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drm/amd/display: Add function to get PSR state

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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>
This commit is contained in:
Amy Zhang 2017-05-30 16:16:57 -04:00 committed by Alex Deucher
parent 2ea5e9a8bd
commit 7db4dede64
4 changed files with 18 additions and 0 deletions
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13
drivers/gpu/drm/amd/display/dc/core/dc_link.c
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@ -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)
{

2
drivers/gpu/drm/amd/display/dc/dc.h
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@ -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);

2
drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
View File

@ -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

1
drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h
View File

@ -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