| Message ID | 20241010224311.50133-4-matthew.s.atwood@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add xe3lpd edp enabling | expand |
On Thu, Oct 10, 2024 at 03:43:04PM -0700, Matt Atwood wrote: > From: Matt Roper <matthew.d.roper@intel.com> > > Xe3's power well handling is similar to previous platforms, but there > are a few changes that need to be handled to ensure optimal power > management: > - PGB now only depends on PG1, not PG2 > - Transcoder B is now in PG1 (was previously in PGB) > - Transcoders C & D are now in PG2 (were previously in PGC/PGD) > - DC states now require PG2 to be off (whereas on Xe2 it could remain > on as a dependency of PGB, although the features inside of it could > not be used). > > Bspec: 72519, 68851 > Signed-off-by: Matt Roper <matthew.d.roper@intel.com> > Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com> > Reviewed-by: Luca Coelho <luciano.coelho@intel.com> Patches #1-3 of the series applied to drm-intel-next. Thanks for the patches and reviews. Matt > --- > .../i915/display/intel_display_power_map.c | 135 +++++++++++++++++- > 1 file changed, 134 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_display_power_map.c b/drivers/gpu/drm/i915/display/intel_display_power_map.c > index 10948b3964ee..255b2c09607c 100644 > --- a/drivers/gpu/drm/i915/display/intel_display_power_map.c > +++ b/drivers/gpu/drm/i915/display/intel_display_power_map.c > @@ -1586,6 +1586,137 @@ static const struct i915_power_well_desc_list xe2lpd_power_wells[] = { > I915_PW_DESCRIPTORS(xe2lpd_power_wells_pica), > }; > > +/* > + * Xe3 changes the power well hierarchy slightly from Xe_LPD+; PGB now > + * depends on PG1 instead of PG2: > + * > + * PG0 > + * | > + * --PG1-- > + * / | \ > + * PGA PGB PG2 > + * / \ > + * PGC PGD > + */ > + > +#define XE3LPD_PW_C_POWER_DOMAINS \ > + POWER_DOMAIN_PIPE_C, \ > + POWER_DOMAIN_PIPE_PANEL_FITTER_C > + > +#define XE3LPD_PW_D_POWER_DOMAINS \ > + POWER_DOMAIN_PIPE_D, \ > + POWER_DOMAIN_PIPE_PANEL_FITTER_D > + > +#define XE3LPD_PW_2_POWER_DOMAINS \ > + XE3LPD_PW_C_POWER_DOMAINS, \ > + XE3LPD_PW_D_POWER_DOMAINS, \ > + POWER_DOMAIN_TRANSCODER_C, \ > + POWER_DOMAIN_TRANSCODER_D, \ > + POWER_DOMAIN_VGA, \ > + POWER_DOMAIN_PORT_DDI_LANES_TC1, \ > + POWER_DOMAIN_PORT_DDI_LANES_TC2, \ > + POWER_DOMAIN_PORT_DDI_LANES_TC3, \ > + POWER_DOMAIN_PORT_DDI_LANES_TC4 > + > +I915_DECL_PW_DOMAINS(xe3lpd_pwdoms_pw_2, > + XE3LPD_PW_2_POWER_DOMAINS, > + POWER_DOMAIN_INIT); > + > +I915_DECL_PW_DOMAINS(xe3lpd_pwdoms_pw_b, > + POWER_DOMAIN_PIPE_B, > + POWER_DOMAIN_PIPE_PANEL_FITTER_B, > + POWER_DOMAIN_INIT); > + > +I915_DECL_PW_DOMAINS(xe3lpd_pwdoms_pw_c, > + XE3LPD_PW_C_POWER_DOMAINS, > + POWER_DOMAIN_INIT); > + > +I915_DECL_PW_DOMAINS(xe3lpd_pwdoms_pw_d, > + XE3LPD_PW_D_POWER_DOMAINS, > + POWER_DOMAIN_INIT); > + > +static const struct i915_power_well_desc xe3lpd_power_wells_main[] = { > + { > + .instances = &I915_PW_INSTANCES( > + I915_PW("PW_2", &xe3lpd_pwdoms_pw_2, > + .hsw.idx = ICL_PW_CTL_IDX_PW_2, > + .id = SKL_DISP_PW_2), > + ), > + .ops = &hsw_power_well_ops, > + .has_vga = true, > + .has_fuses = true, > + }, { > + .instances = &I915_PW_INSTANCES( > + I915_PW("PW_A", &xelpd_pwdoms_pw_a, > + .hsw.idx = XELPD_PW_CTL_IDX_PW_A), > + ), > + .ops = &hsw_power_well_ops, > + .irq_pipe_mask = BIT(PIPE_A), > + .has_fuses = true, > + }, { > + .instances = &I915_PW_INSTANCES( > + I915_PW("PW_B", &xe3lpd_pwdoms_pw_b, > + .hsw.idx = XELPD_PW_CTL_IDX_PW_B), > + ), > + .ops = &hsw_power_well_ops, > + .irq_pipe_mask = BIT(PIPE_B), > + .has_fuses = true, > + }, { > + .instances = &I915_PW_INSTANCES( > + I915_PW("PW_C", &xe3lpd_pwdoms_pw_c, > + .hsw.idx = XELPD_PW_CTL_IDX_PW_C), > + ), > + .ops = &hsw_power_well_ops, > + .irq_pipe_mask = BIT(PIPE_C), > + .has_fuses = true, > + }, { > + .instances = &I915_PW_INSTANCES( > + I915_PW("PW_D", &xe3lpd_pwdoms_pw_d, > + .hsw.idx = XELPD_PW_CTL_IDX_PW_D), > + ), > + .ops = &hsw_power_well_ops, > + .irq_pipe_mask = BIT(PIPE_D), > + .has_fuses = true, > + }, { > + .instances = &I915_PW_INSTANCES( > + I915_PW("AUX_A", &icl_pwdoms_aux_a, .xelpdp.aux_ch = AUX_CH_A), > + I915_PW("AUX_B", &icl_pwdoms_aux_b, .xelpdp.aux_ch = AUX_CH_B), > + I915_PW("AUX_TC1", &xelpdp_pwdoms_aux_tc1, .xelpdp.aux_ch = AUX_CH_USBC1), > + I915_PW("AUX_TC2", &xelpdp_pwdoms_aux_tc2, .xelpdp.aux_ch = AUX_CH_USBC2), > + I915_PW("AUX_TC3", &xelpdp_pwdoms_aux_tc3, .xelpdp.aux_ch = AUX_CH_USBC3), > + I915_PW("AUX_TC4", &xelpdp_pwdoms_aux_tc4, .xelpdp.aux_ch = AUX_CH_USBC4), > + ), > + .ops = &xelpdp_aux_power_well_ops, > + }, > +}; > + > +I915_DECL_PW_DOMAINS(xe3lpd_pwdoms_dc_off, > + POWER_DOMAIN_DC_OFF, > + XE3LPD_PW_2_POWER_DOMAINS, > + XE3LPD_PW_C_POWER_DOMAINS, > + XE3LPD_PW_D_POWER_DOMAINS, > + POWER_DOMAIN_AUDIO_MMIO, > + POWER_DOMAIN_INIT); > + > +static const struct i915_power_well_desc xe3lpd_power_wells_dcoff[] = { > + { > + .instances = &I915_PW_INSTANCES( > + I915_PW("DC_off", &xe3lpd_pwdoms_dc_off, > + .id = SKL_DISP_DC_OFF), > + ), > + .ops = &gen9_dc_off_power_well_ops, > + }, > +}; > + > + > +static const struct i915_power_well_desc_list xe3lpd_power_wells[] = { > + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), > + I915_PW_DESCRIPTORS(icl_power_wells_pw_1), > + I915_PW_DESCRIPTORS(xe3lpd_power_wells_dcoff), > + I915_PW_DESCRIPTORS(xe3lpd_power_wells_main), > + I915_PW_DESCRIPTORS(xe2lpd_power_wells_pica), > +}; > + > static void init_power_well_domains(const struct i915_power_well_instance *inst, > struct i915_power_well *power_well) > { > @@ -1693,7 +1824,9 @@ int intel_display_power_map_init(struct i915_power_domains *power_domains) > return 0; > } > > - if (DISPLAY_VER(i915) >= 20) > + if (DISPLAY_VER(i915) >= 30) > + return set_power_wells(power_domains, xe3lpd_power_wells); > + else if (DISPLAY_VER(i915) >= 20) > return set_power_wells(power_domains, xe2lpd_power_wells); > else if (DISPLAY_VER(i915) >= 14) > return set_power_wells(power_domains, xelpdp_power_wells); > -- > 2.45.0 >
diff --git a/drivers/gpu/drm/i915/display/intel_display_power_map.c b/drivers/gpu/drm/i915/display/intel_display_power_map.c index 10948b3964ee..255b2c09607c 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power_map.c +++ b/drivers/gpu/drm/i915/display/intel_display_power_map.c @@ -1586,6 +1586,137 @@ static const struct i915_power_well_desc_list xe2lpd_power_wells[] = { I915_PW_DESCRIPTORS(xe2lpd_power_wells_pica), }; +/* + * Xe3 changes the power well hierarchy slightly from Xe_LPD+; PGB now + * depends on PG1 instead of PG2: + * + * PG0 + * | + * --PG1-- + * / | \ + * PGA PGB PG2 + * / \ + * PGC PGD + */ + +#define XE3LPD_PW_C_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_C, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_C + +#define XE3LPD_PW_D_POWER_DOMAINS \ + POWER_DOMAIN_PIPE_D, \ + POWER_DOMAIN_PIPE_PANEL_FITTER_D + +#define XE3LPD_PW_2_POWER_DOMAINS \ + XE3LPD_PW_C_POWER_DOMAINS, \ + XE3LPD_PW_D_POWER_DOMAINS, \ + POWER_DOMAIN_TRANSCODER_C, \ + POWER_DOMAIN_TRANSCODER_D, \ + POWER_DOMAIN_VGA, \ + POWER_DOMAIN_PORT_DDI_LANES_TC1, \ + POWER_DOMAIN_PORT_DDI_LANES_TC2, \ + POWER_DOMAIN_PORT_DDI_LANES_TC3, \ + POWER_DOMAIN_PORT_DDI_LANES_TC4 + +I915_DECL_PW_DOMAINS(xe3lpd_pwdoms_pw_2, + XE3LPD_PW_2_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(xe3lpd_pwdoms_pw_b, + POWER_DOMAIN_PIPE_B, + POWER_DOMAIN_PIPE_PANEL_FITTER_B, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(xe3lpd_pwdoms_pw_c, + XE3LPD_PW_C_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +I915_DECL_PW_DOMAINS(xe3lpd_pwdoms_pw_d, + XE3LPD_PW_D_POWER_DOMAINS, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc xe3lpd_power_wells_main[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_2", &xe3lpd_pwdoms_pw_2, + .hsw.idx = ICL_PW_CTL_IDX_PW_2, + .id = SKL_DISP_PW_2), + ), + .ops = &hsw_power_well_ops, + .has_vga = true, + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_A", &xelpd_pwdoms_pw_a, + .hsw.idx = XELPD_PW_CTL_IDX_PW_A), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_A), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_B", &xe3lpd_pwdoms_pw_b, + .hsw.idx = XELPD_PW_CTL_IDX_PW_B), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_B), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_C", &xe3lpd_pwdoms_pw_c, + .hsw.idx = XELPD_PW_CTL_IDX_PW_C), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_C), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("PW_D", &xe3lpd_pwdoms_pw_d, + .hsw.idx = XELPD_PW_CTL_IDX_PW_D), + ), + .ops = &hsw_power_well_ops, + .irq_pipe_mask = BIT(PIPE_D), + .has_fuses = true, + }, { + .instances = &I915_PW_INSTANCES( + I915_PW("AUX_A", &icl_pwdoms_aux_a, .xelpdp.aux_ch = AUX_CH_A), + I915_PW("AUX_B", &icl_pwdoms_aux_b, .xelpdp.aux_ch = AUX_CH_B), + I915_PW("AUX_TC1", &xelpdp_pwdoms_aux_tc1, .xelpdp.aux_ch = AUX_CH_USBC1), + I915_PW("AUX_TC2", &xelpdp_pwdoms_aux_tc2, .xelpdp.aux_ch = AUX_CH_USBC2), + I915_PW("AUX_TC3", &xelpdp_pwdoms_aux_tc3, .xelpdp.aux_ch = AUX_CH_USBC3), + I915_PW("AUX_TC4", &xelpdp_pwdoms_aux_tc4, .xelpdp.aux_ch = AUX_CH_USBC4), + ), + .ops = &xelpdp_aux_power_well_ops, + }, +}; + +I915_DECL_PW_DOMAINS(xe3lpd_pwdoms_dc_off, + POWER_DOMAIN_DC_OFF, + XE3LPD_PW_2_POWER_DOMAINS, + XE3LPD_PW_C_POWER_DOMAINS, + XE3LPD_PW_D_POWER_DOMAINS, + POWER_DOMAIN_AUDIO_MMIO, + POWER_DOMAIN_INIT); + +static const struct i915_power_well_desc xe3lpd_power_wells_dcoff[] = { + { + .instances = &I915_PW_INSTANCES( + I915_PW("DC_off", &xe3lpd_pwdoms_dc_off, + .id = SKL_DISP_DC_OFF), + ), + .ops = &gen9_dc_off_power_well_ops, + }, +}; + + +static const struct i915_power_well_desc_list xe3lpd_power_wells[] = { + I915_PW_DESCRIPTORS(i9xx_power_wells_always_on), + I915_PW_DESCRIPTORS(icl_power_wells_pw_1), + I915_PW_DESCRIPTORS(xe3lpd_power_wells_dcoff), + I915_PW_DESCRIPTORS(xe3lpd_power_wells_main), + I915_PW_DESCRIPTORS(xe2lpd_power_wells_pica), +}; + static void init_power_well_domains(const struct i915_power_well_instance *inst, struct i915_power_well *power_well) { @@ -1693,7 +1824,9 @@ int intel_display_power_map_init(struct i915_power_domains *power_domains) return 0; } - if (DISPLAY_VER(i915) >= 20) + if (DISPLAY_VER(i915) >= 30) + return set_power_wells(power_domains, xe3lpd_power_wells); + else if (DISPLAY_VER(i915) >= 20) return set_power_wells(power_domains, xe2lpd_power_wells); else if (DISPLAY_VER(i915) >= 14) return set_power_wells(power_domains, xelpdp_power_wells);