Re: [PATCH 0/4] drm/i915/dg2: Add support for render/media decompression

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On Mon, Apr 11, 2022 at 04:38:16PM +0300, Jani Nikula wrote:
> On Mon, 11 Apr 2022, Imre Deak <imre.deak@xxxxxxxxx> wrote:
> > Hi Rodrigo, Jani,
> 
> TL;DR, all done, for details read on. ;)
> 
> > On Mon, Apr 04, 2022 at 04:38:42PM +0300, Imre Deak wrote:
> >> This is a rebased version of patches 15-17 of [1], adding DG2 display
> >> engine support for decompressing render and media compressed
> >> framebuffers.
> >> 
> >> The dependency patches from [1] should be merged already to drm-tip.
> >> 
> >> It addresses the review comments on the modifier layout description from
> >> Nanley, updates the commit logs vs. flat CCS and Tile4 and splits out
> >> the changes adding the modifiers to drm_fourcc.h to separate patches.
> >> 
> >> [1] https://patchwork.freedesktop.org/series/95686/
> >> 
> >> Cc: Anshuman Gupta <anshuman.gupta@xxxxxxxxx>
> >> Cc: Ramalingam C <ramalingam.c@xxxxxxxxx>
> >> Cc: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx>
> >> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
> >> Cc: Mika Kahola <mika.kahola@xxxxxxxxx>
> >> Cc: Juha-Pekka Heikkilä <juha-pekka.heikkila@xxxxxxxxx>
> >> Cc: Nanley Chery <nanley.g.chery@xxxxxxxxx>
> >
> > I'd like to push this patchset to drm-intel-next, but it depends on
> > https://patchwork.freedesktop.org/patch/475167/?series=100419&rev=1
> 
> Please reference commits, looking that up is just an extra step for me.
> 
> > which is only in drm-intel-gt-next. According to Joonas, this should be
> > resolved by backmerging drm-intel-gt-next to drm-intel-next, could you
> > help with this?
> 
> To set the record straight, we don't crossmerge drm-intel-gt-next to
> drm-intel-next. The other direction is possible. These are the valid
> merges:
> 
> drm-intel-next -> drm-next		feature pull
> drm-intel-gt-next -> drm-next		feature pull
> drm-next -> drm-intel-next		backmerge
> drm-next -> drm-intel-gt-next		backmerge
> drm-intel-next -> drm-intel-gt-next	crossmerge
> topic/* -> *				topic merge
> 
> Anyway, drm-intel-gt-next with the commit in question 5e3094cfd9fb
> ("drm/i915/xehpsdv: Add has_flat_ccs to device info") has already been
> merged to drm-next and -rc1. I've done a backmerge and pushed it out.
> 
> Because we don't do drm-intel-gt-next -> drm-intel-next crossmerges, it
> might be better to apply things like feature flags to drm-intel-next,
> because the route from gt back to drm-intel-next is longer.
> 
> I might be prudent to trigger a retest with the new baseline before
> merging.

Ok thanks for the explanation, resent the patchset now for retesting.

> BR,
> Jani.
> 
> >
> >> Anshuman Gupta (1):
> >>   drm/i915/dg2: Add support for DG2 clear color compression
> >> 
> >> Matt Roper (2):
> >>   drm/fourcc: Introduce format modifiers for DG2 render and media
> >>     compression
> >>   drm/i915/dg2: Add support for DG2 render and media compression
> >> 
> >> Mika Kahola (1):
> >>   drm/fourcc: Introduce format modifier for DG2 clear color
> >> 
> >>  drivers/gpu/drm/i915/display/intel_display.c  |  4 +-
> >>  drivers/gpu/drm/i915/display/intel_fb.c       | 53 +++++++++++++++----
> >>  .../drm/i915/display/skl_universal_plane.c    | 49 +++++++++++++----
> >>  include/uapi/drm/drm_fourcc.h                 | 36 +++++++++++++
> >>  4 files changed, 122 insertions(+), 20 deletions(-)
> >> 
> >> -- 
> >> 2.30.2
> >> 
> 
> -- 
> Jani Nikula, Intel Open Source Graphics Center



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