Commit ab3fb157 authored Nov 10, 2014 by Ville Syrjälä Committed by Daniel Vetter Nov 17, 2014

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



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&lt;deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent 80b83b62

drivers/gpu/drm/i915/intel_pm.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}