From: Jason Ekstrand <jason@jlekstrand.net>
To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
Jason Ekstrand <jason@jlekstrand.net>
Subject: [PATCH 14/31] drm/i915/gem: Add a separate validate_priority helper
Date: Wed, 9 Jun 2021 12:44:01 -0500 [thread overview]
Message-ID: <20210609174418.249585-15-jason@jlekstrand.net> (raw)
In-Reply-To: <20210609174418.249585-1-jason@jlekstrand.net>
With the proto-context stuff added later in this series, we end up
having to duplicate set_priority. This lets us avoid duplicating the
validation logic.
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 | 42 +++++++++++++--------
1 file changed, 27 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 61fe6d18d4068..f9a6eac78c0ae 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -169,6 +169,28 @@ lookup_user_engine(struct i915_gem_context *ctx,
return i915_gem_context_get_engine(ctx, idx);
}
+static int validate_priority(struct drm_i915_private *i915,
+ const struct drm_i915_gem_context_param *args)
+{
+ s64 priority = args->value;
+
+ if (args->size)
+ return -EINVAL;
+
+ if (!(i915->caps.scheduler & I915_SCHEDULER_CAP_PRIORITY))
+ return -ENODEV;
+
+ if (priority > I915_CONTEXT_MAX_USER_PRIORITY ||
+ priority < I915_CONTEXT_MIN_USER_PRIORITY)
+ return -EINVAL;
+
+ if (priority > I915_CONTEXT_DEFAULT_PRIORITY &&
+ !capable(CAP_SYS_NICE))
+ return -EPERM;
+
+ return 0;
+}
+
static struct i915_address_space *
context_get_vm_rcu(struct i915_gem_context *ctx)
{
@@ -1744,23 +1766,13 @@ static void __apply_priority(struct intel_context *ce, void *arg)
static int set_priority(struct i915_gem_context *ctx,
const struct drm_i915_gem_context_param *args)
{
- s64 priority = args->value;
-
- if (args->size)
- return -EINVAL;
-
- if (!(ctx->i915->caps.scheduler & I915_SCHEDULER_CAP_PRIORITY))
- return -ENODEV;
-
- if (priority > I915_CONTEXT_MAX_USER_PRIORITY ||
- priority < I915_CONTEXT_MIN_USER_PRIORITY)
- return -EINVAL;
+ int err;
- if (priority > I915_CONTEXT_DEFAULT_PRIORITY &&
- !capable(CAP_SYS_NICE))
- return -EPERM;
+ err = validate_priority(ctx->i915, args);
+ if (err)
+ return err;
- ctx->sched.priority = priority;
+ ctx->sched.priority = args->value;
context_apply_all(ctx, __apply_priority, ctx);
return 0;
--
2.31.1
next prev parent reply other threads:[~2021-06-09 17:45 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-09 17:43 [PATCH 00/31] drm/i915/gem: ioctl clean-ups (v6) Jason Ekstrand
2021-06-09 17:43 ` [PATCH 01/31] drm/i915: Drop I915_CONTEXT_PARAM_RINGSIZE Jason Ekstrand
2021-06-09 17:43 ` [PATCH 02/31] drm/i915: Stop storing the ring size in the ring pointer (v2) Jason Ekstrand
2021-06-09 17:43 ` [PATCH 03/31] drm/i915: Drop I915_CONTEXT_PARAM_NO_ZEROMAP Jason Ekstrand
2021-06-09 17:43 ` [PATCH 04/31] drm/i915/gem: Set the watchdog timeout directly in intel_context_set_gem (v2) Jason Ekstrand
2021-06-09 17:43 ` [PATCH 05/31] drm/i915/gem: Return void from context_apply_all Jason Ekstrand
2021-06-09 17:43 ` [PATCH 06/31] drm/i915: Drop the CONTEXT_CLONE API (v2) Jason Ekstrand
2021-06-16 15:34 ` [Intel-gfx] " kernel test robot
2021-06-09 17:43 ` [PATCH 07/31] drm/i915: Implement SINGLE_TIMELINE with a syncobj (v4) Jason Ekstrand
2021-06-09 17:43 ` [PATCH 08/31] drm/i915: Drop getparam support for I915_CONTEXT_PARAM_ENGINES Jason Ekstrand
2021-06-09 17:43 ` [PATCH 09/31] drm/i915/gem: Disallow bonding of virtual engines (v3) Jason Ekstrand
2021-06-09 17:43 ` [PATCH 10/31] drm/i915/gem: Remove engine auto-magic with FENCE_SUBMIT (v2) Jason Ekstrand
2021-06-09 17:43 ` [PATCH 11/31] drm/i915/request: Remove the hook from await_execution Jason Ekstrand
2021-06-09 17:43 ` [PATCH 12/31] drm/i915/gem: Disallow creating contexts with too many engines Jason Ekstrand
2021-06-09 17:44 ` [PATCH 13/31] drm/i915: Stop manually RCU banging in reset_stats_ioctl (v2) Jason Ekstrand
2021-06-09 17:44 ` Jason Ekstrand [this message]
2021-06-09 17:44 ` [PATCH 15/31] drm/i915: Add gem/i915_gem_context.h to the docs Jason Ekstrand
2021-06-09 17:44 ` [PATCH 16/31] drm/i915/gem: Add an intermediate proto_context struct (v5) Jason Ekstrand
2021-06-09 17:44 ` [PATCH 17/31] drm/i915/gem: Rework error handling in default_engines Jason Ekstrand
2021-06-09 17:44 ` [PATCH 18/31] drm/i915/gem: Optionally set SSEU in intel_context_set_gem Jason Ekstrand
2021-06-09 17:44 ` [PATCH 19/31] drm/i915: Add an i915_gem_vm_lookup helper Jason Ekstrand
2021-06-09 17:44 ` [PATCH 20/31] drm/i915/gem: Make an alignment check more sensible Jason Ekstrand
2021-06-09 17:44 ` [PATCH 21/31] drm/i915/gem: Use the proto-context to handle create parameters (v4) Jason Ekstrand
2021-06-09 17:44 ` [PATCH 22/31] drm/i915/gem: Return an error ptr from context_lookup Jason Ekstrand
2021-06-09 17:44 ` [PATCH 23/31] drm/i915/gt: Drop i915_address_space::file (v2) Jason Ekstrand
2021-06-09 17:44 ` [PATCH 24/31] drm/i915/gem: Delay context creation (v3) Jason Ekstrand
2021-06-09 17:44 ` [PATCH 25/31] drm/i915/gem: Don't allow changing the VM on running contexts (v4) Jason Ekstrand
2021-06-09 17:44 ` [PATCH 26/31] drm/i915/gem: Don't allow changing the engine set on running contexts (v3) Jason Ekstrand
2021-06-09 17:44 ` [PATCH 27/31] drm/i915/selftests: Take a VM in kernel_context() Jason Ekstrand
2021-06-09 17:44 ` [PATCH 28/31] i915/gem/selftests: Assign the VM at context creation in igt_shared_ctx_exec Jason Ekstrand
2021-06-09 17:44 ` [PATCH 29/31] drm/i915/gem: Roll all of context creation together Jason Ekstrand
2021-06-16 20:11 ` kernel test robot
2021-06-09 17:44 ` [PATCH 30/31] drm/i915: Finalize contexts in GEM_CONTEXT_CREATE on version 13+ Jason Ekstrand
2021-06-09 17:44 ` [PATCH 31/31] HACK: Always finalize contexts Jason Ekstrand
-- strict thread matches above, loose matches on Subject: below --
2021-06-09 4:35 [PATCH 00/31] drm/i915/gem: ioctl clean-ups (v6) Jason Ekstrand
2021-06-09 4:35 ` [PATCH 14/31] drm/i915/gem: Add a separate validate_priority helper Jason Ekstrand
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