From: <bug...@bu...> - 2011-05-10 14:56:34
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 Summary: Blank display on Toshiba laptop C670D-10C using AMD E-240 Palm chip Product: Drivers Version: 2.5 Kernel Version: 2.6.39-rc7 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) AssignedTo: dri...@ke... ReportedBy: an...@as... Regression: No Created an attachment (id=57132) --> (https://bugzilla.kernel.org/attachment.cgi?id=57132) dmesg using Linus' HEAD of May 10th 2011 On a Toshiba laptop using an AMD Fusion GPU (SoC: E-240), I am unable to have screen turn on with KMS. It stays blank, even when starting the X server. I tried with 2.6.38.5, Today's Linus tree, Yesterday's drm-2.6/drm-next, all to the same result. Here is the lspci: 00:00.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1510] 00:01.0 VGA compatible controller [0300]: ATI Technologies Inc Device [1002:9803] 00:11.0 SATA controller [0106]: ATI Technologies Inc SB700/SB800 SATA Controller [AHCI mode] [1002:4391] (rev 40) 00:12.0 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller [1002:4397] 00:12.2 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB EHCI Controller [1002:4396] 00:13.0 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller [1002:4397] 00:13.2 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB EHCI Controller [1002:4396] 00:14.0 SMBus [0c05]: ATI Technologies Inc SBx00 SMBus Controller [1002:4385] (rev 42) 00:14.1 IDE interface [0101]: ATI Technologies Inc SB700/SB800 IDE Controller [1002:439c] (rev 40) 00:14.2 Audio device [0403]: ATI Technologies Inc SBx00 Azalia (Intel HDA) [1002:4383] (rev 40) 00:14.3 ISA bridge [0601]: ATI Technologies Inc SB700/SB800 LPC host controller [1002:439d] (rev 40) 00:14.4 PCI bridge [0604]: ATI Technologies Inc SBx00 PCI to PCI Bridge [1002:4384] (rev 40) 00:15.0 PCI bridge [0604]: ATI Technologies Inc Device [1002:43a0] 00:15.1 PCI bridge [0604]: ATI Technologies Inc Device [1002:43a1] 00:15.2 PCI bridge [0604]: ATI Technologies Inc Device [1002:43a2] 00:16.0 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller [1002:4397] 00:16.2 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB EHCI Controller [1002:4396] 00:18.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1700] (rev 43) 00:18.1 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1701] 00:18.2 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1702] 00:18.3 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1703] 00:18.4 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1704] 00:18.5 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1718] 00:18.6 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1716] 00:18.7 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1719] 03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:8176] (rev 01) 04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 05) -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-10 14:58:49
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #1 from Anisse Astier <an...@as...> 2011-05-10 14:58:40 --- Created an attachment (id=57142) --> (https://bugzilla.kernel.org/attachment.cgi?id=57142) Xorg log starting the X server manually in verbose mode -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-10 15:05:36
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #2 from Anisse Astier <an...@as...> 2011-05-10 15:05:27 --- Created an attachment (id=57152) --> (https://bugzilla.kernel.org/attachment.cgi?id=57152) dmesg log with drm.debug=1 loglevel=9 -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-10 15:21:42
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 Anisse Astier <an...@as...> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #57152|0 |1 is obsolete| | --- Comment #3 from Anisse Astier <an...@as...> 2011-05-10 15:21:33 --- Created an attachment (id=57162) --> (https://bugzilla.kernel.org/attachment.cgi?id=57162) dmesg log with drm.debug=4 -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-10 15:48:31
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #4 from Anisse Astier <an...@as...> 2011-05-10 15:48:22 --- I tried booting with video=1600x900, 1440x900, 1280x800 and 1024x768 and none of them changed anything. I didn't specify it, but screen is blank AND backlight is off. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-10 15:59:43
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #5 from Anisse Astier <an...@as...> 2011-05-10 15:59:30 --- Created an attachment (id=57182) --> (https://bugzilla.kernel.org/attachment.cgi?id=57182) vbios rom in /sys/bus/pci/devices/0000:00:01.0 -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-10 16:02:06
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 Alex Deucher <ale...@gm...> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ale...@gm... --- Comment #6 from Alex Deucher <ale...@gm...> 2011-05-10 16:01:56 --- travis DP to LVDS bridges are not supported yet. I'll update this bug when I have patches ready. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-26 15:45:48
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #7 from Alex Deucher <ale...@gm...> 2011-05-26 15:45:37 --- There is initial support for DP bridges in drm-radeon-testing: http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=shortlog;h=refs/heads/drm-radeon-testing -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-26 16:57:31
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 Anisse Astier <an...@as...> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #57162|0 |1 is obsolete| | --- Comment #8 from Anisse Astier <an...@as...> 2011-05-26 16:57:21 --- Created an attachment (id=59612) --> (https://bugzilla.kernel.org/attachment.cgi?id=59612) Dmesg with drm-radeon-testing as of 05/26 Just tested drm-radeon-testing, unfortunately, it seems like there is no change, screen is still blank, no backlight. Would it be possible that the radeon_encoder->encoder_id information is wrong? And that there is no DP bridge ? -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-26 17:10:15
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #9 from Alex Deucher <ale...@gm...> 2011-05-26 17:10:03 --- (In reply to comment #8) > Would it be possible that the radeon_encoder->encoder_id information is wrong? > And that there is no DP bridge ? No it's correct. You can see the DPCD for the bridge printed and the link seems to train ok. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-26 21:52:35
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #10 from Alex Deucher <ale...@gm...> 2011-05-26 21:52:25 --- Can you attach your xorg log and the output of xrandr --verbose from the new kernel? -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-26 22:19:31
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #11 from Alex Deucher <ale...@gm...> 2011-05-26 22:19:20 --- Created an attachment (id=59622) --> (https://bugzilla.kernel.org/attachment.cgi?id=59622) fix handling of DP to LVDS bridges This patch on top of drm-radeon-testing should get you up and running. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-26 23:44:05
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #12 from Alex Deucher <ale...@gm...> 2011-05-26 23:43:54 --- Created an attachment (id=59642) --> (https://bugzilla.kernel.org/attachment.cgi?id=59642) additional patch If the patch in comment 11 doesn't work, you can try this one as well on top of the patch in comment 11. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-27 10:34:50
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #13 from Anisse Astier <an...@as...> 2011-05-27 10:34:38 --- Created an attachment (id=59652) --> (https://bugzilla.kernel.org/attachment.cgi?id=59652) Xorg log with drm-radeon-testing as of 05/26 (no patch applied) -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-27 10:46:03
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #14 from Anisse Astier <an...@as...> 2011-05-27 10:45:53 --- Created an attachment (id=59662) --> (https://bugzilla.kernel.org/attachment.cgi?id=59662) Dmesg with 1st patch applied As you asked, I tried with first patch, then second patch on top of it. No change on display (still blank, no backlight) in any case. But we can see here a difference in modesets shown kernel log, before and after first patch. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |
From: <bug...@bu...> - 2011-05-27 10:48:17
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https://bugzilla.kernel.org/show_bug.cgi?id=34822 --- Comment #15 from Anisse Astier <an...@as...> 2011-05-27 10:48:09 --- Created an attachment (id=59672) --> (https://bugzilla.kernel.org/attachment.cgi?id=59672) xrandr output before and after first patch Here you can see the output of xrandr before and after applying patch in comment 11 . Adding patch in comment 12 didn't change anything. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. |