drm/i915/sbi: add a dedicated mutex for LPT/WPT IOSF sideband

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The LPT/WPT IOSF sideband is unrelated to pcode or VLV/CHV IOSF
sideband. It's just confusing to piggyback on the same mutex. Add a
dedicated lock with init and cleanup functions.

Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/139933094fe51fccdbe14d4e20df69782e801905.1730193891.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

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This commit is contained in:

Jani Nikula 2024-10-29 11:25:24 +02:00

parent d519f48b2f

commit f270857385

4 changed files with 21 additions and 3 deletions

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3

drivers/gpu/drm/i915/i915_driver.c

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3

drivers/gpu/drm/i915/i915_drv.h

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16

drivers/gpu/drm/i915/intel_sbi.c

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2

drivers/gpu/drm/i915/intel_sbi.h

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