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Message-ID: <CANyH0kBTsfMoTM3vksW=dS8bxPNxZHjJFRji6eBEmzt=NRXf_w@mail.gmail.com>
Date: Thu, 20 Jun 2024 10:30:20 -0400
From: Hoi Pok Wu <wuhoipok@...il.com>
To: Thomas Zimmermann <tzimmermann@...e.de>
Cc: Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
"Pan, Xinhui" <Xinhui.Pan@....com>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
"open list:RADEON and AMDGPU DRM DRIVERS" <amd-gfx@...ts.freedesktop.org>,
"open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/radeon: remove load callback
Dear Thomas,
Thank you for testing my patch. The dev->dev_private is indeed the problem.
However, most of the functions that uses dev->dev_private is passing
drm_device as parameter, and then uses dev->dev_private to retrieve
radeon_device,
contradicting what the patch intended. It should use radeon_device directly.
Should I send a follow up patch with the updated patch?
Thank you.
Best Regards
Wu
On Wed, Jun 19, 2024 at 10:28 AM Thomas Zimmermann <tzimmermann@...e.de> wrote:
>
> Hi
>
> Am 07.06.24 um 03:14 schrieb wu hoi pok:
> > this patch is to remove the load callback from the kms_driver,
> > following closly to amdgpu, radeon_driver_load_kms and devm_drm_dev_alloc
> > are used, most of the changes here are rdev->ddev to rdev_to_drm,
> > which maps to adev_to_drm in amdgpu. however this patch is not tested on
> > hardware, so if you are free and have a gcn1 gcn2 card please do so.
> >
> > Signed-off-by: wu hoi pok <wuhoipok@...il.com>
>
> I volunteer for testing. The test device is
>
> 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
> [AMD/ATI] Turks PRO [Radeon HD 6570/7570/8550 / R5 230] (prog-if 00 [VGA
> controller])
> Subsystem: PC Partner Limited / Sapphire Technology Device e193
> Flags: bus master, fast devsel, latency 0, IRQ 147
> Memory at c0000000 (64-bit, prefetchable) [size=256M]
> Memory at dfe20000 (64-bit, non-prefetchable) [size=128K]
> I/O ports at e000 [size=256]
> Expansion ROM at 000c0000 [disabled] [size=128K]
> Capabilities: <access denied>
> Kernel driver in use: radeon
> Kernel modules: radeon, amdgpu
>
>
> With the current patch, the driver crashes upon booting. Here is your
> backtrace:
>
> [ 24.013524] Console: switching to colour dummy device 80x25
> [ 24.021093] radeon 0000:01:00.0: vgaarb: deactivate vga console
> [ 24.031806] [drm] initializing kernel modesetting (TURKS
> 0x1002:0x6759 0x174B:0xE193 0x00).
> [ 24.041066] ATOM BIOS: YODA
> [ 24.043930]
> ==================================================================
> [ 24.051195] BUG: KASAN: user-memory-access in
> radeon_atom_initialize_bios_scratch_regs+0x33/0x110 [radeon]
> [ 24.061287] Read of size 4 at addr 0000000000001058 by task
> (udev-worker)/349
> [ 24.061292]
> [ 24.061295] CPU: 3 PID: 349 Comm: (udev-worker) Tainted: G U
> E 6.10.0-rc4-1-default+ #2977
> [ 24.061301] Hardware name: System manufacturer System Product
> Name/Z170-A, BIOS 3802 03/15/2018
> [ 24.061305] Call Trace:
> [ OK 24.061308] <TASK>
> [ 24.061313] dump_stack_lvl+0x68/0x90
> [ 24.061322] ? radeon_atom_initialize_bios_scratch_regs+0x33/0x110
> [radeon]
> 0m] Finished 24.105026] kasan_report+0xcf/0x1a0
> [ 24.105039] ? radeon_atom_initialize_bios_scratch_regs+0x33/0x110
> [radeon]
> ;1;39mCreate Vol[ 24.117055] ? __pfx_cail_ioreg_read+0x10/0x10 [radeon]
> atile Files and [ 24.123698]
> radeon_atom_initialize_bios_scratch_regs+0x33/0x110 [radeon]
> Directories.[ 24.131933] radeon_atombios_init+0x192/0x220 [radeon]
>
> [ 24.138506] evergreen_init+0x57/0x400 [radeon]
> [ 24.143473] radeon_device_init+0x8f2/0x1040 [radeon]
> [ 24.148897] ? down_read_failed+0x7/0x410
> [ 24.152936] ? ksm_might_need_to_copy+0x10/0x280
> [ 24.157594] radeon_driver_load_kms+0xe3/0x330 [radeon]
> [ 24.163198] radeon_pci_probe+0x117/0x180 [radeon]
> [ 24.168431] ? __pfx_radeon_pci_probe+0x10/0x10 [radeon]
> [ 24.174161] local_pci_probe+0x74/0xc0
> [ 24.177945] pci_call_probe+0xc6/0x260
> [ 24.181727] ? __pfx_pci_call_probe+0x10/0x10
> [ 24.186118] ? do_raw_spin_trylock+0xb0/0xf0
> [ 24.190439] ? pci_match_device+0x1c5/0x240
> [ 24.194651] ? pci_match_id+0x102/0x150
> [ 24.198522] ? pci_match_device+0x1dd/0x240
> [ 24.202752] pci_device_probe+0x9d/0x150
> [ 24.206705] ? driver_sysfs_add+0xb0/0x130
> [ 24.210838] really_probe+0x13b/0x490
> [ 24.214547] __driver_probe_device+0xca/0x1b0
> [ 24.218943] driver_probe_device+0x4a/0xf0
> [ 24.223073] __driver_attach+0x136/0x290
> [ 24.227032] ? __pfx___driver_attach+0x10/0x10
> [ 24.231508] bus_for_each_dev+0xc0/0x110
> [ 24.235465] ? __pfx_bus_for_each_dev+0x10/0x10
> [ 24.240032] ? bus_add_driver+0x17a/0x2b0
> [ 24.244079] bus_add_driver+0x19a/0x2b0
> [ 24.247950] driver_register+0xc5/0x140
> [ 24.251817] ? __pfx_radeon_module_init+0x10/0x10 [radeon]
> [ 24.257674] do_one_initcall+0xbc/0x390
> [ 24.261542] ? __pfx_do_one_initcall+0x10/0x10
> [ 24.266022] ? kasan_unpoison+0x40/0x70
> [ 24.269891] ? rcu_is_watching+0x34/0x60
> [ 24.273849] ? kmalloc_trace_noprof+0x286/0x320
> [ 24.278415] ? do_init_module+0x38/0x3a0
> [ 24.282387] ? kasan_unpoison+0x40/0x70
> [ 24.286264] do_init_module+0x13a/0x3a0
> [ 24.290133] init_module_from_file+0xc0/0x100
> [ 24.294523] ? __pfx_init_module_from_file+0x10/0x10
> [ 24.299522] ? __lock_release.isra.0+0x132/0x4f0
> [ 24.304185] ? do_raw_spin_unlock+0x83/0xe0
> [ 24.304209] idempotent_init_module+0x1b7/0x3e0
> [ 24.304217] ? __pfx_idempotent_init_module+0x10/0x10
> [ 24.304244] ? security_capable+0x2e/0x80
> [ 24.322122] __x64_sys_finit_module+0x78/0xd0
> [ 24.326527] do_syscall_64+0x69/0x140
> [ 24.330223] entry_SYSCALL_64_after_hwframe+0x76/0x7e
> [ 24.335316] RIP: 0033:0x7f23d81e0bcd
> [ 24.338937] Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 90 90
> 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f
> 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1b d2 0d 00 f7 d8 64 89 01 48
> [ 24.357784] RSP: 002b:00007ffc0ab94858 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000139
> [ 24.365430] RAX: ffffffffffffffda RBX: 0000556312b67370 RCX:
> 00007f23d81e0bcd
> [ 24.372610] RDX: 0000000000000000 RSI: 00007f23d82ea061 RDI:
> 0000000000000025
> [ 24.379787] RBP: 00007f23d82ea061 R08: 0000000000000001 R09:
> 0000556312b65820
> [ 24.386960] R10: 0000000000000050 R11: 0000000000000246 R12:
> 0000000000020000
> [ 24.394138] R13: 0000000000000000 R14: 0000556312b70880 R15:
> 0000000000000000
> [ 24.401323] </TASK>
> [ 24.403530]
> ==================================================================
> [ 24.410813] Disabling lock debugging due to kernel taint
> [ 24.416165] BUG: unable to handle page fault for address:
> 0000000000001058
> [ 24.423072] #PF: supervisor read access in kernel mode
> [ 24.428245] #PF: error_code(0x0000) - not-present page
> [ 24.433416] PGD 0 P4D 0
> [ 24.435984] Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
> [ 24.441240] CPU: 3 PID: 349 Comm: (udev-worker) Tainted: G BU
> E 6.10.0-rc4-1-default+ #2977
> [ 24.450775] Hardware name: System manufacturer System Product
> Name/Z170-A, BIOS 3802 03/15/2018
> [ 24.459512] RIP:
> 0010:radeon_atom_initialize_bios_scratch_regs+0x33/0x110 [radeon]
> [ 24.467461] Code: 41 54 55 53 48 89 fb 48 83 c7 78 e8 e7 17 cd e7 48
> 8b 5b 78 4c 8d b3 58 10 00 00 4c 8d ab 08 14 00 00 4c 89 f7 e8 9d 16 cd
> e7 <8b> ab 58 10 00 00 4c 89 ef e8 bf 17 cd e7 48 8b 83 08 14 00 00 83
> [ 24.486310] RSP: 0018:ffffc90001bdf748 EFLAGS: 00010282
> [ 24.491565] RAX: 0000000000000001 RBX: 0000000000000000 RCX:
> ffffffffa8116556
> [ 24.498736] RDX: fffffbfff584b7d5 RSI: 0000000000000008 RDI:
> ffffffffac25bea0
> [ 24.505934] RBP: ffff8881398b8000 R08: 0000000000000001 R09:
> fffffbfff584b7d4
> [ 24.513105] R10: ffffffffac25bea7 R11: 0000000000000001 R12:
> ffff8881398b8008
> [ 24.520284] R13: 0000000000001408 R14: 0000000000001058 R15:
> ffffffffc08ffb00
> [ 24.527458] FS: 00007f23d7627900(0000) GS:ffff88841d800000(0000)
> knlGS:0000000000000000
> [ 24.535591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 24.541396] CR2: 0000000000001058 CR3: 0000000104e24003 CR4:
> 00000000003706f0
> [ 24.548568] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [ 24.555741] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [ 24.562916] Call Trace:
> [ 24.565390] <TASK>
> [ 24.567511] ? show_trace_log_lvl+0x1af/0x2c0
> [ 24.571896] ? show_trace_log_lvl+0x1af/0x2c0
> [ 24.576281] ? show_trace_log_lvl+0x1af/0x2c0
> [ 24.580679] ? radeon_atombios_init+0x192/0x220 [radeon]
> [ 24.586355] ? __die_body.cold+0x8/0x12
> [ 24.590220] ? page_fault_oops+0xed/0x190
> [ 24.594258] ? __pfx_page_fault_oops+0x10/0x10
> [ 24.598736] ? do_user_addr_fault+0x44f/0x710
> [ 24.603129] ? rcu_is_watching+0x34/0x60
> [ 24.607088] ? exc_page_fault+0x65/0xf0
> [ 24.610956] ? asm_exc_page_fault+0x22/0x30
> [ 24.615174] ? __pfx_cail_ioreg_read+0x10/0x10 [radeon]
> [ 24.620831] ? add_taint+0x26/0x70
> [ 24.624246] ? radeon_atom_initialize_bios_scratch_regs+0x33/0x110
> [radeon]
> [ 24.631556] ? radeon_atom_initialize_bios_scratch_regs+0x33/0x110
> [radeon]
> [ 24.638844] radeon_atombios_init+0x192/0x220 [radeon]
> [ 24.644309] evergreen_init+0x57/0x400 [radeon]
> [ 24.649237] radeon_device_init+0x8f2/0x1040 [radeon]
> [ 24.654662] ? down_read_failed+0x7/0x410
> [ 24.658670] ? ksm_might_need_to_copy+0x10/0x280
> [ 24.663309] radeon_driver_load_kms+0xe3/0x330 [radeon]
> [ 24.668892] radeon_pci_probe+0x117/0x180 [radeon]
> [ 24.674012] ? __pfx_radeon_pci_probe+0x10/0x10 [radeon]
> [ 24.679651] local_pci_probe+0x74/0xc0
> [ 24.683405] pci_call_probe+0xc6/0x260
> [ 24.687158] ? __pfx_pci_call_probe+0x10/0x10
> [ 24.691512] ? do_raw_spin_trylock+0xb0/0xf0
> [ 24.695789] ? pci_match_device+0x1c5/0x240
> [ 24.699974] ? pci_match_id+0x102/0x150
> [ 24.703809] ? pci_match_device+0x1dd/0x240
> [ 24.708000] pci_device_probe+0x9d/0x150
> [ 24.711924] ? driver_sysfs_add+0xb0/0x130
> [ 24.716029] really_probe+0x13b/0x490
> [ 24.719700] __driver_probe_device+0xca/0x1b0
> [ 24.724059] driver_probe_device+0x4a/0xf0
> [ 24.728162] __driver_attach+0x136/0x290
> [ 24.732106] ? __pfx___driver_attach+0x10/0x10
> [ 24.736551] bus_for_each_dev+0xc0/0x110
> [ 24.740481] ? __pfx_bus_for_each_dev+0x10/0x10
> [ 24.745013] ? bus_add_driver+0x17a/0x2b0
> [ 24.749033] bus_add_driver+0x19a/0x2b0
> [ 24.752875] driver_register+0xc5/0x140
> [ 24.756713] ? __pfx_radeon_module_init+0x10/0x10 [radeon]
> [ 24.762519] do_one_initcall+0xbc/0x390
> [ 24.766357] ? __pfx_do_one_initcall+0x10/0x10
> [ 24.770806] ? kasan_unpoison+0x40/0x70
> [ 24.774650] ? rcu_is_watching+0x34/0x60
> [ 24.778589] ? kmalloc_trace_noprof+0x286/0x320
> [ 24.783118] ? do_init_module+0x38/0x3a0
> [ 24.787048] ? kasan_unpoison+0x40/0x70
> [ 24.790894] do_init_module+0x13a/0x3a0
> [ 24.794737] init_module_from_file+0xc0/0x100
> [ 24.799095] ? __pfx_init_module_from_file+0x10/0x10
> [ 24.804060] ? __lock_release.isra.0+0x132/0x4f0
> [ 24.808687] ? do_raw_spin_unlock+0x83/0xe0
> [ 24.812875] idempotent_init_module+0x1b7/0x3e0
> [ 24.817425] ? __pfx_idempotent_init_module+0x10/0x10
> [ 24.822493] ? security_capable+0x2e/0x80
> [ 24.826514] __x64_sys_finit_module+0x78/0xd0
> [ 24.830870] do_syscall_64+0x69/0x140
> [ 24.834539] entry_SYSCALL_64_after_hwframe+0x76/0x7e
> [ 24.839591] RIP: 0033:0x7f23d81e0bcd
> [ 24.843171] Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 90 90
> 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f
> 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1b d2 0d 00 f7 d8 64 89 01 48
> [ 24.861883] RSP: 002b:00007ffc0ab94858 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000139
> [ 24.869444] RAX: ffffffffffffffda RBX: 0000556312b67370 RCX:
> 00007f23d81e0bcd
> [ 24.876569] RDX: 0000000000000000 RSI: 00007f23d82ea061 RDI:
> 0000000000000025
> [ 24.883693] RBP: 00007f23d82ea061 R08: 0000000000000001 R09:
> 0000556312b65820
> [ 24.890819] R10: 0000000000000050 R11: 0000000000000246 R12:
> 0000000000020000
> [ 24.897943] R13: 0000000000000000 R14: 0000556312b70880 R15:
> 0000000000000000
> [ 24.905085] </TASK>
> [ 24.907299] Modules linked in: radeon(E+) crct10dif_pclmul(E)
> crc32_pclmul(E) ghash_clmulni_intel(E) sha512_ssse3(E) drm_ttm_helper(E)
> sha256_ssse3(E) ttm(E) sha1_ssse3(E) video(E) hid_generic(E)
> aesni_intel(E) crypto_simd(E) cryptd(E)
> [ 24.942885] CR2: 0000000000001058
> [ 24.946201] ---[ end trace 0000000000000000 ]---
> [ 24.950810] RIP:
> 0010:radeon_atom_initialize_bios_scratch_regs+0x33/0x110 [radeon]
> [ 24.958700] Code: 41 54 55 53 48 89 fb 48 83 c7 78 e8 e7 17 cd e7 48
> 8b 5b 78 4c 8d b3 58 10 00 00 4c 8d ab 08 14 00 00 4c 89 f7 e8 9d 16 cd
> e7 <8b> ab 58 10 00 00 4c 89 ef e8 bf 17 cd e7 48 8b 83 08 14 00 00 83
> [ 24.977427] RSP: 0018:ffffc90001bdf748 EFLAGS: 00010282
> [ 24.982648] RAX: 0000000000000001 RBX: 0000000000000000 RCX:
> ffffffffa8116556
> [ 24.989769] RDX: fffffbfff584b7d5 RSI: 0000000000000008 RDI:
> ffffffffac25bea0
> [ 24.996891] RBP: ffff8881398b8000 R08: 0000000000000001 R09:
> fffffbfff584b7d4
> [ 25.004016] R10: ffffffffac25bea7 R11: 0000000000000001 R12:
> ffff8881398b8008
> [ 25.011140] R13: 0000000000001408 R14: 0000000000001058 R15:
> ffffffffc08ffb00
> [ 25.018265] FS: 00007f23d7627900(0000) GS:ffff88841d800000(0000)
> knlGS:0000000000000000
> [ 25.026339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 25.032076] CR2: 0000000000001058 CR3: 0000000104e24003 CR4:
> 00000000003706f0
> [ 25.039209] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [ 25.046329] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
>
>
> Building with W=1 also shows the following warnings:
>
>
> drivers/gpu/drm/radeon/radeon_kms.c:105: warning: Function parameter or
> struct member 'rdev' not described in 'radeon_driver_load_kms'
> drivers/gpu/drm/radeon/radeon_kms.c:105: warning: Excess function
> parameter 'dev' description in 'radeon_driver_load_kms'
> drivers/gpu/drm/radeon/radeon_device.c:1280: warning: Excess function
> parameter 'ddev' description in 'radeon_device_init'
> drivers/gpu/drm/radeon/radeon_device.c:1280: warning: Excess function
> parameter 'pdev' description in 'radeon_device_init'
>
>
> I suggest to turn this patch into a little series. First do the trival
> conversion from rdev->dev to rdev_to_drm() without any internal changes.
> Then do the rest in a separate patch.
>
>
> [...]
> > @@ -569,7 +578,7 @@ static const struct drm_ioctl_desc radeon_ioctls_kms[] = {
> > static const struct drm_driver kms_driver = {
> > .driver_features =
> > DRIVER_GEM | DRIVER_RENDER | DRIVER_MODESET,
> > - .load = radeon_driver_load_kms,
> > + // .load = radeon_driver_load_kms,
>
> Please remove this line instead of out-commenting it.
>
> > .open = radeon_driver_open_kms,
> > .postclose = radeon_driver_postclose_kms,
> > .unload = radeon_driver_unload_kms,
> > diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
> > index 02a65971d140..6c1eb75a951b 100644
> [...]
> > -int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
> > +int radeon_driver_load_kms(struct radeon_device *rdev, unsigned long flags)
> > {
> > - struct pci_dev *pdev = to_pci_dev(dev->dev);
> > - struct radeon_device *rdev;
> > + struct pci_dev *pdev = rdev->pdev;
> > + struct drm_device *dev = rdev_to_drm(rdev);
> > int r, acpi_status;
> >
> > - rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL);
> > - if (rdev == NULL) {
> > - return -ENOMEM;
> > - }
> > - dev->dev_private = (void *)rdev;
>
> You still need to set dev->dev_private = rdev or the driver will crash.
> I'd assume that this is the cause for the stack trace.
>
> If you have an updated patchset, I can test again.
>
> Best regards
> Thomas
>
> > -
> > #ifdef __alpha__
> > rdev->hose = pdev->sysdata;
> > #endif
> >
> > if (pci_find_capability(pdev, PCI_CAP_ID_AGP))
> > - rdev->agp = radeon_agp_head_init(dev);
> > + rdev->agp = radeon_agp_head_init(rdev_to_drm(rdev));
> > if (rdev->agp) {
> > rdev->agp->agp_mtrr = arch_phys_wc_add(
> > rdev->agp->agp_info.aper_base,
> > @@ -147,7 +141,7 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
> > * properly initialize the GPU MC controller and permit
> > * VRAM allocation
> > */
> > - r = radeon_device_init(rdev, dev, pdev, flags);
> > + r = radeon_device_init(rdev, flags);
> > if (r) {
> > dev_err(dev->dev, "Fatal error during GPU init\n");
> > goto out;
> > diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
> > index a955f8a2f7fe..450ff7daa46c 100644
> > --- a/drivers/gpu/drm/radeon/radeon_object.c
> > +++ b/drivers/gpu/drm/radeon/radeon_object.c
> > @@ -150,7 +150,7 @@ int radeon_bo_create(struct radeon_device *rdev,
> > bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL);
> > if (bo == NULL)
> > return -ENOMEM;
> > - drm_gem_private_object_init(rdev->ddev, &bo->tbo.base, size);
> > + drm_gem_private_object_init(rdev_to_drm(rdev), &bo->tbo.base, size);
> > bo->rdev = rdev;
> > bo->surface_reg = -1;
> > INIT_LIST_HEAD(&bo->list);
> > diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
> > index 2d9d9f46f243..b4fb7e70320b 100644
> > --- a/drivers/gpu/drm/radeon/radeon_pm.c
> > +++ b/drivers/gpu/drm/radeon/radeon_pm.c
> > @@ -282,7 +282,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
> >
> > if (rdev->irq.installed) {
> > i = 0;
> > - drm_for_each_crtc(crtc, rdev->ddev) {
> > + drm_for_each_crtc(crtc, rdev_to_drm(rdev)) {
> > if (rdev->pm.active_crtcs & (1 << i)) {
> > /* This can fail if a modeset is in progress */
> > if (drm_crtc_vblank_get(crtc) == 0)
> > @@ -299,7 +299,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
> >
> > if (rdev->irq.installed) {
> > i = 0;
> > - drm_for_each_crtc(crtc, rdev->ddev) {
> > + drm_for_each_crtc(crtc, rdev_to_drm(rdev)) {
> > if (rdev->pm.req_vblank & (1 << i)) {
> > rdev->pm.req_vblank &= ~(1 << i);
> > drm_crtc_vblank_put(crtc);
> > @@ -671,7 +671,7 @@ static ssize_t radeon_hwmon_show_temp(struct device *dev,
> > char *buf)
> > {
> > struct radeon_device *rdev = dev_get_drvdata(dev);
> > - struct drm_device *ddev = rdev->ddev;
> > + struct drm_device *ddev = rdev_to_drm(rdev);
> > int temp;
> >
> > /* Can't get temperature when the card is off */
> > @@ -715,7 +715,7 @@ static ssize_t radeon_hwmon_show_sclk(struct device *dev,
> > struct device_attribute *attr, char *buf)
> > {
> > struct radeon_device *rdev = dev_get_drvdata(dev);
> > - struct drm_device *ddev = rdev->ddev;
> > + struct drm_device *ddev = rdev_to_drm(rdev);
> > u32 sclk = 0;
> >
> > /* Can't get clock frequency when the card is off */
> > @@ -740,7 +740,7 @@ static ssize_t radeon_hwmon_show_vddc(struct device *dev,
> > struct device_attribute *attr, char *buf)
> > {
> > struct radeon_device *rdev = dev_get_drvdata(dev);
> > - struct drm_device *ddev = rdev->ddev;
> > + struct drm_device *ddev = rdev_to_drm(rdev);
> > u16 vddc = 0;
> >
> > /* Can't get vddc when the card is off */
> > @@ -1692,7 +1692,7 @@ void radeon_pm_fini(struct radeon_device *rdev)
> >
> > static void radeon_pm_compute_clocks_old(struct radeon_device *rdev)
> > {
> > - struct drm_device *ddev = rdev->ddev;
> > + struct drm_device *ddev = rdev_to_drm(rdev);
> > struct drm_crtc *crtc;
> > struct radeon_crtc *radeon_crtc;
> >
> > @@ -1765,7 +1765,7 @@ static void radeon_pm_compute_clocks_old(struct radeon_device *rdev)
> >
> > static void radeon_pm_compute_clocks_dpm(struct radeon_device *rdev)
> > {
> > - struct drm_device *ddev = rdev->ddev;
> > + struct drm_device *ddev = rdev_to_drm(rdev);
> > struct drm_crtc *crtc;
> > struct radeon_crtc *radeon_crtc;
> > struct radeon_connector *radeon_connector;
> > @@ -1826,7 +1826,7 @@ static bool radeon_pm_in_vbl(struct radeon_device *rdev)
> > */
> > for (crtc = 0; (crtc < rdev->num_crtc) && in_vbl; crtc++) {
> > if (rdev->pm.active_crtcs & (1 << crtc)) {
> > - vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev,
> > + vbl_status = radeon_get_crtc_scanoutpos(rdev_to_drm(rdev),
> > crtc,
> > USE_REAL_VBLANKSTART,
> > &vpos, &hpos, NULL, NULL,
> > @@ -1918,7 +1918,7 @@ static void radeon_dynpm_idle_work_handler(struct work_struct *work)
> > static int radeon_debugfs_pm_info_show(struct seq_file *m, void *unused)
> > {
> > struct radeon_device *rdev = m->private;
> > - struct drm_device *ddev = rdev->ddev;
> > + struct drm_device *ddev = rdev_to_drm(rdev);
> >
> > if ((rdev->flags & RADEON_IS_PX) &&
> > (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) {
> > @@ -1955,7 +1955,7 @@ DEFINE_SHOW_ATTRIBUTE(radeon_debugfs_pm_info);
> > static void radeon_debugfs_pm_init(struct radeon_device *rdev)
> > {
> > #if defined(CONFIG_DEBUG_FS)
> > - struct dentry *root = rdev->ddev->primary->debugfs_root;
> > + struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
> >
> > debugfs_create_file("radeon_pm_info", 0444, root, rdev,
> > &radeon_debugfs_pm_info_fops);
> > diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
> > index 8d1d458286a8..581ae20c46e4 100644
> > --- a/drivers/gpu/drm/radeon/radeon_ring.c
> > +++ b/drivers/gpu/drm/radeon/radeon_ring.c
> > @@ -550,7 +550,7 @@ static void radeon_debugfs_ring_init(struct radeon_device *rdev, struct radeon_r
> > {
> > #if defined(CONFIG_DEBUG_FS)
> > const char *ring_name = radeon_debugfs_ring_idx_to_name(ring->idx);
> > - struct dentry *root = rdev->ddev->primary->debugfs_root;
> > + struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
> >
> > if (ring_name)
> > debugfs_create_file(ring_name, 0444, root, ring,
> > diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
> > index 5c65b6dfb99a..69d0c12fa419 100644
> > --- a/drivers/gpu/drm/radeon/radeon_ttm.c
> > +++ b/drivers/gpu/drm/radeon/radeon_ttm.c
> > @@ -682,8 +682,8 @@ int radeon_ttm_init(struct radeon_device *rdev)
> >
> > /* No others user of address space so set it to 0 */
> > r = ttm_device_init(&rdev->mman.bdev, &radeon_bo_driver, rdev->dev,
> > - rdev->ddev->anon_inode->i_mapping,
> > - rdev->ddev->vma_offset_manager,
> > + rdev_to_drm(rdev)->anon_inode->i_mapping,
> > + rdev_to_drm(rdev)->vma_offset_manager,
> > rdev->need_swiotlb,
> > dma_addressing_limited(&rdev->pdev->dev));
> > if (r) {
> > @@ -890,7 +890,7 @@ static const struct file_operations radeon_ttm_gtt_fops = {
> > static void radeon_ttm_debugfs_init(struct radeon_device *rdev)
> > {
> > #if defined(CONFIG_DEBUG_FS)
> > - struct drm_minor *minor = rdev->ddev->primary;
> > + struct drm_minor *minor = rdev_to_drm(rdev)->primary;
> > struct dentry *root = minor->debugfs_root;
> >
> > debugfs_create_file("radeon_vram", 0444, root, rdev,
> > diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
> > index d4d1501e6576..d6c18fd740ec 100644
> > --- a/drivers/gpu/drm/radeon/rs400.c
> > +++ b/drivers/gpu/drm/radeon/rs400.c
> > @@ -379,7 +379,7 @@ DEFINE_SHOW_ATTRIBUTE(rs400_debugfs_gart_info);
> > static void rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
> > {
> > #if defined(CONFIG_DEBUG_FS)
> > - struct dentry *root = rdev->ddev->primary->debugfs_root;
> > + struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
> >
> > debugfs_create_file("rs400_gart_info", 0444, root, rdev,
> > &rs400_debugfs_gart_info_fops);
> > @@ -474,7 +474,7 @@ int rs400_resume(struct radeon_device *rdev)
> > RREG32(R_0007C0_CP_STAT));
> > }
> > /* post */
> > - radeon_combios_asic_init(rdev->ddev);
> > + radeon_combios_asic_init(rdev_to_drm(rdev));
> > /* Resume clock after posting */
> > r300_clock_startup(rdev);
> > /* Initialize surface registers */
> > @@ -552,7 +552,7 @@ int rs400_init(struct radeon_device *rdev)
> > return -EINVAL;
> >
> > /* Initialize clocks */
> > - radeon_get_clock_info(rdev->ddev);
> > + radeon_get_clock_info(rdev_to_drm(rdev));
> > /* initialize memory controller */
> > rs400_mc_init(rdev);
> > /* Fence driver */
> > diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
> > index 5c162778899b..88c8e91ea651 100644
> > --- a/drivers/gpu/drm/radeon/rs600.c
> > +++ b/drivers/gpu/drm/radeon/rs600.c
> > @@ -321,7 +321,7 @@ void rs600_pm_misc(struct radeon_device *rdev)
> >
> > void rs600_pm_prepare(struct radeon_device *rdev)
> > {
> > - struct drm_device *ddev = rdev->ddev;
> > + struct drm_device *ddev = rdev_to_drm(rdev);
> > struct drm_crtc *crtc;
> > struct radeon_crtc *radeon_crtc;
> > u32 tmp;
> > @@ -339,7 +339,7 @@ void rs600_pm_prepare(struct radeon_device *rdev)
> >
> > void rs600_pm_finish(struct radeon_device *rdev)
> > {
> > - struct drm_device *ddev = rdev->ddev;
> > + struct drm_device *ddev = rdev_to_drm(rdev);
> > struct drm_crtc *crtc;
> > struct radeon_crtc *radeon_crtc;
> > u32 tmp;
> > @@ -408,7 +408,7 @@ void rs600_hpd_set_polarity(struct radeon_device *rdev,
> >
> > void rs600_hpd_init(struct radeon_device *rdev)
> > {
> > - struct drm_device *dev = rdev->ddev;
> > + struct drm_device *dev = rdev_to_drm(rdev);
> > struct drm_connector *connector;
> > unsigned enable = 0;
> >
> > @@ -435,7 +435,7 @@ void rs600_hpd_init(struct radeon_device *rdev)
> >
> > void rs600_hpd_fini(struct radeon_device *rdev)
> > {
> > - struct drm_device *dev = rdev->ddev;
> > + struct drm_device *dev = rdev_to_drm(rdev);
> > struct drm_connector *connector;
> > unsigned disable = 0;
> >
> > @@ -797,7 +797,7 @@ int rs600_irq_process(struct radeon_device *rdev)
> > /* Vertical blank interrupts */
> > if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
> > if (rdev->irq.crtc_vblank_int[0]) {
> > - drm_handle_vblank(rdev->ddev, 0);
> > + drm_handle_vblank(rdev_to_drm(rdev), 0);
> > rdev->pm.vblank_sync = true;
> > wake_up(&rdev->irq.vblank_queue);
> > }
> > @@ -806,7 +806,7 @@ int rs600_irq_process(struct radeon_device *rdev)
> > }
> > if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
> > if (rdev->irq.crtc_vblank_int[1]) {
> > - drm_handle_vblank(rdev->ddev, 1);
> > + drm_handle_vblank(rdev_to_drm(rdev), 1);
> > rdev->pm.vblank_sync = true;
> > wake_up(&rdev->irq.vblank_queue);
> > }
> > @@ -1133,7 +1133,7 @@ int rs600_init(struct radeon_device *rdev)
> > return -EINVAL;
> >
> > /* Initialize clocks */
> > - radeon_get_clock_info(rdev->ddev);
> > + radeon_get_clock_info(rdev_to_drm(rdev));
> > /* initialize memory controller */
> > rs600_mc_init(rdev);
> > r100_debugfs_rbbm_init(rdev);
> > diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
> > index 14fb0819b8c1..016eb4992803 100644
> > --- a/drivers/gpu/drm/radeon/rs690.c
> > +++ b/drivers/gpu/drm/radeon/rs690.c
> > @@ -845,7 +845,7 @@ int rs690_init(struct radeon_device *rdev)
> > return -EINVAL;
> >
> > /* Initialize clocks */
> > - radeon_get_clock_info(rdev->ddev);
> > + radeon_get_clock_info(rdev_to_drm(rdev));
> > /* initialize memory controller */
> > rs690_mc_init(rdev);
> > rv515_debugfs(rdev);
> > diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
> > index bbc6ccabf788..1b4dfb645585 100644
> > --- a/drivers/gpu/drm/radeon/rv515.c
> > +++ b/drivers/gpu/drm/radeon/rv515.c
> > @@ -255,7 +255,7 @@ DEFINE_SHOW_ATTRIBUTE(rv515_debugfs_ga_info);
> > void rv515_debugfs(struct radeon_device *rdev)
> > {
> > #if defined(CONFIG_DEBUG_FS)
> > - struct dentry *root = rdev->ddev->primary->debugfs_root;
> > + struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
> >
> > debugfs_create_file("rv515_pipes_info", 0444, root, rdev,
> > &rv515_debugfs_pipes_info_fops);
> > @@ -636,7 +636,7 @@ int rv515_init(struct radeon_device *rdev)
> > if (radeon_boot_test_post_card(rdev) == false)
> > return -EINVAL;
> > /* Initialize clocks */
> > - radeon_get_clock_info(rdev->ddev);
> > + radeon_get_clock_info(rdev_to_drm(rdev));
> > /* initialize AGP */
> > if (rdev->flags & RADEON_IS_AGP) {
> > r = radeon_agp_init(rdev);
> > diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
> > index 9ce12fa3c356..7d4b0bf59109 100644
> > --- a/drivers/gpu/drm/radeon/rv770.c
> > +++ b/drivers/gpu/drm/radeon/rv770.c
> > @@ -1935,7 +1935,7 @@ int rv770_init(struct radeon_device *rdev)
> > /* Initialize surface registers */
> > radeon_surface_init(rdev);
> > /* Initialize clocks */
> > - radeon_get_clock_info(rdev->ddev);
> > + radeon_get_clock_info(rdev_to_drm(rdev));
> > /* Fence driver */
> > radeon_fence_driver_init(rdev);
> > /* initialize AGP */
> > diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
> > index 15759c8ca5b7..6c95575ce109 100644
> > --- a/drivers/gpu/drm/radeon/si.c
> > +++ b/drivers/gpu/drm/radeon/si.c
> > @@ -6277,7 +6277,7 @@ int si_irq_process(struct radeon_device *rdev)
> > event_name = "vblank";
> >
> > if (rdev->irq.crtc_vblank_int[crtc_idx]) {
> > - drm_handle_vblank(rdev->ddev, crtc_idx);
> > + drm_handle_vblank(rdev_to_drm(rdev), crtc_idx);
> > rdev->pm.vblank_sync = true;
> > wake_up(&rdev->irq.vblank_queue);
> > }
> > @@ -6839,7 +6839,7 @@ int si_init(struct radeon_device *rdev)
> > /* Initialize surface registers */
> > radeon_surface_init(rdev);
> > /* Initialize clocks */
> > - radeon_get_clock_info(rdev->ddev);
> > + radeon_get_clock_info(rdev_to_drm(rdev));
> >
> > /* Fence driver */
> > radeon_fence_driver_init(rdev);
>
> --
> --
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Software Solutions Germany GmbH
> Frankenstrasse 146, 90461 Nuernberg, Germany
> GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
> HRB 36809 (AG Nuernberg)
>
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