drm/i915: Clean up M/N register defines

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Use REG_GENMASK() & co. for the M/N register values. There are
also a lot of weird unused defines (eg. *_OFFSET) we can just
throw out.

Also let's mask out the unused bits during readout for good
measure. Previously we only masked out the TU_SIZE from one
of the registers, which was a bit too inconsistent for my
taste.

v2: Mention the readout masking in the commit msg  (Jani)
    Deal wth gvt

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220127120219.20143-1-ville.syrjala@linux.intel.com

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This commit is contained in:

Ville Syrjälä 2022-01-27 14:02:19 +02:00

parent d29c993027

commit c65b3affc6

3 changed files with 10 additions and 26 deletions

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10

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

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4

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

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22

drivers/gpu/drm/i915/i915_reg.h

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