drm/i915/dsb: Introduce intel_dsb_reg_write_masked()

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Add a function for emitting masked register writes.

Note that the mask is implemented through byte enables,
so can only mask off aligned 8bit sets of bits.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230606191504.18099-10-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>

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This commit is contained in:

Ville Syrjälä 2023-06-06 22:14:54 +03:00

parent df3b919286

commit e39845d651

2 changed files with 20 additions and 0 deletions

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18

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

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2

drivers/gpu/drm/i915/display/intel_dsb.h

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