diff options
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/bios/command_table2.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c index a91d7be5d86e..25bdf1c38e0a 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c @@ -920,11 +920,39 @@ static void init_enable_lvtma_control(struct bios_parser *bp) } +static void enable_lvtma_control_dmcub( + struct dc_dmub_srv *dmcub, + uint8_t uc_pwr_on) +{ + + union dmub_rb_cmd cmd; + + memset(&cmd, 0, sizeof(cmd)); + + cmd.cmd_common.header.type = DMUB_CMD__VBIOS; + cmd.cmd_common.header.sub_type = + DMUB_CMD__VBIOS_LVTMA_CONTROL; + cmd.cmd_common.cmd_buffer[0] = + uc_pwr_on; + + dc_dmub_srv_cmd_queue(dmcub, &cmd); + dc_dmub_srv_cmd_execute(dmcub); + dc_dmub_srv_wait_idle(dmcub); + +} + static enum bp_result enable_lvtma_control( struct bios_parser *bp, uint8_t uc_pwr_on) { enum bp_result result = BP_RESULT_FAILURE; + + if (bp->base.ctx->dc->ctx->dmub_srv && + bp->base.ctx->dc->debug.dmub_command_table) { + enable_lvtma_control_dmcub(bp->base.ctx->dmub_srv, + uc_pwr_on); + return BP_RESULT_OK; + } return result; } |