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![Janusz Krzysztofik](/assets/img/avatar_default.png)
Similar to the "_release" case, consistently replace mixed "_cleanup"/"_fini"/"_fini_hw" components found in names of functions called from i915_driver_remove() with "_remove" or "_driver_remove" suffixes for better code readability. Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190712112429.740-6-janusz.krzysztofik@linux.intel.com
317 lines
10 KiB
C
317 lines
10 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_DISPLAY_POWER_H__
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#define __INTEL_DISPLAY_POWER_H__
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#include "intel_display.h"
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#include "intel_runtime_pm.h"
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#include "i915_reg.h"
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struct drm_i915_private;
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struct intel_encoder;
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enum intel_display_power_domain {
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POWER_DOMAIN_DISPLAY_CORE,
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POWER_DOMAIN_PIPE_A,
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POWER_DOMAIN_PIPE_B,
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POWER_DOMAIN_PIPE_C,
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POWER_DOMAIN_PIPE_D,
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POWER_DOMAIN_PIPE_A_PANEL_FITTER,
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POWER_DOMAIN_PIPE_B_PANEL_FITTER,
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POWER_DOMAIN_PIPE_C_PANEL_FITTER,
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POWER_DOMAIN_PIPE_D_PANEL_FITTER,
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POWER_DOMAIN_TRANSCODER_A,
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POWER_DOMAIN_TRANSCODER_B,
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POWER_DOMAIN_TRANSCODER_C,
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POWER_DOMAIN_TRANSCODER_D,
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POWER_DOMAIN_TRANSCODER_EDP,
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/* VDSC/joining for TRANSCODER_EDP (ICL) or TRANSCODER_A (TGL) */
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POWER_DOMAIN_TRANSCODER_VDSC_PW2,
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POWER_DOMAIN_TRANSCODER_DSI_A,
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POWER_DOMAIN_TRANSCODER_DSI_C,
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POWER_DOMAIN_PORT_DDI_A_LANES,
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POWER_DOMAIN_PORT_DDI_B_LANES,
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POWER_DOMAIN_PORT_DDI_C_LANES,
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POWER_DOMAIN_PORT_DDI_D_LANES,
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POWER_DOMAIN_PORT_DDI_TC1_LANES = POWER_DOMAIN_PORT_DDI_D_LANES,
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POWER_DOMAIN_PORT_DDI_E_LANES,
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POWER_DOMAIN_PORT_DDI_TC2_LANES = POWER_DOMAIN_PORT_DDI_E_LANES,
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POWER_DOMAIN_PORT_DDI_F_LANES,
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POWER_DOMAIN_PORT_DDI_TC3_LANES = POWER_DOMAIN_PORT_DDI_F_LANES,
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POWER_DOMAIN_PORT_DDI_TC4_LANES,
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POWER_DOMAIN_PORT_DDI_TC5_LANES,
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POWER_DOMAIN_PORT_DDI_TC6_LANES,
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POWER_DOMAIN_PORT_DDI_A_IO,
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POWER_DOMAIN_PORT_DDI_B_IO,
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POWER_DOMAIN_PORT_DDI_C_IO,
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POWER_DOMAIN_PORT_DDI_D_IO,
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POWER_DOMAIN_PORT_DDI_TC1_IO = POWER_DOMAIN_PORT_DDI_D_IO,
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POWER_DOMAIN_PORT_DDI_E_IO,
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POWER_DOMAIN_PORT_DDI_TC2_IO = POWER_DOMAIN_PORT_DDI_E_IO,
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POWER_DOMAIN_PORT_DDI_F_IO,
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POWER_DOMAIN_PORT_DDI_TC3_IO = POWER_DOMAIN_PORT_DDI_F_IO,
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POWER_DOMAIN_PORT_DDI_G_IO,
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POWER_DOMAIN_PORT_DDI_TC4_IO = POWER_DOMAIN_PORT_DDI_G_IO,
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POWER_DOMAIN_PORT_DDI_H_IO,
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POWER_DOMAIN_PORT_DDI_TC5_IO = POWER_DOMAIN_PORT_DDI_H_IO,
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POWER_DOMAIN_PORT_DDI_I_IO,
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POWER_DOMAIN_PORT_DDI_TC6_IO = POWER_DOMAIN_PORT_DDI_I_IO,
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POWER_DOMAIN_PORT_DSI,
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POWER_DOMAIN_PORT_CRT,
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POWER_DOMAIN_PORT_OTHER,
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POWER_DOMAIN_VGA,
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POWER_DOMAIN_AUDIO,
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POWER_DOMAIN_AUX_A,
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POWER_DOMAIN_AUX_B,
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POWER_DOMAIN_AUX_C,
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POWER_DOMAIN_AUX_D,
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POWER_DOMAIN_AUX_TC1 = POWER_DOMAIN_AUX_D,
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POWER_DOMAIN_AUX_E,
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POWER_DOMAIN_AUX_TC2 = POWER_DOMAIN_AUX_E,
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POWER_DOMAIN_AUX_F,
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POWER_DOMAIN_AUX_TC3 = POWER_DOMAIN_AUX_F,
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POWER_DOMAIN_AUX_TC4,
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POWER_DOMAIN_AUX_TC5,
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POWER_DOMAIN_AUX_TC6,
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POWER_DOMAIN_AUX_IO_A,
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POWER_DOMAIN_AUX_TBT1,
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POWER_DOMAIN_AUX_TBT2,
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POWER_DOMAIN_AUX_TBT3,
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POWER_DOMAIN_AUX_TBT4,
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POWER_DOMAIN_AUX_TBT5,
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POWER_DOMAIN_AUX_TBT6,
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POWER_DOMAIN_GMBUS,
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POWER_DOMAIN_MODESET,
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POWER_DOMAIN_GT_IRQ,
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POWER_DOMAIN_DPLL_DC_OFF,
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POWER_DOMAIN_INIT,
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POWER_DOMAIN_NUM,
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};
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#define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
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#define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
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((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER)
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#define POWER_DOMAIN_TRANSCODER(tran) \
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((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \
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(tran) + POWER_DOMAIN_TRANSCODER_A)
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struct i915_power_well;
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struct i915_power_well_ops {
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/*
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* Synchronize the well's hw state to match the current sw state, for
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* example enable/disable it based on the current refcount. Called
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* during driver init and resume time, possibly after first calling
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* the enable/disable handlers.
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*/
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void (*sync_hw)(struct drm_i915_private *dev_priv,
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struct i915_power_well *power_well);
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/*
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* Enable the well and resources that depend on it (for example
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* interrupts located on the well). Called after the 0->1 refcount
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* transition.
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*/
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void (*enable)(struct drm_i915_private *dev_priv,
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struct i915_power_well *power_well);
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/*
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* Disable the well and resources that depend on it. Called after
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* the 1->0 refcount transition.
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*/
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void (*disable)(struct drm_i915_private *dev_priv,
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struct i915_power_well *power_well);
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/* Returns the hw enabled state. */
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bool (*is_enabled)(struct drm_i915_private *dev_priv,
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struct i915_power_well *power_well);
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};
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struct i915_power_well_regs {
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i915_reg_t bios;
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i915_reg_t driver;
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i915_reg_t kvmr;
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i915_reg_t debug;
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};
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/* Power well structure for haswell */
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struct i915_power_well_desc {
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const char *name;
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bool always_on;
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u64 domains;
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/* unique identifier for this power well */
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enum i915_power_well_id id;
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/*
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* Arbitraty data associated with this power well. Platform and power
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* well specific.
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*/
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union {
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struct {
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/*
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* request/status flag index in the PUNIT power well
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* control/status registers.
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*/
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u8 idx;
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} vlv;
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struct {
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enum dpio_phy phy;
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} bxt;
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struct {
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const struct i915_power_well_regs *regs;
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/*
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* request/status flag index in the power well
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* constrol/status registers.
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*/
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u8 idx;
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/* Mask of pipes whose IRQ logic is backed by the pw */
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u8 irq_pipe_mask;
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/* The pw is backing the VGA functionality */
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bool has_vga:1;
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bool has_fuses:1;
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/*
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* The pw is for an ICL+ TypeC PHY port in
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* Thunderbolt mode.
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*/
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bool is_tc_tbt:1;
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} hsw;
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};
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const struct i915_power_well_ops *ops;
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};
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struct i915_power_well {
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const struct i915_power_well_desc *desc;
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/* power well enable/disable usage count */
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int count;
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/* cached hw enabled state */
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bool hw_enabled;
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};
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struct i915_power_domains {
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/*
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* Power wells needed for initialization at driver init and suspend
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* time are on. They are kept on until after the first modeset.
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*/
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bool initializing;
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bool display_core_suspended;
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int power_well_count;
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intel_wakeref_t wakeref;
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struct mutex lock;
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int domain_use_count[POWER_DOMAIN_NUM];
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struct delayed_work async_put_work;
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intel_wakeref_t async_put_wakeref;
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u64 async_put_domains[2];
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struct i915_power_well *power_wells;
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};
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#define for_each_power_domain(domain, mask) \
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for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \
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for_each_if(BIT_ULL(domain) & (mask))
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#define for_each_power_well(__dev_priv, __power_well) \
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for ((__power_well) = (__dev_priv)->power_domains.power_wells; \
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(__power_well) - (__dev_priv)->power_domains.power_wells < \
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(__dev_priv)->power_domains.power_well_count; \
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(__power_well)++)
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#define for_each_power_well_reverse(__dev_priv, __power_well) \
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for ((__power_well) = (__dev_priv)->power_domains.power_wells + \
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(__dev_priv)->power_domains.power_well_count - 1; \
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(__power_well) - (__dev_priv)->power_domains.power_wells >= 0; \
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(__power_well)--)
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#define for_each_power_domain_well(__dev_priv, __power_well, __domain_mask) \
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for_each_power_well(__dev_priv, __power_well) \
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for_each_if((__power_well)->desc->domains & (__domain_mask))
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#define for_each_power_domain_well_reverse(__dev_priv, __power_well, __domain_mask) \
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for_each_power_well_reverse(__dev_priv, __power_well) \
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for_each_if((__power_well)->desc->domains & (__domain_mask))
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void skl_enable_dc6(struct drm_i915_private *dev_priv);
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void gen9_sanitize_dc_state(struct drm_i915_private *dev_priv);
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void bxt_enable_dc9(struct drm_i915_private *dev_priv);
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void bxt_disable_dc9(struct drm_i915_private *dev_priv);
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void gen9_enable_dc5(struct drm_i915_private *dev_priv);
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int intel_power_domains_init(struct drm_i915_private *dev_priv);
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void intel_power_domains_cleanup(struct drm_i915_private *dev_priv);
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void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume);
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void intel_power_domains_driver_remove(struct drm_i915_private *dev_priv);
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void icl_display_core_init(struct drm_i915_private *dev_priv, bool resume);
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void icl_display_core_uninit(struct drm_i915_private *dev_priv);
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void intel_power_domains_enable(struct drm_i915_private *dev_priv);
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void intel_power_domains_disable(struct drm_i915_private *dev_priv);
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void intel_power_domains_suspend(struct drm_i915_private *dev_priv,
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enum i915_drm_suspend_mode);
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void intel_power_domains_resume(struct drm_i915_private *dev_priv);
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void hsw_enable_pc8(struct drm_i915_private *dev_priv);
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void hsw_disable_pc8(struct drm_i915_private *dev_priv);
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void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume);
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void bxt_display_core_uninit(struct drm_i915_private *dev_priv);
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const char *
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intel_display_power_domain_str(struct drm_i915_private *i915,
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enum intel_display_power_domain domain);
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bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv,
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enum intel_display_power_domain domain);
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bool __intel_display_power_is_enabled(struct drm_i915_private *dev_priv,
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enum intel_display_power_domain domain);
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intel_wakeref_t intel_display_power_get(struct drm_i915_private *dev_priv,
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enum intel_display_power_domain domain);
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intel_wakeref_t
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intel_display_power_get_if_enabled(struct drm_i915_private *dev_priv,
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enum intel_display_power_domain domain);
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void intel_display_power_put_unchecked(struct drm_i915_private *dev_priv,
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enum intel_display_power_domain domain);
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void __intel_display_power_put_async(struct drm_i915_private *i915,
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enum intel_display_power_domain domain,
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intel_wakeref_t wakeref);
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void intel_display_power_flush_work(struct drm_i915_private *i915);
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#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
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void intel_display_power_put(struct drm_i915_private *dev_priv,
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enum intel_display_power_domain domain,
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intel_wakeref_t wakeref);
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static inline void
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intel_display_power_put_async(struct drm_i915_private *i915,
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enum intel_display_power_domain domain,
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intel_wakeref_t wakeref)
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{
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__intel_display_power_put_async(i915, domain, wakeref);
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}
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#else
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static inline void
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intel_display_power_put(struct drm_i915_private *i915,
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enum intel_display_power_domain domain,
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intel_wakeref_t wakeref)
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{
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intel_display_power_put_unchecked(i915, domain);
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}
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static inline void
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intel_display_power_put_async(struct drm_i915_private *i915,
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enum intel_display_power_domain domain,
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intel_wakeref_t wakeref)
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{
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__intel_display_power_put_async(i915, domain, -1);
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}
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#endif
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#define with_intel_display_power(i915, domain, wf) \
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for ((wf) = intel_display_power_get((i915), (domain)); (wf); \
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intel_display_power_put_async((i915), (domain), (wf)), (wf) = 0)
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void icl_dbuf_slices_update(struct drm_i915_private *dev_priv,
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u8 req_slices);
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void chv_phy_powergate_lanes(struct intel_encoder *encoder,
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bool override, unsigned int mask);
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bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy,
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enum dpio_channel ch, bool override);
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#endif /* __INTEL_DISPLAY_POWER_H__ */
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