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 | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c
index 465a72d185ad..80e22507cd34 100644
--- a/drivers/gpu/drm/i915/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/intel_cdclk.c
@@ -1531,15 +1531,12 @@ static int cnl_calc_cdclk(int min_cdclk)
static u8 cnl_calc_voltage_level(int cdclk)
{
- switch (cdclk) {
- default:
- case 168000:
- return 0;
- case 336000:
- return 1;
- case 528000:
+ if (cdclk > 336000)
return 2;
- }
+ else if (cdclk > 168000)
+ return 1;
+ else
+ return 0;
}
static void cnl_cdclk_pll_update(struct drm_i915_private *dev_priv,
--
2.21.0
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