diff options
| author |   Amy Zhang <Amy.Zhang@amd.com> | 2017-05-30 16:16:57 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 18:07:44 -0400 |
| commit | 7db4dede6425fba7177468123e5149916dd45fd4 (patch) | |
| tree | 04f8672d00dfa661833680abf44b2209a88ade3b | |
| parent | drm/amd/display: Universal cursor plane hook-up. (diff) | |
| download | linux-dev-7db4dede6425fba7177468123e5149916dd45fd4.tar.xz linux-dev-7db4dede6425fba7177468123e5149916dd45fd4.zip | |
drm/amd/display: Add function to get PSR state
Signed-off-by: Amy Zhang <Amy.Zhang@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h | 1 |
4 files changed, 18 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 79f3947a3ee1..318aaa762f31 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -1444,6 +1444,19 @@ bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable) return true; } +bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state) +{ + struct core_link *link = DC_LINK_TO_CORE(dc_link); + struct dc_context *ctx = link->ctx; + struct core_dc *core_dc = DC_TO_CORE(ctx->dc); + struct dmcu *dmcu = core_dc->res_pool->dmcu; + + if (dmcu != NULL && link->psr_enabled) + dmcu->funcs->get_psr_state(dmcu, psr_state); + + return true; +} + bool dc_link_setup_psr(const struct dc_link *dc_link, const struct dc_stream *stream, struct psr_config *psr_config) { diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index ce052d12a104..328bfcb7dbb8 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -702,6 +702,8 @@ bool dc_link_set_abm_disable(const struct dc_link *dc_link); bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable); +bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state); + bool dc_link_setup_psr(const struct dc_link *dc_link, const struct dc_stream *stream, struct psr_config *psr_config); diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c index c58328cd787b..03b51e256e21 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c @@ -470,6 +470,7 @@ static const struct dmcu_funcs dce_funcs = { .load_iram = dce_dmcu_load_iram, .set_psr_enable = dce_dmcu_set_psr_enable, .setup_psr = dce_dmcu_setup_psr, + .get_psr_state = dce_get_dmcu_psr_state }; #if defined(CONFIG_DRM_AMD_DC_DCN1_0) @@ -477,6 +478,7 @@ static const struct dmcu_funcs dcn10_funcs = { .load_iram = dcn10_dmcu_load_iram, .set_psr_enable = dcn10_dmcu_set_psr_enable, .setup_psr = dcn10_dmcu_setup_psr, + .get_psr_state = dcn10_get_dmcu_psr_state }; #endif diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h index 656cfdc79891..dff0babb5cf7 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h @@ -41,6 +41,7 @@ struct dmcu_funcs { void (*setup_psr)(struct dmcu *dmcu, struct core_link *link, struct psr_context *psr_context); + void (*get_psr_state)(struct dmcu *dmcu, uint32_t *psr_state); }; #endif |