From: Jason Ekstrand <jason@jlekstrand.net>
To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
Jason Ekstrand <jason@jlekstrand.net>
Subject: [PATCH 22/29] drm/i915/gem: Return an error ptr from context_lookup
Date: Thu, 27 May 2021 11:26:43 -0500 [thread overview]
Message-ID: <20210527162650.1182544-23-jason@jlekstrand.net> (raw)
In-Reply-To: <20210527162650.1182544-1-jason@jlekstrand.net>
We're about to start doing lazy context creation which means contexts
get created in i915_gem_context_lookup and we may start having more
errors than -ENOENT.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
drivers/gpu/drm/i915/gem/i915_gem_context.c | 12 ++++++------
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 4 ++--
drivers/gpu/drm/i915/i915_drv.h | 2 +-
drivers/gpu/drm/i915/i915_perf.c | 4 ++--
4 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index d68c111bc824a..76662175e6980 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -2636,8 +2636,8 @@ int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data,
int ret = 0;
ctx = i915_gem_context_lookup(file_priv, args->ctx_id);
- if (!ctx)
- return -ENOENT;
+ if (IS_ERR(ctx))
+ return PTR_ERR(ctx);
switch (args->param) {
case I915_CONTEXT_PARAM_GTT_SIZE:
@@ -2705,8 +2705,8 @@ int i915_gem_context_setparam_ioctl(struct drm_device *dev, void *data,
int ret;
ctx = i915_gem_context_lookup(file_priv, args->ctx_id);
- if (!ctx)
- return -ENOENT;
+ if (IS_ERR(ctx))
+ return PTR_ERR(ctx);
ret = ctx_setparam(file_priv, ctx, args);
@@ -2725,8 +2725,8 @@ int i915_gem_context_reset_stats_ioctl(struct drm_device *dev,
return -EINVAL;
ctx = i915_gem_context_lookup(file->driver_priv, args->ctx_id);
- if (!ctx)
- return -ENOENT;
+ if (IS_ERR(ctx))
+ return PTR_ERR(ctx);
/*
* We opt for unserialised reads here. This may result in tearing
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index 7024adcd5cf15..de14b26f3b2d5 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -739,8 +739,8 @@ static int eb_select_context(struct i915_execbuffer *eb)
struct i915_gem_context *ctx;
ctx = i915_gem_context_lookup(eb->file->driver_priv, eb->args->rsvd1);
- if (unlikely(!ctx))
- return -ENOENT;
+ if (unlikely(IS_ERR(ctx)))
+ return PTR_ERR(ctx);
eb->gem_context = ctx;
if (rcu_access_pointer(ctx->vm))
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index fee2342219da1..d7bd732ceacfc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1868,7 +1868,7 @@ i915_gem_context_lookup(struct drm_i915_file_private *file_priv, u32 id)
ctx = NULL;
rcu_read_unlock();
- return ctx;
+ return ctx ? ctx : ERR_PTR(-ENOENT);
}
static inline struct i915_address_space *
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index de8ebc34af0ff..dfc2a5c067c29 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -3414,10 +3414,10 @@ i915_perf_open_ioctl_locked(struct i915_perf *perf,
struct drm_i915_file_private *file_priv = file->driver_priv;
specific_ctx = i915_gem_context_lookup(file_priv, ctx_handle);
- if (!specific_ctx) {
+ if (IS_ERR(specific_ctx)) {
DRM_DEBUG("Failed to look up context with ID %u for opening perf stream\n",
ctx_handle);
- ret = -ENOENT;
+ ret = PTR_ERR(specific_ctx);
goto err;
}
}
--
2.31.1
next prev parent reply other threads:[~2021-05-27 16:28 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-27 16:26 [PATCH 00/29] drm/i915/gem: ioctl clean-ups (v6) Jason Ekstrand
2021-05-27 16:26 ` [PATCH 01/29] drm/i915: Drop I915_CONTEXT_PARAM_RINGSIZE Jason Ekstrand
2021-05-27 16:26 ` [PATCH 02/29] drm/i915: Stop storing the ring size in the ring pointer (v2) Jason Ekstrand
2021-05-27 16:26 ` [PATCH 03/29] drm/i915: Drop I915_CONTEXT_PARAM_NO_ZEROMAP Jason Ekstrand
2021-05-27 16:26 ` [PATCH 04/29] drm/i915/gem: Set the watchdog timeout directly in intel_context_set_gem (v2) Jason Ekstrand
2021-05-27 16:26 ` [PATCH 05/29] drm/i915/gem: Return void from context_apply_all Jason Ekstrand
2021-05-27 16:26 ` [PATCH 06/29] drm/i915: Drop the CONTEXT_CLONE API (v2) Jason Ekstrand
2021-05-27 16:26 ` [PATCH 07/29] drm/i915: Implement SINGLE_TIMELINE with a syncobj (v4) Jason Ekstrand
2021-05-27 16:26 ` [PATCH 08/29] drm/i915: Drop getparam support for I915_CONTEXT_PARAM_ENGINES Jason Ekstrand
2021-05-27 16:26 ` [PATCH 09/29] drm/i915/gem: Disallow bonding of virtual engines (v3) Jason Ekstrand
2021-05-27 16:26 ` [PATCH 10/29] drm/i915/gem: Remove engine auto-magic with FENCE_SUBMIT (v2) Jason Ekstrand
2021-05-27 16:26 ` [PATCH 11/29] drm/i915/request: Remove the hook from await_execution Jason Ekstrand
2021-05-27 16:26 ` [PATCH 12/29] drm/i915/gem: Disallow creating contexts with too many engines Jason Ekstrand
2021-05-27 16:26 ` [PATCH 13/29] drm/i915: Stop manually RCU banging in reset_stats_ioctl (v2) Jason Ekstrand
2021-05-27 16:26 ` [PATCH 14/29] drm/i915/gem: Add a separate validate_priority helper Jason Ekstrand
2021-05-27 16:26 ` [PATCH 15/29] drm/i915: Add gem/i915_gem_context.h to the docs Jason Ekstrand
2021-05-27 16:26 ` [PATCH 16/29] drm/i915/gem: Add an intermediate proto_context struct Jason Ekstrand
2021-05-31 8:47 ` [Intel-gfx] " Daniel Vetter
2021-06-02 21:24 ` Jason Ekstrand
2021-06-03 7:09 ` Daniel Vetter
2021-05-27 16:26 ` [PATCH 17/29] drm/i915/gem: Rework error handling in default_engines Jason Ekstrand
2021-05-27 16:26 ` [PATCH 18/29] drm/i915/gem: Optionally set SSEU in intel_context_set_gem Jason Ekstrand
2021-05-31 8:48 ` Daniel Vetter
2021-06-02 22:05 ` Jason Ekstrand
2021-05-27 16:26 ` [PATCH 19/29] drm/i915: Add an i915_gem_vm_lookup helper Jason Ekstrand
2021-05-27 18:30 ` Daniel Vetter
2021-05-27 16:26 ` [PATCH 20/29] drm/i915/gem: Make an alignment check more sensible Jason Ekstrand
2021-05-27 18:31 ` Daniel Vetter
2021-05-27 16:26 ` [PATCH 21/29] drm/i915/gem: Use the proto-context to handle create parameters (v2) Jason Ekstrand
2021-05-31 9:11 ` Daniel Vetter
2021-06-02 22:23 ` Jason Ekstrand
2021-06-03 7:32 ` Daniel Vetter
2021-06-03 16:29 ` Jason Ekstrand
2021-05-27 16:26 ` Jason Ekstrand [this message]
2021-05-27 16:26 ` [PATCH 23/29] drm/i915/gt: Drop i915_address_space::file (v2) Jason Ekstrand
2021-05-27 16:26 ` [PATCH 24/29] drm/i915/gem: Delay context creation Jason Ekstrand
2021-05-31 9:50 ` Daniel Vetter
2021-06-02 22:55 ` Jason Ekstrand
2021-06-03 7:26 ` Daniel Vetter
2021-05-27 16:26 ` [PATCH 25/29] drm/i915/gem: Don't allow changing the VM on running contexts (v2) Jason Ekstrand
2021-05-31 14:08 ` Daniel Vetter
2021-05-27 16:26 ` [PATCH 26/29] drm/i915/gem: Don't allow changing the engine set " Jason Ekstrand
2021-05-31 13:58 ` [Intel-gfx] " Daniel Vetter
2021-05-27 16:26 ` [PATCH 27/29] drm/i915/selftests: Take a VM in kernel_context() Jason Ekstrand
2021-05-27 16:26 ` [PATCH 28/29] i915/gem/selftests: Assign the VM at context creation in igt_shared_ctx_exec Jason Ekstrand
2021-05-27 16:26 ` [PATCH 29/29] drm/i915/gem: Roll all of context creation together Jason Ekstrand
2021-05-31 14:18 ` [Intel-gfx] " Daniel Vetter
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