2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
23 * Authors: Dave Airlie
27 #include <drm/amdgpu_drm.h>
29 #include "amdgpu_i2c.h"
31 #include "amdgpu_connectors.h"
32 #include <asm/div64.h>
34 #include <linux/pm_runtime.h>
35 #include <drm/drm_crtc_helper.h>
36 #include <drm/drm_edid.h>
39 static void amdgpu_flip_work_func(struct work_struct
*__work
)
41 struct amdgpu_flip_work
*work
=
42 container_of(__work
, struct amdgpu_flip_work
, flip_work
);
43 struct amdgpu_device
*adev
= work
->adev
;
44 struct amdgpu_crtc
*amdgpuCrtc
= adev
->mode_info
.crtcs
[work
->crtc_id
];
46 struct drm_crtc
*crtc
= &amdgpuCrtc
->base
;
47 struct amdgpu_fence
*fence
;
51 down_read(&adev
->exclusive_lock
);
53 fence
= to_amdgpu_fence(work
->fence
);
55 r
= amdgpu_fence_wait(fence
, false);
57 up_read(&adev
->exclusive_lock
);
58 r
= amdgpu_gpu_reset(adev
);
59 down_read(&adev
->exclusive_lock
);
62 r
= fence_wait(work
->fence
, false);
65 DRM_ERROR("failed to wait on page flip fence (%d)!\n", r
);
67 /* We continue with the page flip even if we failed to wait on
68 * the fence, otherwise the DRM core and userspace will be
69 * confused about which BO the CRTC is scanning out
72 fence_put(work
->fence
);
76 /* We borrow the event spin lock for protecting flip_status */
77 spin_lock_irqsave(&crtc
->dev
->event_lock
, flags
);
79 /* set the proper interrupt */
80 amdgpu_irq_get(adev
, &adev
->pageflip_irq
, work
->crtc_id
);
81 /* do the flip (mmio) */
82 adev
->mode_info
.funcs
->page_flip(adev
, work
->crtc_id
, work
->base
);
83 /* set the flip status */
84 amdgpuCrtc
->pflip_status
= AMDGPU_FLIP_SUBMITTED
;
86 spin_unlock_irqrestore(&crtc
->dev
->event_lock
, flags
);
87 up_read(&adev
->exclusive_lock
);
91 * Handle unpin events outside the interrupt handler proper.
93 static void amdgpu_unpin_work_func(struct work_struct
*__work
)
95 struct amdgpu_flip_work
*work
=
96 container_of(__work
, struct amdgpu_flip_work
, unpin_work
);
99 /* unpin of the old buffer */
100 r
= amdgpu_bo_reserve(work
->old_rbo
, false);
101 if (likely(r
== 0)) {
102 r
= amdgpu_bo_unpin(work
->old_rbo
);
103 if (unlikely(r
!= 0)) {
104 DRM_ERROR("failed to unpin buffer after flip\n");
106 amdgpu_bo_unreserve(work
->old_rbo
);
108 DRM_ERROR("failed to reserve buffer after flip\n");
110 drm_gem_object_unreference_unlocked(&work
->old_rbo
->gem_base
);
114 int amdgpu_crtc_page_flip(struct drm_crtc
*crtc
,
115 struct drm_framebuffer
*fb
,
116 struct drm_pending_vblank_event
*event
,
117 uint32_t page_flip_flags
)
119 struct drm_device
*dev
= crtc
->dev
;
120 struct amdgpu_device
*adev
= dev
->dev_private
;
121 struct amdgpu_crtc
*amdgpu_crtc
= to_amdgpu_crtc(crtc
);
122 struct amdgpu_framebuffer
*old_amdgpu_fb
;
123 struct amdgpu_framebuffer
*new_amdgpu_fb
;
124 struct drm_gem_object
*obj
;
125 struct amdgpu_flip_work
*work
;
126 struct amdgpu_bo
*new_rbo
;
132 work
= kzalloc(sizeof *work
, GFP_KERNEL
);
136 INIT_WORK(&work
->flip_work
, amdgpu_flip_work_func
);
137 INIT_WORK(&work
->unpin_work
, amdgpu_unpin_work_func
);
141 work
->crtc_id
= amdgpu_crtc
->crtc_id
;
143 /* schedule unpin of the old buffer */
144 old_amdgpu_fb
= to_amdgpu_framebuffer(crtc
->primary
->fb
);
145 obj
= old_amdgpu_fb
->obj
;
147 /* take a reference to the old object */
148 drm_gem_object_reference(obj
);
149 work
->old_rbo
= gem_to_amdgpu_bo(obj
);
151 new_amdgpu_fb
= to_amdgpu_framebuffer(fb
);
152 obj
= new_amdgpu_fb
->obj
;
153 new_rbo
= gem_to_amdgpu_bo(obj
);
155 /* pin the new buffer */
156 r
= amdgpu_bo_reserve(new_rbo
, false);
157 if (unlikely(r
!= 0)) {
158 DRM_ERROR("failed to reserve new rbo buffer before flip\n");
162 r
= amdgpu_bo_pin_restricted(new_rbo
, AMDGPU_GEM_DOMAIN_VRAM
, 0, 0, &base
);
163 if (unlikely(r
!= 0)) {
164 amdgpu_bo_unreserve(new_rbo
);
166 DRM_ERROR("failed to pin new rbo buffer before flip\n");
170 work
->fence
= fence_get(reservation_object_get_excl(new_rbo
->tbo
.resv
));
171 amdgpu_bo_get_tiling_flags(new_rbo
, &tiling_flags
);
172 amdgpu_bo_unreserve(new_rbo
);
176 r
= drm_vblank_get(crtc
->dev
, amdgpu_crtc
->crtc_id
);
178 DRM_ERROR("failed to get vblank before flip\n");
182 /* we borrow the event spin lock for protecting flip_wrok */
183 spin_lock_irqsave(&crtc
->dev
->event_lock
, flags
);
184 if (amdgpu_crtc
->pflip_status
!= AMDGPU_FLIP_NONE
) {
185 DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
186 spin_unlock_irqrestore(&crtc
->dev
->event_lock
, flags
);
191 amdgpu_crtc
->pflip_status
= AMDGPU_FLIP_PENDING
;
192 amdgpu_crtc
->pflip_works
= work
;
195 crtc
->primary
->fb
= fb
;
196 spin_unlock_irqrestore(&crtc
->dev
->event_lock
, flags
);
197 queue_work(amdgpu_crtc
->pflip_queue
, &work
->flip_work
);
201 drm_vblank_put(crtc
->dev
, amdgpu_crtc
->crtc_id
);
204 if (unlikely(amdgpu_bo_reserve(new_rbo
, false) != 0)) {
205 DRM_ERROR("failed to reserve new rbo in error path\n");
208 if (unlikely(amdgpu_bo_unpin(new_rbo
) != 0)) {
209 DRM_ERROR("failed to unpin new rbo in error path\n");
211 amdgpu_bo_unreserve(new_rbo
);
214 drm_gem_object_unreference_unlocked(&work
->old_rbo
->gem_base
);
215 fence_put(work
->fence
);
221 int amdgpu_crtc_set_config(struct drm_mode_set
*set
)
223 struct drm_device
*dev
;
224 struct amdgpu_device
*adev
;
225 struct drm_crtc
*crtc
;
229 if (!set
|| !set
->crtc
)
232 dev
= set
->crtc
->dev
;
234 ret
= pm_runtime_get_sync(dev
->dev
);
238 ret
= drm_crtc_helper_set_config(set
);
240 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
244 pm_runtime_mark_last_busy(dev
->dev
);
246 adev
= dev
->dev_private
;
247 /* if we have active crtcs and we don't have a power ref,
248 take the current one */
249 if (active
&& !adev
->have_disp_power_ref
) {
250 adev
->have_disp_power_ref
= true;
253 /* if we have no active crtcs, then drop the power ref
255 if (!active
&& adev
->have_disp_power_ref
) {
256 pm_runtime_put_autosuspend(dev
->dev
);
257 adev
->have_disp_power_ref
= false;
260 /* drop the power reference we got coming in here */
261 pm_runtime_put_autosuspend(dev
->dev
);
265 static const char *encoder_names
[38] = {
285 "INTERNAL_KLDSCP_TMDS1",
286 "INTERNAL_KLDSCP_DVO1",
287 "INTERNAL_KLDSCP_DAC1",
288 "INTERNAL_KLDSCP_DAC2",
297 "INTERNAL_KLDSCP_LVTMA",
306 static const char *hpd_names
[6] = {
315 void amdgpu_print_display_setup(struct drm_device
*dev
)
317 struct drm_connector
*connector
;
318 struct amdgpu_connector
*amdgpu_connector
;
319 struct drm_encoder
*encoder
;
320 struct amdgpu_encoder
*amdgpu_encoder
;
324 DRM_INFO("AMDGPU Display Connectors\n");
325 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
326 amdgpu_connector
= to_amdgpu_connector(connector
);
327 DRM_INFO("Connector %d:\n", i
);
328 DRM_INFO(" %s\n", connector
->name
);
329 if (amdgpu_connector
->hpd
.hpd
!= AMDGPU_HPD_NONE
)
330 DRM_INFO(" %s\n", hpd_names
[amdgpu_connector
->hpd
.hpd
]);
331 if (amdgpu_connector
->ddc_bus
) {
332 DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
333 amdgpu_connector
->ddc_bus
->rec
.mask_clk_reg
,
334 amdgpu_connector
->ddc_bus
->rec
.mask_data_reg
,
335 amdgpu_connector
->ddc_bus
->rec
.a_clk_reg
,
336 amdgpu_connector
->ddc_bus
->rec
.a_data_reg
,
337 amdgpu_connector
->ddc_bus
->rec
.en_clk_reg
,
338 amdgpu_connector
->ddc_bus
->rec
.en_data_reg
,
339 amdgpu_connector
->ddc_bus
->rec
.y_clk_reg
,
340 amdgpu_connector
->ddc_bus
->rec
.y_data_reg
);
341 if (amdgpu_connector
->router
.ddc_valid
)
342 DRM_INFO(" DDC Router 0x%x/0x%x\n",
343 amdgpu_connector
->router
.ddc_mux_control_pin
,
344 amdgpu_connector
->router
.ddc_mux_state
);
345 if (amdgpu_connector
->router
.cd_valid
)
346 DRM_INFO(" Clock/Data Router 0x%x/0x%x\n",
347 amdgpu_connector
->router
.cd_mux_control_pin
,
348 amdgpu_connector
->router
.cd_mux_state
);
350 if (connector
->connector_type
== DRM_MODE_CONNECTOR_VGA
||
351 connector
->connector_type
== DRM_MODE_CONNECTOR_DVII
||
352 connector
->connector_type
== DRM_MODE_CONNECTOR_DVID
||
353 connector
->connector_type
== DRM_MODE_CONNECTOR_DVIA
||
354 connector
->connector_type
== DRM_MODE_CONNECTOR_HDMIA
||
355 connector
->connector_type
== DRM_MODE_CONNECTOR_HDMIB
)
356 DRM_INFO(" DDC: no ddc bus - possible BIOS bug - please report to xorg-driver-ati@lists.x.org\n");
358 DRM_INFO(" Encoders:\n");
359 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
) {
360 amdgpu_encoder
= to_amdgpu_encoder(encoder
);
361 devices
= amdgpu_encoder
->devices
& amdgpu_connector
->devices
;
363 if (devices
& ATOM_DEVICE_CRT1_SUPPORT
)
364 DRM_INFO(" CRT1: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
365 if (devices
& ATOM_DEVICE_CRT2_SUPPORT
)
366 DRM_INFO(" CRT2: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
367 if (devices
& ATOM_DEVICE_LCD1_SUPPORT
)
368 DRM_INFO(" LCD1: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
369 if (devices
& ATOM_DEVICE_DFP1_SUPPORT
)
370 DRM_INFO(" DFP1: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
371 if (devices
& ATOM_DEVICE_DFP2_SUPPORT
)
372 DRM_INFO(" DFP2: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
373 if (devices
& ATOM_DEVICE_DFP3_SUPPORT
)
374 DRM_INFO(" DFP3: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
375 if (devices
& ATOM_DEVICE_DFP4_SUPPORT
)
376 DRM_INFO(" DFP4: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
377 if (devices
& ATOM_DEVICE_DFP5_SUPPORT
)
378 DRM_INFO(" DFP5: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
379 if (devices
& ATOM_DEVICE_DFP6_SUPPORT
)
380 DRM_INFO(" DFP6: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
381 if (devices
& ATOM_DEVICE_TV1_SUPPORT
)
382 DRM_INFO(" TV1: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
383 if (devices
& ATOM_DEVICE_CV_SUPPORT
)
384 DRM_INFO(" CV: %s\n", encoder_names
[amdgpu_encoder
->encoder_id
]);
395 bool amdgpu_ddc_probe(struct amdgpu_connector
*amdgpu_connector
,
401 struct i2c_msg msgs
[] = {
416 /* on hw with routers, select right port */
417 if (amdgpu_connector
->router
.ddc_valid
)
418 amdgpu_i2c_router_select_ddc_port(amdgpu_connector
);
421 ret
= i2c_transfer(&amdgpu_connector
->ddc_bus
->aux
.ddc
, msgs
, 2);
423 ret
= i2c_transfer(&amdgpu_connector
->ddc_bus
->adapter
, msgs
, 2);
427 /* Couldn't find an accessible DDC on this connector */
429 /* Probe also for valid EDID header
430 * EDID header starts with:
431 * 0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00.
432 * Only the first 6 bytes must be valid as
433 * drm_edid_block_valid() can fix the last 2 bytes */
434 if (drm_edid_header_is_valid(buf
) < 6) {
435 /* Couldn't find an accessible EDID on this
442 static void amdgpu_user_framebuffer_destroy(struct drm_framebuffer
*fb
)
444 struct amdgpu_framebuffer
*amdgpu_fb
= to_amdgpu_framebuffer(fb
);
446 if (amdgpu_fb
->obj
) {
447 drm_gem_object_unreference_unlocked(amdgpu_fb
->obj
);
449 drm_framebuffer_cleanup(fb
);
453 static int amdgpu_user_framebuffer_create_handle(struct drm_framebuffer
*fb
,
454 struct drm_file
*file_priv
,
455 unsigned int *handle
)
457 struct amdgpu_framebuffer
*amdgpu_fb
= to_amdgpu_framebuffer(fb
);
459 return drm_gem_handle_create(file_priv
, amdgpu_fb
->obj
, handle
);
462 static const struct drm_framebuffer_funcs amdgpu_fb_funcs
= {
463 .destroy
= amdgpu_user_framebuffer_destroy
,
464 .create_handle
= amdgpu_user_framebuffer_create_handle
,
468 amdgpu_framebuffer_init(struct drm_device
*dev
,
469 struct amdgpu_framebuffer
*rfb
,
470 struct drm_mode_fb_cmd2
*mode_cmd
,
471 struct drm_gem_object
*obj
)
475 drm_helper_mode_fill_fb_struct(&rfb
->base
, mode_cmd
);
476 ret
= drm_framebuffer_init(dev
, &rfb
->base
, &amdgpu_fb_funcs
);
484 static struct drm_framebuffer
*
485 amdgpu_user_framebuffer_create(struct drm_device
*dev
,
486 struct drm_file
*file_priv
,
487 struct drm_mode_fb_cmd2
*mode_cmd
)
489 struct drm_gem_object
*obj
;
490 struct amdgpu_framebuffer
*amdgpu_fb
;
493 obj
= drm_gem_object_lookup(dev
, file_priv
, mode_cmd
->handles
[0]);
495 dev_err(&dev
->pdev
->dev
, "No GEM object associated to handle 0x%08X, "
496 "can't create framebuffer\n", mode_cmd
->handles
[0]);
497 return ERR_PTR(-ENOENT
);
500 amdgpu_fb
= kzalloc(sizeof(*amdgpu_fb
), GFP_KERNEL
);
501 if (amdgpu_fb
== NULL
) {
502 drm_gem_object_unreference_unlocked(obj
);
503 return ERR_PTR(-ENOMEM
);
506 ret
= amdgpu_framebuffer_init(dev
, amdgpu_fb
, mode_cmd
, obj
);
509 drm_gem_object_unreference_unlocked(obj
);
513 return &amdgpu_fb
->base
;
516 static void amdgpu_output_poll_changed(struct drm_device
*dev
)
518 struct amdgpu_device
*adev
= dev
->dev_private
;
519 amdgpu_fb_output_poll_changed(adev
);
522 const struct drm_mode_config_funcs amdgpu_mode_funcs
= {
523 .fb_create
= amdgpu_user_framebuffer_create
,
524 .output_poll_changed
= amdgpu_output_poll_changed
527 static struct drm_prop_enum_list amdgpu_underscan_enum_list
[] =
528 { { UNDERSCAN_OFF
, "off" },
529 { UNDERSCAN_ON
, "on" },
530 { UNDERSCAN_AUTO
, "auto" },
533 static struct drm_prop_enum_list amdgpu_audio_enum_list
[] =
534 { { AMDGPU_AUDIO_DISABLE
, "off" },
535 { AMDGPU_AUDIO_ENABLE
, "on" },
536 { AMDGPU_AUDIO_AUTO
, "auto" },
539 /* XXX support different dither options? spatial, temporal, both, etc. */
540 static struct drm_prop_enum_list amdgpu_dither_enum_list
[] =
541 { { AMDGPU_FMT_DITHER_DISABLE
, "off" },
542 { AMDGPU_FMT_DITHER_ENABLE
, "on" },
545 int amdgpu_modeset_create_props(struct amdgpu_device
*adev
)
549 if (adev
->is_atom_bios
) {
550 adev
->mode_info
.coherent_mode_property
=
551 drm_property_create_range(adev
->ddev
, 0 , "coherent", 0, 1);
552 if (!adev
->mode_info
.coherent_mode_property
)
556 adev
->mode_info
.load_detect_property
=
557 drm_property_create_range(adev
->ddev
, 0, "load detection", 0, 1);
558 if (!adev
->mode_info
.load_detect_property
)
561 drm_mode_create_scaling_mode_property(adev
->ddev
);
563 sz
= ARRAY_SIZE(amdgpu_underscan_enum_list
);
564 adev
->mode_info
.underscan_property
=
565 drm_property_create_enum(adev
->ddev
, 0,
567 amdgpu_underscan_enum_list
, sz
);
569 adev
->mode_info
.underscan_hborder_property
=
570 drm_property_create_range(adev
->ddev
, 0,
571 "underscan hborder", 0, 128);
572 if (!adev
->mode_info
.underscan_hborder_property
)
575 adev
->mode_info
.underscan_vborder_property
=
576 drm_property_create_range(adev
->ddev
, 0,
577 "underscan vborder", 0, 128);
578 if (!adev
->mode_info
.underscan_vborder_property
)
581 sz
= ARRAY_SIZE(amdgpu_audio_enum_list
);
582 adev
->mode_info
.audio_property
=
583 drm_property_create_enum(adev
->ddev
, 0,
585 amdgpu_audio_enum_list
, sz
);
587 sz
= ARRAY_SIZE(amdgpu_dither_enum_list
);
588 adev
->mode_info
.dither_property
=
589 drm_property_create_enum(adev
->ddev
, 0,
591 amdgpu_dither_enum_list
, sz
);
596 void amdgpu_update_display_priority(struct amdgpu_device
*adev
)
598 /* adjustment options for the display watermarks */
599 if ((amdgpu_disp_priority
== 0) || (amdgpu_disp_priority
> 2))
600 adev
->mode_info
.disp_priority
= 0;
602 adev
->mode_info
.disp_priority
= amdgpu_disp_priority
;
606 static bool is_hdtv_mode(const struct drm_display_mode
*mode
)
608 /* try and guess if this is a tv or a monitor */
609 if ((mode
->vdisplay
== 480 && mode
->hdisplay
== 720) || /* 480p */
610 (mode
->vdisplay
== 576) || /* 576p */
611 (mode
->vdisplay
== 720) || /* 720p */
612 (mode
->vdisplay
== 1080)) /* 1080p */
618 bool amdgpu_crtc_scaling_mode_fixup(struct drm_crtc
*crtc
,
619 const struct drm_display_mode
*mode
,
620 struct drm_display_mode
*adjusted_mode
)
622 struct drm_device
*dev
= crtc
->dev
;
623 struct drm_encoder
*encoder
;
624 struct amdgpu_crtc
*amdgpu_crtc
= to_amdgpu_crtc(crtc
);
625 struct amdgpu_encoder
*amdgpu_encoder
;
626 struct drm_connector
*connector
;
627 struct amdgpu_connector
*amdgpu_connector
;
628 u32 src_v
= 1, dst_v
= 1;
629 u32 src_h
= 1, dst_h
= 1;
631 amdgpu_crtc
->h_border
= 0;
632 amdgpu_crtc
->v_border
= 0;
634 list_for_each_entry(encoder
, &dev
->mode_config
.encoder_list
, head
) {
635 if (encoder
->crtc
!= crtc
)
637 amdgpu_encoder
= to_amdgpu_encoder(encoder
);
638 connector
= amdgpu_get_connector_for_encoder(encoder
);
639 amdgpu_connector
= to_amdgpu_connector(connector
);
642 if (amdgpu_encoder
->rmx_type
== RMX_OFF
)
643 amdgpu_crtc
->rmx_type
= RMX_OFF
;
644 else if (mode
->hdisplay
< amdgpu_encoder
->native_mode
.hdisplay
||
645 mode
->vdisplay
< amdgpu_encoder
->native_mode
.vdisplay
)
646 amdgpu_crtc
->rmx_type
= amdgpu_encoder
->rmx_type
;
648 amdgpu_crtc
->rmx_type
= RMX_OFF
;
649 /* copy native mode */
650 memcpy(&amdgpu_crtc
->native_mode
,
651 &amdgpu_encoder
->native_mode
,
652 sizeof(struct drm_display_mode
));
653 src_v
= crtc
->mode
.vdisplay
;
654 dst_v
= amdgpu_crtc
->native_mode
.vdisplay
;
655 src_h
= crtc
->mode
.hdisplay
;
656 dst_h
= amdgpu_crtc
->native_mode
.hdisplay
;
658 /* fix up for overscan on hdmi */
659 if ((!(mode
->flags
& DRM_MODE_FLAG_INTERLACE
)) &&
660 ((amdgpu_encoder
->underscan_type
== UNDERSCAN_ON
) ||
661 ((amdgpu_encoder
->underscan_type
== UNDERSCAN_AUTO
) &&
662 drm_detect_hdmi_monitor(amdgpu_connector_edid(connector
)) &&
663 is_hdtv_mode(mode
)))) {
664 if (amdgpu_encoder
->underscan_hborder
!= 0)
665 amdgpu_crtc
->h_border
= amdgpu_encoder
->underscan_hborder
;
667 amdgpu_crtc
->h_border
= (mode
->hdisplay
>> 5) + 16;
668 if (amdgpu_encoder
->underscan_vborder
!= 0)
669 amdgpu_crtc
->v_border
= amdgpu_encoder
->underscan_vborder
;
671 amdgpu_crtc
->v_border
= (mode
->vdisplay
>> 5) + 16;
672 amdgpu_crtc
->rmx_type
= RMX_FULL
;
673 src_v
= crtc
->mode
.vdisplay
;
674 dst_v
= crtc
->mode
.vdisplay
- (amdgpu_crtc
->v_border
* 2);
675 src_h
= crtc
->mode
.hdisplay
;
676 dst_h
= crtc
->mode
.hdisplay
- (amdgpu_crtc
->h_border
* 2);
679 if (amdgpu_crtc
->rmx_type
!= RMX_OFF
) {
681 a
.full
= dfixed_const(src_v
);
682 b
.full
= dfixed_const(dst_v
);
683 amdgpu_crtc
->vsc
.full
= dfixed_div(a
, b
);
684 a
.full
= dfixed_const(src_h
);
685 b
.full
= dfixed_const(dst_h
);
686 amdgpu_crtc
->hsc
.full
= dfixed_div(a
, b
);
688 amdgpu_crtc
->vsc
.full
= dfixed_const(1);
689 amdgpu_crtc
->hsc
.full
= dfixed_const(1);
695 * Retrieve current video scanout position of crtc on a given gpu, and
696 * an optional accurate timestamp of when query happened.
698 * \param dev Device to query.
699 * \param crtc Crtc to query.
700 * \param flags Flags from caller (DRM_CALLED_FROM_VBLIRQ or 0).
701 * \param *vpos Location where vertical scanout position should be stored.
702 * \param *hpos Location where horizontal scanout position should go.
703 * \param *stime Target location for timestamp taken immediately before
704 * scanout position query. Can be NULL to skip timestamp.
705 * \param *etime Target location for timestamp taken immediately after
706 * scanout position query. Can be NULL to skip timestamp.
708 * Returns vpos as a positive number while in active scanout area.
709 * Returns vpos as a negative number inside vblank, counting the number
710 * of scanlines to go until end of vblank, e.g., -1 means "one scanline
711 * until start of active scanout / end of vblank."
713 * \return Flags, or'ed together as follows:
715 * DRM_SCANOUTPOS_VALID = Query successful.
716 * DRM_SCANOUTPOS_INVBL = Inside vblank.
717 * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of
718 * this flag means that returned position may be offset by a constant but
719 * unknown small number of scanlines wrt. real scanout position.
722 int amdgpu_get_crtc_scanoutpos(struct drm_device
*dev
, int crtc
, unsigned int flags
,
723 int *vpos
, int *hpos
, ktime_t
*stime
, ktime_t
*etime
)
725 u32 vbl
= 0, position
= 0;
726 int vbl_start
, vbl_end
, vtotal
, ret
= 0;
729 struct amdgpu_device
*adev
= dev
->dev_private
;
731 /* preempt_disable_rt() should go right here in PREEMPT_RT patchset. */
733 /* Get optional system timestamp before query. */
735 *stime
= ktime_get();
737 if (amdgpu_display_page_flip_get_scanoutpos(adev
, crtc
, &vbl
, &position
) == 0)
738 ret
|= DRM_SCANOUTPOS_VALID
;
740 /* Get optional system timestamp after query. */
742 *etime
= ktime_get();
744 /* preempt_enable_rt() should go right here in PREEMPT_RT patchset. */
746 /* Decode into vertical and horizontal scanout position. */
747 *vpos
= position
& 0x1fff;
748 *hpos
= (position
>> 16) & 0x1fff;
750 /* Valid vblank area boundaries from gpu retrieved? */
753 ret
|= DRM_SCANOUTPOS_ACCURATE
;
754 vbl_start
= vbl
& 0x1fff;
755 vbl_end
= (vbl
>> 16) & 0x1fff;
758 /* No: Fake something reasonable which gives at least ok results. */
759 vbl_start
= adev
->mode_info
.crtcs
[crtc
]->base
.hwmode
.crtc_vdisplay
;
763 /* Test scanout position against vblank region. */
764 if ((*vpos
< vbl_start
) && (*vpos
>= vbl_end
))
767 /* Check if inside vblank area and apply corrective offsets:
768 * vpos will then be >=0 in video scanout area, but negative
769 * within vblank area, counting down the number of lines until
773 /* Inside "upper part" of vblank area? Apply corrective offset if so: */
774 if (in_vbl
&& (*vpos
>= vbl_start
)) {
775 vtotal
= adev
->mode_info
.crtcs
[crtc
]->base
.hwmode
.crtc_vtotal
;
776 *vpos
= *vpos
- vtotal
;
779 /* Correct for shifted end of vbl at vbl_end. */
780 *vpos
= *vpos
- vbl_end
;
784 ret
|= DRM_SCANOUTPOS_IN_VBLANK
;
786 /* Is vpos outside nominal vblank area, but less than
787 * 1/100 of a frame height away from start of vblank?
788 * If so, assume this isn't a massively delayed vblank
789 * interrupt, but a vblank interrupt that fired a few
790 * microseconds before true start of vblank. Compensate
791 * by adding a full frame duration to the final timestamp.
792 * Happens, e.g., on ATI R500, R600.
794 * We only do this if DRM_CALLED_FROM_VBLIRQ.
796 if ((flags
& DRM_CALLED_FROM_VBLIRQ
) && !in_vbl
) {
797 vbl_start
= adev
->mode_info
.crtcs
[crtc
]->base
.hwmode
.crtc_vdisplay
;
798 vtotal
= adev
->mode_info
.crtcs
[crtc
]->base
.hwmode
.crtc_vtotal
;
800 if (vbl_start
- *vpos
< vtotal
/ 100) {
803 /* Signal this correction as "applied". */
811 int amdgpu_crtc_idx_to_irq_type(struct amdgpu_device
*adev
, int crtc
)
813 if (crtc
< 0 || crtc
>= adev
->mode_info
.num_crtc
)
814 return AMDGPU_CRTC_IRQ_NONE
;
818 return AMDGPU_CRTC_IRQ_VBLANK1
;
820 return AMDGPU_CRTC_IRQ_VBLANK2
;
822 return AMDGPU_CRTC_IRQ_VBLANK3
;
824 return AMDGPU_CRTC_IRQ_VBLANK4
;
826 return AMDGPU_CRTC_IRQ_VBLANK5
;
828 return AMDGPU_CRTC_IRQ_VBLANK6
;
830 return AMDGPU_CRTC_IRQ_NONE
;