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 | 18 |
1 files changed, 17 insertions, 1 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 22fc4ba96def..9ad738805320 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -64,7 +64,7 @@ /* Default scratch mem size. */ -#define DMUB_SCRATCH_MEM_SIZE (256) +#define DMUB_SCRATCH_MEM_SIZE (1024) /* Number of windows in use. */ #define DMUB_NUM_WINDOWS (DMUB_WINDOW_TOTAL) @@ -713,6 +713,7 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub, dmub->hw_funcs.reset_release(dmub); dmub->hw_init = true; + dmub->power_state = DMUB_POWER_STATE_D0; return DMUB_STATUS_OK; } @@ -766,6 +767,9 @@ enum dmub_status dmub_srv_cmd_queue(struct dmub_srv *dmub, if (!dmub->hw_init) return DMUB_STATUS_INVALID; + if (dmub->power_state != DMUB_POWER_STATE_D0) + return DMUB_STATUS_POWER_STATE_D3; + if (dmub->inbox1_rb.rptr > dmub->inbox1_rb.capacity || dmub->inbox1_rb.wrpt > dmub->inbox1_rb.capacity) { return DMUB_STATUS_HW_FAILURE; @@ -784,6 +788,9 @@ enum dmub_status dmub_srv_cmd_execute(struct dmub_srv *dmub) if (!dmub->hw_init) return DMUB_STATUS_INVALID; + if (dmub->power_state != DMUB_POWER_STATE_D0) + return DMUB_STATUS_POWER_STATE_D3; + /** * Read back all the queued commands to ensure that they've * been flushed to framebuffer memory. Otherwise DMCUB might @@ -1077,6 +1084,7 @@ enum dmub_status dmub_srv_wait_for_inbox0_ack(struct dmub_srv *dmub, uint32_t ti ack = dmub->hw_funcs.read_inbox0_ack_register(dmub); if (ack) return DMUB_STATUS_OK; + udelay(1); } return DMUB_STATUS_TIMEOUT; } @@ -1099,3 +1107,11 @@ void dmub_srv_subvp_save_surf_addr(struct dmub_srv *dmub, const struct dc_plane_ subvp_index); } } + +void dmub_srv_set_power_state(struct dmub_srv *dmub, enum dmub_srv_power_state_type dmub_srv_power_state) +{ + if (!dmub || !dmub->hw_init) + return; + + dmub->power_state = dmub_srv_power_state; +} |