diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 412 |
1 files changed, 49 insertions, 363 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index a38b9cff5cd0..0fbdbe559b92 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -28,7 +28,6 @@ #include <linux/async.h> #include <linux/i2c.h> #include <linux/sched/clock.h> -#include <linux/stackdepot.h> #include <drm/drm_atomic.h> #include <drm/drm_crtc.h> @@ -47,127 +46,10 @@ struct drm_printer; -/** - * __wait_for - magic wait macro - * - * Macro to help avoid open coding check/wait/timeout patterns. Note that it's - * important that we check the condition again after having timed out, since the - * timeout could be due to preemption or similar and we've never had a chance to - * check the condition before the timeout. - */ -#define __wait_for(OP, COND, US, Wmin, Wmax) ({ \ - const ktime_t end__ = ktime_add_ns(ktime_get_raw(), 1000ll * (US)); \ - long wait__ = (Wmin); /* recommended min for usleep is 10 us */ \ - int ret__; \ - might_sleep(); \ - for (;;) { \ - const bool expired__ = ktime_after(ktime_get_raw(), end__); \ - OP; \ - /* Guarantee COND check prior to timeout */ \ - barrier(); \ - if (COND) { \ - ret__ = 0; \ - break; \ - } \ - if (expired__) { \ - ret__ = -ETIMEDOUT; \ - break; \ - } \ - usleep_range(wait__, wait__ * 2); \ - if (wait__ < (Wmax)) \ - wait__ <<= 1; \ - } \ - ret__; \ -}) - -#define _wait_for(COND, US, Wmin, Wmax) __wait_for(, (COND), (US), (Wmin), \ - (Wmax)) -#define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 10, 1000) - -/* If CONFIG_PREEMPT_COUNT is disabled, in_atomic() always reports false. */ -#if defined(CONFIG_DRM_I915_DEBUG) && defined(CONFIG_PREEMPT_COUNT) -# define _WAIT_FOR_ATOMIC_CHECK(ATOMIC) WARN_ON_ONCE((ATOMIC) && !in_atomic()) -#else -# define _WAIT_FOR_ATOMIC_CHECK(ATOMIC) do { } while (0) -#endif - -#define _wait_for_atomic(COND, US, ATOMIC) \ -({ \ - int cpu, ret, timeout = (US) * 1000; \ - u64 base; \ - _WAIT_FOR_ATOMIC_CHECK(ATOMIC); \ - if (!(ATOMIC)) { \ - preempt_disable(); \ - cpu = smp_processor_id(); \ - } \ - base = local_clock(); \ - for (;;) { \ - u64 now = local_clock(); \ - if (!(ATOMIC)) \ - preempt_enable(); \ - /* Guarantee COND check prior to timeout */ \ - barrier(); \ - if (COND) { \ - ret = 0; \ - break; \ - } \ - if (now - base >= timeout) { \ - ret = -ETIMEDOUT; \ - break; \ - } \ - cpu_relax(); \ - if (!(ATOMIC)) { \ - preempt_disable(); \ - if (unlikely(cpu != smp_processor_id())) { \ - timeout -= now - base; \ - cpu = smp_processor_id(); \ - base = local_clock(); \ - } \ - } \ - } \ - ret; \ -}) - -#define wait_for_us(COND, US) \ -({ \ - int ret__; \ - BUILD_BUG_ON(!__builtin_constant_p(US)); \ - if ((US) > 10) \ - ret__ = _wait_for((COND), (US), 10, 10); \ - else \ - ret__ = _wait_for_atomic((COND), (US), 0); \ - ret__; \ -}) - -#define wait_for_atomic_us(COND, US) \ -({ \ - BUILD_BUG_ON(!__builtin_constant_p(US)); \ - BUILD_BUG_ON((US) > 50000); \ - _wait_for_atomic((COND), (US), 1); \ -}) - -#define wait_for_atomic(COND, MS) wait_for_atomic_us((COND), (MS) * 1000) - -#define KHz(x) (1000 * (x)) -#define MHz(x) KHz(1000 * (x)) - -#define KBps(x) (1000 * (x)) -#define MBps(x) KBps(1000 * (x)) -#define GBps(x) ((u64)1000 * MBps((x))) - /* * Display related stuff */ -/* store information about an Ixxx DVO */ -/* The i830->i865 use multiple DVOs with multiple i2cs */ -/* the i915, i945 have a single sDVO i2c bus - which is different */ -#define MAX_OUTPUTS 6 -/* maximum connectors per crtcs in the mode set */ - -#define INTEL_I2C_BUS_DVO 1 -#define INTEL_I2C_BUS_SDVO 2 - /* these are outputs from the chip - integrated only external chips are via DVO or SDVO output */ enum intel_output_type { @@ -185,14 +67,6 @@ enum intel_output_type { INTEL_OUTPUT_DP_MST = 11, }; -#define INTEL_DVO_CHIP_NONE 0 -#define INTEL_DVO_CHIP_LVDS 1 -#define INTEL_DVO_CHIP_TMDS 2 -#define INTEL_DVO_CHIP_TVOUT 4 - -#define INTEL_DSI_VIDEO_MODE 0 -#define INTEL_DSI_COMMAND_MODE 1 - struct intel_framebuffer { struct drm_framebuffer base; struct intel_rotation_info rot_info; @@ -677,21 +551,6 @@ struct intel_initial_plane_config { u8 rotation; }; -#define SKL_MIN_SRC_W 8 -#define SKL_MAX_SRC_W 4096 -#define SKL_MIN_SRC_H 8 -#define SKL_MAX_SRC_H 4096 -#define SKL_MIN_DST_W 8 -#define SKL_MAX_DST_W 4096 -#define SKL_MIN_DST_H 8 -#define SKL_MAX_DST_H 4096 -#define ICL_MAX_SRC_W 5120 -#define ICL_MAX_SRC_H 4096 -#define ICL_MAX_DST_W 5120 -#define ICL_MAX_DST_H 4096 -#define SKL_MIN_YUV_420_SRC_W 16 -#define SKL_MIN_YUV_420_SRC_H 16 - struct intel_scaler { int in_use; u32 mode; @@ -1581,56 +1440,6 @@ intel_atomic_get_new_crtc_state(struct intel_atomic_state *state, &crtc->base)); } -/* intel_fifo_underrun.c */ -bool intel_set_cpu_fifo_underrun_reporting(struct drm_i915_private *dev_priv, - enum pipe pipe, bool enable); -bool intel_set_pch_fifo_underrun_reporting(struct drm_i915_private *dev_priv, - enum pipe pch_transcoder, - bool enable); -void intel_cpu_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv, - enum pipe pipe); -void intel_pch_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv, - enum pipe pch_transcoder); -void intel_check_cpu_fifo_underruns(struct drm_i915_private *dev_priv); -void intel_check_pch_fifo_underruns(struct drm_i915_private *dev_priv); - -/* i915_irq.c */ -void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, u32 mask); -void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, u32 mask); -void gen6_mask_pm_irq(struct drm_i915_private *dev_priv, u32 mask); -void gen6_unmask_pm_irq(struct drm_i915_private *dev_priv, u32 mask); -void gen11_reset_rps_interrupts(struct drm_i915_private *dev_priv); -void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv); -void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv); -void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv); -void gen6_rps_reset_ei(struct drm_i915_private *dev_priv); - -static inline u32 gen6_sanitize_rps_pm_mask(const struct drm_i915_private *i915, - u32 mask) -{ - return mask & ~i915->gt_pm.rps.pm_intrmsk_mbz; -} - -void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv); -void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv); -static inline bool intel_irqs_enabled(struct drm_i915_private *dev_priv) -{ - /* - * We only use drm_irq_uninstall() at unload and VT switch, so - * this is the only thing we need to check. - */ - return dev_priv->runtime_pm.irqs_enabled; -} - -int intel_get_crtc_scanline(struct intel_crtc *crtc); -void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv, - u8 pipe_mask); -void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv, - u8 pipe_mask); -void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv); -void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv); -void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv); - /* intel_display.c */ void intel_plane_destroy(struct drm_plane *plane); void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); @@ -1652,6 +1461,7 @@ unsigned int intel_fb_align_height(const struct drm_framebuffer *fb, void intel_add_fb_offsets(int *x, int *y, const struct intel_plane_state *state, int plane); unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info); +unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info); bool intel_has_pending_fb_unpin(struct drm_i915_private *dev_priv); void intel_mark_busy(struct drm_i915_private *dev_priv); void intel_mark_idle(struct drm_i915_private *dev_priv); @@ -1762,18 +1572,13 @@ void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, bool state); #define assert_pipe_disabled(d, p) assert_pipe(d, p, false) void intel_prepare_reset(struct drm_i915_private *dev_priv); void intel_finish_reset(struct drm_i915_private *dev_priv); -void hsw_enable_pc8(struct drm_i915_private *dev_priv); -void hsw_disable_pc8(struct drm_i915_private *dev_priv); -void gen9_sanitize_dc_state(struct drm_i915_private *dev_priv); -void bxt_enable_dc9(struct drm_i915_private *dev_priv); -void bxt_disable_dc9(struct drm_i915_private *dev_priv); -void gen9_enable_dc5(struct drm_i915_private *dev_priv); unsigned int skl_cdclk_get_vco(unsigned int freq); -void skl_enable_dc6(struct drm_i915_private *dev_priv); void intel_dp_get_m_n(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config); void intel_dp_set_m_n(const struct intel_crtc_state *crtc_state, enum link_m_n_set m_n); +void intel_dp_ycbcr_420_enable(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n); bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, struct dpll *best_clock); @@ -1815,99 +1620,26 @@ int skl_format_to_fourcc(int format, bool rgb_order, bool alpha); unsigned int i9xx_plane_max_stride(struct intel_plane *plane, u32 pixel_format, u64 modifier, unsigned int rotation); - -/* intel_dp_link_training.c */ -void intel_dp_start_link_train(struct intel_dp *intel_dp); -void intel_dp_stop_link_train(struct intel_dp *intel_dp); - -/* intel_vdsc.c */ -int intel_dp_compute_dsc_params(struct intel_dp *intel_dp, - struct intel_crtc_state *pipe_config); -enum intel_display_power_domain -intel_dsc_power_domain(const struct intel_crtc_state *crtc_state); - -/* intel_dp_aux_backlight.c */ -int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector); - -/* intel_dp_mst.c */ -int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_id); -void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port); -/* vlv_dsi.c */ -void vlv_dsi_init(struct drm_i915_private *dev_priv); - -/* icl_dsi.c */ -void icl_dsi_init(struct drm_i915_private *dev_priv); - -/* intel_dsi_dcs_backlight.c */ -int intel_dsi_dcs_init_backlight_funcs(struct intel_connector *intel_connector); - -/* intel_hotplug.c */ -void intel_hpd_poll_init(struct drm_i915_private *dev_priv); -bool intel_encoder_hotplug(struct intel_encoder *encoder, - struct intel_connector *connector); - -/* intel_overlay.c */ -void intel_overlay_setup(struct drm_i915_private *dev_priv); -void intel_overlay_cleanup(struct drm_i915_private *dev_priv); -int intel_overlay_switch_off(struct intel_overlay *overlay); -int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -void intel_overlay_reset(struct drm_i915_private *dev_priv); - -/* intel_quirks.c */ -void intel_init_quirks(struct drm_i915_private *dev_priv); +int bdw_get_pipemisc_bpp(struct intel_crtc *crtc); /* intel_runtime_pm.c */ -void intel_runtime_pm_init_early(struct drm_i915_private *dev_priv); -int intel_power_domains_init(struct drm_i915_private *); -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_fini_hw(struct drm_i915_private *dev_priv); -void icl_display_core_init(struct drm_i915_private *dev_priv, bool resume); -void icl_display_core_uninit(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); - -enum i915_drm_suspend_mode { - I915_DRM_SUSPEND_IDLE, - I915_DRM_SUSPEND_MEM, - I915_DRM_SUSPEND_HIBERNATE, -}; +#define BITS_PER_WAKEREF \ + BITS_PER_TYPE(struct_member(struct i915_runtime_pm, wakeref_count)) +#define INTEL_RPM_WAKELOCK_SHIFT (BITS_PER_WAKEREF / 2) +#define INTEL_RPM_WAKELOCK_BIAS (1 << INTEL_RPM_WAKELOCK_SHIFT) +#define INTEL_RPM_RAW_WAKEREF_MASK (INTEL_RPM_WAKELOCK_BIAS - 1) + +static inline int +intel_rpm_raw_wakeref_count(int wakeref_count) +{ + return wakeref_count & INTEL_RPM_RAW_WAKEREF_MASK; +} -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 bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume); -void bxt_display_core_uninit(struct drm_i915_private *dev_priv); -void intel_runtime_pm_enable(struct drm_i915_private *dev_priv); -void intel_runtime_pm_disable(struct drm_i915_private *dev_priv); -void intel_runtime_pm_cleanup(struct drm_i915_private *dev_priv); -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, - enum intel_display_power_domain domain); -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, - enum intel_display_power_domain domain); -intel_wakeref_t -intel_display_power_get_if_enabled(struct drm_i915_private *dev_priv, - enum intel_display_power_domain domain); -void intel_display_power_put_unchecked(struct drm_i915_private *dev_priv, - enum intel_display_power_domain domain); -#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) -void intel_display_power_put(struct drm_i915_private *dev_priv, - enum intel_display_power_domain domain, - intel_wakeref_t wakeref); -#else -#define intel_display_power_put(i915, domain, wakeref) \ - intel_display_power_put_unchecked(i915, domain) -#endif -void icl_dbuf_slices_update(struct drm_i915_private *dev_priv, - u8 req_slices); +static inline int +intel_rpm_wakelock_count(int wakeref_count) +{ + return wakeref_count >> INTEL_RPM_WAKELOCK_SHIFT; +} static inline void assert_rpm_device_not_suspended(struct i915_runtime_pm *rpm) @@ -1917,11 +1649,33 @@ assert_rpm_device_not_suspended(struct i915_runtime_pm *rpm) } static inline void -__assert_rpm_wakelock_held(struct i915_runtime_pm *rpm) +____assert_rpm_raw_wakeref_held(struct i915_runtime_pm *rpm, int wakeref_count) { assert_rpm_device_not_suspended(rpm); - WARN_ONCE(!atomic_read(&rpm->wakeref_count), - "RPM wakelock ref not held during HW access"); + WARN_ONCE(!intel_rpm_raw_wakeref_count(wakeref_count), + "RPM raw-wakeref not held\n"); +} + +static inline void +____assert_rpm_wakelock_held(struct i915_runtime_pm *rpm, int wakeref_count) +{ + ____assert_rpm_raw_wakeref_held(rpm, wakeref_count); + WARN_ONCE(!intel_rpm_wakelock_count(wakeref_count), + "RPM wakelock ref not held during HW access\n"); +} + +static inline void +assert_rpm_raw_wakeref_held(struct drm_i915_private *i915) +{ + struct i915_runtime_pm *rpm = &i915->runtime_pm; + + ____assert_rpm_raw_wakeref_held(rpm, atomic_read(&rpm->wakeref_count)); +} + +static inline void +__assert_rpm_wakelock_held(struct i915_runtime_pm *rpm) +{ + ____assert_rpm_wakelock_held(rpm, atomic_read(&rpm->wakeref_count)); } static inline void @@ -1951,7 +1705,8 @@ assert_rpm_wakelock_held(struct drm_i915_private *i915) static inline void disable_rpm_wakeref_asserts(struct drm_i915_private *i915) { - atomic_inc(&i915->runtime_pm.wakeref_count); + atomic_add(INTEL_RPM_WAKELOCK_BIAS + 1, + &i915->runtime_pm.wakeref_count); } /** @@ -1968,77 +1723,8 @@ disable_rpm_wakeref_asserts(struct drm_i915_private *i915) static inline void enable_rpm_wakeref_asserts(struct drm_i915_private *i915) { - atomic_dec(&i915->runtime_pm.wakeref_count); -} - -intel_wakeref_t intel_runtime_pm_get(struct drm_i915_private *i915); -intel_wakeref_t intel_runtime_pm_get_if_in_use(struct drm_i915_private *i915); -intel_wakeref_t intel_runtime_pm_get_noresume(struct drm_i915_private *i915); - -#define with_intel_runtime_pm(i915, wf) \ - for ((wf) = intel_runtime_pm_get(i915); (wf); \ - intel_runtime_pm_put((i915), (wf)), (wf) = 0) - -#define with_intel_runtime_pm_if_in_use(i915, wf) \ - for ((wf) = intel_runtime_pm_get_if_in_use(i915); (wf); \ - intel_runtime_pm_put((i915), (wf)), (wf) = 0) - -void intel_runtime_pm_put_unchecked(struct drm_i915_private *i915); -#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) -void intel_runtime_pm_put(struct drm_i915_private *i915, intel_wakeref_t wref); -#else -#define intel_runtime_pm_put(i915, wref) intel_runtime_pm_put_unchecked(i915) -#endif - -#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) -void print_intel_runtime_pm_wakeref(struct drm_i915_private *i915, - struct drm_printer *p); -#else -static inline void print_intel_runtime_pm_wakeref(struct drm_i915_private *i915, - struct drm_printer *p) -{ + atomic_sub(INTEL_RPM_WAKELOCK_BIAS + 1, + &i915->runtime_pm.wakeref_count); } -#endif - -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); - -/* intel_atomic.c */ -int intel_digital_connector_atomic_get_property(struct drm_connector *connector, - const struct drm_connector_state *state, - struct drm_property *property, - u64 *val); -int intel_digital_connector_atomic_set_property(struct drm_connector *connector, - struct drm_connector_state *state, - struct drm_property *property, - u64 val); -int intel_digital_connector_atomic_check(struct drm_connector *conn, - struct drm_connector_state *new_state); -struct drm_connector_state * -intel_digital_connector_duplicate_state(struct drm_connector *connector); - -struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc); -void intel_crtc_destroy_state(struct drm_crtc *crtc, - struct drm_crtc_state *state); -struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev); -void intel_atomic_state_clear(struct drm_atomic_state *); - -static inline struct intel_crtc_state * -intel_atomic_get_crtc_state(struct drm_atomic_state *state, - struct intel_crtc *crtc) -{ - struct drm_crtc_state *crtc_state; - crtc_state = drm_atomic_get_crtc_state(state, &crtc->base); - if (IS_ERR(crtc_state)) - return ERR_CAST(crtc_state); - - return to_intel_crtc_state(crtc_state); -} - -int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv, - struct intel_crtc *intel_crtc, - struct intel_crtc_state *crtc_state); #endif /* __INTEL_DRV_H__ */ |