drm/i915: Eliminate rmw from .update_primary_plane()

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Move the entire DSPCNTR register setup into the .update_primary_plane()
functions. That's where it belongs anyway and it'll also help 830M which
has the extra problem that plane registers reads will return the value
latched at the last vblank, not the value that was last written.

Also move DSPPOS and DSPSIZE setup there.

v2: Don't move variable initialization to avoid churn later

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Ville Syrjälä 2014-08-08 21:51:10 +03:00 • committed by Daniel Vetter

parent 4fa790421c

commit f45651bae2

1 changed files with 32 additions and 68 deletions

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drivers/gpu/drm/i915/intel_display.c

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