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Date: Fri, 21 Jun 2024 09:29:38 +0200
From: Christian König <christian.koenig@....com>
To: Thomas Zimmermann <tzimmermann@...e.de>, Hoi Pok Wu <wuhoipok@...il.com>
Cc: Alex Deucher <alexander.deucher@....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
Am 21.06.24 um 09:16 schrieb Thomas Zimmermann:
> Hi
>
> Am 20.06.24 um 16:30 schrieb Hoi Pok Wu:
>> 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?
>
> Simply assign the radeon_device to dev_private as before and you'll be
> fine. Reworking all function calls would be a patchset of its own.
Yeah, completely agree. Try to keep it as simply and stupid as possible
for now, more extensive cleanups can come later.
And thanks a lot for looking into this and testing the stuff.
Regards,
Christian.
>
> Best regards
> Thomas
>
>>
>> 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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