diff options
-rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index bfcc58ffecb..ebe52937246 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -898,6 +898,9 @@ bool intel_ddi_pll_mode_set(struct drm_crtc *crtc, int clock) plls->spll_refcount++; reg = SPLL_CTL; intel_crtc->ddi_pll_sel = PORT_CLK_SEL_SPLL; + } else { + DRM_ERROR("SPLL already in use\n"); + return false; } WARN(I915_READ(reg) & SPLL_PLL_ENABLE, |