First take on i915_bdw driver

[Timo Aaltonen]

	Hi

So here is the first draft at a separate i915_bdw driver for Broadwell graphics in trusty kernel. Modeled after i915_hsw as found on quantal kernel, and adds some cherry-picks from 3.14 to make the backport easier.

It's based on current drm-intel-next branch, and it'll most likely get rebased before the kernel freeze on something closer to what the actual drm pull request for 3.15-rc1 will be. But this is here now for the initial review.

Tested on BDW and non-BDW so that they load the correct driver.


git://kernel.ubuntu.com/tjaalton/ubuntu-trusty.git i915-bdw

c98730dc706bd83 UBUNTU: SAUCE: i915_bdw: Add i915_bdw_gpu_*() calls for ubuntu/i915
7fcefc7b368d67a UBUNTU: SAUCE: i915_bdw: Only support Broadwell with ubuntu/i915 driver
a3d31f54beffdb1 UBUNTU: SAUCE: i915_bdw: Add DP_AUX and DP test sink CRC definitions
644101765acdddf drm: export cmdline and preferred mode functions from fb helper
f9b402b6b03999c drm: add DRM_INFO_ONCE() to print a one-time DRM_INFO() message
7345cf382e4bef5 UBUNTU: SAUCE: i915_bdw: Revert "ACPI / i915: replace open-coded _DSM 
2b8e96d1b236620 UBUNTU: SAUCE: i915_bdw: Add an include back to intel_opregion.c
4586122341471d7 drm: Move drm_encoder_crtc_ok() to core
94ff650767e6959 drm: provide a helper for the encoder possible_crtcs mask
c1c886161690c10 drm/i915: add i915_get_reset_stats_ioctl
9d39abbe15a7421 drm/i915: add i915_reset_count
de79c6ce7a83c1e drm: Pass 'flags' from the caller to .get_scanout_position()
ea95a9518c06a40 drm: Pass the display mode to drm_calc_vbltimestamp_from_scanoutpos()
01cb4fe9ae89b82 drm: Pass the display mode to drm_calc_timestamping_constants()
185a9c5b6ccb7b4 drm: expose subpixel order name routine v3
7a4b5deb15c3b41 UBUNTU: i915_bdw: [Config] Enable CONFIG_DRM_I915_BDW=m
be2cedc67c4f3e7 UBUNTU: SAUCE: i915_bdw: Update intel_ips.h file location
68665f3db2749eb UBUNTU: SAUCE: i915_bdw: Rename ubuntu/i915 driver to i915_bdw
fb2b8ff007dcda8 UBUNTU: SAUCE: i915_bdw: Provide an ubuntu/i915 driver for Broadwell graphics


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