2 * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright (c) 2007-2008 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
25 #ifndef __INTEL_DRV_H__
26 #define __INTEL_DRV_H__
28 #include <linux/async.h>
29 #include <linux/i2c.h>
30 #include <linux/hdmi.h>
31 #include <drm/i915_drm.h>
33 #include <drm/drm_crtc.h>
34 #include <drm/drm_crtc_helper.h>
35 #include <drm/drm_fb_helper.h>
36 #include <drm/drm_dp_mst_helper.h>
37 #include <drm/drm_rect.h>
38 #include <drm/drm_atomic.h>
41 * _wait_for - magic (register) wait macro
43 * Does the right thing for modeset paths when run under kdgb or similar atomic
44 * contexts. Note that it's important that we check the condition again after
45 * having timed out, since the timeout could be due to preemption or similar and
46 * we've never had a chance to check the condition before the timeout.
48 #define _wait_for(COND, MS, W) ({ \
49 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS) + 1; \
52 if (time_after(jiffies, timeout__)) { \
57 if ((W) && drm_can_sleep()) { \
58 usleep_range((W)*1000, (W)*2000); \
66 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
67 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
68 #define wait_for_atomic_us(COND, US) _wait_for((COND), \
69 DIV_ROUND_UP((US), 1000), 0)
71 #define KHz(x) (1000 * (x))
72 #define MHz(x) KHz(1000 * (x))
75 * Display related stuff
78 /* store information about an Ixxx DVO */
79 /* The i830->i865 use multiple DVOs with multiple i2cs */
80 /* the i915, i945 have a single sDVO i2c bus - which is different */
82 /* maximum connectors per crtcs in the mode set */
84 /* Maximum cursor sizes */
85 #define GEN2_CURSOR_WIDTH 64
86 #define GEN2_CURSOR_HEIGHT 64
87 #define MAX_CURSOR_WIDTH 256
88 #define MAX_CURSOR_HEIGHT 256
90 #define INTEL_I2C_BUS_DVO 1
91 #define INTEL_I2C_BUS_SDVO 2
93 /* these are outputs from the chip - integrated only
94 external chips are via DVO or SDVO output */
95 enum intel_output_type {
96 INTEL_OUTPUT_UNUSED = 0,
97 INTEL_OUTPUT_ANALOG = 1,
99 INTEL_OUTPUT_SDVO = 3,
100 INTEL_OUTPUT_LVDS = 4,
101 INTEL_OUTPUT_TVOUT = 5,
102 INTEL_OUTPUT_HDMI = 6,
103 INTEL_OUTPUT_DISPLAYPORT = 7,
104 INTEL_OUTPUT_EDP = 8,
105 INTEL_OUTPUT_DSI = 9,
106 INTEL_OUTPUT_UNKNOWN = 10,
107 INTEL_OUTPUT_DP_MST = 11,
110 #define INTEL_DVO_CHIP_NONE 0
111 #define INTEL_DVO_CHIP_LVDS 1
112 #define INTEL_DVO_CHIP_TMDS 2
113 #define INTEL_DVO_CHIP_TVOUT 4
115 #define INTEL_DSI_VIDEO_MODE 0
116 #define INTEL_DSI_COMMAND_MODE 1
118 struct intel_framebuffer {
119 struct drm_framebuffer base;
120 struct drm_i915_gem_object *obj;
124 struct drm_fb_helper helper;
125 struct intel_framebuffer *fb;
129 struct intel_encoder {
130 struct drm_encoder base;
132 enum intel_output_type type;
133 unsigned int cloneable;
134 void (*hot_plug)(struct intel_encoder *);
135 bool (*compute_config)(struct intel_encoder *,
136 struct intel_crtc_state *);
137 void (*pre_pll_enable)(struct intel_encoder *);
138 void (*pre_enable)(struct intel_encoder *);
139 void (*enable)(struct intel_encoder *);
140 void (*mode_set)(struct intel_encoder *intel_encoder);
141 void (*disable)(struct intel_encoder *);
142 void (*post_disable)(struct intel_encoder *);
143 void (*post_pll_disable)(struct intel_encoder *);
144 /* Read out the current hw state of this connector, returning true if
145 * the encoder is active. If the encoder is enabled it also set the pipe
146 * it is connected to in the pipe parameter. */
147 bool (*get_hw_state)(struct intel_encoder *, enum pipe *pipe);
148 /* Reconstructs the equivalent mode flags for the current hardware
149 * state. This must be called _after_ display->get_pipe_config has
150 * pre-filled the pipe config. Note that intel_encoder->base.crtc must
151 * be set correctly before calling this function. */
152 void (*get_config)(struct intel_encoder *,
153 struct intel_crtc_state *pipe_config);
155 * Called during system suspend after all pending requests for the
156 * encoder are flushed (for example for DP AUX transactions) and
157 * device interrupts are disabled.
159 void (*suspend)(struct intel_encoder *);
161 enum hpd_pin hpd_pin;
165 struct drm_display_mode *fixed_mode;
166 struct drm_display_mode *downclock_mode;
176 bool combination_mode; /* gen 2/4 only */
180 bool util_pin_active_low; /* bxt+ */
181 u8 controller; /* bxt+ only */
182 struct pwm_device *pwm;
184 struct backlight_device *device;
186 /* Connector and platform specific backlight functions */
187 int (*setup)(struct intel_connector *connector, enum pipe pipe);
188 uint32_t (*get)(struct intel_connector *connector);
189 void (*set)(struct intel_connector *connector, uint32_t level);
190 void (*disable)(struct intel_connector *connector);
191 void (*enable)(struct intel_connector *connector);
192 uint32_t (*hz_to_pwm)(struct intel_connector *connector,
194 void (*power)(struct intel_connector *, bool enable);
198 struct intel_connector {
199 struct drm_connector base;
201 * The fixed encoder this connector is connected to.
203 struct intel_encoder *encoder;
205 /* Reads out the current hw, returning true if the connector is enabled
206 * and active (i.e. dpms ON state). */
207 bool (*get_hw_state)(struct intel_connector *);
210 * Removes all interfaces through which the connector is accessible
211 * - like sysfs, debugfs entries -, so that no new operations can be
212 * started on the connector. Also makes sure all currently pending
213 * operations finish before returing.
215 void (*unregister)(struct intel_connector *);
217 /* Panel info for eDP and LVDS */
218 struct intel_panel panel;
220 /* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */
222 struct edid *detect_edid;
224 /* since POLL and HPD connectors may use the same HPD line keep the native
225 state of connector->polled in case hotplug storm detection changes it */
228 void *port; /* store this opaque as its illegal to dereference it */
230 struct intel_dp *mst_port;
233 typedef struct dpll {
245 struct intel_atomic_state {
246 struct drm_atomic_state base;
250 struct intel_shared_dpll_config shared_dpll[I915_NUM_PLLS];
251 struct intel_wm_config wm_config;
254 struct intel_plane_state {
255 struct drm_plane_state base;
258 struct drm_rect clip;
263 * = -1 : not using a scaler
264 * >= 0 : using a scalers
266 * plane requiring a scaler:
267 * - During check_plane, its bit is set in
268 * crtc_state->scaler_state.scaler_users by calling helper function
269 * update_scaler_plane.
270 * - scaler_id indicates the scaler it got assigned.
272 * plane doesn't require a scaler:
273 * - this can happen when scaling is no more required or plane simply
275 * - During check_plane, corresponding bit is reset in
276 * crtc_state->scaler_state.scaler_users by calling helper function
277 * update_scaler_plane.
281 struct drm_intel_sprite_colorkey ckey;
283 /* async flip related structures */
284 struct drm_i915_gem_request *wait_req;
287 struct intel_initial_plane_config {
288 struct intel_framebuffer *fb;
294 #define SKL_MIN_SRC_W 8
295 #define SKL_MAX_SRC_W 4096
296 #define SKL_MIN_SRC_H 8
297 #define SKL_MAX_SRC_H 4096
298 #define SKL_MIN_DST_W 8
299 #define SKL_MAX_DST_W 4096
300 #define SKL_MIN_DST_H 8
301 #define SKL_MAX_DST_H 4096
303 struct intel_scaler {
308 struct intel_crtc_scaler_state {
309 #define SKL_NUM_SCALERS 2
310 struct intel_scaler scalers[SKL_NUM_SCALERS];
313 * scaler_users: keeps track of users requesting scalers on this crtc.
315 * If a bit is set, a user is using a scaler.
316 * Here user can be a plane or crtc as defined below:
317 * bits 0-30 - plane (bit position is index from drm_plane_index)
320 * Instead of creating a new index to cover planes and crtc, using
321 * existing drm_plane_index for planes which is well less than 31
322 * planes and bit 31 for crtc. This should be fine to cover all
325 * intel_atomic_setup_scalers will setup available scalers to users
326 * requesting scalers. It will gracefully fail if request exceeds
329 #define SKL_CRTC_INDEX 31
330 unsigned scaler_users;
332 /* scaler used by crtc for panel fitting purpose */
336 /* drm_mode->private_flags */
337 #define I915_MODE_FLAG_INHERITED 1
339 struct intel_pipe_wm {
340 struct intel_wm_level wm[5];
344 bool sprites_enabled;
349 struct skl_wm_level wm[8];
350 struct skl_wm_level trans_wm;
354 struct intel_crtc_state {
355 struct drm_crtc_state base;
358 * quirks - bitfield with hw state readout quirks
360 * For various reasons the hw state readout code might not be able to
361 * completely faithfully read out the current state. These cases are
362 * tracked with quirk flags so that fastboot and state checker can act
365 #define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */
366 unsigned long quirks;
368 bool update_pipe; /* can a fast modeset be performed? */
370 bool wm_changed; /* watermarks are updated */
372 /* Pipe source size (ie. panel fitter input size)
373 * All planes will be positioned inside this space,
374 * and get clipped at the edges. */
375 int pipe_src_w, pipe_src_h;
377 /* Whether to set up the PCH/FDI. Note that we never allow sharing
378 * between pch encoders and cpu encoders. */
379 bool has_pch_encoder;
381 /* Are we sending infoframes on the attached port */
384 /* CPU Transcoder for the pipe. Currently this can only differ from the
385 * pipe on Haswell (where we have a special eDP transcoder). */
386 enum transcoder cpu_transcoder;
389 * Use reduced/limited/broadcast rbg range, compressing from the full
390 * range fed into the crtcs.
392 bool limited_color_range;
394 /* DP has a bunch of special case unfortunately, so mark the pipe
398 /* DSI has special cases */
399 bool has_dsi_encoder;
401 /* Whether we should send NULL infoframes. Required for audio. */
404 /* Audio enabled on this pipe. Only valid if either has_hdmi_sink or
405 * has_dp_encoder is set. */
409 * Enable dithering, used when the selected pipe bpp doesn't match the
414 /* Controls for the clock computation, to override various stages. */
417 /* SDVO TV has a bunch of special case. To make multifunction encoders
418 * work correctly, we need to track this at runtime.*/
422 * crtc bandwidth limit, don't increase pipe bpp or clock if not really
423 * required. This is set in the 2nd loop of calling encoder's
424 * ->compute_config if the first pick doesn't work out.
428 /* Settings for the intel dpll used on pretty much everything but
432 /* Selected dpll when shared or DPLL_ID_PRIVATE. */
433 enum intel_dpll_id shared_dpll;
436 * - PORT_CLK_SEL for DDI ports on HSW/BDW.
437 * - enum skl_dpll on SKL
439 uint32_t ddi_pll_sel;
441 /* Actual register state of the dpll, for shared dpll cross-checking. */
442 struct intel_dpll_hw_state dpll_hw_state;
445 struct intel_link_m_n dp_m_n;
447 /* m2_n2 for eDP downclock */
448 struct intel_link_m_n dp_m2_n2;
452 * Frequence the dpll for the port should run at. Differs from the
453 * adjusted dotclock e.g. for DP or 12bpc hdmi mode. This is also
454 * already multiplied by pixel_multiplier.
458 /* Used by SDVO (and if we ever fix it, HDMI). */
459 unsigned pixel_multiplier;
463 /* Panel fitter controls for gen2-gen4 + VLV */
467 u32 lvds_border_bits;
470 /* Panel fitter placement and size for Ironlake+ */
478 /* FDI configuration, only valid if has_pch_encoder is set. */
480 struct intel_link_m_n fdi_m_n;
486 bool dp_encoder_is_mst;
489 struct intel_crtc_scaler_state scaler_state;
491 /* w/a for waiting 2 vblanks during crtc enable */
492 enum pipe hsw_workaround_pipe;
494 /* IVB sprite scaling w/a (WaCxSRDisabledForSpriteScaling:ivb) */
499 * optimal watermarks, programmed post-vblank when this state
503 struct intel_pipe_wm ilk;
504 struct skl_pipe_wm skl;
509 struct vlv_wm_state {
510 struct vlv_pipe_wm wm[3];
511 struct vlv_sr_wm sr[3];
512 uint8_t num_active_planes;
518 struct intel_mmio_flip {
519 struct work_struct work;
520 struct drm_i915_private *i915;
521 struct drm_i915_gem_request *req;
522 struct intel_crtc *crtc;
523 unsigned int rotation;
527 * Tracking of operations that need to be performed at the beginning/end of an
528 * atomic commit, outside the atomic section where interrupts are disabled.
529 * These are generally operations that grab mutexes or might otherwise sleep
530 * and thus can't be run with interrupts disabled.
532 struct intel_crtc_atomic_commit {
533 /* Sleepable operations to perform before commit */
536 bool pre_disable_primary;
538 /* Sleepable operations to perform after commit */
542 bool post_enable_primary;
543 unsigned update_sprite_watermarks;
547 struct drm_crtc base;
550 u8 lut_r[256], lut_g[256], lut_b[256];
552 * Whether the crtc and the connected output pipeline is active. Implies
553 * that crtc->enabled is set, i.e. the current mode configuration has
554 * some outputs connected to this crtc.
557 unsigned long enabled_power_domains;
559 struct intel_overlay *overlay;
560 struct intel_unpin_work *unpin_work;
562 atomic_t unpin_work_count;
564 /* Display surface base address adjustement for pageflips. Note that on
565 * gen4+ this only adjusts up to a tile, offsets within a tile are
566 * handled in the hw itself (with the TILEOFF register). */
567 unsigned long dspaddr_offset;
571 uint32_t cursor_addr;
572 uint32_t cursor_cntl;
573 uint32_t cursor_size;
574 uint32_t cursor_base;
576 struct intel_crtc_state *config;
578 /* reset counter value when the last flip was submitted */
579 unsigned int reset_counter;
581 /* Access to these should be protected by dev_priv->irq_lock. */
582 bool cpu_fifo_underrun_disabled;
583 bool pch_fifo_underrun_disabled;
585 /* per-pipe watermark state */
587 /* watermarks currently being used */
589 struct intel_pipe_wm ilk;
590 struct skl_pipe_wm skl;
592 /* allow CxSR on this pipe */
599 unsigned start_vbl_count;
600 ktime_t start_vbl_time;
601 int min_vbl, max_vbl;
605 struct intel_crtc_atomic_commit atomic;
607 /* scalers available on this crtc */
610 struct vlv_wm_state wm_state;
613 struct intel_plane_wm_parameters {
614 uint32_t horiz_pixels;
615 uint32_t vert_pixels;
617 * For packed pixel formats:
618 * bytes_per_pixel - holds bytes per pixel
619 * For planar pixel formats:
620 * bytes_per_pixel - holds bytes per pixel for uv-plane
621 * y_bytes_per_pixel - holds bytes per pixel for y-plane
623 uint8_t bytes_per_pixel;
624 uint8_t y_bytes_per_pixel;
628 unsigned int rotation;
633 struct drm_plane base;
638 uint32_t frontbuffer_bit;
640 /* Since we need to change the watermarks before/after
641 * enabling/disabling the planes, we need to store the parameters here
642 * as the other pieces of the struct may not reflect the values we want
643 * for the watermark calculations. Currently only Haswell uses this.
645 struct intel_plane_wm_parameters wm;
648 * NOTE: Do not place new plane state fields here (e.g., when adding
649 * new plane properties). New runtime state should now be placed in
650 * the intel_plane_state structure and accessed via drm_plane->state.
653 void (*update_plane)(struct drm_plane *plane,
654 struct drm_crtc *crtc,
655 struct drm_framebuffer *fb,
656 int crtc_x, int crtc_y,
657 unsigned int crtc_w, unsigned int crtc_h,
658 uint32_t x, uint32_t y,
659 uint32_t src_w, uint32_t src_h);
660 void (*disable_plane)(struct drm_plane *plane,
661 struct drm_crtc *crtc);
662 int (*check_plane)(struct drm_plane *plane,
663 struct intel_crtc_state *crtc_state,
664 struct intel_plane_state *state);
665 void (*commit_plane)(struct drm_plane *plane,
666 struct intel_plane_state *state);
669 struct intel_watermark_params {
670 unsigned long fifo_size;
671 unsigned long max_wm;
672 unsigned long default_wm;
673 unsigned long guard_size;
674 unsigned long cacheline_size;
677 struct cxsr_latency {
680 unsigned long fsb_freq;
681 unsigned long mem_freq;
682 unsigned long display_sr;
683 unsigned long display_hpll_disable;
684 unsigned long cursor_sr;
685 unsigned long cursor_hpll_disable;
688 #define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, base)
689 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
690 #define to_intel_crtc_state(x) container_of(x, struct intel_crtc_state, base)
691 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
692 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
693 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
694 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
695 #define to_intel_plane_state(x) container_of(x, struct intel_plane_state, base)
696 #define intel_fb_obj(x) (x ? to_intel_framebuffer(x)->obj : NULL)
701 bool limited_color_range;
702 bool color_range_auto;
705 enum hdmi_force_audio force_audio;
706 bool rgb_quant_range_selectable;
707 enum hdmi_picture_aspect aspect_ratio;
708 struct intel_connector *attached_connector;
709 void (*write_infoframe)(struct drm_encoder *encoder,
710 enum hdmi_infoframe_type type,
711 const void *frame, ssize_t len);
712 void (*set_infoframes)(struct drm_encoder *encoder,
714 const struct drm_display_mode *adjusted_mode);
715 bool (*infoframe_enabled)(struct drm_encoder *encoder,
716 const struct intel_crtc_state *pipe_config);
719 struct intel_dp_mst_encoder;
720 #define DP_MAX_DOWNSTREAM_PORTS 0x10
724 * When platform provides two set of M_N registers for dp, we can
725 * program them and switch between them incase of DRRS.
726 * But When only one such register is provided, we have to program the
727 * required divider value on that registers itself based on the DRRS state.
729 * M1_N1 : Program dp_m_n on M1_N1 registers
730 * dp_m2_n2 on M2_N2 registers (If supported)
732 * M2_N2 : Program dp_m2_n2 on M1_N1 registers
733 * M2_N2 registers are not supported
737 /* Sets the m1_n1 and m2_n2 */
743 i915_reg_t output_reg;
744 i915_reg_t aux_ch_ctl_reg;
745 i915_reg_t aux_ch_data_reg[5];
750 enum hdmi_force_audio force_audio;
751 bool limited_color_range;
752 bool color_range_auto;
753 uint8_t dpcd[DP_RECEIVER_CAP_SIZE];
754 uint8_t psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE];
755 uint8_t downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
756 /* sink rates as reported by DP_SUPPORTED_LINK_RATES */
757 uint8_t num_sink_rates;
758 int sink_rates[DP_MAX_SUPPORTED_RATES];
759 struct drm_dp_aux aux;
760 uint8_t train_set[4];
761 int panel_power_up_delay;
762 int panel_power_down_delay;
763 int panel_power_cycle_delay;
764 int backlight_on_delay;
765 int backlight_off_delay;
766 struct delayed_work panel_vdd_work;
768 unsigned long last_power_cycle;
769 unsigned long last_power_on;
770 unsigned long last_backlight_off;
772 struct notifier_block edp_notifier;
775 * Pipe whose power sequencer is currently locked into
776 * this port. Only relevant on VLV/CHV.
779 struct edp_power_seq pps_delays;
781 bool can_mst; /* this port supports mst */
783 int active_mst_links;
784 /* connector directly attached - won't be use for modeset in mst world */
785 struct intel_connector *attached_connector;
787 /* mst connector list */
788 struct intel_dp_mst_encoder *mst_encoders[I915_MAX_PIPES];
789 struct drm_dp_mst_topology_mgr mst_mgr;
791 uint32_t (*get_aux_clock_divider)(struct intel_dp *dp, int index);
793 * This function returns the value we have to program the AUX_CTL
794 * register with to kick off an AUX transaction.
796 uint32_t (*get_aux_send_ctl)(struct intel_dp *dp,
799 uint32_t aux_clock_divider);
801 /* This is called before a link training is starterd */
802 void (*prepare_link_retrain)(struct intel_dp *intel_dp);
804 bool train_set_valid;
806 /* Displayport compliance testing */
807 unsigned long compliance_test_type;
808 unsigned long compliance_test_data;
809 bool compliance_test_active;
812 struct intel_digital_port {
813 struct intel_encoder base;
817 struct intel_hdmi hdmi;
818 enum irqreturn (*hpd_pulse)(struct intel_digital_port *, bool);
819 bool release_cl2_override;
820 /* for communication with audio component; protected by av_mutex */
821 const struct drm_connector *audio_connector;
824 struct intel_dp_mst_encoder {
825 struct intel_encoder base;
827 struct intel_digital_port *primary;
828 void *port; /* store this opaque as its illegal to dereference it */
831 static inline enum dpio_channel
832 vlv_dport_to_channel(struct intel_digital_port *dport)
834 switch (dport->port) {
845 static inline enum dpio_phy
846 vlv_dport_to_phy(struct intel_digital_port *dport)
848 switch (dport->port) {
859 static inline enum dpio_channel
860 vlv_pipe_to_channel(enum pipe pipe)
873 static inline struct drm_crtc *
874 intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
876 struct drm_i915_private *dev_priv = dev->dev_private;
877 return dev_priv->pipe_to_crtc_mapping[pipe];
880 static inline struct drm_crtc *
881 intel_get_crtc_for_plane(struct drm_device *dev, int plane)
883 struct drm_i915_private *dev_priv = dev->dev_private;
884 return dev_priv->plane_to_crtc_mapping[plane];
887 struct intel_unpin_work {
888 struct work_struct work;
889 struct drm_crtc *crtc;
890 struct drm_framebuffer *old_fb;
891 struct drm_i915_gem_object *pending_flip_obj;
892 struct drm_pending_vblank_event *event;
894 #define INTEL_FLIP_INACTIVE 0
895 #define INTEL_FLIP_PENDING 1
896 #define INTEL_FLIP_COMPLETE 2
899 struct drm_i915_gem_request *flip_queued_req;
900 u32 flip_queued_vblank;
901 u32 flip_ready_vblank;
902 bool enable_stall_check;
905 struct intel_load_detect_pipe {
906 struct drm_framebuffer *release_fb;
907 bool load_detect_temp;
911 static inline struct intel_encoder *
912 intel_attached_encoder(struct drm_connector *connector)
914 return to_intel_connector(connector)->encoder;
917 static inline struct intel_digital_port *
918 enc_to_dig_port(struct drm_encoder *encoder)
920 return container_of(encoder, struct intel_digital_port, base.base);
923 static inline struct intel_dp_mst_encoder *
924 enc_to_mst(struct drm_encoder *encoder)
926 return container_of(encoder, struct intel_dp_mst_encoder, base.base);
929 static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder)
931 return &enc_to_dig_port(encoder)->dp;
934 static inline struct intel_digital_port *
935 dp_to_dig_port(struct intel_dp *intel_dp)
937 return container_of(intel_dp, struct intel_digital_port, dp);
940 static inline struct intel_digital_port *
941 hdmi_to_dig_port(struct intel_hdmi *intel_hdmi)
943 return container_of(intel_hdmi, struct intel_digital_port, hdmi);
947 * Returns the number of planes for this pipe, ie the number of sprites + 1
948 * (primary plane). This doesn't count the cursor plane then.
950 static inline unsigned int intel_num_planes(struct intel_crtc *crtc)
952 return INTEL_INFO(crtc->base.dev)->num_sprites[crtc->pipe] + 1;
955 /* intel_fifo_underrun.c */
956 bool intel_set_cpu_fifo_underrun_reporting(struct drm_i915_private *dev_priv,
957 enum pipe pipe, bool enable);
958 bool intel_set_pch_fifo_underrun_reporting(struct drm_i915_private *dev_priv,
959 enum transcoder pch_transcoder,
961 void intel_cpu_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv,
963 void intel_pch_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv,
964 enum transcoder pch_transcoder);
965 void intel_check_cpu_fifo_underruns(struct drm_i915_private *dev_priv);
966 void intel_check_pch_fifo_underruns(struct drm_i915_private *dev_priv);
969 void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
970 void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
971 void gen6_enable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
972 void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
973 void gen6_reset_rps_interrupts(struct drm_device *dev);
974 void gen6_enable_rps_interrupts(struct drm_device *dev);
975 void gen6_disable_rps_interrupts(struct drm_device *dev);
976 u32 gen6_sanitize_rps_pm_mask(struct drm_i915_private *dev_priv, u32 mask);
977 void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv);
978 void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv);
979 static inline bool intel_irqs_enabled(struct drm_i915_private *dev_priv)
982 * We only use drm_irq_uninstall() at unload and VT switch, so
983 * this is the only thing we need to check.
985 return dev_priv->pm.irqs_enabled;
988 int intel_get_crtc_scanline(struct intel_crtc *crtc);
989 void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv,
990 unsigned int pipe_mask);
993 void intel_crt_init(struct drm_device *dev);
997 void intel_ddi_clk_select(struct intel_encoder *encoder,
998 const struct intel_crtc_state *pipe_config);
999 void intel_prepare_ddi(struct drm_device *dev);
1000 void hsw_fdi_link_train(struct drm_crtc *crtc);
1001 void intel_ddi_init(struct drm_device *dev, enum port port);
1002 enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder);
1003 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
1004 void intel_ddi_pll_init(struct drm_device *dev);
1005 void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc);
1006 void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
1007 enum transcoder cpu_transcoder);
1008 void intel_ddi_enable_pipe_clock(struct intel_crtc *intel_crtc);
1009 void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc);
1010 bool intel_ddi_pll_select(struct intel_crtc *crtc,
1011 struct intel_crtc_state *crtc_state);
1012 void intel_ddi_set_pipe_settings(struct drm_crtc *crtc);
1013 void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp);
1014 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
1015 void intel_ddi_fdi_disable(struct drm_crtc *crtc);
1016 bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv,
1017 struct intel_crtc *intel_crtc);
1018 void intel_ddi_get_config(struct intel_encoder *encoder,
1019 struct intel_crtc_state *pipe_config);
1020 struct intel_encoder *
1021 intel_ddi_get_crtc_new_encoder(struct intel_crtc_state *crtc_state);
1023 void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder);
1024 void intel_ddi_clock_get(struct intel_encoder *encoder,
1025 struct intel_crtc_state *pipe_config);
1026 void intel_ddi_set_vc_payload_alloc(struct drm_crtc *crtc, bool state);
1027 uint32_t ddi_signal_levels(struct intel_dp *intel_dp);
1029 /* intel_frontbuffer.c */
1030 void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,
1031 enum fb_op_origin origin);
1032 void intel_frontbuffer_flip_prepare(struct drm_device *dev,
1033 unsigned frontbuffer_bits);
1034 void intel_frontbuffer_flip_complete(struct drm_device *dev,
1035 unsigned frontbuffer_bits);
1036 void intel_frontbuffer_flip(struct drm_device *dev,
1037 unsigned frontbuffer_bits);
1038 unsigned int intel_fb_align_height(struct drm_device *dev,
1039 unsigned int height,
1040 uint32_t pixel_format,
1041 uint64_t fb_format_modifier);
1042 void intel_fb_obj_flush(struct drm_i915_gem_object *obj, bool retire,
1043 enum fb_op_origin origin);
1044 u32 intel_fb_stride_alignment(struct drm_device *dev, uint64_t fb_modifier,
1045 uint32_t pixel_format);
1048 void intel_init_audio(struct drm_device *dev);
1049 void intel_audio_codec_enable(struct intel_encoder *encoder);
1050 void intel_audio_codec_disable(struct intel_encoder *encoder);
1051 void i915_audio_component_init(struct drm_i915_private *dev_priv);
1052 void i915_audio_component_cleanup(struct drm_i915_private *dev_priv);
1054 /* intel_display.c */
1055 extern const struct drm_plane_funcs intel_plane_funcs;
1056 bool intel_has_pending_fb_unpin(struct drm_device *dev);
1057 int intel_pch_rawclk(struct drm_device *dev);
1058 int intel_hrawclk(struct drm_device *dev);
1059 void intel_mark_busy(struct drm_device *dev);
1060 void intel_mark_idle(struct drm_device *dev);
1061 void intel_crtc_restore_mode(struct drm_crtc *crtc);
1062 int intel_display_suspend(struct drm_device *dev);
1063 void intel_encoder_destroy(struct drm_encoder *encoder);
1064 int intel_connector_init(struct intel_connector *);
1065 struct intel_connector *intel_connector_alloc(void);
1066 bool intel_connector_get_hw_state(struct intel_connector *connector);
1067 void intel_connector_attach_encoder(struct intel_connector *connector,
1068 struct intel_encoder *encoder);
1069 struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
1070 struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
1071 struct drm_crtc *crtc);
1072 enum pipe intel_get_pipe_from_connector(struct intel_connector *connector);
1073 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
1074 struct drm_file *file_priv);
1075 enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv,
1077 bool intel_pipe_has_type(struct intel_crtc *crtc, enum intel_output_type type);
1079 intel_wait_for_vblank(struct drm_device *dev, int pipe)
1081 drm_wait_one_vblank(dev, pipe);
1084 intel_wait_for_vblank_if_active(struct drm_device *dev, int pipe)
1086 const struct intel_crtc *crtc =
1087 to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe));
1090 intel_wait_for_vblank(dev, pipe);
1092 int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp);
1093 void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
1094 struct intel_digital_port *dport,
1095 unsigned int expected_mask);
1096 bool intel_get_load_detect_pipe(struct drm_connector *connector,
1097 struct drm_display_mode *mode,
1098 struct intel_load_detect_pipe *old,
1099 struct drm_modeset_acquire_ctx *ctx);
1100 void intel_release_load_detect_pipe(struct drm_connector *connector,
1101 struct intel_load_detect_pipe *old,
1102 struct drm_modeset_acquire_ctx *ctx);
1103 int intel_pin_and_fence_fb_obj(struct drm_plane *plane,
1104 struct drm_framebuffer *fb,
1105 const struct drm_plane_state *plane_state);
1106 struct drm_framebuffer *
1107 __intel_framebuffer_create(struct drm_device *dev,
1108 struct drm_mode_fb_cmd2 *mode_cmd,
1109 struct drm_i915_gem_object *obj);
1110 void intel_prepare_page_flip(struct drm_device *dev, int plane);
1111 void intel_finish_page_flip(struct drm_device *dev, int pipe);
1112 void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
1113 void intel_check_page_flip(struct drm_device *dev, int pipe);
1114 int intel_prepare_plane_fb(struct drm_plane *plane,
1115 const struct drm_plane_state *new_state);
1116 void intel_cleanup_plane_fb(struct drm_plane *plane,
1117 const struct drm_plane_state *old_state);
1118 int intel_plane_atomic_get_property(struct drm_plane *plane,
1119 const struct drm_plane_state *state,
1120 struct drm_property *property,
1122 int intel_plane_atomic_set_property(struct drm_plane *plane,
1123 struct drm_plane_state *state,
1124 struct drm_property *property,
1126 int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
1127 struct drm_plane_state *plane_state);
1130 intel_tile_height(struct drm_device *dev, uint32_t pixel_format,
1131 uint64_t fb_format_modifier, unsigned int plane);
1134 intel_rotation_90_or_270(unsigned int rotation)
1136 return rotation & (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270));
1139 void intel_create_rotation_property(struct drm_device *dev,
1140 struct intel_plane *plane);
1142 /* shared dpll functions */
1143 struct intel_shared_dpll *intel_crtc_to_shared_dpll(struct intel_crtc *crtc);
1144 void assert_shared_dpll(struct drm_i915_private *dev_priv,
1145 struct intel_shared_dpll *pll,
1147 #define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true)
1148 #define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
1149 struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
1150 struct intel_crtc_state *state);
1152 void vlv_force_pll_on(struct drm_device *dev, enum pipe pipe,
1153 const struct dpll *dpll);
1154 void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe);
1156 /* modesetting asserts */
1157 void assert_panel_unlocked(struct drm_i915_private *dev_priv,
1159 void assert_pll(struct drm_i915_private *dev_priv,
1160 enum pipe pipe, bool state);
1161 #define assert_pll_enabled(d, p) assert_pll(d, p, true)
1162 #define assert_pll_disabled(d, p) assert_pll(d, p, false)
1163 void assert_fdi_rx_pll(struct drm_i915_private *dev_priv,
1164 enum pipe pipe, bool state);
1165 #define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
1166 #define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
1167 void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, bool state);
1168 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
1169 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
1170 unsigned long intel_gen4_compute_page_offset(struct drm_i915_private *dev_priv,
1172 unsigned int tiling_mode,
1174 unsigned int pitch);
1175 void intel_prepare_reset(struct drm_device *dev);
1176 void intel_finish_reset(struct drm_device *dev);
1177 void hsw_enable_pc8(struct drm_i915_private *dev_priv);
1178 void hsw_disable_pc8(struct drm_i915_private *dev_priv);
1179 void broxton_init_cdclk(struct drm_device *dev);
1180 void broxton_uninit_cdclk(struct drm_device *dev);
1181 void broxton_ddi_phy_init(struct drm_device *dev);
1182 void broxton_ddi_phy_uninit(struct drm_device *dev);
1183 void bxt_enable_dc9(struct drm_i915_private *dev_priv);
1184 void bxt_disable_dc9(struct drm_i915_private *dev_priv);
1185 void skl_init_cdclk(struct drm_i915_private *dev_priv);
1186 int skl_sanitize_cdclk(struct drm_i915_private *dev_priv);
1187 void skl_uninit_cdclk(struct drm_i915_private *dev_priv);
1188 void skl_enable_dc6(struct drm_i915_private *dev_priv);
1189 void skl_disable_dc6(struct drm_i915_private *dev_priv);
1190 void intel_dp_get_m_n(struct intel_crtc *crtc,
1191 struct intel_crtc_state *pipe_config);
1192 void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n);
1193 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
1195 ironlake_check_encoder_dotclock(const struct intel_crtc_state *pipe_config,
1197 bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock,
1198 intel_clock_t *best_clock);
1199 int chv_calc_dpll_params(int refclk, intel_clock_t *pll_clock);
1201 bool intel_crtc_active(struct drm_crtc *crtc);
1202 void hsw_enable_ips(struct intel_crtc *crtc);
1203 void hsw_disable_ips(struct intel_crtc *crtc);
1204 enum intel_display_power_domain
1205 intel_display_port_power_domain(struct intel_encoder *intel_encoder);
1206 enum intel_display_power_domain
1207 intel_display_port_aux_power_domain(struct intel_encoder *intel_encoder);
1208 void intel_mode_from_pipe_config(struct drm_display_mode *mode,
1209 struct intel_crtc_state *pipe_config);
1210 void intel_modeset_preclose(struct drm_device *dev, struct drm_file *file);
1212 int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state);
1213 int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state);
1215 u32 intel_plane_obj_offset(struct intel_plane *intel_plane,
1216 struct drm_i915_gem_object *obj,
1217 unsigned int plane);
1219 u32 skl_plane_ctl_format(uint32_t pixel_format);
1220 u32 skl_plane_ctl_tiling(uint64_t fb_modifier);
1221 u32 skl_plane_ctl_rotation(unsigned int rotation);
1224 void intel_csr_ucode_init(struct drm_i915_private *);
1225 void intel_csr_load_program(struct drm_i915_private *);
1226 void intel_csr_ucode_fini(struct drm_i915_private *);
1229 void intel_dp_init(struct drm_device *dev, i915_reg_t output_reg, enum port port);
1230 bool intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
1231 struct intel_connector *intel_connector);
1232 void intel_dp_set_link_params(struct intel_dp *intel_dp,
1233 const struct intel_crtc_state *pipe_config);
1234 void intel_dp_start_link_train(struct intel_dp *intel_dp);
1235 void intel_dp_stop_link_train(struct intel_dp *intel_dp);
1236 void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode);
1237 void intel_dp_encoder_destroy(struct drm_encoder *encoder);
1238 int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc);
1239 bool intel_dp_compute_config(struct intel_encoder *encoder,
1240 struct intel_crtc_state *pipe_config);
1241 bool intel_dp_is_edp(struct drm_device *dev, enum port port);
1242 enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port,
1244 void intel_edp_backlight_on(struct intel_dp *intel_dp);
1245 void intel_edp_backlight_off(struct intel_dp *intel_dp);
1246 void intel_edp_panel_vdd_on(struct intel_dp *intel_dp);
1247 void intel_edp_panel_on(struct intel_dp *intel_dp);
1248 void intel_edp_panel_off(struct intel_dp *intel_dp);
1249 void intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector);
1250 void intel_dp_mst_suspend(struct drm_device *dev);
1251 void intel_dp_mst_resume(struct drm_device *dev);
1252 int intel_dp_max_link_rate(struct intel_dp *intel_dp);
1253 int intel_dp_rate_select(struct intel_dp *intel_dp, int rate);
1254 void intel_dp_hot_plug(struct intel_encoder *intel_encoder);
1255 void vlv_power_sequencer_reset(struct drm_i915_private *dev_priv);
1256 uint32_t intel_dp_pack_aux(const uint8_t *src, int src_bytes);
1257 void intel_plane_destroy(struct drm_plane *plane);
1258 void intel_edp_drrs_enable(struct intel_dp *intel_dp);
1259 void intel_edp_drrs_disable(struct intel_dp *intel_dp);
1260 void intel_edp_drrs_invalidate(struct drm_device *dev,
1261 unsigned frontbuffer_bits);
1262 void intel_edp_drrs_flush(struct drm_device *dev, unsigned frontbuffer_bits);
1263 bool intel_digital_port_connected(struct drm_i915_private *dev_priv,
1264 struct intel_digital_port *port);
1265 void hsw_dp_set_ddi_pll_sel(struct intel_crtc_state *pipe_config);
1268 intel_dp_program_link_training_pattern(struct intel_dp *intel_dp,
1269 uint8_t dp_train_pat);
1271 intel_dp_set_signal_levels(struct intel_dp *intel_dp);
1272 void intel_dp_set_idle_link_train(struct intel_dp *intel_dp);
1274 intel_dp_voltage_max(struct intel_dp *intel_dp);
1276 intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, uint8_t voltage_swing);
1277 void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
1278 uint8_t *link_bw, uint8_t *rate_select);
1279 bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp);
1281 intel_dp_get_link_status(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE]);
1283 /* intel_dp_mst.c */
1284 int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_id);
1285 void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port);
1287 void intel_dsi_init(struct drm_device *dev);
1291 void intel_dvo_init(struct drm_device *dev);
1294 /* legacy fbdev emulation in intel_fbdev.c */
1295 #ifdef CONFIG_DRM_FBDEV_EMULATION
1296 extern int intel_fbdev_init(struct drm_device *dev);
1297 extern void intel_fbdev_initial_config_async(struct drm_device *dev);
1298 extern void intel_fbdev_fini(struct drm_device *dev);
1299 extern void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous);
1300 extern void intel_fbdev_output_poll_changed(struct drm_device *dev);
1301 extern void intel_fbdev_restore_mode(struct drm_device *dev);
1303 static inline int intel_fbdev_init(struct drm_device *dev)
1308 static inline void intel_fbdev_initial_config_async(struct drm_device *dev)
1312 static inline void intel_fbdev_fini(struct drm_device *dev)
1316 static inline void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous)
1320 static inline void intel_fbdev_restore_mode(struct drm_device *dev)
1326 bool intel_fbc_is_active(struct drm_i915_private *dev_priv);
1327 void intel_fbc_deactivate(struct intel_crtc *crtc);
1328 void intel_fbc_update(struct intel_crtc *crtc);
1329 void intel_fbc_init(struct drm_i915_private *dev_priv);
1330 void intel_fbc_enable(struct intel_crtc *crtc);
1331 void intel_fbc_disable(struct drm_i915_private *dev_priv);
1332 void intel_fbc_disable_crtc(struct intel_crtc *crtc);
1333 void intel_fbc_invalidate(struct drm_i915_private *dev_priv,
1334 unsigned int frontbuffer_bits,
1335 enum fb_op_origin origin);
1336 void intel_fbc_flush(struct drm_i915_private *dev_priv,
1337 unsigned int frontbuffer_bits, enum fb_op_origin origin);
1338 void intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv);
1341 void intel_hdmi_init(struct drm_device *dev, i915_reg_t hdmi_reg, enum port port);
1342 void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
1343 struct intel_connector *intel_connector);
1344 struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder);
1345 bool intel_hdmi_compute_config(struct intel_encoder *encoder,
1346 struct intel_crtc_state *pipe_config);
1350 void intel_lvds_init(struct drm_device *dev);
1351 bool intel_is_dual_link_lvds(struct drm_device *dev);
1355 int intel_connector_update_modes(struct drm_connector *connector,
1357 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
1358 void intel_attach_force_audio_property(struct drm_connector *connector);
1359 void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
1360 void intel_attach_aspect_ratio_property(struct drm_connector *connector);
1363 /* intel_overlay.c */
1364 void intel_setup_overlay(struct drm_device *dev);
1365 void intel_cleanup_overlay(struct drm_device *dev);
1366 int intel_overlay_switch_off(struct intel_overlay *overlay);
1367 int intel_overlay_put_image(struct drm_device *dev, void *data,
1368 struct drm_file *file_priv);
1369 int intel_overlay_attrs(struct drm_device *dev, void *data,
1370 struct drm_file *file_priv);
1371 void intel_overlay_reset(struct drm_i915_private *dev_priv);
1375 int intel_panel_init(struct intel_panel *panel,
1376 struct drm_display_mode *fixed_mode,
1377 struct drm_display_mode *downclock_mode);
1378 void intel_panel_fini(struct intel_panel *panel);
1379 void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode,
1380 struct drm_display_mode *adjusted_mode);
1381 void intel_pch_panel_fitting(struct intel_crtc *crtc,
1382 struct intel_crtc_state *pipe_config,
1384 void intel_gmch_panel_fitting(struct intel_crtc *crtc,
1385 struct intel_crtc_state *pipe_config,
1387 void intel_panel_set_backlight_acpi(struct intel_connector *connector,
1388 u32 level, u32 max);
1389 int intel_panel_setup_backlight(struct drm_connector *connector, enum pipe pipe);
1390 void intel_panel_enable_backlight(struct intel_connector *connector);
1391 void intel_panel_disable_backlight(struct intel_connector *connector);
1392 void intel_panel_destroy_backlight(struct drm_connector *connector);
1393 enum drm_connector_status intel_panel_detect(struct drm_device *dev);
1394 extern struct drm_display_mode *intel_find_panel_downclock(
1395 struct drm_device *dev,
1396 struct drm_display_mode *fixed_mode,
1397 struct drm_connector *connector);
1398 void intel_backlight_register(struct drm_device *dev);
1399 void intel_backlight_unregister(struct drm_device *dev);
1403 void intel_psr_enable(struct intel_dp *intel_dp);
1404 void intel_psr_disable(struct intel_dp *intel_dp);
1405 void intel_psr_invalidate(struct drm_device *dev,
1406 unsigned frontbuffer_bits);
1407 void intel_psr_flush(struct drm_device *dev,
1408 unsigned frontbuffer_bits,
1409 enum fb_op_origin origin);
1410 void intel_psr_init(struct drm_device *dev);
1411 void intel_psr_single_frame_update(struct drm_device *dev,
1412 unsigned frontbuffer_bits);
1414 /* intel_runtime_pm.c */
1415 int intel_power_domains_init(struct drm_i915_private *);
1416 void intel_power_domains_fini(struct drm_i915_private *);
1417 void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume);
1418 void intel_power_domains_suspend(struct drm_i915_private *dev_priv);
1419 void skl_pw1_misc_io_init(struct drm_i915_private *dev_priv);
1420 void skl_pw1_misc_io_fini(struct drm_i915_private *dev_priv);
1421 void intel_runtime_pm_enable(struct drm_i915_private *dev_priv);
1423 intel_display_power_domain_str(enum intel_display_power_domain domain);
1425 bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv,
1426 enum intel_display_power_domain domain);
1427 bool __intel_display_power_is_enabled(struct drm_i915_private *dev_priv,
1428 enum intel_display_power_domain domain);
1429 void intel_display_power_get(struct drm_i915_private *dev_priv,
1430 enum intel_display_power_domain domain);
1431 void intel_display_power_put(struct drm_i915_private *dev_priv,
1432 enum intel_display_power_domain domain);
1435 assert_rpm_device_not_suspended(struct drm_i915_private *dev_priv)
1437 WARN_ONCE(dev_priv->pm.suspended,
1438 "Device suspended during HW access\n");
1442 assert_rpm_wakelock_held(struct drm_i915_private *dev_priv)
1444 assert_rpm_device_not_suspended(dev_priv);
1445 /* FIXME: Needs to be converted back to WARN_ONCE, but currently causes
1446 * too much noise. */
1447 if (!atomic_read(&dev_priv->pm.wakeref_count))
1448 DRM_DEBUG_DRIVER("RPM wakelock ref not held during HW access");
1452 assert_rpm_atomic_begin(struct drm_i915_private *dev_priv)
1454 int seq = atomic_read(&dev_priv->pm.atomic_seq);
1456 assert_rpm_wakelock_held(dev_priv);
1462 assert_rpm_atomic_end(struct drm_i915_private *dev_priv, int begin_seq)
1464 WARN_ONCE(atomic_read(&dev_priv->pm.atomic_seq) != begin_seq,
1465 "HW access outside of RPM atomic section\n");
1469 * disable_rpm_wakeref_asserts - disable the RPM assert checks
1470 * @dev_priv: i915 device instance
1472 * This function disable asserts that check if we hold an RPM wakelock
1473 * reference, while keeping the device-not-suspended checks still enabled.
1474 * It's meant to be used only in special circumstances where our rule about
1475 * the wakelock refcount wrt. the device power state doesn't hold. According
1476 * to this rule at any point where we access the HW or want to keep the HW in
1477 * an active state we must hold an RPM wakelock reference acquired via one of
1478 * the intel_runtime_pm_get() helpers. Currently there are a few special spots
1479 * where this rule doesn't hold: the IRQ and suspend/resume handlers, the
1480 * forcewake release timer, and the GPU RPS and hangcheck works. All other
1481 * users should avoid using this function.
1483 * Any calls to this function must have a symmetric call to
1484 * enable_rpm_wakeref_asserts().
1487 disable_rpm_wakeref_asserts(struct drm_i915_private *dev_priv)
1489 atomic_inc(&dev_priv->pm.wakeref_count);
1493 * enable_rpm_wakeref_asserts - re-enable the RPM assert checks
1494 * @dev_priv: i915 device instance
1496 * This function re-enables the RPM assert checks after disabling them with
1497 * disable_rpm_wakeref_asserts. It's meant to be used only in special
1498 * circumstances otherwise its use should be avoided.
1500 * Any calls to this function must have a symmetric call to
1501 * disable_rpm_wakeref_asserts().
1504 enable_rpm_wakeref_asserts(struct drm_i915_private *dev_priv)
1506 atomic_dec(&dev_priv->pm.wakeref_count);
1509 /* TODO: convert users of these to rely instead on proper RPM refcounting */
1510 #define DISABLE_RPM_WAKEREF_ASSERTS(dev_priv) \
1511 disable_rpm_wakeref_asserts(dev_priv)
1513 #define ENABLE_RPM_WAKEREF_ASSERTS(dev_priv) \
1514 enable_rpm_wakeref_asserts(dev_priv)
1516 void intel_runtime_pm_get(struct drm_i915_private *dev_priv);
1517 void intel_runtime_pm_get_noresume(struct drm_i915_private *dev_priv);
1518 void intel_runtime_pm_put(struct drm_i915_private *dev_priv);
1520 void intel_display_set_init_power(struct drm_i915_private *dev, bool enable);
1522 void chv_phy_powergate_lanes(struct intel_encoder *encoder,
1523 bool override, unsigned int mask);
1524 bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy,
1525 enum dpio_channel ch, bool override);
1529 void intel_init_clock_gating(struct drm_device *dev);
1530 void intel_suspend_hw(struct drm_device *dev);
1531 int ilk_wm_max_level(const struct drm_device *dev);
1532 void intel_update_watermarks(struct drm_crtc *crtc);
1533 void intel_init_pm(struct drm_device *dev);
1534 void intel_pm_setup(struct drm_device *dev);
1535 void intel_gpu_ips_init(struct drm_i915_private *dev_priv);
1536 void intel_gpu_ips_teardown(void);
1537 void intel_init_gt_powersave(struct drm_device *dev);
1538 void intel_cleanup_gt_powersave(struct drm_device *dev);
1539 void intel_enable_gt_powersave(struct drm_device *dev);
1540 void intel_disable_gt_powersave(struct drm_device *dev);
1541 void intel_suspend_gt_powersave(struct drm_device *dev);
1542 void intel_reset_gt_powersave(struct drm_device *dev);
1543 void gen6_update_ring_freq(struct drm_device *dev);
1544 void gen6_rps_busy(struct drm_i915_private *dev_priv);
1545 void gen6_rps_reset_ei(struct drm_i915_private *dev_priv);
1546 void gen6_rps_idle(struct drm_i915_private *dev_priv);
1547 void gen6_rps_boost(struct drm_i915_private *dev_priv,
1548 struct intel_rps_client *rps,
1549 unsigned long submitted);
1550 void intel_queue_rps_boost_for_request(struct drm_device *dev,
1551 struct drm_i915_gem_request *req);
1552 void vlv_wm_get_hw_state(struct drm_device *dev);
1553 void ilk_wm_get_hw_state(struct drm_device *dev);
1554 void skl_wm_get_hw_state(struct drm_device *dev);
1555 void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv,
1556 struct skl_ddb_allocation *ddb /* out */);
1557 uint32_t ilk_pipe_pixel_rate(const struct intel_crtc_state *pipe_config);
1560 bool intel_sdvo_init(struct drm_device *dev,
1561 i915_reg_t reg, enum port port);
1564 /* intel_sprite.c */
1565 int intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane);
1566 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
1567 struct drm_file *file_priv);
1568 void intel_pipe_update_start(struct intel_crtc *crtc);
1569 void intel_pipe_update_end(struct intel_crtc *crtc);
1572 void intel_tv_init(struct drm_device *dev);
1574 /* intel_atomic.c */
1575 int intel_connector_atomic_get_property(struct drm_connector *connector,
1576 const struct drm_connector_state *state,
1577 struct drm_property *property,
1579 struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
1580 void intel_crtc_destroy_state(struct drm_crtc *crtc,
1581 struct drm_crtc_state *state);
1582 struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev);
1583 void intel_atomic_state_clear(struct drm_atomic_state *);
1584 struct intel_shared_dpll_config *
1585 intel_atomic_get_shared_dpll_state(struct drm_atomic_state *s);
1587 static inline struct intel_crtc_state *
1588 intel_atomic_get_crtc_state(struct drm_atomic_state *state,
1589 struct intel_crtc *crtc)
1591 struct drm_crtc_state *crtc_state;
1592 crtc_state = drm_atomic_get_crtc_state(state, &crtc->base);
1593 if (IS_ERR(crtc_state))
1594 return ERR_CAST(crtc_state);
1596 return to_intel_crtc_state(crtc_state);
1598 int intel_atomic_setup_scalers(struct drm_device *dev,
1599 struct intel_crtc *intel_crtc,
1600 struct intel_crtc_state *crtc_state);
1602 /* intel_atomic_plane.c */
1603 struct intel_plane_state *intel_create_plane_state(struct drm_plane *plane);
1604 struct drm_plane_state *intel_plane_duplicate_state(struct drm_plane *plane);
1605 void intel_plane_destroy_state(struct drm_plane *plane,
1606 struct drm_plane_state *state);
1607 extern const struct drm_plane_helper_funcs intel_plane_helper_funcs;
1609 #endif /* __INTEL_DRV_H__ */