From: Jouni Högander Date: Fri, 5 Apr 2024 11:35:55 +0000 (+0300) Subject: drm/i915/psr: Add some documentation of variables used in psr code X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=7de3363e6059f92a7e5c4dba3492011b4daf9485;p=users%2Fjedix%2Flinux-maple.git drm/i915/psr: Add some documentation of variables used in psr code We are adding more boolean variable into intel_psr and intel_crtc_state structs. Add some documentation about these for sake of clarity. v2: Modify has_psr + has_panel_replay to mean panel replay Signed-off-by: Jouni Högander Reviewed-by: Animesh Manna Link: https://patchwork.freedesktop.org/patch/msgid/20240405113602.992714-2-jouni.hogander@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index eef62983e9db..45d13e042ade 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -171,6 +171,22 @@ * * The rest of the bits are more self-explanatory and/or * irrelevant for normal operation. + * + * Description of intel_crtc_state variables. has_psr, has_panel_replay and + * has_sel_update: + * + * has_psr (alone): PSR1 + * has_psr + has_sel_update: PSR2 + * has_psr + has_panel_replay: Panel Replay + * has_psr + has_panel_replay + has_sel_update: Panel Replay Selective Update + * + * Description of some intel_psr varibles. enabled, panel_replay_enabled, + * sel_update_enabled + * + * enabled (alone): PSR1 + * enabled + sel_update_enabled: PSR2 + * enabled + panel_replay_enabled: Panel Replay + * enabled + panel_replay_enabled + sel_update_enabled: Panel Replay SU */ #define CAN_PSR(intel_dp) ((intel_dp)->psr.sink_support && \