drm/i915: Make i9xx_crtc_clock_get() use dpll_hw_state

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We already extract the DPLL state to pipe_config, so let's make use of
it in i9xx_crtc_clock_get() and avoid the register reads.

This will also make the function closer to being useable with PCH DPLL
since the registers for those live in a different address.

Also kill the useless adjusted_mode.clock zeroing. It's already zero at
this point.

v2: Read out DPLL state in intel_crtc_mode_get()

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Ville Syrjälä 2013-09-13 16:18:46 +03:00 • committed by Daniel Vetter

parent 6878da0500

commit 293623f7aa

1 changed files with 8 additions and 5 deletions

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drivers/gpu/drm/i915/intel_display.c

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