Commit d74a7566 authored Nov 18, 2019 by Matt Roper Committed by Joonas Lahtinen Nov 25, 2019

drm/i915/ehl: Update voltage level checks



The bspec was recently updated with new cdclk -> voltage level tables to
accommodate the new 324/326.4 cdclk values.

Bspec: 21809
Fixes: 63c9dae7 ("drm/i915/ehl: Add voltage level requirement table")
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Vivek Kasireddy <vivek.kasireddy@intel.com>
Cc: Bob Paauwe <bob.j.paauwe@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191118164412.26216-1-matthew.d.roper@intel.com


Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
(cherry picked from commit d1474838)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

parent 15b9cbb2

drivers/gpu/drm/i915/display/intel_cdclk.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1273,7 +1273,9 @@ static u8 icl_calc_voltage_level(int cdclk)

		static u8 ehl_calc_voltage_level(int cdclk)
		{
		if (cdclk > 312000)
		if (cdclk > 326400)
		return 3;
		else if (cdclk > 312000)
		return 2;
		else if (cdclk > 180000)
		return 1;

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