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drm/i915/gem: Tidy up error handling for eb_parse() 

As the caller no longer uses the i915_vma result, stop returning it and
just return the error code instead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191211110437.4082687-4-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-12-11 11:04:36 +00:00
parent 37d1151ce7
commit 51696691ab
1 changed files with 18 additions and 21 deletions
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39
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
View File

@ -1982,19 +1982,24 @@ shadow_batch_pin(struct i915_execbuffer *eb, struct drm_i915_gem_object *obj)
return vma;
}
static struct i915_vma *eb_parse(struct i915_execbuffer *eb)
static int eb_parse(struct i915_execbuffer *eb)
{
struct intel_engine_pool_node *pool;
struct i915_vma *vma;
int err;
if (!eb_use_cmdparser(eb))
return 0;
pool = intel_engine_get_pool(eb->engine, eb->batch_len);
if (IS_ERR(pool))
return ERR_CAST(pool);
return PTR_ERR(pool);
vma = shadow_batch_pin(eb, pool->obj);
if (IS_ERR(vma))
if (IS_ERR(vma)) {
err = PTR_ERR(vma);
goto err;
}
err = intel_engine_cmd_parser(eb->engine,
eb->batch,
@ -2002,8 +2007,6 @@ static struct i915_vma *eb_parse(struct i915_execbuffer *eb)
eb->batch_len,
vma);
if (err) {
i915_vma_unpin(vma);
/*
* Unsafe GGTT-backed buffers can still be submitted safely
* as non-secure.
@ -2011,11 +2014,9 @@ static struct i915_vma *eb_parse(struct i915_execbuffer *eb)
* reject unsafe buffers
*/
if (i915_vma_is_ggtt(vma) && err == -EACCES)
/* Execute original buffer non-secure */
vma = NULL;
else
vma = ERR_PTR(err);
goto err;
err = 0;
goto err_unpin;
}
eb->vma[eb->buffer_count] = i915_vma_get(vma);
@ -2033,11 +2034,13 @@ static struct i915_vma *eb_parse(struct i915_execbuffer *eb)
/* eb->batch_len unchanged */
vma->private = pool;
return vma;
return 0;
err_unpin:
i915_vma_unpin(vma);
err:
intel_engine_pool_put(pool);
return vma;
return err;
}
static void
@ -2558,15 +2561,9 @@ i915_gem_do_execbuffer(struct drm_device *dev,
if (eb.batch_len == 0)
eb.batch_len = eb.batch->size - eb.batch_start_offset;
if (eb_use_cmdparser(&eb)) {
struct i915_vma *vma;
vma = eb_parse(&eb);
if (IS_ERR(vma)) {
err = PTR_ERR(vma);
goto err_vma;
}
}
err = eb_parse(&eb);
if (err)
goto err_vma;
/*
* snb/ivb/vlv conflate the "batch in ppgtt" bit with the "non-secure