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Commit cb56acea authored by Dave Airlie's avatar Dave Airlie Committed by Alex Deucher
Browse files

amdgpu/dc: convert dc_sink to kref. 



Refcounts use krefs.

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bfe0feb1

drivers/gpu/drm/amd/display/dc/core/dc_sink.c

+10 −10
Original line number Diff line number Diff line
@@ -63,19 +63,19 @@ static bool construct(struct dc_sink *sink, const struct dc_sink_init_data *init 


void dc_sink_retain(struct dc_sink *sink)

{

	ASSERT(atomic_read(&sink->ref_count) > 0);

	atomic_inc(&sink->ref_count);

	kref_get(&sink->refcount);

}



void dc_sink_release(struct dc_sink *sink)

static void dc_sink_free(struct kref *kref)

{

	ASSERT(atomic_read(&sink->ref_count) > 0);

	atomic_dec(&sink->ref_count);



	if (atomic_read(&sink->ref_count) == 0) {

	struct dc_sink *sink = container_of(kref, struct dc_sink, refcount);

	destruct(sink);

	kfree(sink);

}



void dc_sink_release(struct dc_sink *sink)

{

	kref_put(&sink->refcount, dc_sink_free);

}



struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params)
@@ -88,7 +88,7 @@ struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params) 
	if (false == construct(sink, init_params))

		goto construct_fail;



	atomic_inc(&sink->ref_count);

	kref_init(&sink->refcount);



	return sink;

drivers/gpu/drm/amd/display/dc/dc.h

+1 −1
Original line number Diff line number Diff line
@@ -971,7 +971,7 @@ struct dc_sink { 
	struct dc_context *ctx;



	/* private to dc_sink.c */

	atomic_t ref_count;

	struct kref refcount;

};



void dc_sink_retain(struct dc_sink *sink);