drm/i915: Use cdclk_state->voltage on CNL

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Track the system agent voltage we request from pcode in the cdclk state
on CNL. Annoyingly we can't actually read out the current value since
there's no pcode command to do that, so we'll have to just assume that
it worked.

v2: s/voltage/voltage_level/ (Rodrigo)

Cc: Mika Kahola <mika.kahola@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171024095216.1638-8-ville.syrjala@linux.intel.com

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This commit is contained in:

Ville Syrjälä 2017-10-24 12:52:13 +03:00

parent 2123f442ca

commit 48469eced2

1 changed files with 31 additions and 16 deletions

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drivers/gpu/drm/i915/intel_cdclk.c

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