[Bug 100919] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

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bugzilla-daemon＠freedesktop.org

3 May 2017 3 May '17

7:12 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=100919

Bug ID: 100919 Summary: "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable Product: DRI Version: DRI git Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: nikola.forro@gmail.com

I'm using the latest code from amd-staging-4.9 branch of ~agd5f/linux.

The problem is caused by this commit: https://cgit.freedesktop.org/~agd5f/linux/commit/?h=amd-staging-4.9&id=2...

After this change, when sink_signal is DVI_DUAL_LINK but pix_clk_khz is lower than TMDS_MAX_PIXEL_CLOCK_IN_KHZ, stream->signal is set to DVI_DUAL_LINK, while previously it was being set to DVI_SINGLE_LINK.

As a result, the connected display just reports "Out of range" error.

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bugzilla-daemon＠freedesktop.org

8 May 8 May

8:20 a.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

Michel Dänzer michel@daenzer.net changed:

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bugzilla-daemon＠freedesktop.org

9 May 9 May

4:01 a.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #1 from Thomas R. freedesktop-bugs@digital-trauma.de --- I arrived here by way of having a similar problem and bisecting it down to the very same commit. When running a kernel containing it, on my R9 285, modesetting on my two DVI monitors takes very long and results in a weird resolution that looks like 1920x1080 to the system and 960x1080 to the actual device (if its info menu can be trusted). Most other resolutions I tried fail with out of range.

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bugzilla-daemon＠freedesktop.org

4:02 a.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #2 from Thomas R. freedesktop-bugs@digital-trauma.de --- Created attachment 131274 --> https://bugs.freedesktop.org/attachment.cgi?id=131274&action=edit Relevant dmesg

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bugzilla-daemon＠freedesktop.org

2:54 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #3 from Harry Wentland harry.wentland@amd.com --- Created attachment 131276 --> https://bugs.freedesktop.org/attachment.cgi?id=131276&action=edit Patch to fix this (hopefully)

Hi Nikola, Thomas.

Thanks for reporting this.

Try this patch. I haven't been able to test it myself but it should fix this.

Harry

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bugzilla-daemon＠freedesktop.org

5:12 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #4 from Nikola Forró nikola.forro@gmail.com --- Comment on attachment 131276 --> https://bugs.freedesktop.org/attachment.cgi?id=131276 Patch to fix this (hopefully)

Review of attachment 131276: -----------------------------------------------------------------

::: drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ +1268,4 @@

...

stream->public.timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ)
stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK;

else

stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;

I don't think this is such a good idea, because AFAICS this sets stream->signal to SIGNAL_TYPE_DVI_SINGLE_LINK also for all types of signal other than DVI.

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bugzilla-daemon＠freedesktop.org

5:24 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #5 from Harry Wentland harry.wentland@amd.com --- Nikola, this line from the patch should take care of your concern:

+ if (dc_is_dvi_signal(stream->signal) &&

Other signal types shouldn't be affected.

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bugzilla-daemon＠freedesktop.org

5:29 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #6 from Alex Deucher alexdeucher@gmail.com --- what about the else case? Shouldn't the logic be:

if (dc_is_dvi_signal(stream->signal)) { if (stream->public.timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ) stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK; else stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK; }

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bugzilla-daemon＠freedesktop.org

5:34 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #7 from Nikola Forró nikola.forro@gmail.com --- Hi Alex,

yes, that's exactly what I meant. Sorry for not being clear.

Nikola

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bugzilla-daemon＠freedesktop.org

5:40 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

Harry Wentland harry.wentland@amd.com changed:

--- Comment #8 from Harry Wentland harry.wentland@amd.com --- Created attachment 131279 --> https://bugs.freedesktop.org/attachment.cgi?id=131279&action=edit 2nd attempt at patch

Thanks, Alex, Nikola, for pointing out the problem in my code. I should've looked more closely. Here's an update.

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bugzilla-daemon＠freedesktop.org

6:13 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #9 from Nikola Forró nikola.forro@gmail.com --- Thanks Harry,

I've just tested the patch and I can confirm it fixes the problem.

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bugzilla-daemon＠freedesktop.org

26 May 26 May

2:32 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #10 from Thomas R. freedesktop-bugs@digital-trauma.de --- Can confirm it works for me, too (although I accidentally also updated to 4.11 while testing it, but the relevant DC code looks unchanged and the patch applied, so I presume it's responsible, not the update). Thanks!

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bugzilla-daemon＠freedesktop.org

2:33 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #11 from Thomas R. freedesktop-bugs@digital-trauma.de --- Forgot to add a note: I'm not actually using HDMI or any converters, I had this problem with going directly DVI card <-> display.

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bugzilla-daemon＠freedesktop.org

3:21 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

Alex Deucher alexdeucher@gmail.com changed:

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bugzilla-daemon＠freedesktop.org

19 Feb 19 Feb

7:31 a.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

Thomas R. freedesktop-bugs@digital-trauma.de changed:

--- Comment #12 from Thomas R. freedesktop-bugs@digital-trauma.de --- I finally came around to testing vanilla 4.15.4, and the problem is in there, still. Also I'm having trouble translating the patch by Harry to the refactored code - I guess it should go into display/dc/core/dc_link.c somewhere, but I don't know where exactly, as there is no update_stream_signal() in there anymore. The closest place I found is in dc_link_detect(), but I'm uncertain if I should make the SINGLE or DUAL_LINK decision in there?

Harry, can you look at this or do you need more info from me?

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bugzilla-daemon＠freedesktop.org

20 Feb 20 Feb

7:38 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #13 from Harry Wentland harry.wentland@amd.com --- Are you able to test amd-staging-drm-next (https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-drm-next)? The issue should be fixed there and you wouldn't have to fiddle with patches.

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bugzilla-daemon＠freedesktop.org

26 Feb 26 Feb

3:43 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #14 from Thomas R. freedesktop-bugs@digital-trauma.de --- Harry, I tried amd-staging-drm-next and there is no corruption on the primary, but my second monitor is dead. It may be something like bug #91202 or something else entirely, the dmesg output is very sparse (egrep drm|amd below).

What can I do now?

[ 0.583791] [drm] amdgpu kernel modesetting enabled. [ 0.583968] [drm] initializing kernel modesetting (TONGA 0x1002:0x6939 0x1043:0x0486 0x00). [ 0.584028] [drm] register mmio base: 0xFE980000 [ 0.584071] [drm] register mmio size: 262144 [ 0.584109] [drm] add ip block number 0 <vi_common> [ 0.584140] [drm] add ip block number 1 <gmc_v8_0> [ 0.584172] [drm] add ip block number 2 <tonga_ih> [ 0.584207] [drm] add ip block number 3 <amdgpu_powerplay> [ 0.584239] [drm] add ip block number 4 <dm> [ 0.584271] [drm] add ip block number 5 <gfx_v8_0> [ 0.584303] [drm] add ip block number 6 <sdma_v3_0> [ 0.584334] [drm] add ip block number 7 <uvd_v5_0> [ 0.584367] [drm] add ip block number 8 <vce_v3_0> [ 0.584402] [drm] probing gen 2 caps for device 1002:5a16 = 31cd02/0 [ 0.584434] [drm] probing mlw for device 1002:5a16 = 31cd02 [ 0.584472] [drm] VCE enabled in physical mode [ 0.584775] amdgpu 0000:05:00.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xb60f [ 0.585447] [drm] vm size is 64 GB, 2 levels, block size is 10-bit, fragment size is 9-bit [ 0.585490] amdgpu 0000:05:00.0: VRAM: 2048M 0x000000F400000000 - 0x000000F47FFFFFFF (2048M used) [ 0.585526] amdgpu 0000:05:00.0: GTT: 1024M 0x0000000000000000 - 0x000000003FFFFFFF [ 0.585563] [drm] Detected VRAM RAM=2048M, BAR=256M [ 0.585594] [drm] RAM width 256bits GDDR5 [ 0.585843] [drm] amdgpu: 2048M of VRAM memory ready [ 0.585874] [drm] amdgpu: 3072M of GTT memory ready. [ 0.585907] [drm] GART: num cpu pages 262144, num gpu pages 262144 [ 0.586405] [drm] PCIE GART of 1024M enabled (table at 0x000000F400040000). [ 0.587618] [drm] Found UVD firmware Version: 1.65 Family ID: 10 [ 0.588927] [drm] Found VCE firmware Version: 52.8 Binary ID: 3 [ 0.638265] [drm] Display Core initialized with v3.1.34! [ 0.651084] [drm] SADs count is: -2, don't need to read it [ 0.663759] [drm] SADs count is: -2, don't need to read it [ 0.663823] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 0.663879] [drm] Driver supports precise vblank timestamp query. [ 0.712563] [drm] UVD initialized successfully. [ 0.921688] [drm] VCE initialized successfully. [ 0.925673] [drm] fb mappable at 0xD0566000 [ 0.925738] [drm] vram apper at 0xD0000000 [ 0.925798] [drm] size 8294400 [ 0.925857] [drm] fb depth is 24 [ 0.925909] [drm] pitch is 7680 [ 0.926025] fbcon: amdgpudrmfb (fb0) is primary device [ 1.123458] amdgpu 0000:05:00.0: fb0: amdgpudrmfb frame buffer device [ 1.131506] [drm] Initialized amdgpu 3.25.0 20150101 for 0000:05:00.0 on minor 0

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bugzilla-daemon＠freedesktop.org

3:50 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

--- Comment #15 from Harry Wentland harry.wentland@amd.com --- Please open a separate ticket for the issue with amd-stg and the 2nd monitor, including * dmesg log with amdgpu.dc_log=1 and drm.debug=0x6 kernel options * model of both monitors and how they're connected (DP, HDMI, etc... any adapter) * commit from amd-staging-drm-next being tested

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bugzilla-daemon＠freedesktop.org

9 Mar 9 Mar

2:02 p.m.

New subject: [Bug 100919] [DC] "Out of range" on a display connected to a DVI-D output of RX460 card via DVI-D<=>HDMI-A cable

https://bugs.freedesktop.org/show_bug.cgi?id=100919

Thomas R. freedesktop-bugs@digital-trauma.de changed:

--- Comment #16 from Thomas R. freedesktop-bugs@digital-trauma.de --- Closed, creating new bug as per comment 15.

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