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drm/amd/display: Hook up PSR residency command to DSAT

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[Why]
Use GPINT command to get PSR residency from FW.

[How]
Hook up PSR residency command to DSAT.
Since PSR Count Request is deprecated, we will use this.

Signed-off-by: Wyatt Wood <wyatt.wood@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wyatt Wood 2020-10-21 08:36:51 -04:00 committed by Alex Deucher
parent 58cae8ac6b
commit b8e0b3d611
4 changed files with 29 additions and 0 deletions
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12
drivers/gpu/drm/amd/display/dc/core/dc_link.c
View file

@ -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;

2
drivers/gpu/drm/amd/display/dc/dc_link.h
View file

@ -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

14
drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
View file

@ -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,
};
/**

1
drivers/gpu/drm/amd/display/dc/dce/dmub_psr.h
View file

@ -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);