diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 5eeddc97ca2a..0d3e01434860 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3316,8 +3316,10 @@ skl_compute_linetime_wm(struct drm_crtc *crtc, struct skl_pipe_wm_parameters *p) if (!to_intel_crtc(crtc)->active) return 0; - return DIV_ROUND_UP(8 * p->pipe_htotal * 1000, p->pixel_rate); + if (WARN_ON(p->pixel_rate == 0)) + return 0; + return DIV_ROUND_UP(8 * p->pipe_htotal * 1000, p->pixel_rate); } static void skl_compute_transition_wm(struct drm_crtc *crtc, |