[Intel-gfx] [PATCH 0/5] eDP improvements

[Paulo Zanoni]

Hi

2012/10/20 Daniel Vetter <daniel.vetter at ffwll.ch>:
> Hi all,
>
> This is useful fallout of my futile attempts at getting the eDP panel on my ivb
> working without the BIOS' help. I now at least get a backlit black screen though
> ;-)
>
> Paulo said that this is good enough for his hsw eDP machine already, and it
> definitely improves the code a bit and (hopefully) makes it a tad more robust.
>

Yes. With this series, the Kernel is able to enable the eDP panel even
when the BIOS does not enable it. A nice improvement!

Tested-by: Paulo Zanoni <paulo.r.zanoni at intel.com>

A few details:
- Due to the lack of more context lines, "git am" fails at properly
applying patch 02, so please make sure it compiles after you apply it
(the "int pipe" variable might be added to the wrong function)
- There's a small trivial conflict with patch 05 because dinq changed
since you submitted these.
- My Haswell eDP patches add another conflict, so I'm hoping you will
merge these before the actuall Haswell eDP patches.

> Comments, flames and test results highly welcome.
>
> Cheers, Daniel
>
> Daniel Vetter (5):
>   drm/i915: make edp panel power sequence setup more robust
>   drm/i915: enable/disable backlight for eDP
>   drm/i915/eDP: compute the panel power clock divisor from the pch
>     rawclock
>   drm/i915/dp: compute the pch dp aux divider from the rawclk
>   drm/i915: extract intel_dp_init_panel_power_sequencer
>
>  drivers/gpu/drm/i915/i915_reg.h      |   5 +
>  drivers/gpu/drm/i915/intel_display.c |  10 ++
>  drivers/gpu/drm/i915/intel_dp.c      | 177 ++++++++++++++++++++++++-----------
>  drivers/gpu/drm/i915/intel_drv.h     |   2 +
>  4 files changed, 138 insertions(+), 56 deletions(-)
>
> --
> 1.7.11.4
>
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-- 
Paulo Zanoni