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amdgpu/dc: use kref for dc_plane_state.

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Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dave Airlie 2017-10-03 12:38:59 +10:00 committed by Alex Deucher
parent 5c58ab0bd6
commit 4d090f0fae
2 changed files with 11 additions and 11 deletions
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20
drivers/gpu/drm/amd/display/dc/core/dc_surface.c
View File

@ -71,8 +71,8 @@ struct dc_plane_state *dc_create_plane_state(struct dc *dc)
if (NULL == plane_state)
return NULL;
kref_init(&plane_state->refcount);
construct(core_dc->ctx, plane_state);
atomic_inc(&plane_state->ref_count);
return plane_state;
}
@ -112,19 +112,19 @@ const struct dc_plane_status *dc_plane_get_status(
void dc_plane_state_retain(struct dc_plane_state *plane_state)
{
ASSERT(atomic_read(&plane_state->ref_count) > 0);
atomic_inc(&plane_state->ref_count);
kref_get(&plane_state->refcount);
}
static void dc_plane_state_free(struct kref *kref)
{
struct dc_plane_state *plane_state = container_of(kref, struct dc_plane_state, refcount);
destruct(plane_state);
kfree(plane_state);
}
void dc_plane_state_release(struct dc_plane_state *plane_state)
{
ASSERT(atomic_read(&plane_state->ref_count) > 0);
atomic_dec(&plane_state->ref_count);
if (atomic_read(&plane_state->ref_count) == 0) {
destruct(plane_state);
kfree(plane_state);
}
kref_put(&plane_state->refcount, dc_plane_state_free);
}
void dc_gamma_retain(struct dc_gamma *gamma)

2
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -381,7 +381,7 @@ struct dc_plane_state {
/* private to dc_surface.c */
enum dc_irq_source irq_source;
atomic_t ref_count;
struct kref refcount;
};
struct dc_plane_info {