diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h index c2671f2616c8..af678462f0e6 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h @@ -565,6 +565,16 @@ dmub_srv_send_gpint_command(struct dmub_srv *dmub, enum dmub_status dmub_srv_get_gpint_response(struct dmub_srv *dmub, uint32_t *response); +/** + * dmub_flush_buffer_mem() - Read back entire frame buffer region. + * This ensures that the write from x86 has been flushed and will not + * hang the DMCUB. + * @fb: frame buffer to flush + * + * Can be called after software initialization. + */ +void dmub_flush_buffer_mem(const struct dmub_fb *fb); + #if defined(__cplusplus) } #endif |