From 65e7a17499e15771339d85eaa1ba686ad2fe342c Mon Sep 17 00:00:00 2001 From: David Zhang Date: Mon, 25 Apr 2022 18:08:13 -0400 Subject: drm/amd/display: add shared helpers to update psr config fields to power module [why] Currently the amdgpu DM psr configuration parameters are hardcoded before feeding into the DC helper to setup PSR. We would define a helper which is to calculate parts of the psr config fields to avoid hard-coding. [how] To make helper shareable, declare and define the helper in the module_helper, to set/update below fields: - psr remote buffer setup time - sdp tx line number deadline - line time in us - su_y_granularity - su_granularity_required - psr_frame_capture_indication_req - psr_exit_link_training_required add another helper to check given the stream context, if there is only one stream and the output is eDP panel connected. changes in v2: ------------------ - add detailed comment for how psr setup time is calculated as per eDP 1.5 spec Cc: Chandan Vurdigerenataraj Signed-off-by: David Zhang Acked-by: Leo Li Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/modules/power/power_helpers.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/gpu/drm/amd/display/modules/power/power_helpers.h') diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h index 1a634d8c78c5..316452e9dbc9 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h @@ -27,6 +27,7 @@ #include "dc/inc/hw/dmcu.h" #include "dc/inc/hw/abm.h" +#include "dc/inc/core_types.h" struct resource_pool; @@ -53,4 +54,9 @@ bool dmub_init_abm_config(struct resource_pool *res_pool, unsigned int inst); bool is_psr_su_specific_panel(struct dc_link *link); +void mod_power_calc_psr_configs(struct psr_config *psr_config, + struct dc_link *link, + const struct dc_stream_state *stream); +bool mod_power_only_edp(const struct dc_state *context, + const struct dc_stream_state *stream); #endif /* MODULES_POWER_POWER_HELPERS_H_ */ -- cgit v1.2.3