Like was done for ICL, let's convert the voltage level lookup to use
frequency ranges rather than individual frequencies. For deciding the
voltage, the individual value doesn't really matter.
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_cdclk.c | 20 +++++++-------------
1 file changed, 7 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c
index 80e22507cd34..8993ab283562 100644
--- a/drivers/gpu/drm/i915/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/intel_cdclk.c
@@ -809,20 +809,14 @@ static int skl_calc_cdclk(int min_cdclk, int vco)
static u8 skl_calc_voltage_level(int cdclk)
{
- switch (cdclk) {
- default:
- case 308571:
- case 337500:
- return 0;
- case 450000:
- case 432000:
- return 1;
- case 540000:
- return 2;
- case 617143:
- case 675000:
+ if (cdclk > 540000)
return 3;
- }
+ else if (cdclk > 450000)
+ return 2;
+ else if (cdclk > 337500)
+ return 1;
+ else
+ return 0;
}
static void skl_dpll0_update(struct drm_i915_private *dev_priv,
--
2.21.0
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