diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 98967f3b7724..9dcad312b6e5 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4222,9 +4222,11 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, pipeconf &= ~PIPECONF_DOUBLE_WIDE; } - dspcntr |= DISPLAY_PLANE_ENABLE; - pipeconf |= PIPECONF_ENABLE; - dpll |= DPLL_VCO_ENABLE; + if (!HAS_PCH_SPLIT(dev)) { + dspcntr |= DISPLAY_PLANE_ENABLE; + pipeconf |= PIPECONF_ENABLE; + dpll |= DPLL_VCO_ENABLE; + } DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); drm_mode_debug_printmodeline(mode);