[Bug 27052] New: [KMS] We should "Recalculate I2C clock on engine clock setting"

[Bug 27052] New: [KMS] We should "Recalculate I2C clock on engine clock setting"

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27052

           Summary: [KMS] We should "Recalculate I2C clock on engine clock
                    setting"
           Product: DRI
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: zajec5@gmail.com


http://cgit.freedesktop.org/xorg/driver/xf86-video-radeonhd/commit/?id=42a81085042606cd812732a13b66527d37fc625c

pm: Recalculate I2C clock on engine clock setting.
On pre-R6xx the DDC clock is derived from the engine clock, thus changing the
engine clock implies that the DDC clock is to be updated as well.

Same should be done for radeon KMS.


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[Bug 27052] [KMS] We should "Recalculate I2C clock on engine clock setting"

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27052


Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |NOTABUG




--- Comment #1 from Alex Deucher <agd5f@yahoo.com>  2010-03-12 13:08:13 PST ---
It's already done for kms.  If we use the hw engines we take the pm mutex and
call get_engine_clock() to get the current sclk.


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[Bug 27052] [KMS] We should "Recalculate I2C clock on engine clock setting"

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27052





--- Comment #2 from Rafał Miłecki <zajec5@gmail.com>  2010-03-12 13:12:55 PST ---
Oh, OK, thanks.

Browsing ooold e-mails I noticed last time we didn't implement that. I thought
it was forgotten.


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