diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c index ce32cc7933c4..0a1a851741c5 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -70,7 +70,7 @@ static inline uint32_t dmub_align(uint32_t val, uint32_t factor) return (val + factor - 1) / factor * factor; } -static void dmub_flush_buffer_mem(const struct dmub_fb *fb) +void dmub_flush_buffer_mem(const struct dmub_fb *fb) { const uint8_t *base = (const uint8_t *)fb->cpu_addr; uint8_t buf[64]; @@ -91,17 +91,29 @@ static void dmub_flush_buffer_mem(const struct dmub_fb *fb) } static const struct dmub_fw_meta_info * -dmub_get_fw_meta_info(const uint8_t *fw_bss_data, uint32_t fw_bss_data_size) +dmub_get_fw_meta_info(const struct dmub_srv_region_params *params) { const union dmub_fw_meta *meta; + const uint8_t *blob = NULL; + uint32_t blob_size = 0; + + if (params->fw_bss_data) { + /* Legacy metadata region. */ + blob = params->fw_bss_data; + blob_size = params->bss_data_size; + } else if (params->fw_inst_const) { + /* Combined metadata region. */ + blob = params->fw_inst_const; + blob_size = params->inst_const_size; + } - if (fw_bss_data == NULL) + if (!blob || !blob_size) return NULL; - if (fw_bss_data_size < sizeof(union dmub_fw_meta) + DMUB_FW_META_OFFSET) + if (blob_size < sizeof(union dmub_fw_meta) + DMUB_FW_META_OFFSET) return NULL; - meta = (const union dmub_fw_meta *)(fw_bss_data + fw_bss_data_size - + meta = (const union dmub_fw_meta *)(blob + blob_size - DMUB_FW_META_OFFSET - sizeof(union dmub_fw_meta)); @@ -247,8 +259,7 @@ dmub_srv_calc_region_info(struct dmub_srv *dmub, mail->base = dmub_align(bios->top, 256); mail->top = mail->base + DMUB_MAILBOX_SIZE; - fw_info = dmub_get_fw_meta_info(params->fw_bss_data, - params->bss_data_size); + fw_info = dmub_get_fw_meta_info(params); if (fw_info) { fw_state_size = fw_info->fw_region_size; |