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drm/i915: Rename i915_gem_context_reference/unreference()

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As these are wrappers around kref_get/kref_put() it is preferable to
follow the naming convention and use the same verb get/put in our
wrapper names for manipulating a reference to the context.

s/i915_gem_context_reference/i915_gem_context_get/
s/i915_gem_context_unreference/i915_gem_context_put/

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1469005202-9659-3-git-send-email-chris@chris-wilson.co.uk
Link: http://patchwork.freedesktop.org/patch/msgid/1469017917-15134-2-git-send-email-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-07-20 13:31:50 +01:00
parent e8a261ea63
commit 9a6feaf0d7
6 changed files with 24 additions and 25 deletions
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6
drivers/gpu/drm/i915/i915_drv.h
View File

@ -3338,12 +3338,14 @@ i915_gem_context_lookup(struct drm_i915_file_private *file_priv, u32 id)
return ctx;
}
static inline void i915_gem_context_reference(struct i915_gem_context *ctx)
static inline struct i915_gem_context *
i915_gem_context_get(struct i915_gem_context *ctx)
{
kref_get(&ctx->ref);
return ctx;
}
static inline void i915_gem_context_unreference(struct i915_gem_context *ctx)
static inline void i915_gem_context_put(struct i915_gem_context *ctx)
{
lockdep_assert_held(&ctx->i915->drm.struct_mutex);
kref_put(&ctx->ref, i915_gem_context_free);

22
drivers/gpu/drm/i915/i915_gem_context.c
View File

@ -305,7 +305,7 @@ __create_hw_context(struct drm_device *dev,
return ctx;
err_out:
i915_gem_context_unreference(ctx);
i915_gem_context_put(ctx);
return ERR_PTR(ret);
}
@ -333,7 +333,7 @@ i915_gem_create_context(struct drm_device *dev,
DRM_DEBUG_DRIVER("PPGTT setup failed (%ld)\n",
PTR_ERR(ppgtt));
idr_remove(&file_priv->context_idr, ctx->user_handle);
i915_gem_context_unreference(ctx);
i915_gem_context_put(ctx);
return ERR_CAST(ppgtt);
}
@ -390,7 +390,7 @@ static void i915_gem_context_unpin(struct i915_gem_context *ctx,
if (ce->state)
i915_gem_object_ggtt_unpin(ce->state);
i915_gem_context_unreference(ctx);
i915_gem_context_put(ctx);
}
}
@ -504,7 +504,7 @@ void i915_gem_context_fini(struct drm_device *dev)
lockdep_assert_held(&dev->struct_mutex);
i915_gem_context_unreference(dctx);
i915_gem_context_put(dctx);
dev_priv->kernel_context = NULL;
ida_destroy(&dev_priv->context_hw_ida);
@ -515,7 +515,7 @@ static int context_idr_cleanup(int id, void *p, void *data)
struct i915_gem_context *ctx = p;
ctx->file_priv = ERR_PTR(-EBADF);
i915_gem_context_unreference(ctx);
i915_gem_context_put(ctx);
return 0;
}
@ -827,10 +827,9 @@ static int do_rcs_switch(struct drm_i915_gem_request *req)
/* obj is kept alive until the next request by its active ref */
i915_gem_object_ggtt_unpin(from->engine[RCS].state);
i915_gem_context_unreference(from);
i915_gem_context_put(from);
}
i915_gem_context_reference(to);
engine->last_context = to;
engine->last_context = i915_gem_context_get(to);
/* GEN8 does *not* require an explicit reload if the PDPs have been
* setup, and we do not wish to move them.
@ -914,10 +913,9 @@ int i915_switch_context(struct drm_i915_gem_request *req)
}
if (to != engine->last_context) {
i915_gem_context_reference(to);
if (engine->last_context)
i915_gem_context_unreference(engine->last_context);
engine->last_context = to;
i915_gem_context_put(engine->last_context);
engine->last_context = i915_gem_context_get(to);
}
return 0;
@ -1014,7 +1012,7 @@ int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
}
idr_remove(&file_priv->context_idr, ctx->user_handle);
i915_gem_context_unreference(ctx);
i915_gem_context_put(ctx);
mutex_unlock(&dev->struct_mutex);
DRM_DEBUG_DRIVER("HW context %d destroyed\n", args->ctx_id);

6
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View File

@ -1509,7 +1509,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
goto pre_mutex_err;
}
i915_gem_context_reference(ctx);
i915_gem_context_get(ctx);
if (ctx->ppgtt)
vm = &ctx->ppgtt->base;
@ -1520,7 +1520,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
eb = eb_create(args);
if (eb == NULL) {
i915_gem_context_unreference(ctx);
i915_gem_context_put(ctx);
mutex_unlock(&dev->struct_mutex);
ret = -ENOMEM;
goto pre_mutex_err;
@ -1664,7 +1664,7 @@ err_batch_unpin:
err:
/* the request owns the ref now */
i915_gem_context_unreference(ctx);
i915_gem_context_put(ctx);
eb_destroy(eb);
mutex_unlock(&dev->struct_mutex);

7
drivers/gpu/drm/i915/i915_gem_request.c
View File

@ -180,7 +180,7 @@ static void i915_gem_request_retire(struct drm_i915_gem_request *request)
request->engine);
}
i915_gem_context_unreference(request->ctx);
i915_gem_context_put(request->ctx);
i915_gem_request_put(request);
}
@ -341,8 +341,7 @@ __i915_gem_request_alloc(struct intel_engine_cs *engine,
req->i915 = dev_priv;
req->engine = engine;
req->ctx = ctx;
i915_gem_context_reference(ctx);
req->ctx = i915_gem_context_get(ctx);
/*
* Reserve space in the ring buffer for all the commands required to
@ -364,7 +363,7 @@ __i915_gem_request_alloc(struct intel_engine_cs *engine,
return 0;
err_ctx:
i915_gem_context_unreference(ctx);
i915_gem_context_put(ctx);
err:
kmem_cache_free(dev_priv->requests, req);
return ret;

4
drivers/gpu/drm/i915/intel_lrc.c
View File

@ -980,7 +980,6 @@ static int intel_lr_context_pin(struct i915_gem_context *ctx,
if (ret)
goto unpin_map;
i915_gem_context_reference(ctx);
ce->lrc_vma = i915_gem_obj_to_ggtt(ce->state);
intel_lr_context_descriptor_update(ctx, engine);
@ -992,6 +991,7 @@ static int intel_lr_context_pin(struct i915_gem_context *ctx,
if (i915.enable_guc_submission)
I915_WRITE(GEN8_GTCR, GEN8_GTCR_INVALIDATE);
i915_gem_context_get(ctx);
return 0;
unpin_map:
@ -1023,7 +1023,7 @@ void intel_lr_context_unpin(struct i915_gem_context *ctx,
ce->lrc_desc = 0;
ce->lrc_reg_state = NULL;
i915_gem_context_unreference(ctx);
i915_gem_context_put(ctx);
}
static int intel_logical_ring_workarounds_emit(struct drm_i915_gem_request *req)

4
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -2139,7 +2139,7 @@ static int intel_ring_context_pin(struct i915_gem_context *ctx,
if (ctx == ctx->i915->kernel_context)
ce->initialised = true;
i915_gem_context_reference(ctx);
i915_gem_context_get(ctx);
return 0;
error:
@ -2160,7 +2160,7 @@ static void intel_ring_context_unpin(struct i915_gem_context *ctx,
if (ce->state)
i915_gem_object_ggtt_unpin(ce->state);
i915_gem_context_unreference(ctx);
i915_gem_context_put(ctx);
}
static int intel_init_ring_buffer(struct intel_engine_cs *engine)