i915.powersave=0 looks like it did the trick. Thanks! I'm attaching a full dmesg grepped for "drm"
The flickering happens at max brightness and at lower brightness settings.
@Chris:
Flickering was totally random, but it seemed to slightly increase in frequency when there was more load on the system. That increase could have been totally subjective though.
@Robert:
i915.powersave=0 looks like it did the trick. Thanks! I'm attaching a full dmesg grepped for "drm"
The flickering happens at max brightness and at lower brightness settings.
@Chris:
Flickering was totally random, but it seemed to slightly increase in frequency when there was more load on the system. That increase could have been totally subjective though.