diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c index df3879c713c5..0d6fe7c29c20 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c @@ -293,12 +293,26 @@ static void dmub_psr_force_static(struct dmub_psr *dmub) dc_dmub_srv_wait_idle(dc->dmub_srv); } +/** + * Get PSR residency from firmware. + */ +static void dmub_psr_get_residency(struct dmub_psr *dmub, uint32_t *residency) +{ + struct dmub_srv *srv = dmub->ctx->dmub_srv->dmub; + + // Send gpint command and wait for ack + dmub_srv_send_gpint_command(srv, DMUB_GPINT__PSR_RESIDENCY, 0, 30); + + dmub_srv_get_gpint_response(srv, residency); +} + static const struct dmub_psr_funcs psr_funcs = { .psr_copy_settings = dmub_psr_copy_settings, .psr_enable = dmub_psr_enable, .psr_get_state = dmub_psr_get_state, .psr_set_level = dmub_psr_set_level, .psr_force_static = dmub_psr_force_static, + .psr_get_residency = dmub_psr_get_residency, }; /** |