First take on i915_bdw driver

[Timo Aaltonen]

On 20.03.2014 04:21, Tim Gardner wrote:
> On 03/19/2014 11:50 AM, Timo Aaltonen wrote:
>>
>> 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
>>
>>
> 
> These commits are erroneously referred to as cherry-picks. I would
> prefer that you mention from which repository they were cherry-picked,
> and retitle the patch as 'UBUNTU: SAUCE' until they get merged upstream.

Indeed, some of these will be in 3.15:

> ac1bb36c4e28b53b3494bc8afbe6ffa0588bfe4a 'drm: expose subpixel order
> name routine v3'
>
> 2f1046f304b1ab14ea611a01b85f3486f2b9ce5b 'drm: export cmdline and
> preferred mode functions from fb helper'
>
> a25eebb0afb6d0bebdc86cb1e8e4a6f3dadf266c 'drm: dp helper: Add DP test
> sink CRC definition.'

but these two are from v3.14:

> 87930dd432406f2f118d9eb26b14cb73f4da2e47 'drm: provide a helper for the
> encoder possible_crtcs mask'
>
> a25d783ec99578d9ae0e91881c29cc4aa71f8676 'drm: Move
> drm_encoder_crtc_ok() to core'


I'll fix those and rebase this with drm-intel-next-queued, which has
more commits going into 3.15.

thanks!


-- 
t