From: Daniel Vetter <daniel@ffwll.ch>
To: Jason Ekstrand <jason@jlekstrand.net>
Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 17/27] drm/i915/gem: Rework error handling in default_engines
Date: Tue, 4 May 2021 18:17:14 +0200 [thread overview]
Message-ID: <YJFzilYYEb+SMz1i@phenom.ffwll.local> (raw)
In-Reply-To: <20210503155748.1961781-18-jason@jlekstrand.net>
On Mon, May 03, 2021 at 10:57:38AM -0500, Jason Ekstrand wrote:
> Since free_engines works for partially constructed engine sets, we can
> use the usual goto pattern.
>
> Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
I guess subsequent patches apply the same for the set_engines command and
__free_engines disappears? Otherwise feels a bit silly.
Anyway looks correct.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
> drivers/gpu/drm/i915/gem/i915_gem_context.c | 13 ++++++++-----
> 1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
> index 10bd1b6dd1774..ce729e640bbf7 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
> @@ -420,7 +420,7 @@ static struct i915_gem_engines *default_engines(struct i915_gem_context *ctx)
> {
> const struct intel_gt *gt = &ctx->i915->gt;
> struct intel_engine_cs *engine;
> - struct i915_gem_engines *e;
> + struct i915_gem_engines *e, *err;
> enum intel_engine_id id;
>
> e = alloc_engines(I915_NUM_ENGINES);
> @@ -438,18 +438,21 @@ static struct i915_gem_engines *default_engines(struct i915_gem_context *ctx)
>
> ce = intel_context_create(engine);
> if (IS_ERR(ce)) {
> - __free_engines(e, e->num_engines + 1);
> - return ERR_CAST(ce);
> + err = ERR_CAST(ce);
> + goto free_engines;
> }
>
> intel_context_set_gem(ce, ctx);
>
> e->engines[engine->legacy_idx] = ce;
> - e->num_engines = max(e->num_engines, engine->legacy_idx);
> + e->num_engines = max(e->num_engines, engine->legacy_idx + 1);
> }
> - e->num_engines++;
>
> return e;
> +
> +free_engines:
> + free_engines(e);
> + return err;
> }
>
> void i915_gem_context_release(struct kref *ref)
> --
> 2.31.1
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2021-05-04 16:17 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-03 15:57 [PATCH 00/27] drm/i915/gem: ioctl clean-ups (v5) Jason Ekstrand
2021-05-03 15:57 ` [PATCH 01/27] drm/i915: Drop I915_CONTEXT_PARAM_RINGSIZE Jason Ekstrand
2021-05-03 15:57 ` [PATCH 02/27] drm/i915: Stop storing the ring size in the ring pointer Jason Ekstrand
2021-05-04 8:47 ` Daniel Vetter
2021-05-14 18:06 ` Jason Ekstrand
2021-05-03 15:57 ` [PATCH 03/27] drm/i915: Drop I915_CONTEXT_PARAM_NO_ZEROMAP Jason Ekstrand
2021-05-04 8:48 ` [Intel-gfx] " Daniel Vetter
2021-05-03 15:57 ` [PATCH 04/27] drm/i915/gem: Set the watchdog timeout directly in intel_context_set_gem (v2) Jason Ekstrand
2021-05-03 15:57 ` [PATCH 05/27] drm/i915/gem: Return void from context_apply_all Jason Ekstrand
2021-05-03 15:57 ` [PATCH 06/27] drm/i915: Drop the CONTEXT_CLONE API Jason Ekstrand
2021-05-04 8:50 ` [Intel-gfx] " Daniel Vetter
2021-05-14 18:07 ` Jason Ekstrand
2021-05-03 15:57 ` [PATCH 07/27] drm/i915: Implement SINGLE_TIMELINE with a syncobj (v4) Jason Ekstrand
2021-05-03 15:57 ` [PATCH 08/27] drm/i915: Drop getparam support for I915_CONTEXT_PARAM_ENGINES Jason Ekstrand
2021-05-03 15:57 ` [PATCH 09/27] drm/i915/gem: Disallow bonding of virtual engines (v3) Jason Ekstrand
2021-05-03 15:57 ` [PATCH 10/27] drm/i915/gem: Remove engine auto-magic with FENCE_SUBMIT Jason Ekstrand
2021-05-04 8:56 ` Daniel Vetter
2021-05-14 18:19 ` Jason Ekstrand
2021-05-03 15:57 ` [PATCH 11/27] drm/i915/request: Remove the hook from await_execution Jason Ekstrand
2021-05-04 8:55 ` Daniel Vetter
2021-05-03 15:57 ` [PATCH 12/27] drm/i915/gem: Disallow creating contexts with too many engines Jason Ekstrand
2021-05-05 9:56 ` [Intel-gfx] " Tvrtko Ursulin
2021-05-03 15:57 ` [PATCH 13/27] drm/i915: Stop manually RCU banging in reset_stats_ioctl (v2) Jason Ekstrand
2021-05-03 15:57 ` [PATCH 14/27] drm/i915/gem: Add a separate validate_priority helper Jason Ekstrand
2021-05-03 15:57 ` [PATCH 15/27] drm/i915: Add gem/i915_gem_context.h to the docs Jason Ekstrand
2021-05-04 9:11 ` Daniel Vetter
2021-05-03 15:57 ` [PATCH 16/27] drm/i915/gem: Add an intermediate proto_context struct Jason Ekstrand
2021-05-04 16:13 ` Daniel Vetter
2021-06-02 21:53 ` Jason Ekstrand
2021-06-03 7:07 ` Daniel Vetter
2021-05-05 10:09 ` [Intel-gfx] " Tvrtko Ursulin
2021-05-03 15:57 ` [PATCH 17/27] drm/i915/gem: Rework error handling in default_engines Jason Ekstrand
2021-05-04 16:17 ` Daniel Vetter [this message]
2021-05-14 18:21 ` [Intel-gfx] " Jason Ekstrand
2021-05-03 15:57 ` [PATCH 18/27] drm/i915/gem: Optionally set SSEU in intel_context_set_gem Jason Ekstrand
2021-05-04 19:00 ` [Intel-gfx] " Daniel Vetter
2021-05-05 9:28 ` Tvrtko Ursulin
2021-05-05 9:47 ` Daniel Vetter
2021-05-05 9:52 ` Tvrtko Ursulin
2021-05-03 15:57 ` [PATCH 19/27] drm/i915/gem: Use the proto-context to handle create parameters Jason Ekstrand
2021-05-04 20:33 ` Daniel Vetter
2021-05-14 19:13 ` Jason Ekstrand
2021-05-17 13:40 ` Daniel Vetter
2021-05-17 17:04 ` Jason Ekstrand
2021-05-17 18:44 ` Daniel Vetter
2021-05-18 10:51 ` Jani Nikula
2021-05-03 15:57 ` [PATCH 20/27] drm/i915/gem: Return an error ptr from context_lookup Jason Ekstrand
2021-05-03 15:57 ` [PATCH 21/27] drm/i915/gt: Drop i915_address_space::file (v2) Jason Ekstrand
2021-05-03 15:57 ` [PATCH 22/27] drm/i915/gem: Delay context creation Jason Ekstrand
2021-05-03 19:38 ` [Intel-gfx] " kernel test robot
2021-05-04 20:53 ` Daniel Vetter
2021-05-04 20:53 ` Daniel Vetter
2021-05-03 15:57 ` [PATCH 23/27] drm/i915/gem: Don't allow changing the VM on running contexts Jason Ekstrand
2021-05-03 18:52 ` [Intel-gfx] " kernel test robot
2021-05-04 21:00 ` Daniel Vetter
2021-05-04 21:17 ` Daniel Vetter
2021-05-03 15:57 ` [PATCH 24/27] drm/i915/gem: Don't allow changing the engine set " Jason Ekstrand
2021-05-05 9:49 ` [Intel-gfx] " Daniel Vetter
2021-05-03 15:57 ` [PATCH 25/27] drm/i915/selftests: Take a VM in kernel_context() Jason Ekstrand
2021-05-05 9:50 ` Daniel Vetter
2021-05-03 15:57 ` [PATCH 26/27] i915/gem/selftests: Assign the VM at context creation in igt_shared_ctx_exec Jason Ekstrand
2021-05-05 9:53 ` [Intel-gfx] " Daniel Vetter
2021-05-03 15:57 ` [PATCH 27/27] drm/i915/gem: Roll all of context creation together Jason Ekstrand
2021-05-05 10:05 ` [Intel-gfx] " Daniel Vetter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YJFzilYYEb+SMz1i@phenom.ffwll.local \
--to=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=intel-gfx@lists.freedesktop.org \
--cc=jason@jlekstrand.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).