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 <linux/sched/clock.h>
32 #include <drm/i915_drm.h>
34 #include <drm/drm_crtc.h>
35 #include <drm/drm_crtc_helper.h>
36 #include <drm/drm_encoder.h>
37 #include <drm/drm_fb_helper.h>
38 #include <drm/drm_dp_dual_mode_helper.h>
39 #include <drm/drm_dp_mst_helper.h>
40 #include <drm/drm_rect.h>
41 #include <drm/drm_atomic.h>
44 * _wait_for - magic (register) wait macro
46 * Does the right thing for modeset paths when run under kdgb or similar atomic
47 * contexts. Note that it's important that we check the condition again after
48 * having timed out, since the timeout could be due to preemption or similar and
49 * we've never had a chance to check the condition before the timeout.
51 #define _wait_for(COND, US, W) ({ \
52 unsigned long timeout__ = jiffies + usecs_to_jiffies(US) + 1; \
56 bool expired__ = time_after(jiffies, timeout__); \
65 usleep_range((W), (W) * 2); \
70 #define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 1000)
72 /* If CONFIG_PREEMPT_COUNT is disabled, in_atomic() always reports false. */
73 #if defined(CONFIG_DRM_I915_DEBUG) && defined(CONFIG_PREEMPT_COUNT)
74 # define _WAIT_FOR_ATOMIC_CHECK(ATOMIC) WARN_ON_ONCE((ATOMIC) && !in_atomic())
76 # define _WAIT_FOR_ATOMIC_CHECK(ATOMIC) do { } while (0)
79 #define _wait_for_atomic(COND, US, ATOMIC) \
81 int cpu, ret, timeout = (US) * 1000; \
83 _WAIT_FOR_ATOMIC_CHECK(ATOMIC); \
86 cpu = smp_processor_id(); \
88 base = local_clock(); \
90 u64 now = local_clock(); \
97 if (now - base >= timeout) { \
104 if (unlikely(cpu != smp_processor_id())) { \
105 timeout -= now - base; \
106 cpu = smp_processor_id(); \
107 base = local_clock(); \
114 #define wait_for_us(COND, US) \
117 BUILD_BUG_ON(!__builtin_constant_p(US)); \
119 ret__ = _wait_for((COND), (US), 10); \
121 ret__ = _wait_for_atomic((COND), (US), 0); \
125 #define wait_for_atomic_us(COND, US) \
127 BUILD_BUG_ON(!__builtin_constant_p(US)); \
128 BUILD_BUG_ON((US) > 50000); \
129 _wait_for_atomic((COND), (US), 1); \
132 #define wait_for_atomic(COND, MS) wait_for_atomic_us((COND), (MS) * 1000)
134 #define KHz(x) (1000 * (x))
135 #define MHz(x) KHz(1000 * (x))
138 * Display related stuff
141 /* store information about an Ixxx DVO */
142 /* The i830->i865 use multiple DVOs with multiple i2cs */
143 /* the i915, i945 have a single sDVO i2c bus - which is different */
144 #define MAX_OUTPUTS 6
145 /* maximum connectors per crtcs in the mode set */
147 /* Maximum cursor sizes */
148 #define GEN2_CURSOR_WIDTH 64
149 #define GEN2_CURSOR_HEIGHT 64
150 #define MAX_CURSOR_WIDTH 256
151 #define MAX_CURSOR_HEIGHT 256
153 #define INTEL_I2C_BUS_DVO 1
154 #define INTEL_I2C_BUS_SDVO 2
156 /* these are outputs from the chip - integrated only
157 external chips are via DVO or SDVO output */
158 enum intel_output_type
{
159 INTEL_OUTPUT_UNUSED
= 0,
160 INTEL_OUTPUT_ANALOG
= 1,
161 INTEL_OUTPUT_DVO
= 2,
162 INTEL_OUTPUT_SDVO
= 3,
163 INTEL_OUTPUT_LVDS
= 4,
164 INTEL_OUTPUT_TVOUT
= 5,
165 INTEL_OUTPUT_HDMI
= 6,
167 INTEL_OUTPUT_EDP
= 8,
168 INTEL_OUTPUT_DSI
= 9,
169 INTEL_OUTPUT_DDI
= 10,
170 INTEL_OUTPUT_DP_MST
= 11,
173 #define INTEL_DVO_CHIP_NONE 0
174 #define INTEL_DVO_CHIP_LVDS 1
175 #define INTEL_DVO_CHIP_TMDS 2
176 #define INTEL_DVO_CHIP_TVOUT 4
178 #define INTEL_DSI_VIDEO_MODE 0
179 #define INTEL_DSI_COMMAND_MODE 1
181 struct intel_framebuffer
{
182 struct drm_framebuffer base
;
183 struct drm_i915_gem_object
*obj
;
184 struct intel_rotation_info rot_info
;
186 /* for each plane in the normal GTT view */
190 /* for each plane in the rotated GTT view */
193 unsigned int pitch
; /* pixels */
198 struct drm_fb_helper helper
;
199 struct intel_framebuffer
*fb
;
200 struct i915_vma
*vma
;
201 async_cookie_t cookie
;
205 struct intel_encoder
{
206 struct drm_encoder base
;
208 enum intel_output_type type
;
210 unsigned int cloneable
;
211 void (*hot_plug
)(struct intel_encoder
*);
212 enum intel_output_type (*compute_output_type
)(struct intel_encoder
*,
213 struct intel_crtc_state
*,
214 struct drm_connector_state
*);
215 bool (*compute_config
)(struct intel_encoder
*,
216 struct intel_crtc_state
*,
217 struct drm_connector_state
*);
218 void (*pre_pll_enable
)(struct intel_encoder
*,
219 const struct intel_crtc_state
*,
220 const struct drm_connector_state
*);
221 void (*pre_enable
)(struct intel_encoder
*,
222 const struct intel_crtc_state
*,
223 const struct drm_connector_state
*);
224 void (*enable
)(struct intel_encoder
*,
225 const struct intel_crtc_state
*,
226 const struct drm_connector_state
*);
227 void (*disable
)(struct intel_encoder
*,
228 const struct intel_crtc_state
*,
229 const struct drm_connector_state
*);
230 void (*post_disable
)(struct intel_encoder
*,
231 const struct intel_crtc_state
*,
232 const struct drm_connector_state
*);
233 void (*post_pll_disable
)(struct intel_encoder
*,
234 const struct intel_crtc_state
*,
235 const struct drm_connector_state
*);
236 /* Read out the current hw state of this connector, returning true if
237 * the encoder is active. If the encoder is enabled it also set the pipe
238 * it is connected to in the pipe parameter. */
239 bool (*get_hw_state
)(struct intel_encoder
*, enum pipe
*pipe
);
240 /* Reconstructs the equivalent mode flags for the current hardware
241 * state. This must be called _after_ display->get_pipe_config has
242 * pre-filled the pipe config. Note that intel_encoder->base.crtc must
243 * be set correctly before calling this function. */
244 void (*get_config
)(struct intel_encoder
*,
245 struct intel_crtc_state
*pipe_config
);
246 /* Returns a mask of power domains that need to be referenced as part
247 * of the hardware state readout code. */
248 u64 (*get_power_domains
)(struct intel_encoder
*encoder
);
250 * Called during system suspend after all pending requests for the
251 * encoder are flushed (for example for DP AUX transactions) and
252 * device interrupts are disabled.
254 void (*suspend
)(struct intel_encoder
*);
256 enum hpd_pin hpd_pin
;
257 enum intel_display_power_domain power_domain
;
258 /* for communication with audio component; protected by av_mutex */
259 const struct drm_connector
*audio_connector
;
263 struct drm_display_mode
*fixed_mode
;
264 struct drm_display_mode
*alt_fixed_mode
;
265 struct drm_display_mode
*downclock_mode
;
274 bool combination_mode
; /* gen 2/4 only */
276 bool alternate_pwm_increment
; /* lpt+ */
279 bool util_pin_active_low
; /* bxt+ */
280 u8 controller
; /* bxt+ only */
281 struct pwm_device
*pwm
;
283 struct backlight_device
*device
;
285 /* Connector and platform specific backlight functions */
286 int (*setup
)(struct intel_connector
*connector
, enum pipe pipe
);
287 uint32_t (*get
)(struct intel_connector
*connector
);
288 void (*set
)(const struct drm_connector_state
*conn_state
, uint32_t level
);
289 void (*disable
)(const struct drm_connector_state
*conn_state
);
290 void (*enable
)(const struct intel_crtc_state
*crtc_state
,
291 const struct drm_connector_state
*conn_state
);
292 uint32_t (*hz_to_pwm
)(struct intel_connector
*connector
,
294 void (*power
)(struct intel_connector
*, bool enable
);
298 struct intel_connector
{
299 struct drm_connector base
;
301 * The fixed encoder this connector is connected to.
303 struct intel_encoder
*encoder
;
305 /* ACPI device id for ACPI and driver cooperation */
308 /* Reads out the current hw, returning true if the connector is enabled
309 * and active (i.e. dpms ON state). */
310 bool (*get_hw_state
)(struct intel_connector
*);
312 /* Panel info for eDP and LVDS */
313 struct intel_panel panel
;
315 /* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */
317 struct edid
*detect_edid
;
319 /* since POLL and HPD connectors may use the same HPD line keep the native
320 state of connector->polled in case hotplug storm detection changes it */
323 void *port
; /* store this opaque as its illegal to dereference it */
325 struct intel_dp
*mst_port
;
327 /* Work struct to schedule a uevent on link train failure */
328 struct work_struct modeset_retry_work
;
331 struct intel_digital_connector_state
{
332 struct drm_connector_state base
;
334 enum hdmi_force_audio force_audio
;
338 #define to_intel_digital_connector_state(x) container_of(x, struct intel_digital_connector_state, base)
352 struct intel_atomic_state
{
353 struct drm_atomic_state base
;
357 * Logical state of cdclk (used for all scaling, watermark,
358 * etc. calculations and checks). This is computed as if all
359 * enabled crtcs were active.
361 struct intel_cdclk_state logical
;
364 * Actual state of cdclk, can be different from the logical
365 * state only when all crtc's are DPMS off.
367 struct intel_cdclk_state actual
;
370 bool dpll_set
, modeset
;
373 * Does this transaction change the pipes that are active? This mask
374 * tracks which CRTC's have changed their active state at the end of
375 * the transaction (not counting the temporary disable during modesets).
376 * This mask should only be non-zero when intel_state->modeset is true,
377 * but the converse is not necessarily true; simply changing a mode may
378 * not flip the final active status of any CRTC's
380 unsigned int active_pipe_changes
;
382 unsigned int active_crtcs
;
383 /* minimum acceptable cdclk for each pipe */
384 int min_cdclk
[I915_MAX_PIPES
];
385 /* minimum acceptable voltage level for each pipe */
386 u8 min_voltage_level
[I915_MAX_PIPES
];
388 struct intel_shared_dpll_state shared_dpll
[I915_NUM_PLLS
];
391 * Current watermarks can't be trusted during hardware readout, so
392 * don't bother calculating intermediate watermarks.
394 bool skip_intermediate_wm
;
397 struct skl_wm_values wm_results
;
399 struct i915_sw_fence commit_ready
;
401 struct llist_node freed
;
404 struct intel_plane_state
{
405 struct drm_plane_state base
;
406 struct drm_rect clip
;
407 struct i915_vma
*vma
;
418 /* plane control register */
421 /* plane color control register */
426 * = -1 : not using a scaler
427 * >= 0 : using a scalers
429 * plane requiring a scaler:
430 * - During check_plane, its bit is set in
431 * crtc_state->scaler_state.scaler_users by calling helper function
432 * update_scaler_plane.
433 * - scaler_id indicates the scaler it got assigned.
435 * plane doesn't require a scaler:
436 * - this can happen when scaling is no more required or plane simply
438 * - During check_plane, corresponding bit is reset in
439 * crtc_state->scaler_state.scaler_users by calling helper function
440 * update_scaler_plane.
444 struct drm_intel_sprite_colorkey ckey
;
447 struct intel_initial_plane_config
{
448 struct intel_framebuffer
*fb
;
454 #define SKL_MIN_SRC_W 8
455 #define SKL_MAX_SRC_W 4096
456 #define SKL_MIN_SRC_H 8
457 #define SKL_MAX_SRC_H 4096
458 #define SKL_MIN_DST_W 8
459 #define SKL_MAX_DST_W 4096
460 #define SKL_MIN_DST_H 8
461 #define SKL_MAX_DST_H 4096
463 struct intel_scaler
{
468 struct intel_crtc_scaler_state
{
469 #define SKL_NUM_SCALERS 2
470 struct intel_scaler scalers
[SKL_NUM_SCALERS
];
473 * scaler_users: keeps track of users requesting scalers on this crtc.
475 * If a bit is set, a user is using a scaler.
476 * Here user can be a plane or crtc as defined below:
477 * bits 0-30 - plane (bit position is index from drm_plane_index)
480 * Instead of creating a new index to cover planes and crtc, using
481 * existing drm_plane_index for planes which is well less than 31
482 * planes and bit 31 for crtc. This should be fine to cover all
485 * intel_atomic_setup_scalers will setup available scalers to users
486 * requesting scalers. It will gracefully fail if request exceeds
489 #define SKL_CRTC_INDEX 31
490 unsigned scaler_users
;
492 /* scaler used by crtc for panel fitting purpose */
496 /* drm_mode->private_flags */
497 #define I915_MODE_FLAG_INHERITED 1
498 /* Flag to get scanline using frame time stamps */
499 #define I915_MODE_FLAG_GET_SCANLINE_FROM_TIMESTAMP (1<<1)
501 struct intel_pipe_wm
{
502 struct intel_wm_level wm
[5];
506 bool sprites_enabled
;
510 struct skl_plane_wm
{
511 struct skl_wm_level wm
[8];
512 struct skl_wm_level trans_wm
;
516 struct skl_plane_wm planes
[I915_MAX_PLANES
];
523 VLV_WM_LEVEL_DDR_DVFS
,
527 struct vlv_wm_state
{
528 struct g4x_pipe_wm wm
[NUM_VLV_WM_LEVELS
];
529 struct g4x_sr_wm sr
[NUM_VLV_WM_LEVELS
];
534 struct vlv_fifo_state
{
535 u16 plane
[I915_MAX_PLANES
];
545 struct g4x_wm_state
{
546 struct g4x_pipe_wm wm
;
548 struct g4x_sr_wm hpll
;
554 struct intel_crtc_wm_state
{
558 * Intermediate watermarks; these can be
559 * programmed immediately since they satisfy
560 * both the current configuration we're
561 * switching away from and the new
562 * configuration we're switching to.
564 struct intel_pipe_wm intermediate
;
567 * Optimal watermarks, programmed post-vblank
568 * when this state is committed.
570 struct intel_pipe_wm optimal
;
574 /* gen9+ only needs 1-step wm programming */
575 struct skl_pipe_wm optimal
;
576 struct skl_ddb_entry ddb
;
580 /* "raw" watermarks (not inverted) */
581 struct g4x_pipe_wm raw
[NUM_VLV_WM_LEVELS
];
582 /* intermediate watermarks (inverted) */
583 struct vlv_wm_state intermediate
;
584 /* optimal watermarks (inverted) */
585 struct vlv_wm_state optimal
;
586 /* display FIFO split */
587 struct vlv_fifo_state fifo_state
;
591 /* "raw" watermarks */
592 struct g4x_pipe_wm raw
[NUM_G4X_WM_LEVELS
];
593 /* intermediate watermarks */
594 struct g4x_wm_state intermediate
;
595 /* optimal watermarks */
596 struct g4x_wm_state optimal
;
601 * Platforms with two-step watermark programming will need to
602 * update watermark programming post-vblank to switch from the
603 * safe intermediate watermarks to the optimal final
606 bool need_postvbl_update
;
609 struct intel_crtc_state
{
610 struct drm_crtc_state base
;
613 * quirks - bitfield with hw state readout quirks
615 * For various reasons the hw state readout code might not be able to
616 * completely faithfully read out the current state. These cases are
617 * tracked with quirk flags so that fastboot and state checker can act
620 #define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */
621 unsigned long quirks
;
623 unsigned fb_bits
; /* framebuffers to flip */
624 bool update_pipe
; /* can a fast modeset be performed? */
626 bool update_wm_pre
, update_wm_post
; /* watermarks are updated */
627 bool fb_changed
; /* fb on any of the planes is changed */
628 bool fifo_changed
; /* FIFO split is changed */
630 /* Pipe source size (ie. panel fitter input size)
631 * All planes will be positioned inside this space,
632 * and get clipped at the edges. */
633 int pipe_src_w
, pipe_src_h
;
636 * Pipe pixel rate, adjusted for
637 * panel fitter/pipe scaler downscaling.
639 unsigned int pixel_rate
;
641 /* Whether to set up the PCH/FDI. Note that we never allow sharing
642 * between pch encoders and cpu encoders. */
643 bool has_pch_encoder
;
645 /* Are we sending infoframes on the attached port */
648 /* CPU Transcoder for the pipe. Currently this can only differ from the
649 * pipe on Haswell and later (where we have a special eDP transcoder)
650 * and Broxton (where we have special DSI transcoders). */
651 enum transcoder cpu_transcoder
;
654 * Use reduced/limited/broadcast rbg range, compressing from the full
655 * range fed into the crtcs.
657 bool limited_color_range
;
659 /* Bitmask of encoder types (enum intel_output_type)
660 * driven by the pipe.
662 unsigned int output_types
;
664 /* Whether we should send NULL infoframes. Required for audio. */
667 /* Audio enabled on this pipe. Only valid if either has_hdmi_sink or
668 * has_dp_encoder is set. */
672 * Enable dithering, used when the selected pipe bpp doesn't match the
678 * Dither gets enabled for 18bpp which causes CRC mismatch errors for
679 * compliance video pattern tests.
680 * Disable dither only if it is a compliance test request for
683 bool dither_force_disable
;
685 /* Controls for the clock computation, to override various stages. */
688 /* SDVO TV has a bunch of special case. To make multifunction encoders
689 * work correctly, we need to track this at runtime.*/
693 * crtc bandwidth limit, don't increase pipe bpp or clock if not really
694 * required. This is set in the 2nd loop of calling encoder's
695 * ->compute_config if the first pick doesn't work out.
699 /* Settings for the intel dpll used on pretty much everything but
703 /* Selected dpll when shared or NULL. */
704 struct intel_shared_dpll
*shared_dpll
;
706 /* Actual register state of the dpll, for shared dpll cross-checking. */
707 struct intel_dpll_hw_state dpll_hw_state
;
709 /* DSI PLL registers */
715 struct intel_link_m_n dp_m_n
;
717 /* m2_n2 for eDP downclock */
718 struct intel_link_m_n dp_m2_n2
;
725 * Frequence the dpll for the port should run at. Differs from the
726 * adjusted dotclock e.g. for DP or 12bpc hdmi mode. This is also
727 * already multiplied by pixel_multiplier.
731 /* Used by SDVO (and if we ever fix it, HDMI). */
732 unsigned pixel_multiplier
;
737 * Used by platforms having DP/HDMI PHY with programmable lane
738 * latency optimization.
740 uint8_t lane_lat_optim_mask
;
742 /* minimum acceptable voltage level */
743 u8 min_voltage_level
;
745 /* Panel fitter controls for gen2-gen4 + VLV */
749 u32 lvds_border_bits
;
752 /* Panel fitter placement and size for Ironlake+ */
760 /* FDI configuration, only valid if has_pch_encoder is set. */
762 struct intel_link_m_n fdi_m_n
;
765 bool ips_force_disable
;
773 struct intel_crtc_scaler_state scaler_state
;
775 /* w/a for waiting 2 vblanks during crtc enable */
776 enum pipe hsw_workaround_pipe
;
778 /* IVB sprite scaling w/a (WaCxSRDisabledForSpriteScaling:ivb) */
781 struct intel_crtc_wm_state wm
;
783 /* Gamma mode programmed on the pipe */
786 /* bitmask of visible planes (enum plane_id) */
789 /* HDMI scrambling status */
790 bool hdmi_scrambling
;
792 /* HDMI High TMDS char rate ratio */
793 bool hdmi_high_tmds_clock_ratio
;
795 /* output format is YCBCR 4:2:0 */
800 struct drm_crtc base
;
804 * Whether the crtc and the connected output pipeline is active. Implies
805 * that crtc->enabled is set, i.e. the current mode configuration has
806 * some outputs connected to this crtc.
810 unsigned long long enabled_power_domains
;
811 struct intel_overlay
*overlay
;
813 struct intel_crtc_state
*config
;
815 /* global reset count when the last flip was submitted */
816 unsigned int reset_count
;
818 /* Access to these should be protected by dev_priv->irq_lock. */
819 bool cpu_fifo_underrun_disabled
;
820 bool pch_fifo_underrun_disabled
;
822 /* per-pipe watermark state */
824 /* watermarks currently being used */
826 struct intel_pipe_wm ilk
;
827 struct vlv_wm_state vlv
;
828 struct g4x_wm_state g4x
;
835 unsigned start_vbl_count
;
836 ktime_t start_vbl_time
;
837 int min_vbl
, max_vbl
;
841 /* scalers available on this crtc */
846 struct drm_plane base
;
852 uint32_t frontbuffer_bit
;
855 u32 base
, cntl
, size
;
859 * NOTE: Do not place new plane state fields here (e.g., when adding
860 * new plane properties). New runtime state should now be placed in
861 * the intel_plane_state structure and accessed via plane_state.
864 void (*update_plane
)(struct intel_plane
*plane
,
865 const struct intel_crtc_state
*crtc_state
,
866 const struct intel_plane_state
*plane_state
);
867 void (*disable_plane
)(struct intel_plane
*plane
,
868 struct intel_crtc
*crtc
);
869 int (*check_plane
)(struct intel_plane
*plane
,
870 struct intel_crtc_state
*crtc_state
,
871 struct intel_plane_state
*state
);
874 struct intel_watermark_params
{
882 struct cxsr_latency
{
888 u16 display_hpll_disable
;
890 u16 cursor_hpll_disable
;
893 #define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, base)
894 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
895 #define to_intel_crtc_state(x) container_of(x, struct intel_crtc_state, base)
896 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
897 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
898 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
899 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
900 #define to_intel_plane_state(x) container_of(x, struct intel_plane_state, base)
901 #define intel_fb_obj(x) (x ? to_intel_framebuffer(x)->obj : NULL)
907 enum drm_dp_dual_mode_type type
;
912 bool rgb_quant_range_selectable
;
913 struct intel_connector
*attached_connector
;
916 struct intel_dp_mst_encoder
;
917 #define DP_MAX_DOWNSTREAM_PORTS 0x10
921 * When platform provides two set of M_N registers for dp, we can
922 * program them and switch between them incase of DRRS.
923 * But When only one such register is provided, we have to program the
924 * required divider value on that registers itself based on the DRRS state.
926 * M1_N1 : Program dp_m_n on M1_N1 registers
927 * dp_m2_n2 on M2_N2 registers (If supported)
929 * M2_N2 : Program dp_m2_n2 on M1_N1 registers
930 * M2_N2 registers are not supported
934 /* Sets the m1_n1 and m2_n2 */
939 struct intel_dp_compliance_data
{
941 uint8_t video_pattern
;
942 uint16_t hdisplay
, vdisplay
;
946 struct intel_dp_compliance
{
947 unsigned long test_type
;
948 struct intel_dp_compliance_data test_data
;
955 i915_reg_t output_reg
;
956 i915_reg_t aux_ch_ctl_reg
;
957 i915_reg_t aux_ch_data_reg
[5];
965 bool channel_eq_status
;
966 bool reset_link_params
;
967 uint8_t dpcd
[DP_RECEIVER_CAP_SIZE
];
968 uint8_t psr_dpcd
[EDP_PSR_RECEIVER_CAP_SIZE
];
969 uint8_t downstream_ports
[DP_MAX_DOWNSTREAM_PORTS
];
970 uint8_t edp_dpcd
[EDP_DISPLAY_CTL_CAP_SIZE
];
972 int num_source_rates
;
973 const int *source_rates
;
974 /* sink rates as reported by DP_MAX_LINK_RATE/DP_SUPPORTED_LINK_RATES */
976 int sink_rates
[DP_MAX_SUPPORTED_RATES
];
977 bool use_rate_select
;
978 /* intersection of source and sink rates */
979 int num_common_rates
;
980 int common_rates
[DP_MAX_SUPPORTED_RATES
];
981 /* Max lane count for the current link */
982 int max_link_lane_count
;
983 /* Max rate for the current link */
985 /* sink or branch descriptor */
986 struct drm_dp_desc desc
;
987 struct drm_dp_aux aux
;
988 enum intel_display_power_domain aux_power_domain
;
989 uint8_t train_set
[4];
990 int panel_power_up_delay
;
991 int panel_power_down_delay
;
992 int panel_power_cycle_delay
;
993 int backlight_on_delay
;
994 int backlight_off_delay
;
995 struct delayed_work panel_vdd_work
;
997 unsigned long last_power_on
;
998 unsigned long last_backlight_off
;
999 ktime_t panel_power_off_time
;
1001 struct notifier_block edp_notifier
;
1004 * Pipe whose power sequencer is currently locked into
1005 * this port. Only relevant on VLV/CHV.
1009 * Pipe currently driving the port. Used for preventing
1010 * the use of the PPS for any pipe currentrly driving
1011 * external DP as that will mess things up on VLV.
1013 enum pipe active_pipe
;
1015 * Set if the sequencer may be reset due to a power transition,
1016 * requiring a reinitialization. Only relevant on BXT.
1019 struct edp_power_seq pps_delays
;
1021 bool can_mst
; /* this port supports mst */
1023 int active_mst_links
;
1024 /* connector directly attached - won't be use for modeset in mst world */
1025 struct intel_connector
*attached_connector
;
1027 /* mst connector list */
1028 struct intel_dp_mst_encoder
*mst_encoders
[I915_MAX_PIPES
];
1029 struct drm_dp_mst_topology_mgr mst_mgr
;
1031 uint32_t (*get_aux_clock_divider
)(struct intel_dp
*dp
, int index
);
1033 * This function returns the value we have to program the AUX_CTL
1034 * register with to kick off an AUX transaction.
1036 uint32_t (*get_aux_send_ctl
)(struct intel_dp
*dp
,
1039 uint32_t aux_clock_divider
);
1041 /* This is called before a link training is starterd */
1042 void (*prepare_link_retrain
)(struct intel_dp
*intel_dp
);
1044 /* Displayport compliance testing */
1045 struct intel_dp_compliance compliance
;
1048 struct intel_lspcon
{
1050 enum drm_lspcon_mode mode
;
1053 struct intel_digital_port
{
1054 struct intel_encoder base
;
1055 u32 saved_port_bits
;
1057 struct intel_hdmi hdmi
;
1058 struct intel_lspcon lspcon
;
1059 enum irqreturn (*hpd_pulse
)(struct intel_digital_port
*, bool);
1060 bool release_cl2_override
;
1062 enum intel_display_power_domain ddi_io_power_domain
;
1064 void (*write_infoframe
)(struct drm_encoder
*encoder
,
1065 const struct intel_crtc_state
*crtc_state
,
1067 const void *frame
, ssize_t len
);
1068 void (*set_infoframes
)(struct drm_encoder
*encoder
,
1070 const struct intel_crtc_state
*crtc_state
,
1071 const struct drm_connector_state
*conn_state
);
1072 bool (*infoframe_enabled
)(struct drm_encoder
*encoder
,
1073 const struct intel_crtc_state
*pipe_config
);
1076 struct intel_dp_mst_encoder
{
1077 struct intel_encoder base
;
1079 struct intel_digital_port
*primary
;
1080 struct intel_connector
*connector
;
1083 static inline enum dpio_channel
1084 vlv_dport_to_channel(struct intel_digital_port
*dport
)
1086 switch (dport
->base
.port
) {
1097 static inline enum dpio_phy
1098 vlv_dport_to_phy(struct intel_digital_port
*dport
)
1100 switch (dport
->base
.port
) {
1111 static inline enum dpio_channel
1112 vlv_pipe_to_channel(enum pipe pipe
)
1125 static inline struct intel_crtc
*
1126 intel_get_crtc_for_pipe(struct drm_i915_private
*dev_priv
, enum pipe pipe
)
1128 return dev_priv
->pipe_to_crtc_mapping
[pipe
];
1131 static inline struct intel_crtc
*
1132 intel_get_crtc_for_plane(struct drm_i915_private
*dev_priv
, enum plane plane
)
1134 return dev_priv
->plane_to_crtc_mapping
[plane
];
1137 struct intel_load_detect_pipe
{
1138 struct drm_atomic_state
*restore_state
;
1141 static inline struct intel_encoder
*
1142 intel_attached_encoder(struct drm_connector
*connector
)
1144 return to_intel_connector(connector
)->encoder
;
1147 static inline struct intel_digital_port
*
1148 enc_to_dig_port(struct drm_encoder
*encoder
)
1150 struct intel_encoder
*intel_encoder
= to_intel_encoder(encoder
);
1152 switch (intel_encoder
->type
) {
1153 case INTEL_OUTPUT_DDI
:
1154 WARN_ON(!HAS_DDI(to_i915(encoder
->dev
)));
1155 case INTEL_OUTPUT_DP
:
1156 case INTEL_OUTPUT_EDP
:
1157 case INTEL_OUTPUT_HDMI
:
1158 return container_of(encoder
, struct intel_digital_port
,
1165 static inline struct intel_dp_mst_encoder
*
1166 enc_to_mst(struct drm_encoder
*encoder
)
1168 return container_of(encoder
, struct intel_dp_mst_encoder
, base
.base
);
1171 static inline struct intel_dp
*enc_to_intel_dp(struct drm_encoder
*encoder
)
1173 return &enc_to_dig_port(encoder
)->dp
;
1176 static inline struct intel_digital_port
*
1177 dp_to_dig_port(struct intel_dp
*intel_dp
)
1179 return container_of(intel_dp
, struct intel_digital_port
, dp
);
1182 static inline struct intel_lspcon
*
1183 dp_to_lspcon(struct intel_dp
*intel_dp
)
1185 return &dp_to_dig_port(intel_dp
)->lspcon
;
1188 static inline struct intel_digital_port
*
1189 hdmi_to_dig_port(struct intel_hdmi
*intel_hdmi
)
1191 return container_of(intel_hdmi
, struct intel_digital_port
, hdmi
);
1194 static inline struct intel_plane_state
*
1195 intel_atomic_get_new_plane_state(struct intel_atomic_state
*state
,
1196 struct intel_plane
*plane
)
1198 return to_intel_plane_state(drm_atomic_get_new_plane_state(&state
->base
,
1202 static inline struct intel_crtc_state
*
1203 intel_atomic_get_old_crtc_state(struct intel_atomic_state
*state
,
1204 struct intel_crtc
*crtc
)
1206 return to_intel_crtc_state(drm_atomic_get_old_crtc_state(&state
->base
,
1210 static inline struct intel_crtc_state
*
1211 intel_atomic_get_new_crtc_state(struct intel_atomic_state
*state
,
1212 struct intel_crtc
*crtc
)
1214 return to_intel_crtc_state(drm_atomic_get_new_crtc_state(&state
->base
,
1218 /* intel_fifo_underrun.c */
1219 bool intel_set_cpu_fifo_underrun_reporting(struct drm_i915_private
*dev_priv
,
1220 enum pipe pipe
, bool enable
);
1221 bool intel_set_pch_fifo_underrun_reporting(struct drm_i915_private
*dev_priv
,
1222 enum pipe pch_transcoder
,
1224 void intel_cpu_fifo_underrun_irq_handler(struct drm_i915_private
*dev_priv
,
1226 void intel_pch_fifo_underrun_irq_handler(struct drm_i915_private
*dev_priv
,
1227 enum pipe pch_transcoder
);
1228 void intel_check_cpu_fifo_underruns(struct drm_i915_private
*dev_priv
);
1229 void intel_check_pch_fifo_underruns(struct drm_i915_private
*dev_priv
);
1232 void gen5_enable_gt_irq(struct drm_i915_private
*dev_priv
, uint32_t mask
);
1233 void gen5_disable_gt_irq(struct drm_i915_private
*dev_priv
, uint32_t mask
);
1234 void gen6_mask_pm_irq(struct drm_i915_private
*dev_priv
, u32 mask
);
1235 void gen6_unmask_pm_irq(struct drm_i915_private
*dev_priv
, u32 mask
);
1236 void gen6_reset_rps_interrupts(struct drm_i915_private
*dev_priv
);
1237 void gen6_enable_rps_interrupts(struct drm_i915_private
*dev_priv
);
1238 void gen6_disable_rps_interrupts(struct drm_i915_private
*dev_priv
);
1240 static inline u32
gen6_sanitize_rps_pm_mask(const struct drm_i915_private
*i915
,
1243 return mask
& ~i915
->gt_pm
.rps
.pm_intrmsk_mbz
;
1246 void intel_runtime_pm_disable_interrupts(struct drm_i915_private
*dev_priv
);
1247 void intel_runtime_pm_enable_interrupts(struct drm_i915_private
*dev_priv
);
1248 static inline bool intel_irqs_enabled(struct drm_i915_private
*dev_priv
)
1251 * We only use drm_irq_uninstall() at unload and VT switch, so
1252 * this is the only thing we need to check.
1254 return dev_priv
->runtime_pm
.irqs_enabled
;
1257 int intel_get_crtc_scanline(struct intel_crtc
*crtc
);
1258 void gen8_irq_power_well_post_enable(struct drm_i915_private
*dev_priv
,
1260 void gen8_irq_power_well_pre_disable(struct drm_i915_private
*dev_priv
,
1262 void gen9_reset_guc_interrupts(struct drm_i915_private
*dev_priv
);
1263 void gen9_enable_guc_interrupts(struct drm_i915_private
*dev_priv
);
1264 void gen9_disable_guc_interrupts(struct drm_i915_private
*dev_priv
);
1267 void intel_crt_init(struct drm_i915_private
*dev_priv
);
1268 void intel_crt_reset(struct drm_encoder
*encoder
);
1271 void intel_ddi_fdi_post_disable(struct intel_encoder
*intel_encoder
,
1272 const struct intel_crtc_state
*old_crtc_state
,
1273 const struct drm_connector_state
*old_conn_state
);
1274 void hsw_fdi_link_train(struct intel_crtc
*crtc
,
1275 const struct intel_crtc_state
*crtc_state
);
1276 void intel_ddi_init(struct drm_i915_private
*dev_priv
, enum port port
);
1277 bool intel_ddi_get_hw_state(struct intel_encoder
*encoder
, enum pipe
*pipe
);
1278 void intel_ddi_enable_transcoder_func(const struct intel_crtc_state
*crtc_state
);
1279 void intel_ddi_disable_transcoder_func(struct drm_i915_private
*dev_priv
,
1280 enum transcoder cpu_transcoder
);
1281 void intel_ddi_enable_pipe_clock(const struct intel_crtc_state
*crtc_state
);
1282 void intel_ddi_disable_pipe_clock(const struct intel_crtc_state
*crtc_state
);
1283 struct intel_encoder
*
1284 intel_ddi_get_crtc_new_encoder(struct intel_crtc_state
*crtc_state
);
1285 void intel_ddi_set_pipe_settings(const struct intel_crtc_state
*crtc_state
);
1286 void intel_ddi_prepare_link_retrain(struct intel_dp
*intel_dp
);
1287 bool intel_ddi_connector_get_hw_state(struct intel_connector
*intel_connector
);
1288 bool intel_ddi_is_audio_enabled(struct drm_i915_private
*dev_priv
,
1289 struct intel_crtc
*intel_crtc
);
1290 void intel_ddi_get_config(struct intel_encoder
*encoder
,
1291 struct intel_crtc_state
*pipe_config
);
1293 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state
*crtc_state
,
1295 void intel_ddi_compute_min_voltage_level(struct drm_i915_private
*dev_priv
,
1296 struct intel_crtc_state
*crtc_state
);
1297 u32
bxt_signal_levels(struct intel_dp
*intel_dp
);
1298 uint32_t ddi_signal_levels(struct intel_dp
*intel_dp
);
1299 u8
intel_ddi_dp_voltage_max(struct intel_encoder
*encoder
);
1301 unsigned int intel_fb_align_height(const struct drm_framebuffer
*fb
,
1302 int plane
, unsigned int height
);
1305 void intel_init_audio_hooks(struct drm_i915_private
*dev_priv
);
1306 void intel_audio_codec_enable(struct intel_encoder
*encoder
,
1307 const struct intel_crtc_state
*crtc_state
,
1308 const struct drm_connector_state
*conn_state
);
1309 void intel_audio_codec_disable(struct intel_encoder
*encoder
,
1310 const struct intel_crtc_state
*old_crtc_state
,
1311 const struct drm_connector_state
*old_conn_state
);
1312 void i915_audio_component_init(struct drm_i915_private
*dev_priv
);
1313 void i915_audio_component_cleanup(struct drm_i915_private
*dev_priv
);
1314 void intel_audio_init(struct drm_i915_private
*dev_priv
);
1315 void intel_audio_deinit(struct drm_i915_private
*dev_priv
);
1318 int intel_crtc_compute_min_cdclk(const struct intel_crtc_state
*crtc_state
);
1319 void skl_init_cdclk(struct drm_i915_private
*dev_priv
);
1320 void skl_uninit_cdclk(struct drm_i915_private
*dev_priv
);
1321 void cnl_init_cdclk(struct drm_i915_private
*dev_priv
);
1322 void cnl_uninit_cdclk(struct drm_i915_private
*dev_priv
);
1323 void bxt_init_cdclk(struct drm_i915_private
*dev_priv
);
1324 void bxt_uninit_cdclk(struct drm_i915_private
*dev_priv
);
1325 void intel_init_cdclk_hooks(struct drm_i915_private
*dev_priv
);
1326 void intel_update_max_cdclk(struct drm_i915_private
*dev_priv
);
1327 void intel_update_cdclk(struct drm_i915_private
*dev_priv
);
1328 void intel_update_rawclk(struct drm_i915_private
*dev_priv
);
1329 bool intel_cdclk_needs_modeset(const struct intel_cdclk_state
*a
,
1330 const struct intel_cdclk_state
*b
);
1331 bool intel_cdclk_changed(const struct intel_cdclk_state
*a
,
1332 const struct intel_cdclk_state
*b
);
1333 void intel_set_cdclk(struct drm_i915_private
*dev_priv
,
1334 const struct intel_cdclk_state
*cdclk_state
);
1335 void intel_dump_cdclk_state(const struct intel_cdclk_state
*cdclk_state
,
1336 const char *context
);
1338 /* intel_display.c */
1339 void i830_enable_pipe(struct drm_i915_private
*dev_priv
, enum pipe pipe
);
1340 void i830_disable_pipe(struct drm_i915_private
*dev_priv
, enum pipe pipe
);
1341 enum pipe
intel_crtc_pch_transcoder(struct intel_crtc
*crtc
);
1342 void intel_update_rawclk(struct drm_i915_private
*dev_priv
);
1343 int vlv_get_hpll_vco(struct drm_i915_private
*dev_priv
);
1344 int vlv_get_cck_clock(struct drm_i915_private
*dev_priv
,
1345 const char *name
, u32 reg
, int ref_freq
);
1346 int vlv_get_cck_clock_hpll(struct drm_i915_private
*dev_priv
,
1347 const char *name
, u32 reg
);
1348 void lpt_disable_pch_transcoder(struct drm_i915_private
*dev_priv
);
1349 void lpt_disable_iclkip(struct drm_i915_private
*dev_priv
);
1350 void intel_init_display_hooks(struct drm_i915_private
*dev_priv
);
1351 unsigned int intel_fb_xy_to_linear(int x
, int y
,
1352 const struct intel_plane_state
*state
,
1354 void intel_add_fb_offsets(int *x
, int *y
,
1355 const struct intel_plane_state
*state
, int plane
);
1356 unsigned int intel_rotation_info_size(const struct intel_rotation_info
*rot_info
);
1357 bool intel_has_pending_fb_unpin(struct drm_i915_private
*dev_priv
);
1358 void intel_mark_busy(struct drm_i915_private
*dev_priv
);
1359 void intel_mark_idle(struct drm_i915_private
*dev_priv
);
1360 int intel_display_suspend(struct drm_device
*dev
);
1361 void intel_pps_unlock_regs_wa(struct drm_i915_private
*dev_priv
);
1362 void intel_encoder_destroy(struct drm_encoder
*encoder
);
1363 int intel_connector_init(struct intel_connector
*);
1364 struct intel_connector
*intel_connector_alloc(void);
1365 void intel_connector_free(struct intel_connector
*connector
);
1366 bool intel_connector_get_hw_state(struct intel_connector
*connector
);
1367 void intel_connector_attach_encoder(struct intel_connector
*connector
,
1368 struct intel_encoder
*encoder
);
1369 struct drm_display_mode
*
1370 intel_encoder_current_mode(struct intel_encoder
*encoder
);
1372 enum pipe
intel_get_pipe_from_connector(struct intel_connector
*connector
);
1373 int intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
1374 struct drm_file
*file_priv
);
1375 enum transcoder
intel_pipe_to_cpu_transcoder(struct drm_i915_private
*dev_priv
,
1378 intel_crtc_has_type(const struct intel_crtc_state
*crtc_state
,
1379 enum intel_output_type type
)
1381 return crtc_state
->output_types
& (1 << type
);
1384 intel_crtc_has_dp_encoder(const struct intel_crtc_state
*crtc_state
)
1386 return crtc_state
->output_types
&
1387 ((1 << INTEL_OUTPUT_DP
) |
1388 (1 << INTEL_OUTPUT_DP_MST
) |
1389 (1 << INTEL_OUTPUT_EDP
));
1392 intel_wait_for_vblank(struct drm_i915_private
*dev_priv
, enum pipe pipe
)
1394 drm_wait_one_vblank(&dev_priv
->drm
, pipe
);
1397 intel_wait_for_vblank_if_active(struct drm_i915_private
*dev_priv
, int pipe
)
1399 const struct intel_crtc
*crtc
= intel_get_crtc_for_pipe(dev_priv
, pipe
);
1402 intel_wait_for_vblank(dev_priv
, pipe
);
1405 u32
intel_crtc_get_vblank_counter(struct intel_crtc
*crtc
);
1407 int ironlake_get_lanes_required(int target_clock
, int link_bw
, int bpp
);
1408 void vlv_wait_port_ready(struct drm_i915_private
*dev_priv
,
1409 struct intel_digital_port
*dport
,
1410 unsigned int expected_mask
);
1411 int intel_get_load_detect_pipe(struct drm_connector
*connector
,
1412 const struct drm_display_mode
*mode
,
1413 struct intel_load_detect_pipe
*old
,
1414 struct drm_modeset_acquire_ctx
*ctx
);
1415 void intel_release_load_detect_pipe(struct drm_connector
*connector
,
1416 struct intel_load_detect_pipe
*old
,
1417 struct drm_modeset_acquire_ctx
*ctx
);
1419 intel_pin_and_fence_fb_obj(struct drm_framebuffer
*fb
, unsigned int rotation
);
1420 void intel_unpin_fb_vma(struct i915_vma
*vma
);
1421 struct drm_framebuffer
*
1422 intel_framebuffer_create(struct drm_i915_gem_object
*obj
,
1423 struct drm_mode_fb_cmd2
*mode_cmd
);
1424 int intel_prepare_plane_fb(struct drm_plane
*plane
,
1425 struct drm_plane_state
*new_state
);
1426 void intel_cleanup_plane_fb(struct drm_plane
*plane
,
1427 struct drm_plane_state
*old_state
);
1428 int intel_plane_atomic_get_property(struct drm_plane
*plane
,
1429 const struct drm_plane_state
*state
,
1430 struct drm_property
*property
,
1432 int intel_plane_atomic_set_property(struct drm_plane
*plane
,
1433 struct drm_plane_state
*state
,
1434 struct drm_property
*property
,
1436 int intel_plane_atomic_calc_changes(const struct intel_crtc_state
*old_crtc_state
,
1437 struct drm_crtc_state
*crtc_state
,
1438 const struct intel_plane_state
*old_plane_state
,
1439 struct drm_plane_state
*plane_state
);
1441 void assert_pch_transcoder_disabled(struct drm_i915_private
*dev_priv
,
1444 int vlv_force_pll_on(struct drm_i915_private
*dev_priv
, enum pipe pipe
,
1445 const struct dpll
*dpll
);
1446 void vlv_force_pll_off(struct drm_i915_private
*dev_priv
, enum pipe pipe
);
1447 int lpt_get_iclkip(struct drm_i915_private
*dev_priv
);
1449 /* modesetting asserts */
1450 void assert_panel_unlocked(struct drm_i915_private
*dev_priv
,
1452 void assert_pll(struct drm_i915_private
*dev_priv
,
1453 enum pipe pipe
, bool state
);
1454 #define assert_pll_enabled(d, p) assert_pll(d, p, true)
1455 #define assert_pll_disabled(d, p) assert_pll(d, p, false)
1456 void assert_dsi_pll(struct drm_i915_private
*dev_priv
, bool state
);
1457 #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true)
1458 #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false)
1459 void assert_fdi_rx_pll(struct drm_i915_private
*dev_priv
,
1460 enum pipe pipe
, bool state
);
1461 #define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
1462 #define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
1463 void assert_pipe(struct drm_i915_private
*dev_priv
, enum pipe pipe
, bool state
);
1464 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
1465 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
1466 u32
intel_compute_tile_offset(int *x
, int *y
,
1467 const struct intel_plane_state
*state
, int plane
);
1468 void intel_prepare_reset(struct drm_i915_private
*dev_priv
);
1469 void intel_finish_reset(struct drm_i915_private
*dev_priv
);
1470 void hsw_enable_pc8(struct drm_i915_private
*dev_priv
);
1471 void hsw_disable_pc8(struct drm_i915_private
*dev_priv
);
1472 void gen9_sanitize_dc_state(struct drm_i915_private
*dev_priv
);
1473 void bxt_enable_dc9(struct drm_i915_private
*dev_priv
);
1474 void bxt_disable_dc9(struct drm_i915_private
*dev_priv
);
1475 void gen9_enable_dc5(struct drm_i915_private
*dev_priv
);
1476 unsigned int skl_cdclk_get_vco(unsigned int freq
);
1477 void skl_enable_dc6(struct drm_i915_private
*dev_priv
);
1478 void skl_disable_dc6(struct drm_i915_private
*dev_priv
);
1479 void intel_dp_get_m_n(struct intel_crtc
*crtc
,
1480 struct intel_crtc_state
*pipe_config
);
1481 void intel_dp_set_m_n(struct intel_crtc
*crtc
, enum link_m_n_set m_n
);
1482 int intel_dotclock_calculate(int link_freq
, const struct intel_link_m_n
*m_n
);
1483 bool bxt_find_best_dpll(struct intel_crtc_state
*crtc_state
, int target_clock
,
1484 struct dpll
*best_clock
);
1485 int chv_calc_dpll_params(int refclk
, struct dpll
*pll_clock
);
1487 bool intel_crtc_active(struct intel_crtc
*crtc
);
1488 void hsw_enable_ips(const struct intel_crtc_state
*crtc_state
);
1489 void hsw_disable_ips(const struct intel_crtc_state
*crtc_state
);
1490 enum intel_display_power_domain
intel_port_to_power_domain(enum port port
);
1491 void intel_mode_from_pipe_config(struct drm_display_mode
*mode
,
1492 struct intel_crtc_state
*pipe_config
);
1494 int skl_update_scaler_crtc(struct intel_crtc_state
*crtc_state
);
1495 int skl_max_scale(struct intel_crtc
*crtc
, struct intel_crtc_state
*crtc_state
);
1497 static inline u32
intel_plane_ggtt_offset(const struct intel_plane_state
*state
)
1499 return i915_ggtt_offset(state
->vma
);
1502 u32
glk_plane_color_ctl(const struct intel_crtc_state
*crtc_state
,
1503 const struct intel_plane_state
*plane_state
);
1504 u32
skl_plane_ctl(const struct intel_crtc_state
*crtc_state
,
1505 const struct intel_plane_state
*plane_state
);
1506 u32
skl_plane_stride(const struct drm_framebuffer
*fb
, int plane
,
1507 unsigned int rotation
);
1508 int skl_check_plane_surface(struct intel_plane_state
*plane_state
);
1509 int i9xx_check_plane_surface(struct intel_plane_state
*plane_state
);
1512 void intel_csr_ucode_init(struct drm_i915_private
*);
1513 void intel_csr_load_program(struct drm_i915_private
*);
1514 void intel_csr_ucode_fini(struct drm_i915_private
*);
1515 void intel_csr_ucode_suspend(struct drm_i915_private
*);
1516 void intel_csr_ucode_resume(struct drm_i915_private
*);
1519 bool intel_dp_init(struct drm_i915_private
*dev_priv
, i915_reg_t output_reg
,
1521 bool intel_dp_init_connector(struct intel_digital_port
*intel_dig_port
,
1522 struct intel_connector
*intel_connector
);
1523 void intel_dp_set_link_params(struct intel_dp
*intel_dp
,
1524 int link_rate
, uint8_t lane_count
,
1526 int intel_dp_get_link_train_fallback_values(struct intel_dp
*intel_dp
,
1527 int link_rate
, uint8_t lane_count
);
1528 void intel_dp_start_link_train(struct intel_dp
*intel_dp
);
1529 void intel_dp_stop_link_train(struct intel_dp
*intel_dp
);
1530 void intel_dp_sink_dpms(struct intel_dp
*intel_dp
, int mode
);
1531 void intel_dp_encoder_reset(struct drm_encoder
*encoder
);
1532 void intel_dp_encoder_suspend(struct intel_encoder
*intel_encoder
);
1533 void intel_dp_encoder_destroy(struct drm_encoder
*encoder
);
1534 int intel_dp_sink_crc(struct intel_dp
*intel_dp
,
1535 struct intel_crtc_state
*crtc_state
, u8
*crc
);
1536 bool intel_dp_compute_config(struct intel_encoder
*encoder
,
1537 struct intel_crtc_state
*pipe_config
,
1538 struct drm_connector_state
*conn_state
);
1539 bool intel_dp_is_edp(struct intel_dp
*intel_dp
);
1540 bool intel_dp_is_port_edp(struct drm_i915_private
*dev_priv
, enum port port
);
1541 enum irqreturn
intel_dp_hpd_pulse(struct intel_digital_port
*intel_dig_port
,
1543 void intel_edp_backlight_on(const struct intel_crtc_state
*crtc_state
,
1544 const struct drm_connector_state
*conn_state
);
1545 void intel_edp_backlight_off(const struct drm_connector_state
*conn_state
);
1546 void intel_edp_panel_vdd_on(struct intel_dp
*intel_dp
);
1547 void intel_edp_panel_on(struct intel_dp
*intel_dp
);
1548 void intel_edp_panel_off(struct intel_dp
*intel_dp
);
1549 void intel_dp_mst_suspend(struct drm_device
*dev
);
1550 void intel_dp_mst_resume(struct drm_device
*dev
);
1551 int intel_dp_max_link_rate(struct intel_dp
*intel_dp
);
1552 int intel_dp_max_lane_count(struct intel_dp
*intel_dp
);
1553 int intel_dp_rate_select(struct intel_dp
*intel_dp
, int rate
);
1554 void intel_dp_hot_plug(struct intel_encoder
*intel_encoder
);
1555 void intel_power_sequencer_reset(struct drm_i915_private
*dev_priv
);
1556 uint32_t intel_dp_pack_aux(const uint8_t *src
, int src_bytes
);
1557 void intel_plane_destroy(struct drm_plane
*plane
);
1558 void intel_edp_drrs_enable(struct intel_dp
*intel_dp
,
1559 const struct intel_crtc_state
*crtc_state
);
1560 void intel_edp_drrs_disable(struct intel_dp
*intel_dp
,
1561 const struct intel_crtc_state
*crtc_state
);
1562 void intel_edp_drrs_invalidate(struct drm_i915_private
*dev_priv
,
1563 unsigned int frontbuffer_bits
);
1564 void intel_edp_drrs_flush(struct drm_i915_private
*dev_priv
,
1565 unsigned int frontbuffer_bits
);
1568 intel_dp_program_link_training_pattern(struct intel_dp
*intel_dp
,
1569 uint8_t dp_train_pat
);
1571 intel_dp_set_signal_levels(struct intel_dp
*intel_dp
);
1572 void intel_dp_set_idle_link_train(struct intel_dp
*intel_dp
);
1574 intel_dp_voltage_max(struct intel_dp
*intel_dp
);
1576 intel_dp_pre_emphasis_max(struct intel_dp
*intel_dp
, uint8_t voltage_swing
);
1577 void intel_dp_compute_rate(struct intel_dp
*intel_dp
, int port_clock
,
1578 uint8_t *link_bw
, uint8_t *rate_select
);
1579 bool intel_dp_source_supports_hbr2(struct intel_dp
*intel_dp
);
1581 intel_dp_get_link_status(struct intel_dp
*intel_dp
, uint8_t link_status
[DP_LINK_STATUS_SIZE
]);
1583 static inline unsigned int intel_dp_unused_lane_mask(int lane_count
)
1585 return ~((1 << lane_count
) - 1) & 0xf;
1588 bool intel_dp_read_dpcd(struct intel_dp
*intel_dp
);
1589 int intel_dp_link_required(int pixel_clock
, int bpp
);
1590 int intel_dp_max_data_rate(int max_link_clock
, int max_lanes
);
1591 bool intel_digital_port_connected(struct drm_i915_private
*dev_priv
,
1592 struct intel_digital_port
*port
);
1594 /* intel_dp_aux_backlight.c */
1595 int intel_dp_aux_init_backlight_funcs(struct intel_connector
*intel_connector
);
1597 /* intel_dp_mst.c */
1598 int intel_dp_mst_encoder_init(struct intel_digital_port
*intel_dig_port
, int conn_id
);
1599 void intel_dp_mst_encoder_cleanup(struct intel_digital_port
*intel_dig_port
);
1601 void intel_dsi_init(struct drm_i915_private
*dev_priv
);
1603 /* intel_dsi_dcs_backlight.c */
1604 int intel_dsi_dcs_init_backlight_funcs(struct intel_connector
*intel_connector
);
1607 void intel_dvo_init(struct drm_i915_private
*dev_priv
);
1608 /* intel_hotplug.c */
1609 void intel_hpd_poll_init(struct drm_i915_private
*dev_priv
);
1612 /* legacy fbdev emulation in intel_fbdev.c */
1613 #ifdef CONFIG_DRM_FBDEV_EMULATION
1614 extern int intel_fbdev_init(struct drm_device
*dev
);
1615 extern void intel_fbdev_initial_config_async(struct drm_device
*dev
);
1616 extern void intel_fbdev_unregister(struct drm_i915_private
*dev_priv
);
1617 extern void intel_fbdev_fini(struct drm_i915_private
*dev_priv
);
1618 extern void intel_fbdev_set_suspend(struct drm_device
*dev
, int state
, bool synchronous
);
1619 extern void intel_fbdev_output_poll_changed(struct drm_device
*dev
);
1620 extern void intel_fbdev_restore_mode(struct drm_device
*dev
);
1622 static inline int intel_fbdev_init(struct drm_device
*dev
)
1627 static inline void intel_fbdev_initial_config_async(struct drm_device
*dev
)
1631 static inline void intel_fbdev_unregister(struct drm_i915_private
*dev_priv
)
1635 static inline void intel_fbdev_fini(struct drm_i915_private
*dev_priv
)
1639 static inline void intel_fbdev_set_suspend(struct drm_device
*dev
, int state
, bool synchronous
)
1643 static inline void intel_fbdev_output_poll_changed(struct drm_device
*dev
)
1647 static inline void intel_fbdev_restore_mode(struct drm_device
*dev
)
1653 void intel_fbc_choose_crtc(struct drm_i915_private
*dev_priv
,
1654 struct drm_atomic_state
*state
);
1655 bool intel_fbc_is_active(struct drm_i915_private
*dev_priv
);
1656 void intel_fbc_pre_update(struct intel_crtc
*crtc
,
1657 struct intel_crtc_state
*crtc_state
,
1658 struct intel_plane_state
*plane_state
);
1659 void intel_fbc_post_update(struct intel_crtc
*crtc
);
1660 void intel_fbc_init(struct drm_i915_private
*dev_priv
);
1661 void intel_fbc_init_pipe_state(struct drm_i915_private
*dev_priv
);
1662 void intel_fbc_enable(struct intel_crtc
*crtc
,
1663 struct intel_crtc_state
*crtc_state
,
1664 struct intel_plane_state
*plane_state
);
1665 void intel_fbc_disable(struct intel_crtc
*crtc
);
1666 void intel_fbc_global_disable(struct drm_i915_private
*dev_priv
);
1667 void intel_fbc_invalidate(struct drm_i915_private
*dev_priv
,
1668 unsigned int frontbuffer_bits
,
1669 enum fb_op_origin origin
);
1670 void intel_fbc_flush(struct drm_i915_private
*dev_priv
,
1671 unsigned int frontbuffer_bits
, enum fb_op_origin origin
);
1672 void intel_fbc_cleanup_cfb(struct drm_i915_private
*dev_priv
);
1673 void intel_fbc_handle_fifo_underrun_irq(struct drm_i915_private
*dev_priv
);
1676 void intel_hdmi_init(struct drm_i915_private
*dev_priv
, i915_reg_t hdmi_reg
,
1678 void intel_hdmi_init_connector(struct intel_digital_port
*intel_dig_port
,
1679 struct intel_connector
*intel_connector
);
1680 struct intel_hdmi
*enc_to_intel_hdmi(struct drm_encoder
*encoder
);
1681 bool intel_hdmi_compute_config(struct intel_encoder
*encoder
,
1682 struct intel_crtc_state
*pipe_config
,
1683 struct drm_connector_state
*conn_state
);
1684 void intel_hdmi_handle_sink_scrambling(struct intel_encoder
*intel_encoder
,
1685 struct drm_connector
*connector
,
1686 bool high_tmds_clock_ratio
,
1688 void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi
*hdmi
, bool enable
);
1689 void intel_infoframe_init(struct intel_digital_port
*intel_dig_port
);
1693 void intel_lvds_init(struct drm_i915_private
*dev_priv
);
1694 struct intel_encoder
*intel_get_lvds_encoder(struct drm_device
*dev
);
1695 bool intel_is_dual_link_lvds(struct drm_device
*dev
);
1699 int intel_connector_update_modes(struct drm_connector
*connector
,
1701 int intel_ddc_get_modes(struct drm_connector
*c
, struct i2c_adapter
*adapter
);
1702 void intel_attach_force_audio_property(struct drm_connector
*connector
);
1703 void intel_attach_broadcast_rgb_property(struct drm_connector
*connector
);
1704 void intel_attach_aspect_ratio_property(struct drm_connector
*connector
);
1707 /* intel_overlay.c */
1708 void intel_setup_overlay(struct drm_i915_private
*dev_priv
);
1709 void intel_cleanup_overlay(struct drm_i915_private
*dev_priv
);
1710 int intel_overlay_switch_off(struct intel_overlay
*overlay
);
1711 int intel_overlay_put_image_ioctl(struct drm_device
*dev
, void *data
,
1712 struct drm_file
*file_priv
);
1713 int intel_overlay_attrs_ioctl(struct drm_device
*dev
, void *data
,
1714 struct drm_file
*file_priv
);
1715 void intel_overlay_reset(struct drm_i915_private
*dev_priv
);
1719 int intel_panel_init(struct intel_panel
*panel
,
1720 struct drm_display_mode
*fixed_mode
,
1721 struct drm_display_mode
*alt_fixed_mode
,
1722 struct drm_display_mode
*downclock_mode
);
1723 void intel_panel_fini(struct intel_panel
*panel
);
1724 void intel_fixed_panel_mode(const struct drm_display_mode
*fixed_mode
,
1725 struct drm_display_mode
*adjusted_mode
);
1726 void intel_pch_panel_fitting(struct intel_crtc
*crtc
,
1727 struct intel_crtc_state
*pipe_config
,
1729 void intel_gmch_panel_fitting(struct intel_crtc
*crtc
,
1730 struct intel_crtc_state
*pipe_config
,
1732 void intel_panel_set_backlight_acpi(const struct drm_connector_state
*conn_state
,
1733 u32 level
, u32 max
);
1734 int intel_panel_setup_backlight(struct drm_connector
*connector
,
1736 void intel_panel_enable_backlight(const struct intel_crtc_state
*crtc_state
,
1737 const struct drm_connector_state
*conn_state
);
1738 void intel_panel_disable_backlight(const struct drm_connector_state
*old_conn_state
);
1739 void intel_panel_destroy_backlight(struct drm_connector
*connector
);
1740 enum drm_connector_status
intel_panel_detect(struct drm_i915_private
*dev_priv
);
1741 extern struct drm_display_mode
*intel_find_panel_downclock(
1742 struct drm_i915_private
*dev_priv
,
1743 struct drm_display_mode
*fixed_mode
,
1744 struct drm_connector
*connector
);
1746 #if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)
1747 int intel_backlight_device_register(struct intel_connector
*connector
);
1748 void intel_backlight_device_unregister(struct intel_connector
*connector
);
1749 #else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
1750 static inline int intel_backlight_device_register(struct intel_connector
*connector
)
1754 static inline void intel_backlight_device_unregister(struct intel_connector
*connector
)
1757 #endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
1761 void intel_psr_enable(struct intel_dp
*intel_dp
,
1762 const struct intel_crtc_state
*crtc_state
);
1763 void intel_psr_disable(struct intel_dp
*intel_dp
,
1764 const struct intel_crtc_state
*old_crtc_state
);
1765 void intel_psr_invalidate(struct drm_i915_private
*dev_priv
,
1766 unsigned frontbuffer_bits
);
1767 void intel_psr_flush(struct drm_i915_private
*dev_priv
,
1768 unsigned frontbuffer_bits
,
1769 enum fb_op_origin origin
);
1770 void intel_psr_init(struct drm_i915_private
*dev_priv
);
1771 void intel_psr_single_frame_update(struct drm_i915_private
*dev_priv
,
1772 unsigned frontbuffer_bits
);
1773 void intel_psr_compute_config(struct intel_dp
*intel_dp
,
1774 struct intel_crtc_state
*crtc_state
);
1776 /* intel_runtime_pm.c */
1777 int intel_power_domains_init(struct drm_i915_private
*);
1778 void intel_power_domains_fini(struct drm_i915_private
*);
1779 void intel_power_domains_init_hw(struct drm_i915_private
*dev_priv
, bool resume
);
1780 void intel_power_domains_suspend(struct drm_i915_private
*dev_priv
);
1781 void intel_power_domains_verify_state(struct drm_i915_private
*dev_priv
);
1782 void bxt_display_core_init(struct drm_i915_private
*dev_priv
, bool resume
);
1783 void bxt_display_core_uninit(struct drm_i915_private
*dev_priv
);
1784 void intel_runtime_pm_enable(struct drm_i915_private
*dev_priv
);
1786 intel_display_power_domain_str(enum intel_display_power_domain domain
);
1788 bool intel_display_power_is_enabled(struct drm_i915_private
*dev_priv
,
1789 enum intel_display_power_domain domain
);
1790 bool __intel_display_power_is_enabled(struct drm_i915_private
*dev_priv
,
1791 enum intel_display_power_domain domain
);
1792 void intel_display_power_get(struct drm_i915_private
*dev_priv
,
1793 enum intel_display_power_domain domain
);
1794 bool intel_display_power_get_if_enabled(struct drm_i915_private
*dev_priv
,
1795 enum intel_display_power_domain domain
);
1796 void intel_display_power_put(struct drm_i915_private
*dev_priv
,
1797 enum intel_display_power_domain domain
);
1800 assert_rpm_device_not_suspended(struct drm_i915_private
*dev_priv
)
1802 WARN_ONCE(dev_priv
->runtime_pm
.suspended
,
1803 "Device suspended during HW access\n");
1807 assert_rpm_wakelock_held(struct drm_i915_private
*dev_priv
)
1809 assert_rpm_device_not_suspended(dev_priv
);
1810 WARN_ONCE(!atomic_read(&dev_priv
->runtime_pm
.wakeref_count
),
1811 "RPM wakelock ref not held during HW access");
1815 * disable_rpm_wakeref_asserts - disable the RPM assert checks
1816 * @dev_priv: i915 device instance
1818 * This function disable asserts that check if we hold an RPM wakelock
1819 * reference, while keeping the device-not-suspended checks still enabled.
1820 * It's meant to be used only in special circumstances where our rule about
1821 * the wakelock refcount wrt. the device power state doesn't hold. According
1822 * to this rule at any point where we access the HW or want to keep the HW in
1823 * an active state we must hold an RPM wakelock reference acquired via one of
1824 * the intel_runtime_pm_get() helpers. Currently there are a few special spots
1825 * where this rule doesn't hold: the IRQ and suspend/resume handlers, the
1826 * forcewake release timer, and the GPU RPS and hangcheck works. All other
1827 * users should avoid using this function.
1829 * Any calls to this function must have a symmetric call to
1830 * enable_rpm_wakeref_asserts().
1833 disable_rpm_wakeref_asserts(struct drm_i915_private
*dev_priv
)
1835 atomic_inc(&dev_priv
->runtime_pm
.wakeref_count
);
1839 * enable_rpm_wakeref_asserts - re-enable the RPM assert checks
1840 * @dev_priv: i915 device instance
1842 * This function re-enables the RPM assert checks after disabling them with
1843 * disable_rpm_wakeref_asserts. It's meant to be used only in special
1844 * circumstances otherwise its use should be avoided.
1846 * Any calls to this function must have a symmetric call to
1847 * disable_rpm_wakeref_asserts().
1850 enable_rpm_wakeref_asserts(struct drm_i915_private
*dev_priv
)
1852 atomic_dec(&dev_priv
->runtime_pm
.wakeref_count
);
1855 void intel_runtime_pm_get(struct drm_i915_private
*dev_priv
);
1856 bool intel_runtime_pm_get_if_in_use(struct drm_i915_private
*dev_priv
);
1857 void intel_runtime_pm_get_noresume(struct drm_i915_private
*dev_priv
);
1858 void intel_runtime_pm_put(struct drm_i915_private
*dev_priv
);
1860 void intel_display_set_init_power(struct drm_i915_private
*dev
, bool enable
);
1862 void chv_phy_powergate_lanes(struct intel_encoder
*encoder
,
1863 bool override
, unsigned int mask
);
1864 bool chv_phy_powergate_ch(struct drm_i915_private
*dev_priv
, enum dpio_phy phy
,
1865 enum dpio_channel ch
, bool override
);
1869 void intel_init_clock_gating(struct drm_i915_private
*dev_priv
);
1870 void intel_suspend_hw(struct drm_i915_private
*dev_priv
);
1871 int ilk_wm_max_level(const struct drm_i915_private
*dev_priv
);
1872 void intel_update_watermarks(struct intel_crtc
*crtc
);
1873 void intel_init_pm(struct drm_i915_private
*dev_priv
);
1874 void intel_init_clock_gating_hooks(struct drm_i915_private
*dev_priv
);
1875 void intel_pm_setup(struct drm_i915_private
*dev_priv
);
1876 void intel_gpu_ips_init(struct drm_i915_private
*dev_priv
);
1877 void intel_gpu_ips_teardown(void);
1878 void intel_init_gt_powersave(struct drm_i915_private
*dev_priv
);
1879 void intel_cleanup_gt_powersave(struct drm_i915_private
*dev_priv
);
1880 void intel_sanitize_gt_powersave(struct drm_i915_private
*dev_priv
);
1881 void intel_enable_gt_powersave(struct drm_i915_private
*dev_priv
);
1882 void intel_disable_gt_powersave(struct drm_i915_private
*dev_priv
);
1883 void intel_suspend_gt_powersave(struct drm_i915_private
*dev_priv
);
1884 void gen6_rps_busy(struct drm_i915_private
*dev_priv
);
1885 void gen6_rps_reset_ei(struct drm_i915_private
*dev_priv
);
1886 void gen6_rps_idle(struct drm_i915_private
*dev_priv
);
1887 void gen6_rps_boost(struct drm_i915_gem_request
*rq
,
1888 struct intel_rps_client
*rps
);
1889 void g4x_wm_get_hw_state(struct drm_device
*dev
);
1890 void vlv_wm_get_hw_state(struct drm_device
*dev
);
1891 void ilk_wm_get_hw_state(struct drm_device
*dev
);
1892 void skl_wm_get_hw_state(struct drm_device
*dev
);
1893 void skl_ddb_get_hw_state(struct drm_i915_private
*dev_priv
,
1894 struct skl_ddb_allocation
*ddb
/* out */);
1895 void skl_pipe_wm_get_hw_state(struct drm_crtc
*crtc
,
1896 struct skl_pipe_wm
*out
);
1897 void g4x_wm_sanitize(struct drm_i915_private
*dev_priv
);
1898 void vlv_wm_sanitize(struct drm_i915_private
*dev_priv
);
1899 bool intel_can_enable_sagv(struct drm_atomic_state
*state
);
1900 int intel_enable_sagv(struct drm_i915_private
*dev_priv
);
1901 int intel_disable_sagv(struct drm_i915_private
*dev_priv
);
1902 bool skl_wm_level_equals(const struct skl_wm_level
*l1
,
1903 const struct skl_wm_level
*l2
);
1904 bool skl_ddb_allocation_overlaps(struct drm_i915_private
*dev_priv
,
1905 const struct skl_ddb_entry
**entries
,
1906 const struct skl_ddb_entry
*ddb
,
1908 bool ilk_disable_lp_wm(struct drm_device
*dev
);
1909 int sanitize_rc6_option(struct drm_i915_private
*dev_priv
, int enable_rc6
);
1910 int skl_check_pipe_max_pixel_rate(struct intel_crtc
*intel_crtc
,
1911 struct intel_crtc_state
*cstate
);
1912 void intel_init_ipc(struct drm_i915_private
*dev_priv
);
1913 void intel_enable_ipc(struct drm_i915_private
*dev_priv
);
1914 static inline int intel_rc6_enabled(void)
1916 return i915_modparams
.enable_rc6
;
1920 bool intel_sdvo_init(struct drm_i915_private
*dev_priv
,
1921 i915_reg_t reg
, enum port port
);
1924 /* intel_sprite.c */
1925 int intel_usecs_to_scanlines(const struct drm_display_mode
*adjusted_mode
,
1927 struct intel_plane
*intel_sprite_plane_create(struct drm_i915_private
*dev_priv
,
1928 enum pipe pipe
, int plane
);
1929 int intel_sprite_set_colorkey(struct drm_device
*dev
, void *data
,
1930 struct drm_file
*file_priv
);
1931 void intel_pipe_update_start(const struct intel_crtc_state
*new_crtc_state
);
1932 void intel_pipe_update_end(struct intel_crtc_state
*new_crtc_state
);
1933 void skl_update_plane(struct intel_plane
*plane
,
1934 const struct intel_crtc_state
*crtc_state
,
1935 const struct intel_plane_state
*plane_state
);
1936 void skl_disable_plane(struct intel_plane
*plane
, struct intel_crtc
*crtc
);
1939 void intel_tv_init(struct drm_i915_private
*dev_priv
);
1941 /* intel_atomic.c */
1942 int intel_digital_connector_atomic_get_property(struct drm_connector
*connector
,
1943 const struct drm_connector_state
*state
,
1944 struct drm_property
*property
,
1946 int intel_digital_connector_atomic_set_property(struct drm_connector
*connector
,
1947 struct drm_connector_state
*state
,
1948 struct drm_property
*property
,
1950 int intel_digital_connector_atomic_check(struct drm_connector
*conn
,
1951 struct drm_connector_state
*new_state
);
1952 struct drm_connector_state
*
1953 intel_digital_connector_duplicate_state(struct drm_connector
*connector
);
1955 struct drm_crtc_state
*intel_crtc_duplicate_state(struct drm_crtc
*crtc
);
1956 void intel_crtc_destroy_state(struct drm_crtc
*crtc
,
1957 struct drm_crtc_state
*state
);
1958 struct drm_atomic_state
*intel_atomic_state_alloc(struct drm_device
*dev
);
1959 void intel_atomic_state_clear(struct drm_atomic_state
*);
1961 static inline struct intel_crtc_state
*
1962 intel_atomic_get_crtc_state(struct drm_atomic_state
*state
,
1963 struct intel_crtc
*crtc
)
1965 struct drm_crtc_state
*crtc_state
;
1966 crtc_state
= drm_atomic_get_crtc_state(state
, &crtc
->base
);
1967 if (IS_ERR(crtc_state
))
1968 return ERR_CAST(crtc_state
);
1970 return to_intel_crtc_state(crtc_state
);
1973 static inline struct intel_crtc_state
*
1974 intel_atomic_get_existing_crtc_state(struct drm_atomic_state
*state
,
1975 struct intel_crtc
*crtc
)
1977 struct drm_crtc_state
*crtc_state
;
1979 crtc_state
= drm_atomic_get_existing_crtc_state(state
, &crtc
->base
);
1982 return to_intel_crtc_state(crtc_state
);
1987 static inline struct intel_plane_state
*
1988 intel_atomic_get_existing_plane_state(struct drm_atomic_state
*state
,
1989 struct intel_plane
*plane
)
1991 struct drm_plane_state
*plane_state
;
1993 plane_state
= drm_atomic_get_existing_plane_state(state
, &plane
->base
);
1995 return to_intel_plane_state(plane_state
);
1998 int intel_atomic_setup_scalers(struct drm_i915_private
*dev_priv
,
1999 struct intel_crtc
*intel_crtc
,
2000 struct intel_crtc_state
*crtc_state
);
2002 /* intel_atomic_plane.c */
2003 struct intel_plane_state
*intel_create_plane_state(struct drm_plane
*plane
);
2004 struct drm_plane_state
*intel_plane_duplicate_state(struct drm_plane
*plane
);
2005 void intel_plane_destroy_state(struct drm_plane
*plane
,
2006 struct drm_plane_state
*state
);
2007 extern const struct drm_plane_helper_funcs intel_plane_helper_funcs
;
2008 int intel_plane_atomic_check_with_state(const struct intel_crtc_state
*old_crtc_state
,
2009 struct intel_crtc_state
*crtc_state
,
2010 const struct intel_plane_state
*old_plane_state
,
2011 struct intel_plane_state
*intel_state
);
2014 void intel_color_init(struct drm_crtc
*crtc
);
2015 int intel_color_check(struct drm_crtc
*crtc
, struct drm_crtc_state
*state
);
2016 void intel_color_set_csc(struct drm_crtc_state
*crtc_state
);
2017 void intel_color_load_luts(struct drm_crtc_state
*crtc_state
);
2019 /* intel_lspcon.c */
2020 bool lspcon_init(struct intel_digital_port
*intel_dig_port
);
2021 void lspcon_resume(struct intel_lspcon
*lspcon
);
2022 void lspcon_wait_pcon_mode(struct intel_lspcon
*lspcon
);
2024 /* intel_pipe_crc.c */
2025 int intel_pipe_crc_create(struct drm_minor
*minor
);
2026 #ifdef CONFIG_DEBUG_FS
2027 int intel_crtc_set_crc_source(struct drm_crtc
*crtc
, const char *source_name
,
2028 size_t *values_cnt
);
2030 #define intel_crtc_set_crc_source NULL
2032 extern const struct file_operations i915_display_crc_ctl_fops
;
2033 #endif /* __INTEL_DRV_H__ */