From: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
To: Matthew Auld <matthew.auld@intel.com>, intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 4/9] drm/i915/dmabuf: add paranoid flush-on-acquire
Date: Wed, 20 Oct 2021 16:42:01 +0200 [thread overview]
Message-ID: <19e698375907e73dc7a060fb3845b5d74b7bec9a.camel@linux.intel.com> (raw)
In-Reply-To: <20211018174508.2137279-4-matthew.auld@intel.com>
On Mon, 2021-10-18 at 18:45 +0100, Matthew Auld wrote:
> As pointed out by Thomas, we likely need to flush the pages here if
> the
> GPU can read the page contents directly from main memory. Underneath
> we
> don't know what the sg_table is pointing to, so just add a
> wbinvd_on_all_cpus() here, for now.
>
> Reported-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
> Signed-off-by: Matthew Auld <matthew.auld@intel.com>
> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
next prev parent reply other threads:[~2021-10-20 14:42 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-18 17:45 [Intel-gfx] [PATCH 1/9] drm/i915: mark dmabuf objects as ALLOC_USER Matthew Auld
2021-10-18 17:45 ` [Intel-gfx] [PATCH 2/9] drm/i915: mark userptr " Matthew Auld
2021-10-20 14:36 ` Thomas Hellström
2021-10-18 17:45 ` [Intel-gfx] [PATCH 3/9] drm/i915: extract bypass-llc check into helper Matthew Auld
2021-10-20 14:38 ` Thomas Hellström
2021-10-18 17:45 ` [Intel-gfx] [PATCH 4/9] drm/i915/dmabuf: add paranoid flush-on-acquire Matthew Auld
2021-10-20 14:42 ` Thomas Hellström [this message]
2021-10-26 13:44 ` Guenter Roeck
2021-10-18 17:45 ` [Intel-gfx] [PATCH 5/9] drm/i915/userptr: " Matthew Auld
2021-10-20 14:52 ` Thomas Hellström
2021-10-18 17:45 ` [Intel-gfx] [PATCH 6/9] drm/i915/shmem: ensure flush during swap-in on non-LLC Matthew Auld
2021-10-20 14:53 ` Thomas Hellström
2021-10-18 17:45 ` [Intel-gfx] [PATCH 7/9] drm/i915: expand on the kernel-doc for cache_dirty Matthew Auld
2021-10-20 14:58 ` Thomas Hellström
2021-10-18 17:45 ` [Intel-gfx] [PATCH 8/9] drm/i915: mark up internal objects with start_cpu_write Matthew Auld
2021-10-20 15:11 ` Thomas Hellström
2021-10-18 17:45 ` [Intel-gfx] [PATCH 9/9] drm/i915/selftests: mark up hugepages object " Matthew Auld
2021-10-20 15:12 ` Thomas Hellström
2021-10-18 19:11 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/9] drm/i915: mark dmabuf objects as ALLOC_USER Patchwork
2021-10-18 19:13 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-10-18 19:42 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-10-19 2:39 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2021-10-20 14:34 ` [Intel-gfx] [PATCH 1/9] " Thomas Hellström
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