diff options
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 159458b3c287..dbfae422241e 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -33,6 +33,7 @@ #include <linux/list.h> #include <linux/slab.h> #include <linux/export.h> +#include <linux/dma-fence.h> #include <drm/drmP.h> #include <drm/drm_crtc.h> #include <drm/drm_edid.h> @@ -151,6 +152,38 @@ static void drm_crtc_crc_fini(struct drm_crtc *crtc) #endif } +static struct drm_crtc *fence_to_crtc(struct dma_fence *fence) +{ + BUG_ON(fence->ops != &drm_crtc_fence_ops); + return container_of(fence->lock, struct drm_crtc, fence_lock); +} + +static const char *drm_crtc_fence_get_driver_name(struct dma_fence *fence) +{ + struct drm_crtc *crtc = fence_to_crtc(fence); + + return crtc->dev->driver->name; +} + +static const char *drm_crtc_fence_get_timeline_name(struct dma_fence *fence) +{ + struct drm_crtc *crtc = fence_to_crtc(fence); + + return crtc->timeline_name; +} + +static bool drm_crtc_fence_enable_signaling(struct dma_fence *fence) +{ + return true; +} + +const struct dma_fence_ops drm_crtc_fence_ops = { + .get_driver_name = drm_crtc_fence_get_driver_name, + .get_timeline_name = drm_crtc_fence_get_timeline_name, + .enable_signaling = drm_crtc_fence_enable_signaling, + .wait = dma_fence_default_wait, +}; + /** * drm_crtc_init_with_planes - Initialise a new CRTC object with * specified primary and cursor planes. @@ -208,6 +241,11 @@ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, return -ENOMEM; } + crtc->fence_context = dma_fence_context_alloc(1); + spin_lock_init(&crtc->fence_lock); + snprintf(crtc->timeline_name, sizeof(crtc->timeline_name), + "CRTC:%d-%s", crtc->base.id, crtc->name); + crtc->base.properties = &crtc->properties; list_add_tail(&crtc->head, &config->crtc_list); |