diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_psr.h | 1 |
4 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index ee2a51b7a2ee..858acd3df2bc 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -2783,6 +2783,18 @@ bool dc_link_setup_psr(struct dc_link *link, } +void dc_link_get_psr_residency(const struct dc_link *link, uint32_t *residency) +{ + struct dc *dc = link->ctx->dc; + struct dmub_psr *psr = dc->res_pool->psr; + + // PSR residency measurements only supported on DMCUB + if (psr != NULL && link->psr_settings.psr_feature_enabled) + psr->funcs->psr_get_residency(psr, residency); + else + *residency = 0; +} + const struct dc_link_status *dc_link_get_status(const struct dc_link *link) { return &link->link_status; diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 39277aaa3e62..65b083e64131 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -228,6 +228,8 @@ bool dc_link_setup_psr(struct dc_link *dc_link, const struct dc_stream_state *stream, struct psr_config *psr_config, struct psr_context *psr_context); +void dc_link_get_psr_residency(const struct dc_link *link, uint32_t *residency); + /* Request DC to detect if there is a Panel connected. * boot - If this call is during initial boot. * Return false for any type of detection failure or MST detection 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, }; /** diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.h b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.h index 4e113ac5a56b..fe747c20a0d2 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.h +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.h @@ -40,6 +40,7 @@ struct dmub_psr_funcs { void (*psr_get_state)(struct dmub_psr *dmub, enum dc_psr_state *dc_psr_state); void (*psr_set_level)(struct dmub_psr *dmub, uint16_t psr_level); void (*psr_force_static)(struct dmub_psr *dmub); + void (*psr_get_residency)(struct dmub_psr *dmub, uint32_t *residency); }; struct dmub_psr *dmub_psr_create(struct dc_context *ctx); |