diff options
Diffstat (limited to 'src/vivante_utils.c')
| -rw-r--r-- | src/vivante_utils.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/vivante_utils.c b/src/vivante_utils.c index 086f0a0..cfa9697 100644 --- a/src/vivante_utils.c +++ b/src/vivante_utils.c @@ -7,6 +7,12 @@ #ifdef HAVE_CONFIG_H #include "config.h" #endif + +#include <errno.h> +#include <stdarg.h> +#include <stdio.h> +#include <unistd.h> + #ifdef HAVE_DIX_CONFIG_H #include "dix-config.h" #endif @@ -15,6 +21,7 @@ #include "xf86.h" #include <armada_bufmgr.h> +#include "gal_extension.h" #include "vivante_accel.h" #include "vivante_utils.h" @@ -104,6 +111,49 @@ void vivante_unmap_gpu(struct vivante *vivante, struct vivante_pixmap *vPix) vPix->info = NULL; } + +Bool vivante_map_bo_to_gpu(struct vivante *vivante, struct drm_armada_bo *bo, + void **info, uint32_t *handle) +{ + struct map_dma_buf map; + gceSTATUS status; + int fd; + + if (drm_armada_bo_to_fd(bo, &fd)) { + xf86DrvMsg(vivante->scrnIndex, X_ERROR, + "vivante: unable to get prime fd for bo: %s\n", + strerror(errno)); + return FALSE; + } + + map.zero = 0; + map.fd = fd; + + status = gcoOS_DeviceControl(vivante->os, IOC_GDMABUF_MAP, + &map, sizeof(map), &map, sizeof(map)); + + /* we don't need to keep the fd around anymore */ + close(fd); + + if (gcmIS_ERROR(status)) { + xf86DrvMsg(vivante->scrnIndex, X_INFO, + "vivante: gpu dmabuf map failed: %d\n", + status); + return FALSE; + } + + *handle = map.Address; + *info = map.Info; + + return TRUE; +} + +void vivante_unmap_from_gpu(struct vivante *vivante, void *info, + uint32_t handle) +{ + gcoOS_UnmapUserMemory(vivante->os, (void *)1, 1, info, handle); +} + /* * Map a pixmap to the GPU, and mark the GPU as owning this BO. */ |