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drm/atomic: Avoid connector to writeback_connector casts 

Use container_of() instead of type casting so that it keeps working
even if base is moved inside the drm_writeback_connector struct.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180703075022.15138-2-boris.brezillon@bootlin.com
This commit is contained in:
Boris Brezillon 2018-07-03 09:50:15 +02:00
parent 73915b2b1f
commit b82c1f8f78
2 changed files with 9 additions and 1 deletions
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4
drivers/gpu/drm/drm_atomic.c
View File

@ -2428,6 +2428,7 @@ static int prepare_signaling(struct drm_device *dev,
}
for_each_new_connector_in_state(state, conn, conn_state, i) {
struct drm_writeback_connector *wb_conn;
struct drm_writeback_job *job;
struct drm_out_fence_state *f;
struct dma_fence *fence;
@ -2451,7 +2452,8 @@ static int prepare_signaling(struct drm_device *dev,
f[*num_fences].out_fence_ptr = fence_ptr;
*fence_state = f;
fence = drm_writeback_get_out_fence((struct drm_writeback_connector *)conn);
wb_conn = drm_connector_to_writeback(conn);
fence = drm_writeback_get_out_fence(wb_conn);
if (!fence)
return -ENOMEM;

6
include/drm/drm_writeback.h
View File

@ -110,6 +110,12 @@ struct drm_writeback_job {
struct dma_fence *out_fence;
};
static inline struct drm_writeback_connector *
drm_connector_to_writeback(struct drm_connector *connector)
{
return container_of(connector, struct drm_writeback_connector, base);
}
int drm_writeback_connector_init(struct drm_device *dev,
struct drm_writeback_connector *wb_connector,
const struct drm_connector_funcs *con_funcs,