diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index b28da6fd7540..a728ff11e389 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2582,8 +2582,11 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) } seq_puts(m, "\n"); - /* CHV PSR has no kind of performance counter */ - if (HAS_DDI(dev)) { + /* + * VLV/CHV PSR has no kind of performance counter + * SKL+ Perf counter is reset to 0 everytime DC state is entered + */ + if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { psrperf = I915_READ(EDP_PSR_PERF_CNT) & EDP_PSR_PERF_CNT_MASK; |