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path: root/drivers/gpu/drm/i915/i915_sysfs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_sysfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_sysfs.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 247626885f49..55bd04c6b939 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -64,24 +64,16 @@ static u32 calc_residency(struct drm_device *dev, const u32 reg)
goto out;
}
- units = 0;
- div = 1000000ULL;
-
- if (IS_CHERRYVIEW(dev)) {
+ if (IS_CHERRYVIEW(dev) && czcount_30ns == 1) {
/* Special case for 320Mhz */
- if (czcount_30ns == 1) {
- div = 10000000ULL;
- units = 3125ULL;
- } else {
- /* chv counts are one less */
- czcount_30ns += 1;
- }
+ div = 10000000ULL;
+ units = 3125ULL;
+ } else {
+ czcount_30ns += 1;
+ div = 1000000ULL;
+ units = DIV_ROUND_UP_ULL(30ULL * bias, czcount_30ns);
}
- if (units == 0)
- units = DIV_ROUND_UP_ULL(30ULL * bias,
- (u64)czcount_30ns);
-
if (I915_READ(VLV_COUNTER_CONTROL) & VLV_COUNT_RANGE_HIGH)
units <<= 8;