drm/i915/dsi: Replace poking of VLV GPIOs behind the driver's back

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It's a dirty hack in the driver that pokes GPIO registers behind
the driver's back. Moreoever it might be problematic as simultaneous
I/O may hang the system, see the commit 40ecab5512 ("pinctrl:
baytrail: Really serialize all register accesses") for the details.
Taking all this into consideration replace the hack with proper
GPIO APIs being used.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231103201831.1037416-13-andriy.shevchenko@linux.intel.com

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This commit is contained in:

Andy Shevchenko 2023-11-03 22:18:27 +02:00 • committed by Jani Nikula

parent 47ab020394

commit 8241b55f1d

1 changed files with 28 additions and 70 deletions

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98

drivers/gpu/drm/i915/display/intel_dsi_vbt.c

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