Commit 7db4dede authored by Amy Zhang's avatar Amy Zhang Committed by Alex Deucher
Browse files

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



Signed-off-by: default avatarAmy Zhang <Amy.Zhang@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2ea5e9a8

drivers/gpu/drm/amd/display/dc/core/dc_link.c

+13 −0
Original line number Diff line number Diff line
@@ -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)

{

drivers/gpu/drm/amd/display/dc/dc.h

+2 −0
Original line number Diff line number Diff line
@@ -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);

drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c

+2 −0
Original line number Diff line number Diff line
@@ -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

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

+1 −0
Original line number Diff line number Diff line
@@ -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