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Message-ID: <AANLkTinePpZEsWShq8EB-No-CAQQsaDwLUbLVaSmrG5R@mail.gmail.com>
Date: Wed, 14 Jul 2010 22:05:48 +0200
From: Torsten Kaiser <just.for.lkml@...glemail.com>
To: Jerome Glisse <glisse@...edesktop.org>
Cc: Alex Deucher <alexdeucher@...il.com>, linux-kernel@...r.kernel.org,
DRI mailing list <dri-devel@...ts.freedesktop.org>
Subject: Re: Regression 2.6.34->2.6.35-rc4: radeaon KMS an RS690 broken
On Wed, Jul 14, 2010 at 9:30 PM, Jerome Glisse <glisse@...edesktop.org> wrote:
> On 07/14/2010 02:51 PM, Torsten Kaiser wrote:
>>
>> On Tue, Jul 13, 2010 at 9:10 PM, Alex Deucher<alexdeucher@...il.com>
>> wrote:
>>>
>>> On Tue, Jul 13, 2010 at 2:29 PM, Torsten Kaiser
>>> <just.for.lkml@...glemail.com> wrote:
>>>>
>>>> But the CP is still broken:
>>>
>>> Is this a regression? If so, can you bisect it?
>>>
>>> Alex
>>
>> I bisected it to this commit:
>>
>> d594e46ace22afa1621254f6f669e65430048153 is the first bad commit
>> commit d594e46ace22afa1621254f6f669e65430048153
>> Author: Jerome Glisse<jglisse@...hat.com>
>> Date: Wed Feb 17 21:54:29 2010 +0000
>>
>> drm/radeon/kms: simplify memory controller setup V2
>>
>> Get rid of _location and use _start/_end also simplify the
>> computation of vram_start|end& gtt_start|end. For R1XX-R2XX
>> we place VRAM at the same address of PCI aperture, those GPU
>> shouldn't have much memory and seems to behave better when
>> setup that way. For R3XX and newer we place VRAM at 0. For
>> R6XX-R7XX AGP we place VRAM before or after AGP aperture this
>> might limit to limit the VRAM size but it's very unlikely.
>> For IGP we don't change the VRAM placement.
>>
>> Tested on (compiz,quake3,suspend/resume):
>> PCI/PCIE:RV280,R420,RV515,RV570,RV610,RV710
>> AGP:RV100,RV280,R420,RV350,RV620(RPB*),RV730
>> IGP:RS480(RPB*),RS690,RS780(RPB*),RS880
>>
>> RPB: resume previously broken
>>
>> V2 correct commit message to reflect more accurately the bug
>> and move VRAM placement to 0 for most of the GPU to avoid
>> limiting VRAM.
>>
>> Signed-off-by: Jerome Glisse<jglisse@...hat.com>
>> Signed-off-by: Dave Airlie<airlied@...hat.com>
>>
>> :040000 040000 05c1e456fcf6565aa8711e4933807956d0055cca
>> 792c6be2bd161a52500c5e8d685ee651cd5af07e M drivers
>>
>> HTH, Torsten
>>
>>>> [ 0.426931] Linux agpgart interface v0.103
>>>> [ 0.427092] [drm] Initialized drm 1.1.0 20060810
>>>> [ 0.427196] [drm] radeon defaulting to kernel modesetting.
>>>> [ 0.427255] [drm] radeon kernel modesetting enabled.
>>>> [ 0.427372] radeon 0000:01:05.0: PCI INT A -> GSI 18 (level, low) ->
>>>> IRQ 18
>>>> [ 0.429659] [drm] initializing kernel modesetting (RS690
>>>> 0x1002:0x791E).
>>>> [ 0.429817] [drm] register mmio base: 0xFE9F0000
>>>> [ 0.429876] [drm] register mmio size: 65536
>>>> [ 0.430457] ATOM BIOS: ATI
>>>> [ 0.430532] radeon 0000:01:05.0: VRAM: 32M 0xDE000000 - 0xDFFFFFFF
>>>> (32M used)
>>>> [ 0.430592] radeon 0000:01:05.0: GTT: 512M 0xBE000000 - 0xDDFFFFFF
>>>> [ 0.430675] [drm] radeon: irq initialized.
>>>> [ 0.430737] mtrr: type mismatch for fc000000,2000000 old:
>>>> write-back new: write-comb
>>>> ining
>>>> [ 0.430811] [drm] Detected VRAM RAM=32M, BAR=32M
>>>> [ 0.430868] [drm] RAM width 128bits DDR
>>>> [ 0.431011] [TTM] Zone kernel: Available graphics memory: 2010234
>>>> kiB.
>>>> [ 0.431070] [TTM] Initializing pool allocator.
>>>> [ 0.431147] [drm] radeon: 32M of VRAM memory ready
>>>> [ 0.431205] [drm] radeon: 512M of GTT memory ready.
>>>> [ 0.431266] [drm] GART: num cpu pages 131072, num gpu pages 131072
>>>> [ 0.434654] [drm] radeon: 1 quad pipes, 1 z pipes initialized.
>>>> [ 0.441719] [drm] Loading RS690/RS740 Microcode
>>>> [ 0.441926] [drm] radeon: ring at 0x00000000BE000000
>>>> [ 0.577118] [drm:r100_ring_test] *ERROR* radeon: ring test failed
>>>> (sracth(0x15E4)=0x
>>>> CAFEDEAD)
>>>> [ 0.577192] [drm:r100_cp_init] *ERROR* radeon: cp isn't working
>>>> (-22).
>>>> [ 0.577252] radeon 0000:01:05.0: failled initializing CP (-22).
>>>> [ 0.577310] radeon 0000:01:05.0: Disabling GPU acceleration
>>>> [ 0.577440] [drm] radeon: cp finalized
>>>> [ 0.578078] [drm] Default TV standard: NTSC
>>>> [ 0.578314] [drm] Default TV standard: NTSC
>>>> [ 0.578590] [drm] Radeon Display Connectors
>>>> [ 0.578648] [drm] Connector 0:
>>>> [ 0.578706] [drm] VGA
>>>> [ 0.578764] [drm] DDC: 0x7e50 0x7e40 0x7e54 0x7e44 0x7e58 0x7e48
>>>> 0x7e5c 0x7e4c
>>>> [ 0.578837] [drm] Encoders:
>>>> [ 0.578894] [drm] CRT1: INTERNAL_KLDSCP_DAC1
>>>> [ 0.578952] [drm] Connector 1:
>>>> [ 0.579010] [drm] S-video
>>>> [ 0.579067] [drm] Encoders:
>>>> [ 0.579124] [drm] TV1: INTERNAL_KLDSCP_DAC1
>>>> [ 0.579182] [drm] Connector 2:
>>>> [ 0.579239] [drm] HDMI-A
>>>> [ 0.579297] [drm] DDC: 0x7e40 0x7e50 0x7e44 0x7e54 0x7e48 0x7e58
>>>> 0x7e4c 0x7e5c
>>>> [ 0.579369] [drm] Encoders:
>>>> [ 0.579427] [drm] DFP3: INTERNAL_LVTM1
>>>> [ 0.773375] [drm] fb mappable at 0xFC040000
>>>> [ 0.773434] [drm] vram apper at 0xFC000000
>>>> [ 0.773491] [drm] size 786432
>>>> [ 0.773549] [drm] fb depth is 8
>>>> [ 0.773606] [drm] pitch is 1024
>>>> [ 0.773737] fbcon: radeondrmfb (fb0) is primary device
>>>> [ 0.793240] Console: switching to colour frame buffer device 128x48
>>>> [ 0.794833] fb0: radeondrmfb frame buffer device
>>>> [ 0.794852] drm: registered panic notifier
>>>> [ 0.794871] Slow work thread pool: Starting up
>>>> [ 0.794932] Slow work thread pool: Ready
>>>> [ 0.794953] [drm] Initialized radeon 2.5.0 20080528 for
>>>> 0000:01:05.0 on minor 0
>>>>
>>>>
>>>> Torsten
>>>>
>>>
>
> Does the attached patch works ? (try to change the if 0 to if 1 too
The patch doesn't compile, but after changing mc->foo to rdev->mc.foo it built.
Result from the original patch ("if 0"):
[ 0.429603] [drm] initializing kernel modesetting (RS690 0x1002:0x791E).
[ 0.429751] [drm] register mmio base: 0xFE9F0000
[ 0.429809] [drm] register mmio size: 65536
[ 0.430385] ATOM BIOS: ATI
[ 0.430460] radeon 0000:01:05.0: VRAM: 32M 0xDE000000 - 0xDFFFFFFF (32M used)
[ 0.430520] radeon 0000:01:05.0: GTT: 512M 0xB0000000 - 0xCFFFFFFF
[ 0.430603] [drm] radeon: irq initialized.
[ 0.430666] mtrr: type mismatch for fc000000,2000000 old:
write-back new: write-combining
[ 0.430739] [drm] Detected VRAM RAM=32M, BAR=32M
[ 0.430797] [drm] RAM width 128bits DDR
[ 0.430940] [TTM] Zone kernel: Available graphics memory: 2010234 kiB.
[ 0.430999] [TTM] Initializing pool allocator.
[ 0.431075] [drm] radeon: 32M of VRAM memory ready
[ 0.431133] [drm] radeon: 512M of GTT memory ready.
[ 0.431194] [drm] GART: num cpu pages 131072, num gpu pages 131072
[ 0.434577] [drm] radeon: 1 quad pipes, 1 z pipes initialized.
[ 0.441645] [drm] Loading RS690/RS740 Microcode
[ 0.441853] [drm] radeon: ring at 0x00000000B0000000
[ 0.576773] [drm:r100_ring_test] *ERROR* radeon: ring test failed
(sracth(0x15E4)=0xCAFEDEAD)
[ 0.576847] [drm:r100_cp_init] *ERROR* radeon: cp isn't working (-22).
[ 0.576907] radeon 0000:01:05.0: failled initializing CP (-22).
[ 0.576965] radeon 0000:01:05.0: Disabling GPU acceleration
Result from patch after changing it to "if 1":
[ 0.400348] [drm] initializing kernel modesetting (RS690 0x1002:0x791E).
[ 0.400497] [drm] register mmio base: 0xFE9F0000
[ 0.400556] [drm] register mmio size: 65536
[ 0.401097] ATOM BIOS: ATI
[ 0.401171] radeon 0000:01:05.0: VRAM: 32M 0xDE000000 - 0xDFFFFFFF (32M used)
[ 0.401231] radeon 0000:01:05.0: GTT: 512M 0x00000000 - 0x1FFFFFFF
[ 0.401314] [drm] radeon: irq initialized.
[ 0.401377] mtrr: type mismatch for fc000000,2000000 old:
write-back new: write-combining
[ 0.401451] [drm] Detected VRAM RAM=32M, BAR=32M
[ 0.401509] [drm] RAM width 128bits DDR
[ 0.401597] [TTM] Zone kernel: Available graphics memory: 2010234 kiB.
[ 0.401656] [TTM] Initializing pool allocator.
[ 0.401732] [drm] radeon: 32M of VRAM memory ready
[ 0.401791] [drm] radeon: 512M of GTT memory ready.
[ 0.401852] [drm] GART: num cpu pages 131072, num gpu pages 131072
[ 0.405242] [drm] radeon: 1 quad pipes, 1 z pipes initialized.
[ 0.412298] [drm] Loading RS690/RS740 Microcode
[ 0.412507] [drm] radeon: ring at 0x0000000000000000
[ 0.412582] [drm] ring test succeeded in 1 usecs
[ 0.412726] [drm] radeon: ib pool ready.
[ 0.412792] [drm] ib test succeeded in 0 usecs
Torsten
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