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drm/i915: Change CHV SKU400 GPU freq divider to 10

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According to "Cherryview_GFXclocks_y14w36d1.xlsx" the GPU frequency
divider should be 10 in when the CZ clock is 400 MHz. Change the code
to agree so that we report the correct frequencies.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Deepak S<deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2014-11-10 22:55:15 +02:00 committed by Daniel Vetter
parent 80b83b6217
commit ab3fb15730
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/intel_pm.c
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@ -7215,8 +7215,9 @@ static int vlv_gpu_freq_div(unsigned int czclk_freq)
return 12;
case 320:
case 333:
case 400:
return 16;
case 400:
return 20;
default:
return -1;
}