drm/nouveau/i2c: tidy up bit-bang helpers, also fixing nv50 setsda bug

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Was using nv_mask, which is bad.  Reading the reg senses the current line
states, which aren't necessarily the states we're trying to drive the
lines to.

Fixed to store SCL driver state just as we already do for SDA.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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This commit is contained in:

Ben Skeggs 2011-11-17 13:56:14 +10:00

parent 486a45c2a6

commit 2bdb06e3cf

3 changed files with 94 additions and 148 deletions

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6

drivers/gpu/drm/nouveau/nouveau_dp.c

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230

drivers/gpu/drm/nouveau/nouveau_i2c.c

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6

drivers/gpu/drm/nouveau/nouveau_i2c.h

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