Public bug reported:
[Impact]
Kernel warning from i915's skl_dram_get_channel_info().
[Fix]
Update how i915 gets DRAM information.
[Test]
No more kernel splat after the fix gets applied.
Anything graphics related seems to work fine.
[Where problems could occur]
The change only applies to gen11 and gen12 gfx so the scope is limited.
If the PCODE doesn't work as intended, this might cause regression.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.10 (Ubuntu Focal)
Importance: Low
Status: Confirmed
** Tags: oem-priority originate-from-1943006 stella
** Package changed: linux (Ubuntu) => linux-oem-5.10 (Ubuntu)
** Also affects: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided => Low
** Changed in: linux-oem-5.10 (Ubuntu)
Status: New => Invalid
** Tags added: oem-priority originate-from-1943006 stella
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https://bugs.launchpad.net/bugs/1943923
Title:
Fix i915 warnings on skl_dram_get_channel_info()
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