[Intel-gfx] [PATCH 2/9] drm/i915: Rename i915_gem_context_reference/unreference()
Chris Wilson
chris at chris-wilson.co.uk
Wed Jul 20 08:59:55 UTC 2016
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.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
---
drivers/gpu/drm/i915/i915_drv.h | 6 ++++--
drivers/gpu/drm/i915/i915_gem_context.c | 22 ++++++++++------------
drivers/gpu/drm/i915/i915_gem_execbuffer.c | 6 +++---
drivers/gpu/drm/i915/i915_gem_request.c | 7 +++----
drivers/gpu/drm/i915/intel_lrc.c | 4 ++--
drivers/gpu/drm/i915/intel_ringbuffer.c | 4 ++--
6 files changed, 24 insertions(+), 25 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e163a9487750..2131e7f1e57a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -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);
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 3b636161256c..71517918853a 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -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);
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index f6724ae210b3..551dd4f549fa 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -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);
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index 04ff97b10c08..60a3a343b3a8 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -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;
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index b23d4cc94cd5..6282fca6229c 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -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)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index af0bd71e3a36..3a7135d00033 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -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)
--
2.8.1
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