From: Mika Kahola <mika.kahola@intel.com>
To: Daniel Stone <daniel@fooishbar.org>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
Ben Widawsky <ben@bwidawsk.net>
Subject: Re: [PATCH 08/12] drm/i915: Add CCS capability for sprites
Date: Mon, 11 Dec 2017 14:08:36 +0200 [thread overview]
Message-ID: <1512994116.6882.80.camel@intel.com> (raw)
In-Reply-To: <CAPj87rMSeXsUZCkndTwf+ebjLamMraU=G4NbtY9Wx=iP9_JuKQ@mail.gmail.com>
On Mon, 2017-12-11 at 12:00 +0000, Daniel Stone wrote:
> Hi Mika,
>
> On 11 December 2017 at 11:11, Mika Kahola <mika.kahola@intel.com>
> wrote:
> >
> > On Thu, 2017-08-24 at 22:10 +0300, ville.syrjala@linux.intel.com
> > wrote:
> > >
> > > Allow sprites to scan out compressed framebuffers.
> > >
> > > Since different platforms have a different set of planes that
> > > support CCS let's add a small helper to determine whether a
> > > specific plane supports CCS or not. Currently that information
> > > is spread around in many places, and not all the pieces of
> > > code even agree with each other.
> > >
> > > In addition to allowing sprites to scan out compressed fbs,
> > > the other fix here is that we stop rejecting them on pipe C
> > > on CNL.
> > Unfortunately, this patch didn't apply cleanly on top of the latest
> > drm-tip. Overall, the patch looks good to me.
> Did you manage to test this? When I tried, the DDB/watermark
> allocation was too conservative for sprites, and never allowed enough
> blocks to be able to use anything but linear or X-tiled on sprite
> planes. The allocation was almost entirely taken up by the primary
> plane, even if that itself was later set to linear or X-tiled.
I tried to test this but unfortunately this didn't apply on top of drm-
tip. The whole series dates back to August so a lot have changed since
then.
I would need this patch for my CNL work so I would like to see this
merged.
>
> I observed this on SKL with both 3200x1800 and 2560x1440 output sizes
> (and primary plane sizes; no scaling), as well as APL with 1920x1080.
>
> Cheers,
> Daniel
--
Mika Kahola - Intel OTC
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next prev parent reply other threads:[~2017-12-11 12:10 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-24 19:10 [PATCH 00/12] drm/i915: Fix up the CCS code ville.syrjala
2017-08-24 19:10 ` [PATCH 01/12] drm/i915: Treat fb->offsets[] as a raw byte offset instead of a linear offset ville.syrjala
2017-08-24 19:10 ` [PATCH 02/12] drm/i915: Skip fence alignemnt check for the CCS plane ville.syrjala
2017-08-25 4:56 ` Ben Widawsky
2017-08-24 19:10 ` [PATCH 03/12] drm/i915: Switch over to the LLC/eLLC hotspot avoidance hash mode for CCS ville.syrjala
2017-08-25 4:55 ` Ben Widawsky
2017-08-25 11:40 ` Ville Syrjälä
2017-09-13 23:29 ` Ben Widawsky
2017-09-14 12:09 ` Ville Syrjälä
2017-08-24 19:10 ` [PATCH 04/12] drm/i915: Add a comment exlaining CCS hsub/vsub ville.syrjala
2017-08-24 19:10 ` [PATCH 05/12] drm/i915: Nuke a pointless unreachable() ville.syrjala
2017-08-25 4:40 ` Ben Widawsky
2017-08-25 15:36 ` Emil Velikov
2017-08-24 19:10 ` [PATCH 06/12] drm/i915: Add the missing Y/Yf modifiers for SKL+ sprites ville.syrjala
2017-08-25 9:40 ` Daniel Stone
2017-08-25 11:34 ` Ville Syrjälä
2017-08-25 13:58 ` Daniel Stone
2017-08-24 19:10 ` [PATCH 07/12] drm/i915: Clean up the sprite modifier checks ville.syrjala
2017-08-24 19:10 ` [PATCH 08/12] drm/i915: Add CCS capability for sprites ville.syrjala
2017-12-11 11:11 ` Mika Kahola
2017-12-11 12:00 ` Daniel Stone
2017-12-11 12:08 ` Mika Kahola [this message]
2017-12-11 12:33 ` Daniel Stone
2017-12-11 13:35 ` Ville Syrjälä
2017-08-24 19:10 ` [PATCH 09/12] drm/i915: Allow up to 32KB stride on SKL+ "sprites" ville.syrjala
2017-08-24 19:10 ` [PATCH 10/12] drm: Fix modifiers_property kernel doc ville.syrjala
2017-08-25 13:44 ` Daniel Vetter
2017-08-24 19:10 ` [PATCH 11/12] drm: Check that the plane supports the request format+modifier combo ville.syrjala
2017-08-25 13:47 ` [Intel-gfx] " Daniel Vetter
2017-08-24 19:11 ` [PATCH 12/12] drm/i915: Remove the pipe/plane ID checks from skl_check_ccs_aux_surface() ville.syrjala
2017-08-24 19:41 ` ✓ Fi.CI.BAT: success for drm/i915: Fix up the CCS code Patchwork
2017-08-24 21:05 ` ✓ Fi.CI.IGT: " Patchwork
2017-08-25 17:17 ` [PATCH 00/12] " Daniel Vetter
2017-08-28 13:35 ` Daniel Stone
2017-08-28 14:47 ` Ville Syrjälä
2017-08-30 8:31 ` Jani Nikula
2017-08-30 17:09 ` Ville Syrjälä
2017-09-01 0:05 ` Rodrigo Vivi
2017-09-01 13:46 ` Ville Syrjälä
2017-10-16 22:21 ` Kristian Høgsberg
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