[Intel-gfx] [PATCH 0/9] SKL/KBL watermark fixes, v2

[Jani Nikula]

On Wed, 14 Sep 2016, "Zanoni, Paulo R" <paulo.r.zanoni at intel.com> wrote:
> Em Qua, 2016-09-14 às 12:34 +0300, Jani Nikula escreveu:
>> On Wed, 14 Sep 2016, Paulo Zanoni <paulo.r.zanoni at intel.com> wrote:
>> > 
>> > Hi
>> > 
>> > Here's the series with the reviews implemented. There's a new
>> > patch,
>> > based on the additional issue spotted by Lyude.
>> 
>> There's a bunch of cc: stable patches mixed with non cc: stable
>> patches
>> in the series. Do the cc: stable fixes work and backport cleanly
>> without
>> the the other non cc: stable patches? If not, can you arrange the
>> series
>> to not depend on the other patches?
>
> Yeah, my bad. I was just pasting the output of "dim fixes" without
> considering this aspect. I think the best thing is probably to backport
> everything to stable and hope it works, considering the current
> complaints we're seeing about screen flickering on SKL. Agree?

The short answer, agreed.

This probably needs actual backporting, i.e. doesn't cherry-pick
cleanly, and it could probably use some testing too. What happens if the
stable folks manage to cherry-pick some but not all the patches cleanly?

BR,
Jani.



>
> I suppose I don't need to resend the series just for these new tags.
> I'll add them when it's time to merge.
>
>> 
>> BR,
>> Jani.
>> 
>> 
>> > 
>> > 
>> > Thanks for all the reviews,
>> > Paulo
>> > 
>> > Paulo Zanoni (9):
>> >   drm/i915: SAGV is not SKL-only, so rename a few things
>> >   drm/i915: introduce intel_has_sagv()
>> >   drm/i915/kbl: KBL also needs to run the SAGV code
>> >   drm/i915/gen9: fix the WaWmMemoryReadLatency implementation
>> >   drm/i915/gen9: minimum scanlines for Y tile is not always 4
>> >   drm/i915/gen9: fix plane_blocks_per_line on watermarks
>> > calculations
>> >   drm/i915/gen9: fix the watermark res_blocks value
>> >   drm/i915/gen9: implement missing case for SKL watermarks
>> > calculation
>> >   drm/i915/gen9: fail the modeset instead of WARNing on unsuported
>> >     config
>> > 
>> >  drivers/gpu/drm/i915/i915_drv.h      |  10 +-
>> >  drivers/gpu/drm/i915/intel_display.c |   9 +-
>> >  drivers/gpu/drm/i915/intel_drv.h     |   6 +-
>> >  drivers/gpu/drm/i915/intel_pm.c      | 186 ++++++++++++++++++++---
>> > ------------
>> >  4 files changed, 118 insertions(+), 93 deletions(-)
>> 

-- 
Jani Nikula, Intel Open Source Technology Center