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| /openbmc/linux/drivers/gpu/drm/i915/ |
| H A D | i915_suspend.c | diff f3c91c1deaf8493526d8216be94c33e963f00962 Sun Nov 21 03:56:00 CST 2010 Chris Wilson <chris@chris-wilson.co.uk> drm/i915: Only save/restore cursor regs if !KMS
Under KMS, restoring the cursor is handled upon modeswitch in order to
avoid enabling an undefined set of registers. At the moment, the cursor
is restored before the aperture and modes are fully setup causing some
invalid access during resume, such as:
PGTBL_ER: 0x00040000
Invalid GTT entry during Cursor Fetch
Fix this by only performing cursor register save/restore under UMS where
it is done in the correct sequence.
Reported-by: Arkadiusz Miskiewicz <arekm@maven.pl>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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