From: Imre Deak <imre.deak@intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: igt-dev@lists.freedesktop.org
Subject: Re: [igt-dev] [PATCH i-g-t 6/9] lib/igt_fb: Fall back from gtt map to coherent map on platforms w/o aperture
Date: Thu, 30 Jan 2020 15:17:53 +0200 [thread overview]
Message-ID: <20200130131753.GC20639@ideak-desk.fi.intel.com> (raw)
In-Reply-To: <158037974995.16598.9824585981329699370@skylake-alporthouse-com>
On Thu, Jan 30, 2020 at 10:22:29AM +0000, Chris Wilson wrote:
> Quoting Imre Deak (2020-01-29 18:15:58)
> > Use a device coherent map instead of GGTT map on platforms w/o an
> > aperture.
>
> The decision tree here leads much to be desired. The usual practice is
> to use sw detiling since that has been faster than HW since byt.
This fixes the use of map_bo() when the user just wants to fill the
buffer with a pattern (for instance clearing for yuv), so detiling is
not needed in that case.
> -Chris
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next prev parent reply other threads:[~2020-01-30 13:18 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-29 18:15 [igt-dev] [PATCH i-g-t 1/9] lib/ioctl_wrappers: Query if device supports set/get legacy tiling Imre Deak
2020-01-29 18:15 ` [igt-dev] [PATCH i-g-t 2/9] lib/igt_fb: Fix creating FBs on platforms w/o HW detiling Imre Deak
2020-01-30 10:11 ` Chris Wilson
2020-01-30 13:32 ` Imre Deak
2020-01-29 18:15 ` [igt-dev] [PATCH i-g-t 3/9] lib/intel_batchbuffer: Add blitter copy using XY_SRC_COPY_BLT Imre Deak
2020-01-30 10:17 ` Chris Wilson
2020-01-30 10:26 ` Chris Wilson
2020-01-30 14:23 ` Imre Deak
2020-01-30 14:01 ` Imre Deak
2020-01-29 18:15 ` [igt-dev] [PATCH i-g-t 4/9] lib/igt_fb: Switch from XY_FAST_COPY_BLT to XY_SRC_COPY_BLT Imre Deak
2020-01-30 10:19 ` Chris Wilson
2020-01-30 13:27 ` Imre Deak
2020-01-29 18:15 ` [igt-dev] [PATCH i-g-t 5/9] lib/igt_fb: Add 64bpp support to the XY_SRC blit command Imre Deak
2020-01-29 18:15 ` [igt-dev] [PATCH i-g-t 6/9] lib/igt_fb: Fall back from gtt map to coherent map on platforms w/o aperture Imre Deak
2020-01-30 10:22 ` Chris Wilson
2020-01-30 13:17 ` Imre Deak [this message]
2020-01-29 18:15 ` [igt-dev] [PATCH i-g-t 7/9] lib/igt_fb: Use render copy/blit on platforms w/o HW detiling Imre Deak
2020-01-29 18:16 ` [igt-dev] [PATCH i-g-t 8/9] lib/igt_fb: Speed up format conversion for local memory Imre Deak
2020-01-30 10:24 ` Chris Wilson
2020-01-30 12:04 ` Imre Deak
2020-01-30 12:12 ` Chris Wilson
2020-01-30 13:10 ` Imre Deak
2020-01-30 18:20 ` Imre Deak
2020-01-29 18:16 ` [igt-dev] [PATCH i-g-t 9/9] tests/kms_plane: Fix format/mod for reference FB Imre Deak
2020-01-29 18:24 ` Imre Deak
2020-01-29 19:33 ` [igt-dev] ✗ Fi.CI.BAT: failure for series starting with [i-g-t,1/9] lib/ioctl_wrappers: Query if device supports set/get legacy tiling Patchwork
2020-01-30 10:10 ` [igt-dev] [PATCH i-g-t 1/9] " Chris Wilson
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