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| author | Wyatt Wood <wyatt.wood@amd.com> | 2020-10-21 08:36:51 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-11-16 12:18:38 -0500 |
| commit | b8e0b3d611e3388361d86a19f27bf2a6d7366111 (patch) | |
| tree | 3520e4e0a4bcbe68537cf025233ea66ba7d09671 /drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | |
| parent | 58cae8ac6b87c11917e58f3f4bbe4cd1c6d86352 (diff) | |
| download | linux-b8e0b3d611e3388361d86a19f27bf2a6d7366111.tar.gz | |
drm/amd/display: Hook up PSR residency command to DSAT
[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>
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, }; /** |