2 * Copyright © 2006 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Eric Anholt <eric@anholt.net>
28 #include <drm/drm_dp_helper.h>
30 #include <drm/i915_drm.h>
32 #include "intel_bios.h"
34 #define SLAVE_ADDR1 0x70
35 #define SLAVE_ADDR2 0x72
37 static int panel_type
;
40 find_section(const void *_bdb
, int section_id
)
42 const struct bdb_header
*bdb
= _bdb
;
43 const u8
*base
= _bdb
;
45 u32 total
, current_size
;
48 /* skip to first section */
49 index
+= bdb
->header_size
;
50 total
= bdb
->bdb_size
;
52 /* walk the sections looking for section_id */
53 while (index
+ 3 < total
) {
54 current_id
= *(base
+ index
);
57 current_size
= *((const u16
*)(base
+ index
));
60 /* The MIPI Sequence Block v3+ has a separate size field. */
61 if (current_id
== BDB_MIPI_SEQUENCE
&& *(base
+ index
) >= 3)
62 current_size
= *((const u32
*)(base
+ index
+ 1));
64 if (index
+ current_size
> total
)
67 if (current_id
== section_id
)
70 index
+= current_size
;
77 get_blocksize(const void *p
)
79 u16
*block_ptr
, block_size
;
81 block_ptr
= (u16
*)((char *)p
- 2);
82 block_size
= *block_ptr
;
87 fill_detail_timing_data(struct drm_display_mode
*panel_fixed_mode
,
88 const struct lvds_dvo_timing
*dvo_timing
)
90 panel_fixed_mode
->hdisplay
= (dvo_timing
->hactive_hi
<< 8) |
91 dvo_timing
->hactive_lo
;
92 panel_fixed_mode
->hsync_start
= panel_fixed_mode
->hdisplay
+
93 ((dvo_timing
->hsync_off_hi
<< 8) | dvo_timing
->hsync_off_lo
);
94 panel_fixed_mode
->hsync_end
= panel_fixed_mode
->hsync_start
+
95 dvo_timing
->hsync_pulse_width
;
96 panel_fixed_mode
->htotal
= panel_fixed_mode
->hdisplay
+
97 ((dvo_timing
->hblank_hi
<< 8) | dvo_timing
->hblank_lo
);
99 panel_fixed_mode
->vdisplay
= (dvo_timing
->vactive_hi
<< 8) |
100 dvo_timing
->vactive_lo
;
101 panel_fixed_mode
->vsync_start
= panel_fixed_mode
->vdisplay
+
102 dvo_timing
->vsync_off
;
103 panel_fixed_mode
->vsync_end
= panel_fixed_mode
->vsync_start
+
104 dvo_timing
->vsync_pulse_width
;
105 panel_fixed_mode
->vtotal
= panel_fixed_mode
->vdisplay
+
106 ((dvo_timing
->vblank_hi
<< 8) | dvo_timing
->vblank_lo
);
107 panel_fixed_mode
->clock
= dvo_timing
->clock
* 10;
108 panel_fixed_mode
->type
= DRM_MODE_TYPE_PREFERRED
;
110 if (dvo_timing
->hsync_positive
)
111 panel_fixed_mode
->flags
|= DRM_MODE_FLAG_PHSYNC
;
113 panel_fixed_mode
->flags
|= DRM_MODE_FLAG_NHSYNC
;
115 if (dvo_timing
->vsync_positive
)
116 panel_fixed_mode
->flags
|= DRM_MODE_FLAG_PVSYNC
;
118 panel_fixed_mode
->flags
|= DRM_MODE_FLAG_NVSYNC
;
120 /* Some VBTs have bogus h/vtotal values */
121 if (panel_fixed_mode
->hsync_end
> panel_fixed_mode
->htotal
)
122 panel_fixed_mode
->htotal
= panel_fixed_mode
->hsync_end
+ 1;
123 if (panel_fixed_mode
->vsync_end
> panel_fixed_mode
->vtotal
)
124 panel_fixed_mode
->vtotal
= panel_fixed_mode
->vsync_end
+ 1;
126 drm_mode_set_name(panel_fixed_mode
);
129 static const struct lvds_dvo_timing
*
130 get_lvds_dvo_timing(const struct bdb_lvds_lfp_data
*lvds_lfp_data
,
131 const struct bdb_lvds_lfp_data_ptrs
*lvds_lfp_data_ptrs
,
135 * the size of fp_timing varies on the different platform.
136 * So calculate the DVO timing relative offset in LVDS data
137 * entry to get the DVO timing entry
141 lvds_lfp_data_ptrs
->ptr
[1].dvo_timing_offset
-
142 lvds_lfp_data_ptrs
->ptr
[0].dvo_timing_offset
;
143 int dvo_timing_offset
=
144 lvds_lfp_data_ptrs
->ptr
[0].dvo_timing_offset
-
145 lvds_lfp_data_ptrs
->ptr
[0].fp_timing_offset
;
146 char *entry
= (char *)lvds_lfp_data
->data
+ lfp_data_size
* index
;
148 return (struct lvds_dvo_timing
*)(entry
+ dvo_timing_offset
);
151 /* get lvds_fp_timing entry
152 * this function may return NULL if the corresponding entry is invalid
154 static const struct lvds_fp_timing
*
155 get_lvds_fp_timing(const struct bdb_header
*bdb
,
156 const struct bdb_lvds_lfp_data
*data
,
157 const struct bdb_lvds_lfp_data_ptrs
*ptrs
,
160 size_t data_ofs
= (const u8
*)data
- (const u8
*)bdb
;
161 u16 data_size
= ((const u16
*)data
)[-1]; /* stored in header */
164 if (index
>= ARRAY_SIZE(ptrs
->ptr
))
166 ofs
= ptrs
->ptr
[index
].fp_timing_offset
;
167 if (ofs
< data_ofs
||
168 ofs
+ sizeof(struct lvds_fp_timing
) > data_ofs
+ data_size
)
170 return (const struct lvds_fp_timing
*)((const u8
*)bdb
+ ofs
);
173 /* Try to find integrated panel data */
175 parse_lfp_panel_data(struct drm_i915_private
*dev_priv
,
176 const struct bdb_header
*bdb
)
178 const struct bdb_lvds_options
*lvds_options
;
179 const struct bdb_lvds_lfp_data
*lvds_lfp_data
;
180 const struct bdb_lvds_lfp_data_ptrs
*lvds_lfp_data_ptrs
;
181 const struct lvds_dvo_timing
*panel_dvo_timing
;
182 const struct lvds_fp_timing
*fp_timing
;
183 struct drm_display_mode
*panel_fixed_mode
;
186 lvds_options
= find_section(bdb
, BDB_LVDS_OPTIONS
);
190 dev_priv
->vbt
.lvds_dither
= lvds_options
->pixel_dither
;
191 if (lvds_options
->panel_type
== 0xff)
194 panel_type
= lvds_options
->panel_type
;
196 drrs_mode
= (lvds_options
->dps_panel_type_bits
197 >> (panel_type
* 2)) & MODE_MASK
;
199 * VBT has static DRRS = 0 and seamless DRRS = 2.
200 * The below piece of code is required to adjust vbt.drrs_type
201 * to match the enum drrs_support_type.
205 dev_priv
->vbt
.drrs_type
= STATIC_DRRS_SUPPORT
;
206 DRM_DEBUG_KMS("DRRS supported mode is static\n");
209 dev_priv
->vbt
.drrs_type
= SEAMLESS_DRRS_SUPPORT
;
210 DRM_DEBUG_KMS("DRRS supported mode is seamless\n");
213 dev_priv
->vbt
.drrs_type
= DRRS_NOT_SUPPORTED
;
214 DRM_DEBUG_KMS("DRRS not supported (VBT input)\n");
218 lvds_lfp_data
= find_section(bdb
, BDB_LVDS_LFP_DATA
);
222 lvds_lfp_data_ptrs
= find_section(bdb
, BDB_LVDS_LFP_DATA_PTRS
);
223 if (!lvds_lfp_data_ptrs
)
226 dev_priv
->vbt
.lvds_vbt
= 1;
228 panel_dvo_timing
= get_lvds_dvo_timing(lvds_lfp_data
,
230 lvds_options
->panel_type
);
232 panel_fixed_mode
= kzalloc(sizeof(*panel_fixed_mode
), GFP_KERNEL
);
233 if (!panel_fixed_mode
)
236 fill_detail_timing_data(panel_fixed_mode
, panel_dvo_timing
);
238 dev_priv
->vbt
.lfp_lvds_vbt_mode
= panel_fixed_mode
;
240 DRM_DEBUG_KMS("Found panel mode in BIOS VBT tables:\n");
241 drm_mode_debug_printmodeline(panel_fixed_mode
);
243 fp_timing
= get_lvds_fp_timing(bdb
, lvds_lfp_data
,
245 lvds_options
->panel_type
);
247 /* check the resolution, just to be sure */
248 if (fp_timing
->x_res
== panel_fixed_mode
->hdisplay
&&
249 fp_timing
->y_res
== panel_fixed_mode
->vdisplay
) {
250 dev_priv
->vbt
.bios_lvds_val
= fp_timing
->lvds_reg_val
;
251 DRM_DEBUG_KMS("VBT initial LVDS value %x\n",
252 dev_priv
->vbt
.bios_lvds_val
);
258 parse_lfp_backlight(struct drm_i915_private
*dev_priv
,
259 const struct bdb_header
*bdb
)
261 const struct bdb_lfp_backlight_data
*backlight_data
;
262 const struct bdb_lfp_backlight_data_entry
*entry
;
264 backlight_data
= find_section(bdb
, BDB_LVDS_BACKLIGHT
);
268 if (backlight_data
->entry_size
!= sizeof(backlight_data
->data
[0])) {
269 DRM_DEBUG_KMS("Unsupported backlight data entry size %u\n",
270 backlight_data
->entry_size
);
274 entry
= &backlight_data
->data
[panel_type
];
276 dev_priv
->vbt
.backlight
.present
= entry
->type
== BDB_BACKLIGHT_TYPE_PWM
;
277 if (!dev_priv
->vbt
.backlight
.present
) {
278 DRM_DEBUG_KMS("PWM backlight not present in VBT (type %u)\n",
283 dev_priv
->vbt
.backlight
.pwm_freq_hz
= entry
->pwm_freq_hz
;
284 dev_priv
->vbt
.backlight
.active_low_pwm
= entry
->active_low_pwm
;
285 dev_priv
->vbt
.backlight
.min_brightness
= entry
->min_brightness
;
286 DRM_DEBUG_KMS("VBT backlight PWM modulation frequency %u Hz, "
287 "active %s, min brightness %u, level %u\n",
288 dev_priv
->vbt
.backlight
.pwm_freq_hz
,
289 dev_priv
->vbt
.backlight
.active_low_pwm
? "low" : "high",
290 dev_priv
->vbt
.backlight
.min_brightness
,
291 backlight_data
->level
[panel_type
]);
294 /* Try to find sdvo panel data */
296 parse_sdvo_panel_data(struct drm_i915_private
*dev_priv
,
297 const struct bdb_header
*bdb
)
299 const struct lvds_dvo_timing
*dvo_timing
;
300 struct drm_display_mode
*panel_fixed_mode
;
303 index
= i915
.vbt_sdvo_panel_type
;
305 DRM_DEBUG_KMS("Ignore SDVO panel mode from BIOS VBT tables.\n");
310 const struct bdb_sdvo_lvds_options
*sdvo_lvds_options
;
312 sdvo_lvds_options
= find_section(bdb
, BDB_SDVO_LVDS_OPTIONS
);
313 if (!sdvo_lvds_options
)
316 index
= sdvo_lvds_options
->panel_type
;
319 dvo_timing
= find_section(bdb
, BDB_SDVO_PANEL_DTDS
);
323 panel_fixed_mode
= kzalloc(sizeof(*panel_fixed_mode
), GFP_KERNEL
);
324 if (!panel_fixed_mode
)
327 fill_detail_timing_data(panel_fixed_mode
, dvo_timing
+ index
);
329 dev_priv
->vbt
.sdvo_lvds_vbt_mode
= panel_fixed_mode
;
331 DRM_DEBUG_KMS("Found SDVO panel mode in BIOS VBT tables:\n");
332 drm_mode_debug_printmodeline(panel_fixed_mode
);
335 static int intel_bios_ssc_frequency(struct drm_i915_private
*dev_priv
,
338 switch (INTEL_INFO(dev_priv
)->gen
) {
340 return alternate
? 66667 : 48000;
343 return alternate
? 100000 : 96000;
345 return alternate
? 100000 : 120000;
350 parse_general_features(struct drm_i915_private
*dev_priv
,
351 const struct bdb_header
*bdb
)
353 const struct bdb_general_features
*general
;
355 general
= find_section(bdb
, BDB_GENERAL_FEATURES
);
359 dev_priv
->vbt
.int_tv_support
= general
->int_tv_support
;
360 /* int_crt_support can't be trusted on earlier platforms */
361 if (bdb
->version
>= 155 &&
362 (HAS_DDI(dev_priv
) || IS_VALLEYVIEW(dev_priv
)))
363 dev_priv
->vbt
.int_crt_support
= general
->int_crt_support
;
364 dev_priv
->vbt
.lvds_use_ssc
= general
->enable_ssc
;
365 dev_priv
->vbt
.lvds_ssc_freq
=
366 intel_bios_ssc_frequency(dev_priv
, general
->ssc_freq
);
367 dev_priv
->vbt
.display_clock_mode
= general
->display_clock_mode
;
368 dev_priv
->vbt
.fdi_rx_polarity_inverted
= general
->fdi_rx_polarity_inverted
;
369 DRM_DEBUG_KMS("BDB_GENERAL_FEATURES int_tv_support %d int_crt_support %d lvds_use_ssc %d lvds_ssc_freq %d display_clock_mode %d fdi_rx_polarity_inverted %d\n",
370 dev_priv
->vbt
.int_tv_support
,
371 dev_priv
->vbt
.int_crt_support
,
372 dev_priv
->vbt
.lvds_use_ssc
,
373 dev_priv
->vbt
.lvds_ssc_freq
,
374 dev_priv
->vbt
.display_clock_mode
,
375 dev_priv
->vbt
.fdi_rx_polarity_inverted
);
379 parse_general_definitions(struct drm_i915_private
*dev_priv
,
380 const struct bdb_header
*bdb
)
382 const struct bdb_general_definitions
*general
;
384 general
= find_section(bdb
, BDB_GENERAL_DEFINITIONS
);
386 u16 block_size
= get_blocksize(general
);
387 if (block_size
>= sizeof(*general
)) {
388 int bus_pin
= general
->crt_ddc_gmbus_pin
;
389 DRM_DEBUG_KMS("crt_ddc_bus_pin: %d\n", bus_pin
);
390 if (intel_gmbus_is_valid_pin(dev_priv
, bus_pin
))
391 dev_priv
->vbt
.crt_ddc_pin
= bus_pin
;
393 DRM_DEBUG_KMS("BDB_GD too small (%d). Invalid.\n",
399 static const union child_device_config
*
400 child_device_ptr(const struct bdb_general_definitions
*p_defs
, int i
)
402 return (const void *) &p_defs
->devices
[i
* p_defs
->child_dev_size
];
406 parse_sdvo_device_mapping(struct drm_i915_private
*dev_priv
,
407 const struct bdb_header
*bdb
)
409 struct sdvo_device_mapping
*p_mapping
;
410 const struct bdb_general_definitions
*p_defs
;
411 const struct old_child_dev_config
*child
; /* legacy */
412 int i
, child_device_num
, count
;
415 p_defs
= find_section(bdb
, BDB_GENERAL_DEFINITIONS
);
417 DRM_DEBUG_KMS("No general definition block is found, unable to construct sdvo mapping.\n");
422 * Only parse SDVO mappings when the general definitions block child
423 * device size matches that of the *legacy* child device config
424 * struct. Thus, SDVO mapping will be skipped for newer VBT.
426 if (p_defs
->child_dev_size
!= sizeof(*child
)) {
427 DRM_DEBUG_KMS("Unsupported child device size for SDVO mapping.\n");
430 /* get the block size of general definitions */
431 block_size
= get_blocksize(p_defs
);
432 /* get the number of child device */
433 child_device_num
= (block_size
- sizeof(*p_defs
)) /
434 p_defs
->child_dev_size
;
436 for (i
= 0; i
< child_device_num
; i
++) {
437 child
= &child_device_ptr(p_defs
, i
)->old
;
438 if (!child
->device_type
) {
439 /* skip the device block if device type is invalid */
442 if (child
->slave_addr
!= SLAVE_ADDR1
&&
443 child
->slave_addr
!= SLAVE_ADDR2
) {
445 * If the slave address is neither 0x70 nor 0x72,
446 * it is not a SDVO device. Skip it.
450 if (child
->dvo_port
!= DEVICE_PORT_DVOB
&&
451 child
->dvo_port
!= DEVICE_PORT_DVOC
) {
452 /* skip the incorrect SDVO port */
453 DRM_DEBUG_KMS("Incorrect SDVO port. Skip it\n");
456 DRM_DEBUG_KMS("the SDVO device with slave addr %2x is found on"
459 (child
->dvo_port
== DEVICE_PORT_DVOB
) ?
461 p_mapping
= &(dev_priv
->sdvo_mappings
[child
->dvo_port
- 1]);
462 if (!p_mapping
->initialized
) {
463 p_mapping
->dvo_port
= child
->dvo_port
;
464 p_mapping
->slave_addr
= child
->slave_addr
;
465 p_mapping
->dvo_wiring
= child
->dvo_wiring
;
466 p_mapping
->ddc_pin
= child
->ddc_pin
;
467 p_mapping
->i2c_pin
= child
->i2c_pin
;
468 p_mapping
->initialized
= 1;
469 DRM_DEBUG_KMS("SDVO device: dvo=%x, addr=%x, wiring=%d, ddc_pin=%d, i2c_pin=%d\n",
471 p_mapping
->slave_addr
,
472 p_mapping
->dvo_wiring
,
476 DRM_DEBUG_KMS("Maybe one SDVO port is shared by "
477 "two SDVO device.\n");
479 if (child
->slave2_addr
) {
480 /* Maybe this is a SDVO device with multiple inputs */
481 /* And the mapping info is not added */
482 DRM_DEBUG_KMS("there exists the slave2_addr. Maybe this"
483 " is a SDVO device with multiple inputs.\n");
489 /* No SDVO device info is found */
490 DRM_DEBUG_KMS("No SDVO device info is found in VBT\n");
496 parse_driver_features(struct drm_i915_private
*dev_priv
,
497 const struct bdb_header
*bdb
)
499 const struct bdb_driver_features
*driver
;
501 driver
= find_section(bdb
, BDB_DRIVER_FEATURES
);
505 if (driver
->lvds_config
== BDB_DRIVER_FEATURE_EDP
)
506 dev_priv
->vbt
.edp_support
= 1;
508 if (driver
->dual_frequency
)
509 dev_priv
->render_reclock_avail
= true;
511 DRM_DEBUG_KMS("DRRS State Enabled:%d\n", driver
->drrs_enabled
);
513 * If DRRS is not supported, drrs_type has to be set to 0.
514 * This is because, VBT is configured in such a way that
515 * static DRRS is 0 and DRRS not supported is represented by
516 * driver->drrs_enabled=false
518 if (!driver
->drrs_enabled
)
519 dev_priv
->vbt
.drrs_type
= DRRS_NOT_SUPPORTED
;
523 parse_edp(struct drm_i915_private
*dev_priv
, const struct bdb_header
*bdb
)
525 const struct bdb_edp
*edp
;
526 const struct edp_power_seq
*edp_pps
;
527 const struct edp_link_params
*edp_link_params
;
529 edp
= find_section(bdb
, BDB_EDP
);
531 if (dev_priv
->vbt
.edp_support
)
532 DRM_DEBUG_KMS("No eDP BDB found but eDP panel supported.\n");
536 switch ((edp
->color_depth
>> (panel_type
* 2)) & 3) {
538 dev_priv
->vbt
.edp_bpp
= 18;
541 dev_priv
->vbt
.edp_bpp
= 24;
544 dev_priv
->vbt
.edp_bpp
= 30;
548 /* Get the eDP sequencing and link info */
549 edp_pps
= &edp
->power_seqs
[panel_type
];
550 edp_link_params
= &edp
->link_params
[panel_type
];
552 dev_priv
->vbt
.edp_pps
= *edp_pps
;
554 switch (edp_link_params
->rate
) {
556 dev_priv
->vbt
.edp_rate
= DP_LINK_BW_1_62
;
559 dev_priv
->vbt
.edp_rate
= DP_LINK_BW_2_7
;
562 DRM_DEBUG_KMS("VBT has unknown eDP link rate value %u\n",
563 edp_link_params
->rate
);
567 switch (edp_link_params
->lanes
) {
569 dev_priv
->vbt
.edp_lanes
= 1;
572 dev_priv
->vbt
.edp_lanes
= 2;
575 dev_priv
->vbt
.edp_lanes
= 4;
578 DRM_DEBUG_KMS("VBT has unknown eDP lane count value %u\n",
579 edp_link_params
->lanes
);
583 switch (edp_link_params
->preemphasis
) {
584 case EDP_PREEMPHASIS_NONE
:
585 dev_priv
->vbt
.edp_preemphasis
= DP_TRAIN_PRE_EMPH_LEVEL_0
;
587 case EDP_PREEMPHASIS_3_5dB
:
588 dev_priv
->vbt
.edp_preemphasis
= DP_TRAIN_PRE_EMPH_LEVEL_1
;
590 case EDP_PREEMPHASIS_6dB
:
591 dev_priv
->vbt
.edp_preemphasis
= DP_TRAIN_PRE_EMPH_LEVEL_2
;
593 case EDP_PREEMPHASIS_9_5dB
:
594 dev_priv
->vbt
.edp_preemphasis
= DP_TRAIN_PRE_EMPH_LEVEL_3
;
597 DRM_DEBUG_KMS("VBT has unknown eDP pre-emphasis value %u\n",
598 edp_link_params
->preemphasis
);
602 switch (edp_link_params
->vswing
) {
603 case EDP_VSWING_0_4V
:
604 dev_priv
->vbt
.edp_vswing
= DP_TRAIN_VOLTAGE_SWING_LEVEL_0
;
606 case EDP_VSWING_0_6V
:
607 dev_priv
->vbt
.edp_vswing
= DP_TRAIN_VOLTAGE_SWING_LEVEL_1
;
609 case EDP_VSWING_0_8V
:
610 dev_priv
->vbt
.edp_vswing
= DP_TRAIN_VOLTAGE_SWING_LEVEL_2
;
612 case EDP_VSWING_1_2V
:
613 dev_priv
->vbt
.edp_vswing
= DP_TRAIN_VOLTAGE_SWING_LEVEL_3
;
616 DRM_DEBUG_KMS("VBT has unknown eDP voltage swing value %u\n",
617 edp_link_params
->vswing
);
621 if (bdb
->version
>= 173) {
624 /* Don't read from VBT if module parameter has valid value*/
625 if (i915
.edp_vswing
) {
626 dev_priv
->edp_low_vswing
= i915
.edp_vswing
== 1;
628 vswing
= (edp
->edp_vswing_preemph
>> (panel_type
* 4)) & 0xF;
629 dev_priv
->edp_low_vswing
= vswing
== 0;
635 parse_psr(struct drm_i915_private
*dev_priv
, const struct bdb_header
*bdb
)
637 const struct bdb_psr
*psr
;
638 const struct psr_table
*psr_table
;
640 psr
= find_section(bdb
, BDB_PSR
);
642 DRM_DEBUG_KMS("No PSR BDB found.\n");
646 psr_table
= &psr
->psr_table
[panel_type
];
648 dev_priv
->vbt
.psr
.full_link
= psr_table
->full_link
;
649 dev_priv
->vbt
.psr
.require_aux_wakeup
= psr_table
->require_aux_to_wakeup
;
651 /* Allowed VBT values goes from 0 to 15 */
652 dev_priv
->vbt
.psr
.idle_frames
= psr_table
->idle_frames
< 0 ? 0 :
653 psr_table
->idle_frames
> 15 ? 15 : psr_table
->idle_frames
;
655 switch (psr_table
->lines_to_wait
) {
657 dev_priv
->vbt
.psr
.lines_to_wait
= PSR_0_LINES_TO_WAIT
;
660 dev_priv
->vbt
.psr
.lines_to_wait
= PSR_1_LINE_TO_WAIT
;
663 dev_priv
->vbt
.psr
.lines_to_wait
= PSR_4_LINES_TO_WAIT
;
666 dev_priv
->vbt
.psr
.lines_to_wait
= PSR_8_LINES_TO_WAIT
;
669 DRM_DEBUG_KMS("VBT has unknown PSR lines to wait %u\n",
670 psr_table
->lines_to_wait
);
674 dev_priv
->vbt
.psr
.tp1_wakeup_time
= psr_table
->tp1_wakeup_time
;
675 dev_priv
->vbt
.psr
.tp2_tp3_wakeup_time
= psr_table
->tp2_tp3_wakeup_time
;
678 static u8
*goto_next_sequence(u8
*data
, int *size
)
686 /* goto first element */
690 case MIPI_SEQ_ELEM_SEND_PKT
:
692 * skip by this element payload size
693 * skip elem id, command flag and data type
700 len
= *((u16
*)data
);
707 data
= data
+ 2 + len
;
709 case MIPI_SEQ_ELEM_DELAY
:
710 /* skip by elem id, and delay is 4 bytes */
717 case MIPI_SEQ_ELEM_GPIO
:
725 DRM_ERROR("Unknown element\n");
729 /* end of sequence ? */
734 /* goto next sequence or end of block byte */
740 /* update amount of data left for the sequence block to be parsed */
746 parse_mipi(struct drm_i915_private
*dev_priv
, const struct bdb_header
*bdb
)
748 const struct bdb_mipi_config
*start
;
749 const struct bdb_mipi_sequence
*sequence
;
750 const struct mipi_config
*config
;
751 const struct mipi_pps_data
*pps
;
754 int i
, panel_id
, seq_size
;
757 /* parse MIPI blocks only if LFP type is MIPI */
758 if (!dev_priv
->vbt
.has_mipi
)
761 /* Initialize this to undefined indicating no generic MIPI support */
762 dev_priv
->vbt
.dsi
.panel_id
= MIPI_DSI_UNDEFINED_PANEL_ID
;
764 /* Block #40 is already parsed and panel_fixed_mode is
765 * stored in dev_priv->lfp_lvds_vbt_mode
766 * resuse this when needed
769 /* Parse #52 for panel index used from panel_type already
772 start
= find_section(bdb
, BDB_MIPI_CONFIG
);
774 DRM_DEBUG_KMS("No MIPI config BDB found");
778 DRM_DEBUG_DRIVER("Found MIPI Config block, panel index = %d\n",
782 * get hold of the correct configuration block and pps data as per
783 * the panel_type as index
785 config
= &start
->config
[panel_type
];
786 pps
= &start
->pps
[panel_type
];
788 /* store as of now full data. Trim when we realise all is not needed */
789 dev_priv
->vbt
.dsi
.config
= kmemdup(config
, sizeof(struct mipi_config
), GFP_KERNEL
);
790 if (!dev_priv
->vbt
.dsi
.config
)
793 dev_priv
->vbt
.dsi
.pps
= kmemdup(pps
, sizeof(struct mipi_pps_data
), GFP_KERNEL
);
794 if (!dev_priv
->vbt
.dsi
.pps
) {
795 kfree(dev_priv
->vbt
.dsi
.config
);
799 /* We have mandatory mipi config blocks. Initialize as generic panel */
800 dev_priv
->vbt
.dsi
.panel_id
= MIPI_DSI_GENERIC_PANEL_ID
;
802 /* Check if we have sequence block as well */
803 sequence
= find_section(bdb
, BDB_MIPI_SEQUENCE
);
805 DRM_DEBUG_KMS("No MIPI Sequence found, parsing complete\n");
809 /* Fail gracefully for forward incompatible sequence block. */
810 if (sequence
->version
>= 3) {
811 DRM_ERROR("Unable to parse MIPI Sequence Block v3+\n");
815 DRM_DEBUG_DRIVER("Found MIPI sequence block\n");
817 block_size
= get_blocksize(sequence
);
820 * parse the sequence block for individual sequences
822 dev_priv
->vbt
.dsi
.seq_version
= sequence
->version
;
824 seq_data
= &sequence
->data
[0];
827 * sequence block is variable length and hence we need to parse and
828 * get the sequence data for specific panel id
830 for (i
= 0; i
< MAX_MIPI_CONFIGURATIONS
; i
++) {
831 panel_id
= *seq_data
;
832 seq_size
= *((u16
*) (seq_data
+ 1));
833 if (panel_id
== panel_type
)
836 /* skip the sequence including seq header of 3 bytes */
837 seq_data
= seq_data
+ 3 + seq_size
;
838 if ((seq_data
- &sequence
->data
[0]) > block_size
) {
839 DRM_ERROR("Sequence start is beyond sequence block size, corrupted sequence block\n");
844 if (i
== MAX_MIPI_CONFIGURATIONS
) {
845 DRM_ERROR("Sequence block detected but no valid configuration\n");
849 /* check if found sequence is completely within the sequence block
850 * just being paranoid */
851 if (seq_size
> block_size
) {
852 DRM_ERROR("Corrupted sequence/size, bailing out\n");
856 /* skip the panel id(1 byte) and seq size(2 bytes) */
857 dev_priv
->vbt
.dsi
.data
= kmemdup(seq_data
+ 3, seq_size
, GFP_KERNEL
);
858 if (!dev_priv
->vbt
.dsi
.data
)
862 * loop into the sequence data and split into multiple sequneces
863 * There are only 5 types of sequences as of now
865 data
= dev_priv
->vbt
.dsi
.data
;
866 dev_priv
->vbt
.dsi
.size
= seq_size
;
868 /* two consecutive 0x00 indicate end of all sequences */
871 if (MIPI_SEQ_MAX
> seq_id
&& seq_id
> MIPI_SEQ_UNDEFINED
) {
872 dev_priv
->vbt
.dsi
.sequence
[seq_id
] = data
;
873 DRM_DEBUG_DRIVER("Found mipi sequence - %d\n", seq_id
);
875 DRM_ERROR("undefined sequence\n");
879 /* partial parsing to skip elements */
880 data
= goto_next_sequence(data
, &seq_size
);
883 DRM_ERROR("Sequence elements going beyond block itself. Sequence block parsing failed\n");
888 break; /* end of sequence reached */
891 DRM_DEBUG_DRIVER("MIPI related vbt parsing complete\n");
894 kfree(dev_priv
->vbt
.dsi
.data
);
895 dev_priv
->vbt
.dsi
.data
= NULL
;
897 /* error during parsing so set all pointers to null
898 * because of partial parsing */
899 memset(dev_priv
->vbt
.dsi
.sequence
, 0, sizeof(dev_priv
->vbt
.dsi
.sequence
));
902 static u8
translate_iboost(u8 val
)
904 static const u8 mapping
[] = { 1, 3, 7 }; /* See VBT spec */
906 if (val
>= ARRAY_SIZE(mapping
)) {
907 DRM_DEBUG_KMS("Unsupported I_boost value found in VBT (%d), display may not work properly\n", val
);
913 static void parse_ddi_port(struct drm_i915_private
*dev_priv
, enum port port
,
914 const struct bdb_header
*bdb
)
916 union child_device_config
*it
, *child
= NULL
;
917 struct ddi_vbt_port_info
*info
= &dev_priv
->vbt
.ddi_port_info
[port
];
918 uint8_t hdmi_level_shift
;
920 bool is_dvi
, is_hdmi
, is_dp
, is_edp
, is_crt
;
921 uint8_t aux_channel
, ddc_pin
;
922 /* Each DDI port can have more than one value on the "DVO Port" field,
923 * so look for all the possible values for each port and abort if more
924 * than one is found. */
925 int dvo_ports
[][3] = {
926 {DVO_PORT_HDMIA
, DVO_PORT_DPA
, -1},
927 {DVO_PORT_HDMIB
, DVO_PORT_DPB
, -1},
928 {DVO_PORT_HDMIC
, DVO_PORT_DPC
, -1},
929 {DVO_PORT_HDMID
, DVO_PORT_DPD
, -1},
930 {DVO_PORT_CRT
, DVO_PORT_HDMIE
, DVO_PORT_DPE
},
933 /* Find the child device to use, abort if more than one found. */
934 for (i
= 0; i
< dev_priv
->vbt
.child_dev_num
; i
++) {
935 it
= dev_priv
->vbt
.child_dev
+ i
;
937 for (j
= 0; j
< 3; j
++) {
938 if (dvo_ports
[port
][j
] == -1)
941 if (it
->common
.dvo_port
== dvo_ports
[port
][j
]) {
943 DRM_DEBUG_KMS("More than one child device for port %c in VBT.\n",
954 aux_channel
= child
->raw
[25];
955 ddc_pin
= child
->common
.ddc_pin
;
957 is_dvi
= child
->common
.device_type
& DEVICE_TYPE_TMDS_DVI_SIGNALING
;
958 is_dp
= child
->common
.device_type
& DEVICE_TYPE_DISPLAYPORT_OUTPUT
;
959 is_crt
= child
->common
.device_type
& DEVICE_TYPE_ANALOG_OUTPUT
;
960 is_hdmi
= is_dvi
&& (child
->common
.device_type
& DEVICE_TYPE_NOT_HDMI_OUTPUT
) == 0;
961 is_edp
= is_dp
&& (child
->common
.device_type
& DEVICE_TYPE_INTERNAL_CONNECTOR
);
963 info
->supports_dvi
= is_dvi
;
964 info
->supports_hdmi
= is_hdmi
;
965 info
->supports_dp
= is_dp
;
967 DRM_DEBUG_KMS("Port %c VBT info: DP:%d HDMI:%d DVI:%d EDP:%d CRT:%d\n",
968 port_name(port
), is_dp
, is_hdmi
, is_dvi
, is_edp
, is_crt
);
970 if (is_edp
&& is_dvi
)
971 DRM_DEBUG_KMS("Internal DP port %c is TMDS compatible\n",
973 if (is_crt
&& port
!= PORT_E
)
974 DRM_DEBUG_KMS("Port %c is analog\n", port_name(port
));
975 if (is_crt
&& (is_dvi
|| is_dp
))
976 DRM_DEBUG_KMS("Analog port %c is also DP or TMDS compatible\n",
978 if (is_dvi
&& (port
== PORT_A
|| port
== PORT_E
))
979 DRM_DEBUG_KMS("Port %c is TMDS compatible\n", port_name(port
));
980 if (!is_dvi
&& !is_dp
&& !is_crt
)
981 DRM_DEBUG_KMS("Port %c is not DP/TMDS/CRT compatible\n",
983 if (is_edp
&& (port
== PORT_B
|| port
== PORT_C
|| port
== PORT_E
))
984 DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port
));
987 if (port
== PORT_E
) {
988 info
->alternate_ddc_pin
= ddc_pin
;
989 /* if DDIE share ddc pin with other port, then
990 * dvi/hdmi couldn't exist on the shared port.
991 * Otherwise they share the same ddc bin and system
992 * couldn't communicate with them seperately. */
993 if (ddc_pin
== DDC_PIN_B
) {
994 dev_priv
->vbt
.ddi_port_info
[PORT_B
].supports_dvi
= 0;
995 dev_priv
->vbt
.ddi_port_info
[PORT_B
].supports_hdmi
= 0;
996 } else if (ddc_pin
== DDC_PIN_C
) {
997 dev_priv
->vbt
.ddi_port_info
[PORT_C
].supports_dvi
= 0;
998 dev_priv
->vbt
.ddi_port_info
[PORT_C
].supports_hdmi
= 0;
999 } else if (ddc_pin
== DDC_PIN_D
) {
1000 dev_priv
->vbt
.ddi_port_info
[PORT_D
].supports_dvi
= 0;
1001 dev_priv
->vbt
.ddi_port_info
[PORT_D
].supports_hdmi
= 0;
1003 } else if (ddc_pin
== DDC_PIN_B
&& port
!= PORT_B
)
1004 DRM_DEBUG_KMS("Unexpected DDC pin for port B\n");
1005 else if (ddc_pin
== DDC_PIN_C
&& port
!= PORT_C
)
1006 DRM_DEBUG_KMS("Unexpected DDC pin for port C\n");
1007 else if (ddc_pin
== DDC_PIN_D
&& port
!= PORT_D
)
1008 DRM_DEBUG_KMS("Unexpected DDC pin for port D\n");
1012 if (port
== PORT_E
) {
1013 info
->alternate_aux_channel
= aux_channel
;
1014 /* if DDIE share aux channel with other port, then
1015 * DP couldn't exist on the shared port. Otherwise
1016 * they share the same aux channel and system
1017 * couldn't communicate with them seperately. */
1018 if (aux_channel
== DP_AUX_A
)
1019 dev_priv
->vbt
.ddi_port_info
[PORT_A
].supports_dp
= 0;
1020 else if (aux_channel
== DP_AUX_B
)
1021 dev_priv
->vbt
.ddi_port_info
[PORT_B
].supports_dp
= 0;
1022 else if (aux_channel
== DP_AUX_C
)
1023 dev_priv
->vbt
.ddi_port_info
[PORT_C
].supports_dp
= 0;
1024 else if (aux_channel
== DP_AUX_D
)
1025 dev_priv
->vbt
.ddi_port_info
[PORT_D
].supports_dp
= 0;
1027 else if (aux_channel
== DP_AUX_A
&& port
!= PORT_A
)
1028 DRM_DEBUG_KMS("Unexpected AUX channel for port A\n");
1029 else if (aux_channel
== DP_AUX_B
&& port
!= PORT_B
)
1030 DRM_DEBUG_KMS("Unexpected AUX channel for port B\n");
1031 else if (aux_channel
== DP_AUX_C
&& port
!= PORT_C
)
1032 DRM_DEBUG_KMS("Unexpected AUX channel for port C\n");
1033 else if (aux_channel
== DP_AUX_D
&& port
!= PORT_D
)
1034 DRM_DEBUG_KMS("Unexpected AUX channel for port D\n");
1037 if (bdb
->version
>= 158) {
1038 /* The VBT HDMI level shift values match the table we have. */
1039 hdmi_level_shift
= child
->raw
[7] & 0xF;
1040 DRM_DEBUG_KMS("VBT HDMI level shift for port %c: %d\n",
1043 info
->hdmi_level_shift
= hdmi_level_shift
;
1046 /* Parse the I_boost config for SKL and above */
1047 if (bdb
->version
>= 196 && (child
->common
.flags_1
& IBOOST_ENABLE
)) {
1048 info
->dp_boost_level
= translate_iboost(child
->common
.iboost_level
& 0xF);
1049 DRM_DEBUG_KMS("VBT (e)DP boost level for port %c: %d\n",
1050 port_name(port
), info
->dp_boost_level
);
1051 info
->hdmi_boost_level
= translate_iboost(child
->common
.iboost_level
>> 4);
1052 DRM_DEBUG_KMS("VBT HDMI boost level for port %c: %d\n",
1053 port_name(port
), info
->hdmi_boost_level
);
1057 static void parse_ddi_ports(struct drm_i915_private
*dev_priv
,
1058 const struct bdb_header
*bdb
)
1062 if (!HAS_DDI(dev_priv
))
1065 if (!dev_priv
->vbt
.child_dev_num
)
1068 if (bdb
->version
< 155)
1071 for (port
= PORT_A
; port
< I915_MAX_PORTS
; port
++)
1072 parse_ddi_port(dev_priv
, port
, bdb
);
1076 parse_device_mapping(struct drm_i915_private
*dev_priv
,
1077 const struct bdb_header
*bdb
)
1079 const struct bdb_general_definitions
*p_defs
;
1080 const union child_device_config
*p_child
;
1081 union child_device_config
*child_dev_ptr
;
1082 int i
, child_device_num
, count
;
1086 p_defs
= find_section(bdb
, BDB_GENERAL_DEFINITIONS
);
1088 DRM_DEBUG_KMS("No general definition block is found, no devices defined.\n");
1091 if (bdb
->version
< 195) {
1092 expected_size
= sizeof(struct old_child_dev_config
);
1093 } else if (bdb
->version
== 195) {
1095 } else if (bdb
->version
<= 197) {
1099 BUILD_BUG_ON(sizeof(*p_child
) < 38);
1100 DRM_DEBUG_DRIVER("Expected child device config size for VBT version %u not known; assuming %u\n",
1101 bdb
->version
, expected_size
);
1104 /* The legacy sized child device config is the minimum we need. */
1105 if (p_defs
->child_dev_size
< sizeof(struct old_child_dev_config
)) {
1106 DRM_ERROR("Child device config size %u is too small.\n",
1107 p_defs
->child_dev_size
);
1111 /* Flag an error for unexpected size, but continue anyway. */
1112 if (p_defs
->child_dev_size
!= expected_size
)
1113 DRM_ERROR("Unexpected child device config size %u (expected %u for VBT version %u)\n",
1114 p_defs
->child_dev_size
, expected_size
, bdb
->version
);
1116 /* get the block size of general definitions */
1117 block_size
= get_blocksize(p_defs
);
1118 /* get the number of child device */
1119 child_device_num
= (block_size
- sizeof(*p_defs
)) /
1120 p_defs
->child_dev_size
;
1122 /* get the number of child device that is present */
1123 for (i
= 0; i
< child_device_num
; i
++) {
1124 p_child
= child_device_ptr(p_defs
, i
);
1125 if (!p_child
->common
.device_type
) {
1126 /* skip the device block if device type is invalid */
1132 DRM_DEBUG_KMS("no child dev is parsed from VBT\n");
1135 dev_priv
->vbt
.child_dev
= kcalloc(count
, sizeof(*p_child
), GFP_KERNEL
);
1136 if (!dev_priv
->vbt
.child_dev
) {
1137 DRM_DEBUG_KMS("No memory space for child device\n");
1141 dev_priv
->vbt
.child_dev_num
= count
;
1143 for (i
= 0; i
< child_device_num
; i
++) {
1144 p_child
= child_device_ptr(p_defs
, i
);
1145 if (!p_child
->common
.device_type
) {
1146 /* skip the device block if device type is invalid */
1150 if (p_child
->common
.dvo_port
>= DVO_PORT_MIPIA
1151 && p_child
->common
.dvo_port
<= DVO_PORT_MIPID
1152 &&p_child
->common
.device_type
& DEVICE_TYPE_MIPI_OUTPUT
) {
1153 DRM_DEBUG_KMS("Found MIPI as LFP\n");
1154 dev_priv
->vbt
.has_mipi
= 1;
1155 dev_priv
->vbt
.dsi
.port
= p_child
->common
.dvo_port
;
1158 child_dev_ptr
= dev_priv
->vbt
.child_dev
+ count
;
1162 * Copy as much as we know (sizeof) and is available
1163 * (child_dev_size) of the child device. Accessing the data must
1164 * depend on VBT version.
1166 memcpy(child_dev_ptr
, p_child
,
1167 min_t(size_t, p_defs
->child_dev_size
, sizeof(*p_child
)));
1173 init_vbt_defaults(struct drm_i915_private
*dev_priv
)
1177 dev_priv
->vbt
.crt_ddc_pin
= GMBUS_PIN_VGADDC
;
1179 /* Default to having backlight */
1180 dev_priv
->vbt
.backlight
.present
= true;
1182 /* LFP panel data */
1183 dev_priv
->vbt
.lvds_dither
= 1;
1184 dev_priv
->vbt
.lvds_vbt
= 0;
1186 /* SDVO panel data */
1187 dev_priv
->vbt
.sdvo_lvds_vbt_mode
= NULL
;
1189 /* general features */
1190 dev_priv
->vbt
.int_tv_support
= 1;
1191 dev_priv
->vbt
.int_crt_support
= 1;
1193 /* Default to using SSC */
1194 dev_priv
->vbt
.lvds_use_ssc
= 1;
1196 * Core/SandyBridge/IvyBridge use alternative (120MHz) reference
1199 dev_priv
->vbt
.lvds_ssc_freq
= intel_bios_ssc_frequency(dev_priv
,
1200 !HAS_PCH_SPLIT(dev_priv
));
1201 DRM_DEBUG_KMS("Set default to SSC at %d kHz\n", dev_priv
->vbt
.lvds_ssc_freq
);
1203 for (port
= PORT_A
; port
< I915_MAX_PORTS
; port
++) {
1204 struct ddi_vbt_port_info
*info
=
1205 &dev_priv
->vbt
.ddi_port_info
[port
];
1207 info
->hdmi_level_shift
= HDMI_LEVEL_SHIFT_UNKNOWN
;
1209 info
->supports_dvi
= (port
!= PORT_A
&& port
!= PORT_E
);
1210 info
->supports_hdmi
= info
->supports_dvi
;
1211 info
->supports_dp
= (port
!= PORT_E
);
1215 static const struct bdb_header
*get_bdb_header(const struct vbt_header
*vbt
)
1217 const void *_vbt
= vbt
;
1219 return _vbt
+ vbt
->bdb_offset
;
1223 * intel_bios_is_valid_vbt - does the given buffer contain a valid VBT
1224 * @buf: pointer to a buffer to validate
1225 * @size: size of the buffer
1227 * Returns true on valid VBT.
1229 bool intel_bios_is_valid_vbt(const void *buf
, size_t size
)
1231 const struct vbt_header
*vbt
= buf
;
1232 const struct bdb_header
*bdb
;
1237 if (sizeof(struct vbt_header
) > size
) {
1238 DRM_DEBUG_DRIVER("VBT header incomplete\n");
1242 if (memcmp(vbt
->signature
, "$VBT", 4)) {
1243 DRM_DEBUG_DRIVER("VBT invalid signature\n");
1247 if (vbt
->bdb_offset
+ sizeof(struct bdb_header
) > size
) {
1248 DRM_DEBUG_DRIVER("BDB header incomplete\n");
1252 bdb
= get_bdb_header(vbt
);
1253 if (vbt
->bdb_offset
+ bdb
->bdb_size
> size
) {
1254 DRM_DEBUG_DRIVER("BDB incomplete\n");
1261 static const struct vbt_header
*find_vbt(void __iomem
*bios
, size_t size
)
1265 /* Scour memory looking for the VBT signature. */
1266 for (i
= 0; i
+ 4 < size
; i
++) {
1269 if (ioread32(bios
+ i
) != *((const u32
*) "$VBT"))
1273 * This is the one place where we explicitly discard the address
1274 * space (__iomem) of the BIOS/VBT.
1276 vbt
= (void __force
*) bios
+ i
;
1277 if (intel_bios_is_valid_vbt(vbt
, size
- i
))
1287 * intel_bios_init - find VBT and initialize settings from the BIOS
1290 * Loads the Video BIOS and checks that the VBT exists. Sets scratch registers
1291 * to appropriate values.
1293 * Returns 0 on success, nonzero on failure.
1296 intel_bios_init(struct drm_i915_private
*dev_priv
)
1298 struct pci_dev
*pdev
= dev_priv
->dev
->pdev
;
1299 const struct vbt_header
*vbt
= dev_priv
->opregion
.vbt
;
1300 const struct bdb_header
*bdb
;
1301 u8 __iomem
*bios
= NULL
;
1303 if (HAS_PCH_NOP(dev_priv
))
1306 init_vbt_defaults(dev_priv
);
1311 bios
= pci_map_rom(pdev
, &size
);
1315 vbt
= find_vbt(bios
, size
);
1317 pci_unmap_rom(pdev
, bios
);
1321 DRM_DEBUG_KMS("Found valid VBT in PCI ROM\n");
1324 bdb
= get_bdb_header(vbt
);
1326 DRM_DEBUG_KMS("VBT signature \"%.*s\", BDB version %d\n",
1327 (int)sizeof(vbt
->signature
), vbt
->signature
, bdb
->version
);
1329 /* Grab useful general definitions */
1330 parse_general_features(dev_priv
, bdb
);
1331 parse_general_definitions(dev_priv
, bdb
);
1332 parse_lfp_panel_data(dev_priv
, bdb
);
1333 parse_lfp_backlight(dev_priv
, bdb
);
1334 parse_sdvo_panel_data(dev_priv
, bdb
);
1335 parse_sdvo_device_mapping(dev_priv
, bdb
);
1336 parse_device_mapping(dev_priv
, bdb
);
1337 parse_driver_features(dev_priv
, bdb
);
1338 parse_edp(dev_priv
, bdb
);
1339 parse_psr(dev_priv
, bdb
);
1340 parse_mipi(dev_priv
, bdb
);
1341 parse_ddi_ports(dev_priv
, bdb
);
1344 pci_unmap_rom(pdev
, bios
);