgem: Set unique to "vgem" 2015-06-24 11:20:46 +10:00
via
virtio drm/virtio: Use new drm_fb_helper functions 2015-08-06 14:13:07 +02:00
vmwgfx drivers: gpu: Drop unlikely before IS_ERR(_OR_NULL) 2015-08-06 14:13:07 +02:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/atomic: Update legacy DPMS state during modesets, v3. 2015-07-27 16:23:29 +02:00
drm_atomic.c Merge tag 'topic/connector-locking-2015-07-23' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-07-24 14:30:29 +10:00
drm_auth.c
drm_bridge.c
drm_bufs.c
drm_cache.c drm: Avoid the double clflush on the last cache line in drm_clflush_virt_range() 2015-06-19 17:25:17 +02:00
drm_context.c drm: Convert drm_legacy_ctxbitmap_init to void return type 2015-07-02 17:00:48 +02:00
drm_crtc_helper.c drm: Make the connector dpms callback return a value, v2. 2015-07-27 16:23:28 +02:00
drm_crtc_internal.h
drm_crtc.c drm: Fixup locking WARNINGs in drm_mode_config_reset 2015-08-06 14:13:02 +02:00
drm_debugfs.c
drm_dma.c
drm_dp_helper.c
drm_dp_mst_topology.c drm/dp/mst: close deadlock in connector destruction. 2015-06-25 11:57:23 +10:00
drm_drv.c Merge tag 'topic/connector-locking-2015-07-23' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-07-24 14:30:29 +10:00
drm_edid_load.c
drm_edid.c drm: Roll out drm_for_each_connector more 2015-07-22 16:25:47 +02:00
drm_encoder_slave.c
drm_fb_cma_helper.c drm/fb_cma_helper: Use new drm_fb_helper functions 2015-08-06 14:13:00 +02:00
drm_fb_helper.c drm/fb-helper: Move drm_fb_helper_force_kernel_mode() inside #ifdef 2015-08-06 14:13:08 +02:00
drm_flip_work.c
drm_fops.c
drm_gem_cma_helper.c drm/cma-helper: Fix locking in drm_fb_cma_debugfs_show 2015-07-22 17:29:24 +02:00
drm_gem.c drm/gem: rip out drm vma accounting for gem mmaps 2015-07-14 12:18:45 +02:00
drm_global.c
drm_hashtab.c
drm_info.c
drm_internal.h
drm_ioc32.c Merge tag 'topic/drm-misc-2015-07-23' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-07-24 14:28:16 +10:00
drm_ioctl.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-06-26 13:18:51 -07:00
drm_irq.c drm: Fix warning with make xmldocs caused by drm_irq.c 2015-07-15 14:19:04 +02:00
drm_legacy.h drm: Convert drm_legacy_ctxbitmap_init to void return type 2015-07-02 17:00:48 +02:00
drm_lock.c drm: Reject DRI1 hw lock ioctl functions for kms drivers 2015-07-02 17:00:48 +02:00
drm_memory.c
drm_mipi_dsi.c
drm_mm.c drm: clean up drm_mm debugfs output 2015-05-29 09:17:57 +10:00
drm_modes.c
drm_modeset_lock.c drm: Remove __drm_modeset_lock_all 2015-08-06 14:13:02 +02:00
drm_of.c drm: Add modeset object iterators 2015-07-22 16:25:45 +02:00
drm_panel.c
drm_pci.c
drm_plane_helper.c drm/atomic: pass old crtc state to atomic_begin/flush. 2015-07-27 16:23:22 +02:00
drm_platform.c
drm_prime.c drm: prime: Document gem_prime_mmap 2015-06-19 17:50:05 +02:00
drm_probe_helper.c drm/probe-helper: Grab mode_config.mutex in poll_init/enable 2015-07-22 16:25:45 +02:00
drm_rect.c
drm_scatter.c
drm_sysfs.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-06-26 13:18:51 -07:00
drm_trace_points.c
drm_trace.h
drm_vm.c
drm_vma_manager.c
Kconfig drm: Add top level Kconfig option for DRM fbdev emulation 2015-08-06 14:13:08 +02:00
Makefile drm: Add top level Kconfig option for DRM fbdev emulation 2015-08-06 14:13:08 +02:00