diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_power.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_power.h | 395 |
1 files changed, 147 insertions, 248 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h index 4f0917df4375..f8813b0e16df 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.h +++ b/drivers/gpu/drm/i915/display/intel_display_power.h @@ -6,107 +6,101 @@ #ifndef __INTEL_DISPLAY_POWER_H__ #define __INTEL_DISPLAY_POWER_H__ -#include "intel_display.h" -#include "intel_runtime_pm.h" -#include "i915_reg.h" +#include <linux/mutex.h> +#include <linux/workqueue.h> -struct drm_i915_private; +#include "intel_wakeref.h" + +enum aux_ch; +enum port; +struct i915_power_well; +struct intel_display; struct intel_encoder; +struct seq_file; +/* + * Keep the pipe, transcoder, port (DDI_LANES,DDI_IO,AUX) domain instances + * consecutive, so that the pipe,transcoder,port -> power domain macros + * work correctly. + */ enum intel_display_power_domain { POWER_DOMAIN_DISPLAY_CORE, POWER_DOMAIN_PIPE_A, POWER_DOMAIN_PIPE_B, POWER_DOMAIN_PIPE_C, POWER_DOMAIN_PIPE_D, - POWER_DOMAIN_PIPE_A_PANEL_FITTER, - POWER_DOMAIN_PIPE_B_PANEL_FITTER, - POWER_DOMAIN_PIPE_C_PANEL_FITTER, - POWER_DOMAIN_PIPE_D_PANEL_FITTER, + POWER_DOMAIN_PIPE_PANEL_FITTER_A, + POWER_DOMAIN_PIPE_PANEL_FITTER_B, + POWER_DOMAIN_PIPE_PANEL_FITTER_C, + POWER_DOMAIN_PIPE_PANEL_FITTER_D, POWER_DOMAIN_TRANSCODER_A, POWER_DOMAIN_TRANSCODER_B, POWER_DOMAIN_TRANSCODER_C, POWER_DOMAIN_TRANSCODER_D, POWER_DOMAIN_TRANSCODER_EDP, - /* VDSC/joining for eDP/DSI transcoder (ICL) or pipe A (TGL) */ - POWER_DOMAIN_TRANSCODER_VDSC_PW2, POWER_DOMAIN_TRANSCODER_DSI_A, POWER_DOMAIN_TRANSCODER_DSI_C, - POWER_DOMAIN_PORT_DDI_A_LANES, - POWER_DOMAIN_PORT_DDI_B_LANES, - POWER_DOMAIN_PORT_DDI_C_LANES, - POWER_DOMAIN_PORT_DDI_D_LANES, - POWER_DOMAIN_PORT_DDI_E_LANES, - POWER_DOMAIN_PORT_DDI_F_LANES, - POWER_DOMAIN_PORT_DDI_G_LANES, - POWER_DOMAIN_PORT_DDI_H_LANES, - POWER_DOMAIN_PORT_DDI_I_LANES, - - POWER_DOMAIN_PORT_DDI_LANES_TC1 = POWER_DOMAIN_PORT_DDI_D_LANES, /* tgl+ */ + + /* VDSC/joining for eDP/DSI transcoder (ICL) or pipe A (TGL) */ + POWER_DOMAIN_TRANSCODER_VDSC_PW2, + + POWER_DOMAIN_PORT_DDI_LANES_A, + POWER_DOMAIN_PORT_DDI_LANES_B, + POWER_DOMAIN_PORT_DDI_LANES_C, + POWER_DOMAIN_PORT_DDI_LANES_D, + POWER_DOMAIN_PORT_DDI_LANES_E, + POWER_DOMAIN_PORT_DDI_LANES_F, + + POWER_DOMAIN_PORT_DDI_LANES_TC1, POWER_DOMAIN_PORT_DDI_LANES_TC2, POWER_DOMAIN_PORT_DDI_LANES_TC3, POWER_DOMAIN_PORT_DDI_LANES_TC4, POWER_DOMAIN_PORT_DDI_LANES_TC5, POWER_DOMAIN_PORT_DDI_LANES_TC6, - POWER_DOMAIN_PORT_DDI_LANES_D_XELPD = POWER_DOMAIN_PORT_DDI_LANES_TC5, /* XELPD */ - POWER_DOMAIN_PORT_DDI_LANES_E_XELPD, - - POWER_DOMAIN_PORT_DDI_A_IO, - POWER_DOMAIN_PORT_DDI_B_IO, - POWER_DOMAIN_PORT_DDI_C_IO, - POWER_DOMAIN_PORT_DDI_D_IO, - POWER_DOMAIN_PORT_DDI_E_IO, - POWER_DOMAIN_PORT_DDI_F_IO, - POWER_DOMAIN_PORT_DDI_G_IO, - POWER_DOMAIN_PORT_DDI_H_IO, - POWER_DOMAIN_PORT_DDI_I_IO, + POWER_DOMAIN_PORT_DDI_IO_A, + POWER_DOMAIN_PORT_DDI_IO_B, + POWER_DOMAIN_PORT_DDI_IO_C, + POWER_DOMAIN_PORT_DDI_IO_D, + POWER_DOMAIN_PORT_DDI_IO_E, + POWER_DOMAIN_PORT_DDI_IO_F, - POWER_DOMAIN_PORT_DDI_IO_TC1 = POWER_DOMAIN_PORT_DDI_D_IO, /* tgl+ */ + POWER_DOMAIN_PORT_DDI_IO_TC1, POWER_DOMAIN_PORT_DDI_IO_TC2, POWER_DOMAIN_PORT_DDI_IO_TC3, POWER_DOMAIN_PORT_DDI_IO_TC4, POWER_DOMAIN_PORT_DDI_IO_TC5, POWER_DOMAIN_PORT_DDI_IO_TC6, - POWER_DOMAIN_PORT_DDI_IO_D_XELPD = POWER_DOMAIN_PORT_DDI_IO_TC5, /* XELPD */ - POWER_DOMAIN_PORT_DDI_IO_E_XELPD, - POWER_DOMAIN_PORT_DSI, POWER_DOMAIN_PORT_CRT, POWER_DOMAIN_PORT_OTHER, POWER_DOMAIN_VGA, - POWER_DOMAIN_AUDIO, + POWER_DOMAIN_AUDIO_MMIO, + POWER_DOMAIN_AUDIO_PLAYBACK, + + POWER_DOMAIN_AUX_IO_A, + POWER_DOMAIN_AUX_IO_B, + POWER_DOMAIN_AUX_IO_C, + POWER_DOMAIN_AUX_IO_D, + POWER_DOMAIN_AUX_IO_E, + POWER_DOMAIN_AUX_IO_F, + POWER_DOMAIN_AUX_A, POWER_DOMAIN_AUX_B, POWER_DOMAIN_AUX_C, POWER_DOMAIN_AUX_D, POWER_DOMAIN_AUX_E, POWER_DOMAIN_AUX_F, - POWER_DOMAIN_AUX_G, - POWER_DOMAIN_AUX_H, - POWER_DOMAIN_AUX_I, - POWER_DOMAIN_AUX_USBC1 = POWER_DOMAIN_AUX_D, /* tgl+ */ + POWER_DOMAIN_AUX_USBC1, POWER_DOMAIN_AUX_USBC2, POWER_DOMAIN_AUX_USBC3, POWER_DOMAIN_AUX_USBC4, POWER_DOMAIN_AUX_USBC5, POWER_DOMAIN_AUX_USBC6, - POWER_DOMAIN_AUX_D_XELPD = POWER_DOMAIN_AUX_USBC5, /* XELPD */ - POWER_DOMAIN_AUX_E_XELPD, - - POWER_DOMAIN_AUX_IO_A, - POWER_DOMAIN_AUX_C_TBT, - POWER_DOMAIN_AUX_D_TBT, - POWER_DOMAIN_AUX_E_TBT, - POWER_DOMAIN_AUX_F_TBT, - POWER_DOMAIN_AUX_G_TBT, - POWER_DOMAIN_AUX_H_TBT, - POWER_DOMAIN_AUX_I_TBT, - - POWER_DOMAIN_AUX_TBT1 = POWER_DOMAIN_AUX_D_TBT, /* tgl+ */ + POWER_DOMAIN_AUX_TBT1, POWER_DOMAIN_AUX_TBT2, POWER_DOMAIN_AUX_TBT3, POWER_DOMAIN_AUX_TBT4, @@ -114,134 +108,25 @@ enum intel_display_power_domain { POWER_DOMAIN_AUX_TBT6, POWER_DOMAIN_GMBUS, - POWER_DOMAIN_MODESET, POWER_DOMAIN_GT_IRQ, - POWER_DOMAIN_DPLL_DC_OFF, + POWER_DOMAIN_DC_OFF, POWER_DOMAIN_TC_COLD_OFF, POWER_DOMAIN_INIT, POWER_DOMAIN_NUM, + POWER_DOMAIN_INVALID = POWER_DOMAIN_NUM, }; -/* - * i915_power_well_id: - * - * IDs used to look up power wells. Power wells accessed directly bypassing - * the power domains framework must be assigned a unique ID. The rest of power - * wells must be assigned DISP_PW_ID_NONE. - */ -enum i915_power_well_id { - DISP_PW_ID_NONE, - - VLV_DISP_PW_DISP2D, - BXT_DISP_PW_DPIO_CMN_A, - VLV_DISP_PW_DPIO_CMN_BC, - GLK_DISP_PW_DPIO_CMN_C, - CHV_DISP_PW_DPIO_CMN_D, - HSW_DISP_PW_GLOBAL, - SKL_DISP_PW_MISC_IO, - SKL_DISP_PW_1, - SKL_DISP_PW_2, - CNL_DISP_PW_DDI_F_IO, - CNL_DISP_PW_DDI_F_AUX, - ICL_DISP_PW_3, - SKL_DISP_DC_OFF, - TGL_DISP_PW_TC_COLD_OFF, -}; - -#define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A) +#define POWER_DOMAIN_PIPE(pipe) \ + ((enum intel_display_power_domain)((pipe) - PIPE_A + POWER_DOMAIN_PIPE_A)) #define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \ - ((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER) + ((enum intel_display_power_domain)((pipe) - PIPE_A + POWER_DOMAIN_PIPE_PANEL_FITTER_A)) #define POWER_DOMAIN_TRANSCODER(tran) \ ((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \ - (tran) + POWER_DOMAIN_TRANSCODER_A) - -struct i915_power_well; - -struct i915_power_well_ops { - /* - * Synchronize the well's hw state to match the current sw state, for - * example enable/disable it based on the current refcount. Called - * during driver init and resume time, possibly after first calling - * the enable/disable handlers. - */ - void (*sync_hw)(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well); - /* - * Enable the well and resources that depend on it (for example - * interrupts located on the well). Called after the 0->1 refcount - * transition. - */ - void (*enable)(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well); - /* - * Disable the well and resources that depend on it. Called after - * the 1->0 refcount transition. - */ - void (*disable)(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well); - /* Returns the hw enabled state. */ - bool (*is_enabled)(struct drm_i915_private *dev_priv, - struct i915_power_well *power_well); -}; + (enum intel_display_power_domain)((tran) - TRANSCODER_A + POWER_DOMAIN_TRANSCODER_A)) -struct i915_power_well_regs { - i915_reg_t bios; - i915_reg_t driver; - i915_reg_t kvmr; - i915_reg_t debug; -}; - -/* Power well structure for haswell */ -struct i915_power_well_desc { - const char *name; - bool always_on; - u64 domains; - /* unique identifier for this power well */ - enum i915_power_well_id id; - /* - * Arbitraty data associated with this power well. Platform and power - * well specific. - */ - union { - struct { - /* - * request/status flag index in the PUNIT power well - * control/status registers. - */ - u8 idx; - } vlv; - struct { - enum dpio_phy phy; - } bxt; - struct { - const struct i915_power_well_regs *regs; - /* - * request/status flag index in the power well - * constrol/status registers. - */ - u8 idx; - /* Mask of pipes whose IRQ logic is backed by the pw */ - u8 irq_pipe_mask; - /* The pw is backing the VGA functionality */ - bool has_vga:1; - bool has_fuses:1; - /* - * The pw is for an ICL+ TypeC PHY port in - * Thunderbolt mode. - */ - bool is_tc_tbt:1; - } hsw; - }; - const struct i915_power_well_ops *ops; -}; - -struct i915_power_well { - const struct i915_power_well_desc *desc; - /* power well enable/disable usage count */ - int count; - /* cached hw enabled state */ - bool hw_enabled; +struct intel_power_domain_mask { + DECLARE_BITMAP(bits, POWER_DOMAIN_NUM); }; struct i915_power_domains { @@ -253,6 +138,10 @@ struct i915_power_domains { bool display_core_suspended; int power_well_count; + u32 dc_state; + u32 target_dc_state; + u32 allowed_dc_mask; + intel_wakeref_t init_wakeref; intel_wakeref_t disable_wakeref; @@ -261,131 +150,142 @@ struct i915_power_domains { struct delayed_work async_put_work; intel_wakeref_t async_put_wakeref; - u64 async_put_domains[2]; + struct intel_power_domain_mask async_put_domains[2]; + int async_put_next_delay; struct i915_power_well *power_wells; }; struct intel_display_power_domain_set { - u64 mask; + struct intel_power_domain_mask mask; #ifdef CONFIG_DRM_I915_DEBUG_RUNTIME_PM intel_wakeref_t wakerefs[POWER_DOMAIN_NUM]; #endif }; -#define for_each_power_domain(domain, mask) \ - for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ - for_each_if(BIT_ULL(domain) & (mask)) - -#define for_each_power_well(__dev_priv, __power_well) \ - for ((__power_well) = (__dev_priv)->power_domains.power_wells; \ - (__power_well) - (__dev_priv)->power_domains.power_wells < \ - (__dev_priv)->power_domains.power_well_count; \ - (__power_well)++) - -#define for_each_power_well_reverse(__dev_priv, __power_well) \ - for ((__power_well) = (__dev_priv)->power_domains.power_wells + \ - (__dev_priv)->power_domains.power_well_count - 1; \ - (__power_well) - (__dev_priv)->power_domains.power_wells >= 0; \ - (__power_well)--) - -#define for_each_power_domain_well(__dev_priv, __power_well, __domain_mask) \ - for_each_power_well(__dev_priv, __power_well) \ - for_each_if((__power_well)->desc->domains & (__domain_mask)) - -#define for_each_power_domain_well_reverse(__dev_priv, __power_well, __domain_mask) \ - for_each_power_well_reverse(__dev_priv, __power_well) \ - for_each_if((__power_well)->desc->domains & (__domain_mask)) - -int intel_power_domains_init(struct drm_i915_private *dev_priv); -void intel_power_domains_cleanup(struct drm_i915_private *dev_priv); -void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume); -void intel_power_domains_driver_remove(struct drm_i915_private *dev_priv); -void intel_power_domains_enable(struct drm_i915_private *dev_priv); -void intel_power_domains_disable(struct drm_i915_private *dev_priv); -void intel_power_domains_suspend(struct drm_i915_private *dev_priv, - enum i915_drm_suspend_mode); -void intel_power_domains_resume(struct drm_i915_private *dev_priv); - -void intel_display_power_suspend_late(struct drm_i915_private *i915); -void intel_display_power_resume_early(struct drm_i915_private *i915); -void intel_display_power_suspend(struct drm_i915_private *i915); -void intel_display_power_resume(struct drm_i915_private *i915); -void intel_display_power_set_target_dc_state(struct drm_i915_private *dev_priv, +#define for_each_power_domain(__domain, __mask) \ + for ((__domain) = 0; (__domain) < POWER_DOMAIN_NUM; (__domain)++) \ + for_each_if(test_bit((__domain), (__mask)->bits)) + +int intel_power_domains_init(struct intel_display *display); +void intel_power_domains_cleanup(struct intel_display *display); +void intel_power_domains_init_hw(struct intel_display *display, bool resume); +void intel_power_domains_driver_remove(struct intel_display *display); +void intel_power_domains_enable(struct intel_display *display); +void intel_power_domains_disable(struct intel_display *display); +void intel_power_domains_suspend(struct intel_display *display, bool s2idle); +void intel_power_domains_resume(struct intel_display *display); +void intel_power_domains_sanitize_state(struct intel_display *display); + +void intel_display_power_suspend_late(struct intel_display *display, bool s2idle); +void intel_display_power_resume_early(struct intel_display *display); +void intel_display_power_suspend(struct intel_display *display); +void intel_display_power_resume(struct intel_display *display); +void intel_display_power_set_target_dc_state(struct intel_display *display, u32 state); +u32 intel_display_power_get_current_dc_state(struct intel_display *display); -const char * -intel_display_power_domain_str(enum intel_display_power_domain domain); - -bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv, +bool intel_display_power_is_enabled(struct intel_display *display, enum intel_display_power_domain domain); -bool intel_display_power_well_is_enabled(struct drm_i915_private *dev_priv, - enum i915_power_well_id power_well_id); -bool __intel_display_power_is_enabled(struct drm_i915_private *dev_priv, - enum intel_display_power_domain domain); -intel_wakeref_t intel_display_power_get(struct drm_i915_private *dev_priv, +intel_wakeref_t intel_display_power_get(struct intel_display *display, enum intel_display_power_domain domain); intel_wakeref_t -intel_display_power_get_if_enabled(struct drm_i915_private *dev_priv, +intel_display_power_get_if_enabled(struct intel_display *display, enum intel_display_power_domain domain); -void __intel_display_power_put_async(struct drm_i915_private *i915, +void __intel_display_power_put_async(struct intel_display *display, enum intel_display_power_domain domain, - intel_wakeref_t wakeref); -void intel_display_power_flush_work(struct drm_i915_private *i915); + intel_wakeref_t wakeref, + int delay_ms); +void intel_display_power_flush_work(struct intel_display *display); #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) -void intel_display_power_put(struct drm_i915_private *dev_priv, +void intel_display_power_put(struct intel_display *display, enum intel_display_power_domain domain, intel_wakeref_t wakeref); static inline void -intel_display_power_put_async(struct drm_i915_private *i915, +intel_display_power_put_async(struct intel_display *display, enum intel_display_power_domain domain, intel_wakeref_t wakeref) { - __intel_display_power_put_async(i915, domain, wakeref); + __intel_display_power_put_async(display, domain, wakeref, -1); +} + +static inline void +intel_display_power_put_async_delay(struct intel_display *display, + enum intel_display_power_domain domain, + intel_wakeref_t wakeref, + int delay_ms) +{ + __intel_display_power_put_async(display, domain, wakeref, delay_ms); } #else -void intel_display_power_put_unchecked(struct drm_i915_private *dev_priv, +void intel_display_power_put_unchecked(struct intel_display *display, enum intel_display_power_domain domain); static inline void -intel_display_power_put(struct drm_i915_private *i915, +intel_display_power_put(struct intel_display *display, enum intel_display_power_domain domain, intel_wakeref_t wakeref) { - intel_display_power_put_unchecked(i915, domain); + intel_display_power_put_unchecked(display, domain); } static inline void -intel_display_power_put_async(struct drm_i915_private *i915, +intel_display_power_put_async(struct intel_display *display, enum intel_display_power_domain domain, intel_wakeref_t wakeref) { - __intel_display_power_put_async(i915, domain, -1); + __intel_display_power_put_async(display, domain, INTEL_WAKEREF_DEF, -1); +} + +static inline void +intel_display_power_put_async_delay(struct intel_display *display, + enum intel_display_power_domain domain, + intel_wakeref_t wakeref, + int delay_ms) +{ + __intel_display_power_put_async(display, domain, INTEL_WAKEREF_DEF, delay_ms); } #endif void -intel_display_power_get_in_set(struct drm_i915_private *i915, +intel_display_power_get_in_set(struct intel_display *display, struct intel_display_power_domain_set *power_domain_set, enum intel_display_power_domain domain); bool -intel_display_power_get_in_set_if_enabled(struct drm_i915_private *i915, +intel_display_power_get_in_set_if_enabled(struct intel_display *display, struct intel_display_power_domain_set *power_domain_set, enum intel_display_power_domain domain); void -intel_display_power_put_mask_in_set(struct drm_i915_private *i915, +intel_display_power_put_mask_in_set(struct intel_display *display, struct intel_display_power_domain_set *power_domain_set, - u64 mask); + struct intel_power_domain_mask *mask); static inline void -intel_display_power_put_all_in_set(struct drm_i915_private *i915, +intel_display_power_put_all_in_set(struct intel_display *display, struct intel_display_power_domain_set *power_domain_set) { - intel_display_power_put_mask_in_set(i915, power_domain_set, power_domain_set->mask); + intel_display_power_put_mask_in_set(display, power_domain_set, &power_domain_set->mask); } +void intel_display_power_debug(struct intel_display *display, struct seq_file *m); + +enum intel_display_power_domain +intel_display_power_ddi_lanes_domain(struct intel_display *display, enum port port); +enum intel_display_power_domain +intel_display_power_ddi_io_domain(struct intel_display *display, enum port port); +enum intel_display_power_domain +intel_display_power_aux_io_domain(struct intel_display *display, enum aux_ch aux_ch); +enum intel_display_power_domain +intel_display_power_legacy_aux_domain(struct intel_display *display, enum aux_ch aux_ch); +enum intel_display_power_domain +intel_display_power_tbt_aux_domain(struct intel_display *display, enum aux_ch aux_ch); + +/* + * FIXME: We should probably switch this to a 0-based scheme to be consistent + * with how we now name/number DBUF_CTL instances. + */ enum dbuf_slice { DBUF_S1, DBUF_S2, @@ -394,16 +294,15 @@ enum dbuf_slice { I915_MAX_DBUF_SLICES }; -void gen9_dbuf_slices_update(struct drm_i915_private *dev_priv, +void gen9_dbuf_slices_update(struct intel_display *display, u8 req_slices); -#define with_intel_display_power(i915, domain, wf) \ - for ((wf) = intel_display_power_get((i915), (domain)); (wf); \ - intel_display_power_put_async((i915), (domain), (wf)), (wf) = 0) +#define with_intel_display_power(display, domain, wf) \ + for ((wf) = intel_display_power_get((display), (domain)); (wf); \ + intel_display_power_put_async((display), (domain), (wf)), (wf) = NULL) -void chv_phy_powergate_lanes(struct intel_encoder *encoder, - bool override, unsigned int mask); -bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy, - enum dpio_channel ch, bool override); +#define with_intel_display_power_if_enabled(display, domain, wf) \ + for ((wf) = intel_display_power_get_if_enabled((display), (domain)); (wf); \ + intel_display_power_put_async((display), (domain), (wf)), (wf) = NULL) #endif /* __INTEL_DISPLAY_POWER_H__ */ |