* [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620)
2016-07-27 19:11 [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620) bugzilla-daemon
@ 2016-07-30 14:21 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-07-30 14:21 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97099
pavol@klacansky.com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |pavol@klacansky.com
--- Comment #1 from pavol@klacansky.com ---
*** Bug 97138 has been marked as a duplicate of this bug. ***
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* [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620)
2016-07-27 19:11 [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620) bugzilla-daemon
2016-07-30 14:21 ` bugzilla-daemon
@ 2016-08-11 16:15 ` bugzilla-daemon
2016-08-12 14:12 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-08-11 16:15 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=97099
--- Comment #2 from Jaime Velasco Juan <jsagarribay@gmail.com> ---
CCed author as it seems the regression hasn't been noticed
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* [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620)
2016-07-27 19:11 [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620) bugzilla-daemon
2016-07-30 14:21 ` bugzilla-daemon
2016-08-11 16:15 ` bugzilla-daemon
@ 2016-08-12 14:12 ` bugzilla-daemon
2016-08-12 14:26 ` bugzilla-daemon
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To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97099
--- Comment #3 from Christian König <deathsimple@vodafone.de> ---
I've noticed this bug, I'm just not sure what to do about it.
Essentially disabling fractional dividers for spread spectrum fixes the output
for some people while it broke it for others.
I will prepare a patch to only apply it for RS780 and RS880 for now, cause
those seem to be the most problematic ones.
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* [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620)
2016-07-27 19:11 [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620) bugzilla-daemon
` (2 preceding siblings ...)
2016-08-12 14:12 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-08-12 14:26 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=97099
Christian König <deathsimple@vodafone.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #125352|0 |1
is obsolete| |
--- Comment #4 from Christian König <deathsimple@vodafone.de> ---
Created attachment 125738
--> https://bugs.freedesktop.org/attachment.cgi?id=125738&action=edit
Possible fix
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* [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620)
2016-07-27 19:11 [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620) bugzilla-daemon
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2016-08-12 14:26 ` bugzilla-daemon
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2016-08-18 9:52 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=97099
--- Comment #5 from Jaime Velasco Juan <jsagarribay@gmail.com> ---
Thanks, the patch fixes the problem for me, as expected. I hope it doesn't
break other setups. I understand having to lose time with these kind of
workarounds must be very frustrating.
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* [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620)
2016-07-27 19:11 [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620) bugzilla-daemon
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From: bugzilla-daemon @ 2016-08-18 9:52 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97099
Christian König <deathsimple@vodafone.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from Christian König <deathsimple@vodafone.de> ---
Thanks for testing.
Yeah, it's especially tricky when the hardware is already a couple of years old
and even the people who created it don't remember all the nasty details.
The patch should show up in the next kernel release.
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* [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620)
2016-07-27 19:11 [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620) bugzilla-daemon
` (5 preceding siblings ...)
2016-08-18 9:52 ` bugzilla-daemon
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2016-09-02 13:40 ` bugzilla-daemon
2016-10-14 10:18 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-09-02 8:10 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97099
--- Comment #7 from alexeytech@gmail.com ---
provided patch works for me too, thanks. (radeon rv620 HD3450)
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* [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620)
2016-07-27 19:11 [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620) bugzilla-daemon
` (6 preceding siblings ...)
2016-09-02 8:10 ` bugzilla-daemon
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2016-10-14 10:18 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-09-02 13:40 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97099
--- Comment #8 from Alex Deucher <alexdeucher@gmail.com> ---
Applied upstream:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ae5b80d2b68eac945b124227dea34462118a6f01
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* [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620)
2016-07-27 19:11 [Bug 97099] Regression in 9ef8537e6 "drm/radeon: don't use fractional dividers on RS[78]80 if SS is enabled" (RV620) bugzilla-daemon
` (7 preceding siblings ...)
2016-09-02 13:40 ` bugzilla-daemon
@ 2016-10-14 10:18 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-10-14 10:18 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=97099
Christian König <deathsimple@vodafone.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
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