| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <202412071129.GeWL4VvN-lkp@intel.com>
Date: Mon, 9 Dec 2024 12:02:59 +0800
From: kernel test robot <lkp@...el.com>
To: Thomas Zimmermann <tzimmermann@...e.de>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Jonathan Cavitt <jonathan.cavitt@...el.com>
Subject: drivers/gpu/drm/drm_fb_helper.c:756:undefined reference to
`fb_set_suspend'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b5f217084ab3ddd4bdd03cd437f8e3b7e2d1f5b6
commit: dadd28d4142f9ad39eefb7b45ee7518bd4d2459c drm/client: Add client-lib module
date: 7 weeks ago
config: nios2-randconfig-002-20241207 (https://download.01.org/0day-ci/archive/20241207/202412071129.GeWL4VvN-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241207/202412071129.GeWL4VvN-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412071129.GeWL4VvN-lkp@intel.com/
All errors (new ones prefixed by >>):
nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend':
>> drivers/gpu/drm/drm_fb_helper.c:756:(.text+0x334): undefined reference to `fb_set_suspend'
>> drivers/gpu/drm/drm_fb_helper.c:756:(.text+0x334): relocation truncated to fit: R_NIOS2_CALL26 against `fb_set_suspend'
nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_resume_worker':
drivers/gpu/drm/drm_fb_helper.c:355:(.text+0x364): undefined reference to `fb_set_suspend'
drivers/gpu/drm/drm_fb_helper.c:355:(.text+0x364): relocation truncated to fit: R_NIOS2_CALL26 against `fb_set_suspend'
nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_alloc_info':
>> drivers/gpu/drm/drm_fb_helper.c:509:(.text+0x40c): undefined reference to `framebuffer_alloc'
>> drivers/gpu/drm/drm_fb_helper.c:509:(.text+0x40c): relocation truncated to fit: R_NIOS2_CALL26 against `framebuffer_alloc'
>> nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.c:516:(.text+0x430): undefined reference to `fb_alloc_cmap'
>> drivers/gpu/drm/drm_fb_helper.c:516:(.text+0x430): relocation truncated to fit: R_NIOS2_CALL26 against `fb_alloc_cmap'
>> nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.c:527:(.text+0x46c): undefined reference to `framebuffer_release'
>> drivers/gpu/drm/drm_fb_helper.c:527:(.text+0x46c): relocation truncated to fit: R_NIOS2_CALL26 against `framebuffer_release'
nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_release_info':
>> drivers/gpu/drm/drm_fb_helper.c:551:(.text+0x4a0): undefined reference to `framebuffer_release'
drivers/gpu/drm/drm_fb_helper.c:551:(.text+0x4a0): relocation truncated to fit: R_NIOS2_CALL26 against `framebuffer_release'
>> nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.c:550:(.text+0x4b8): undefined reference to `fb_dealloc_cmap'
>> drivers/gpu/drm/drm_fb_helper.c:550:(.text+0x4b8): relocation truncated to fit: R_NIOS2_CALL26 against `fb_dealloc_cmap'
nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_unregister_info':
>> drivers/gpu/drm/drm_fb_helper.c:570:(.text+0x4cc): undefined reference to `unregister_framebuffer'
>> drivers/gpu/drm/drm_fb_helper.c:570:(.text+0x4cc): relocation truncated to fit: R_NIOS2_CALL26 against `unregister_framebuffer'
nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend_unlocked':
drivers/gpu/drm/drm_fb_helper.c:801:(.text+0x1500): undefined reference to `fb_set_suspend'
drivers/gpu/drm/drm_fb_helper.c:801:(.text+0x1500): relocation truncated to fit: R_NIOS2_CALL26 against `fb_set_suspend'
nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `__drm_fb_helper_initial_config_and_unlock':
>> drivers/gpu/drm/drm_fb_helper.c:1839:(.text+0x1b5c): undefined reference to `register_framebuffer'
>> drivers/gpu/drm/drm_fb_helper.c:1839:(.text+0x1b5c): relocation truncated to fit: R_NIOS2_CALL26 against `register_framebuffer'
nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_fini':
drivers/gpu/drm/drm_fb_helper.c:551:(.text+0x1ed0): undefined reference to `framebuffer_release'
drivers/gpu/drm/drm_fb_helper.c:551:(.text+0x1ed0): additional relocation overflows omitted from the output
nios2-linux-ld: drivers/gpu/drm/drm_fb_helper.c:550:(.text+0x1f3c): undefined reference to `fb_dealloc_cmap'
vim +756 drivers/gpu/drm/drm_fb_helper.c
6a4fef21816be4 Thomas Zimmermann 2023-03-20 554
b8017d6c33be98 Archit Taneja 2015-07-22 555 /**
afb0ff78c13c51 Thomas Zimmermann 2022-11-03 556 * drm_fb_helper_unregister_info - unregister fb_info framebuffer device
02257549daf7ff Thomas Zimmermann 2024-09-24 557 * @fb_helper: driver-allocated fbdev helper, must not be NULL
b8017d6c33be98 Archit Taneja 2015-07-22 558 *
b8017d6c33be98 Archit Taneja 2015-07-22 559 * A wrapper around unregister_framebuffer, to release the fb_info
ed84e2542d2278 Simona Vetter 2017-02-07 560 * framebuffer device. This must be called before releasing all resources for
ed84e2542d2278 Simona Vetter 2017-02-07 561 * @fb_helper by calling drm_fb_helper_fini().
b8017d6c33be98 Archit Taneja 2015-07-22 562 */
afb0ff78c13c51 Thomas Zimmermann 2022-11-03 563 void drm_fb_helper_unregister_info(struct drm_fb_helper *fb_helper)
b8017d6c33be98 Archit Taneja 2015-07-22 564 {
02257549daf7ff Thomas Zimmermann 2024-09-24 565 struct fb_info *info = fb_helper->info;
02257549daf7ff Thomas Zimmermann 2024-09-24 566 struct device *dev = info->device;
02257549daf7ff Thomas Zimmermann 2024-09-24 567
02257549daf7ff Thomas Zimmermann 2024-09-24 568 if (dev_is_pci(dev))
02257549daf7ff Thomas Zimmermann 2024-09-24 569 vga_switcheroo_client_fb_set(to_pci_dev(dev), NULL);
9877d8f6bc3749 Thomas Zimmermann 2022-11-03 @570 unregister_framebuffer(fb_helper->info);
b8017d6c33be98 Archit Taneja 2015-07-22 571 }
afb0ff78c13c51 Thomas Zimmermann 2022-11-03 572 EXPORT_SYMBOL(drm_fb_helper_unregister_info);
b8017d6c33be98 Archit Taneja 2015-07-22 573
b8017d6c33be98 Archit Taneja 2015-07-22 574 /**
da7bdda2afdf1a Simona Vetter 2017-02-07 575 * drm_fb_helper_fini - finialize a &struct drm_fb_helper
c777990fb45b57 Noralf Trønnes 2017-10-30 576 * @fb_helper: driver-allocated fbdev helper, can be NULL
b8017d6c33be98 Archit Taneja 2015-07-22 577 *
6821603aa0ae3b Thomas Zimmermann 2019-11-14 578 * This cleans up all remaining resources associated with @fb_helper.
b8017d6c33be98 Archit Taneja 2015-07-22 579 */
da7bdda2afdf1a Simona Vetter 2017-02-07 580 void drm_fb_helper_fini(struct drm_fb_helper *fb_helper)
b8017d6c33be98 Archit Taneja 2015-07-22 581 {
29ad20b22c8f3a Noralf Trønnes 2017-10-30 582 if (!fb_helper)
29ad20b22c8f3a Noralf Trønnes 2017-10-30 583 return;
29ad20b22c8f3a Noralf Trønnes 2017-10-30 584
29ad20b22c8f3a Noralf Trønnes 2017-10-30 585 fb_helper->dev->fb_helper = NULL;
29ad20b22c8f3a Noralf Trønnes 2017-10-30 586
29ad20b22c8f3a Noralf Trønnes 2017-10-30 587 if (!drm_fbdev_emulation)
da7bdda2afdf1a Simona Vetter 2017-02-07 588 return;
da7bdda2afdf1a Simona Vetter 2017-02-07 589
b52f09c494507a Noralf Trønnes 2017-08-28 590 cancel_work_sync(&fb_helper->resume_work);
7aa3d63e1ad56c Thomas Zimmermann 2022-11-18 591 cancel_work_sync(&fb_helper->damage_work);
b52f09c494507a Noralf Trønnes 2017-08-28 592
6a4fef21816be4 Thomas Zimmermann 2023-03-20 593 drm_fb_helper_release_info(fb_helper);
f64c5573d253ab Simona Vetter 2015-08-25 594
a53ca63502e62c Chris Wilson 2016-11-29 595 mutex_lock(&kernel_fb_helper_lock);
4abe35204af82a Dave Airlie 2010-03-30 596 if (!list_empty(&fb_helper->kernel_fb_list)) {
4abe35204af82a Dave Airlie 2010-03-30 597 list_del(&fb_helper->kernel_fb_list);
4b4f99f57febb9 Thierry Reding 2017-03-29 598 if (list_empty(&kernel_fb_helper_list))
4abe35204af82a Dave Airlie 2010-03-30 599 unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);
4abe35204af82a Dave Airlie 2010-03-30 600 }
a53ca63502e62c Chris Wilson 2016-11-29 601 mutex_unlock(&kernel_fb_helper_lock);
4abe35204af82a Dave Airlie 2010-03-30 602
d81294afeecdac Noralf Trønnes 2019-05-31 603 if (!fb_helper->client.funcs)
d81294afeecdac Noralf Trønnes 2019-05-31 604 drm_client_release(&fb_helper->client);
4abe35204af82a Dave Airlie 2010-03-30 605 }
4abe35204af82a Dave Airlie 2010-03-30 606 EXPORT_SYMBOL(drm_fb_helper_fini);
785b93ef8c3097 Dave Airlie 2009-08-28 607
b1be5ba29374aa Thomas Zimmermann 2022-11-15 608 static void drm_fb_helper_add_damage_clip(struct drm_fb_helper *helper, u32 x, u32 y,
eaa434defaca17 Noralf Trønnes 2016-04-28 609 u32 width, u32 height)
eaa434defaca17 Noralf Trønnes 2016-04-28 610 {
9622349ea1b623 Thomas Zimmermann 2020-11-20 611 struct drm_clip_rect *clip = &helper->damage_clip;
eaa434defaca17 Noralf Trønnes 2016-04-28 612 unsigned long flags;
eaa434defaca17 Noralf Trønnes 2016-04-28 613
9622349ea1b623 Thomas Zimmermann 2020-11-20 614 spin_lock_irqsave(&helper->damage_lock, flags);
eaa434defaca17 Noralf Trønnes 2016-04-28 615 clip->x1 = min_t(u32, clip->x1, x);
eaa434defaca17 Noralf Trønnes 2016-04-28 616 clip->y1 = min_t(u32, clip->y1, y);
eaa434defaca17 Noralf Trønnes 2016-04-28 617 clip->x2 = max_t(u32, clip->x2, x + width);
eaa434defaca17 Noralf Trønnes 2016-04-28 618 clip->y2 = max_t(u32, clip->y2, y + height);
9622349ea1b623 Thomas Zimmermann 2020-11-20 619 spin_unlock_irqrestore(&helper->damage_lock, flags);
b1be5ba29374aa Thomas Zimmermann 2022-11-15 620 }
b1be5ba29374aa Thomas Zimmermann 2022-11-15 621
b1be5ba29374aa Thomas Zimmermann 2022-11-15 622 static void drm_fb_helper_damage(struct drm_fb_helper *helper, u32 x, u32 y,
b1be5ba29374aa Thomas Zimmermann 2022-11-15 623 u32 width, u32 height)
b1be5ba29374aa Thomas Zimmermann 2022-11-15 624 {
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 625 /*
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 626 * This function may be invoked by panic() to flush the frame
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 627 * buffer, where all CPUs except the panic CPU are stopped.
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 628 * During the following schedule_work(), the panic CPU needs
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 629 * the worker_pool lock, which might be held by a stopped CPU,
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 630 * causing schedule_work() and panic() to block. Return early on
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 631 * oops_in_progress to prevent this blocking.
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 632 */
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 633 if (oops_in_progress)
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 634 return;
833cd3e9ad8360 Qiuxu Zhuo 2024-07-03 635
b1be5ba29374aa Thomas Zimmermann 2022-11-15 636 drm_fb_helper_add_damage_clip(helper, x, y, width, height);
eaa434defaca17 Noralf Trønnes 2016-04-28 637
8b83e1a455382d Thomas Zimmermann 2022-11-18 638 schedule_work(&helper->damage_work);
eaa434defaca17 Noralf Trønnes 2016-04-28 639 }
eaa434defaca17 Noralf Trønnes 2016-04-28 640
ae25885bdf59fd Thomas Zimmermann 2022-06-21 641 /*
ae25885bdf59fd Thomas Zimmermann 2022-06-21 642 * Convert memory region into area of scanlines and pixels per
ae25885bdf59fd Thomas Zimmermann 2022-06-21 643 * scanline. The parameters off and len must not reach beyond
ae25885bdf59fd Thomas Zimmermann 2022-06-21 644 * the end of the framebuffer.
ae25885bdf59fd Thomas Zimmermann 2022-06-21 645 */
67b723f5b74254 Thomas Zimmermann 2022-02-09 646 static void drm_fb_helper_memory_range_to_clip(struct fb_info *info, off_t off, size_t len,
67b723f5b74254 Thomas Zimmermann 2022-02-09 647 struct drm_rect *clip)
67b723f5b74254 Thomas Zimmermann 2022-02-09 648 {
c8687694bb1f5c Sui Jingfeng 2023-04-20 649 u32 line_length = info->fix.line_length;
c8687694bb1f5c Sui Jingfeng 2023-04-20 650 u32 fb_height = info->var.yres;
67b723f5b74254 Thomas Zimmermann 2022-02-09 651 off_t end = off + len;
67b723f5b74254 Thomas Zimmermann 2022-02-09 652 u32 x1 = 0;
c8687694bb1f5c Sui Jingfeng 2023-04-20 653 u32 y1 = off / line_length;
67b723f5b74254 Thomas Zimmermann 2022-02-09 654 u32 x2 = info->var.xres;
c8687694bb1f5c Sui Jingfeng 2023-04-20 655 u32 y2 = DIV_ROUND_UP(end, line_length);
c8687694bb1f5c Sui Jingfeng 2023-04-20 656
c8687694bb1f5c Sui Jingfeng 2023-04-20 657 /* Don't allow any of them beyond the bottom bound of display area */
c8687694bb1f5c Sui Jingfeng 2023-04-20 658 if (y1 > fb_height)
c8687694bb1f5c Sui Jingfeng 2023-04-20 659 y1 = fb_height;
c8687694bb1f5c Sui Jingfeng 2023-04-20 660 if (y2 > fb_height)
c8687694bb1f5c Sui Jingfeng 2023-04-20 661 y2 = fb_height;
67b723f5b74254 Thomas Zimmermann 2022-02-09 662
ded74cafeea931 Thomas Zimmermann 2022-02-09 663 if ((y2 - y1) == 1) {
ded74cafeea931 Thomas Zimmermann 2022-02-09 664 /*
ded74cafeea931 Thomas Zimmermann 2022-02-09 665 * We've only written to a single scanline. Try to reduce
ded74cafeea931 Thomas Zimmermann 2022-02-09 666 * the number of horizontal pixels that need an update.
ded74cafeea931 Thomas Zimmermann 2022-02-09 667 */
c8687694bb1f5c Sui Jingfeng 2023-04-20 668 off_t bit_off = (off % line_length) * 8;
c8687694bb1f5c Sui Jingfeng 2023-04-20 669 off_t bit_end = (end % line_length) * 8;
ded74cafeea931 Thomas Zimmermann 2022-02-09 670
ded74cafeea931 Thomas Zimmermann 2022-02-09 671 x1 = bit_off / info->var.bits_per_pixel;
ded74cafeea931 Thomas Zimmermann 2022-02-09 672 x2 = DIV_ROUND_UP(bit_end, info->var.bits_per_pixel);
ded74cafeea931 Thomas Zimmermann 2022-02-09 673 }
ded74cafeea931 Thomas Zimmermann 2022-02-09 674
67b723f5b74254 Thomas Zimmermann 2022-02-09 675 drm_rect_init(clip, x1, y1, x2 - x1, y2 - y1);
67b723f5b74254 Thomas Zimmermann 2022-02-09 676 }
67b723f5b74254 Thomas Zimmermann 2022-02-09 677
c51b36207c04ba Thomas Zimmermann 2023-05-30 678 /* Don't use in new code. */
c51b36207c04ba Thomas Zimmermann 2023-05-30 679 void drm_fb_helper_damage_range(struct fb_info *info, off_t off, size_t len)
c51b36207c04ba Thomas Zimmermann 2023-05-30 680 {
c51b36207c04ba Thomas Zimmermann 2023-05-30 681 struct drm_fb_helper *fb_helper = info->par;
c51b36207c04ba Thomas Zimmermann 2023-05-30 682 struct drm_rect damage_area;
c51b36207c04ba Thomas Zimmermann 2023-05-30 683
c51b36207c04ba Thomas Zimmermann 2023-05-30 684 drm_fb_helper_memory_range_to_clip(info, off, len, &damage_area);
c51b36207c04ba Thomas Zimmermann 2023-05-30 685 drm_fb_helper_damage(fb_helper, damage_area.x1, damage_area.y1,
c51b36207c04ba Thomas Zimmermann 2023-05-30 686 drm_rect_width(&damage_area),
c51b36207c04ba Thomas Zimmermann 2023-05-30 687 drm_rect_height(&damage_area));
c51b36207c04ba Thomas Zimmermann 2023-05-30 688 }
c51b36207c04ba Thomas Zimmermann 2023-05-30 689 EXPORT_SYMBOL(drm_fb_helper_damage_range);
c51b36207c04ba Thomas Zimmermann 2023-05-30 690
c51b36207c04ba Thomas Zimmermann 2023-05-30 691 /* Don't use in new code. */
c51b36207c04ba Thomas Zimmermann 2023-05-30 692 void drm_fb_helper_damage_area(struct fb_info *info, u32 x, u32 y, u32 width, u32 height)
c51b36207c04ba Thomas Zimmermann 2023-05-30 693 {
c51b36207c04ba Thomas Zimmermann 2023-05-30 694 struct drm_fb_helper *fb_helper = info->par;
c51b36207c04ba Thomas Zimmermann 2023-05-30 695
c51b36207c04ba Thomas Zimmermann 2023-05-30 696 drm_fb_helper_damage(fb_helper, x, y, width, height);
c51b36207c04ba Thomas Zimmermann 2023-05-30 697 }
c51b36207c04ba Thomas Zimmermann 2023-05-30 698 EXPORT_SYMBOL(drm_fb_helper_damage_area);
c51b36207c04ba Thomas Zimmermann 2023-05-30 699
eaa434defaca17 Noralf Trønnes 2016-04-28 700 /**
eaa434defaca17 Noralf Trønnes 2016-04-28 701 * drm_fb_helper_deferred_io() - fbdev deferred_io callback function
eaa434defaca17 Noralf Trønnes 2016-04-28 702 * @info: fb_info struct pointer
e80eec1b871a2a Thomas Zimmermann 2022-04-29 703 * @pagereflist: list of mmap framebuffer pages that have to be flushed
eaa434defaca17 Noralf Trønnes 2016-04-28 704 *
6806cdf9aa1c82 Simona Vetter 2017-01-25 705 * This function is used as the &fb_deferred_io.deferred_io
eaa434defaca17 Noralf Trønnes 2016-04-28 706 * callback function for flushing the fbdev mmap writes.
eaa434defaca17 Noralf Trønnes 2016-04-28 707 */
e80eec1b871a2a Thomas Zimmermann 2022-04-29 708 void drm_fb_helper_deferred_io(struct fb_info *info, struct list_head *pagereflist)
eaa434defaca17 Noralf Trønnes 2016-04-28 709 {
93e81e38e19760 Thomas Zimmermann 2022-11-03 710 struct drm_fb_helper *helper = info->par;
24dc4f4c2a5cc9 Thomas Zimmermann 2023-03-20 711 unsigned long start, end, min_off, max_off, total_size;
56c134f7f1b58b Thomas Zimmermann 2022-04-29 712 struct fb_deferred_io_pageref *pageref;
67b723f5b74254 Thomas Zimmermann 2022-02-09 713 struct drm_rect damage_area;
eaa434defaca17 Noralf Trønnes 2016-04-28 714
ae25885bdf59fd Thomas Zimmermann 2022-06-21 715 min_off = ULONG_MAX;
ae25885bdf59fd Thomas Zimmermann 2022-06-21 716 max_off = 0;
e80eec1b871a2a Thomas Zimmermann 2022-04-29 717 list_for_each_entry(pageref, pagereflist, list) {
56c134f7f1b58b Thomas Zimmermann 2022-04-29 718 start = pageref->offset;
a3c286dcef7f8b Thomas Zimmermann 2022-02-09 719 end = start + PAGE_SIZE;
ae25885bdf59fd Thomas Zimmermann 2022-06-21 720 min_off = min(min_off, start);
ae25885bdf59fd Thomas Zimmermann 2022-06-21 721 max_off = max(max_off, end);
eaa434defaca17 Noralf Trønnes 2016-04-28 722 }
eaa434defaca17 Noralf Trønnes 2016-04-28 723
ae25885bdf59fd Thomas Zimmermann 2022-06-21 724 /*
ae25885bdf59fd Thomas Zimmermann 2022-06-21 725 * As we can only track pages, we might reach beyond the end
ae25885bdf59fd Thomas Zimmermann 2022-06-21 726 * of the screen and account for non-existing scanlines. Hence,
ae25885bdf59fd Thomas Zimmermann 2022-06-21 727 * keep the covered memory area within the screen buffer.
ae25885bdf59fd Thomas Zimmermann 2022-06-21 728 */
24dc4f4c2a5cc9 Thomas Zimmermann 2023-03-20 729 if (info->screen_size)
24dc4f4c2a5cc9 Thomas Zimmermann 2023-03-20 730 total_size = info->screen_size;
24dc4f4c2a5cc9 Thomas Zimmermann 2023-03-20 731 else
24dc4f4c2a5cc9 Thomas Zimmermann 2023-03-20 732 total_size = info->fix.smem_len;
24dc4f4c2a5cc9 Thomas Zimmermann 2023-03-20 733 max_off = min(max_off, total_size);
ae25885bdf59fd Thomas Zimmermann 2022-06-21 734
9b7232400d4e6a Thomas Zimmermann 2022-11-15 735 if (min_off < max_off) {
ae25885bdf59fd Thomas Zimmermann 2022-06-21 736 drm_fb_helper_memory_range_to_clip(info, min_off, max_off - min_off, &damage_area);
e3ddd2d25533d1 Thomas Zimmermann 2022-11-18 737 drm_fb_helper_damage(helper, damage_area.x1, damage_area.y1,
67b723f5b74254 Thomas Zimmermann 2022-02-09 738 drm_rect_width(&damage_area),
67b723f5b74254 Thomas Zimmermann 2022-02-09 739 drm_rect_height(&damage_area));
eaa434defaca17 Noralf Trønnes 2016-04-28 740 }
93e81e38e19760 Thomas Zimmermann 2022-11-03 741 }
eaa434defaca17 Noralf Trønnes 2016-04-28 742 EXPORT_SYMBOL(drm_fb_helper_deferred_io);
eaa434defaca17 Noralf Trønnes 2016-04-28 743
fdefa58a5097b3 Archit Taneja 2015-07-31 744 /**
fdefa58a5097b3 Archit Taneja 2015-07-31 745 * drm_fb_helper_set_suspend - wrapper around fb_set_suspend
c777990fb45b57 Noralf Trønnes 2017-10-30 746 * @fb_helper: driver-allocated fbdev helper, can be NULL
28579f37467cd1 Simona Vetter 2016-08-23 747 * @suspend: whether to suspend or resume
fdefa58a5097b3 Archit Taneja 2015-07-31 748 *
cfe63423d9be3e Noralf Trønnes 2016-08-23 749 * A wrapper around fb_set_suspend implemented by fbdev core.
cfe63423d9be3e Noralf Trønnes 2016-08-23 750 * Use drm_fb_helper_set_suspend_unlocked() if you don't need to take
cfe63423d9be3e Noralf Trønnes 2016-08-23 751 * the lock yourself
fdefa58a5097b3 Archit Taneja 2015-07-31 752 */
28579f37467cd1 Simona Vetter 2016-08-23 753 void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, bool suspend)
fdefa58a5097b3 Archit Taneja 2015-07-31 754 {
9877d8f6bc3749 Thomas Zimmermann 2022-11-03 755 if (fb_helper && fb_helper->info)
9877d8f6bc3749 Thomas Zimmermann 2022-11-03 @756 fb_set_suspend(fb_helper->info, suspend);
fdefa58a5097b3 Archit Taneja 2015-07-31 757 }
fdefa58a5097b3 Archit Taneja 2015-07-31 758 EXPORT_SYMBOL(drm_fb_helper_set_suspend);
fdefa58a5097b3 Archit Taneja 2015-07-31 759
:::::: The code at line 756 was first introduced by commit
:::::: 9877d8f6bc374912b08dfe862cddbb78b395a5ef drm/fb_helper: Rename field fbdev to info in struct drm_fb_helper
:::::: TO: Thomas Zimmermann <tzimmermann@...e.de>
:::::: CC: Thomas Zimmermann <tzimmermann@...e.de>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Powered by blists - more mailing lists