diff options
Diffstat (limited to 'v4l2-mfc-example')
| -rw-r--r-- | v4l2-mfc-example/common.h | 2 | ||||
| -rw-r--r-- | v4l2-mfc-example/drm.c | 18 |
2 files changed, 12 insertions, 8 deletions
diff --git a/v4l2-mfc-example/common.h b/v4l2-mfc-example/common.h index 1fc3243..3b3e5a3 100644 --- a/v4l2-mfc-example/common.h +++ b/v4l2-mfc-example/common.h @@ -121,7 +121,7 @@ struct instance { unsigned int crtc_id; #ifdef DRM struct drm_exynos_gem_create gem[MAX_BUFS]; - struct drm_exynos_gem_mmap mmap[MAX_BUFS]; + struct drm_mode_map_dumb mmap[MAX_BUFS]; drmModeRes *resources; #endif char enabled; diff --git a/v4l2-mfc-example/drm.c b/v4l2-mfc-example/drm.c index d53a0b4..b60b439 100644 --- a/v4l2-mfc-example/drm.c +++ b/v4l2-mfc-example/drm.c @@ -47,6 +47,9 @@ int drm_open(struct instance *i, char *name) unsigned int fb_id; int ret; int n; + struct drm_mode_map_dumb arg; + void *map = NULL; + i->drm.fd =drmOpen(name, NULL); if (i->drm.fd < 0) { @@ -87,22 +90,23 @@ int drm_open(struct instance *i, char *name) return -1; } } else { - i->drm.mmap[n].handle = i->drm.gem[n].handle; - i->drm.mmap[n].size = i->drm.gem[n].size; - ret = ioctl(i->drm.fd, DRM_IOCTL_EXYNOS_GEM_MMAP, &i->drm.mmap[n]); + memset(&arg, 0, sizeof(&arg)); + arg.handle = i->drm.gem[n].handle; + ret = ioctl(i->drm.fd, DRM_IOCTL_MODE_MAP_DUMB, &arg); if (ret < 0) { ioctl(i->drm.fd, DRM_IOCTL_GEM_CLOSE, &args); err("Failed to mmap gem"); return -1; } - i->drm.p[n] = (char *)(unsigned int)i->drm.mmap[n].mapped; - i->fimc.p[n] = (char *)(unsigned int)i->drm.mmap[n].mapped; + i->drm.mmap[n].offset = arg.offset; + i->drm.p[n] = (char *)(unsigned int)map; + i->fimc.p[n] = (char *)(unsigned int)map; + map = mmap(0, i->drm.gem[n].size, PROT_READ | PROT_WRITE, MAP_SHARED,i->drm.fd, i->drm.mmap[n].offset); } ret = drmModeAddFB(i->drm.fd, i->drm.width, i->drm.height, 32, 32, 4 * i->drm.width, i->drm.gem[n].handle, &fb_id); if (ret) { - munmap((void *)(unsigned long)i->drm.mmap[n].mapped, - i->drm.gem[n].size); + munmap((void *)(unsigned long)map,i->drm.gem[n].size); ioctl(i->drm.fd, DRM_IOCTL_GEM_CLOSE, &args); err("Failed to add fb"); return -1; |