diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 176d23fa49c3..1e5bfe84f31e 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5430,6 +5430,11 @@ static void broxton_set_cdclk(struct drm_i915_private *dev_priv, int cdclk) DRM_ERROR("timeout waiting for DE PLL lock\n"); val = I915_READ(CDCLK_CTL); + /* + * FIXME if only the cd2x divider needs changing, it could be done + * without shutting off the pipe (if only one pipe is active). + */ + val |= BXT_CDCLK_CD2X_PIPE_NONE; val &= ~BXT_CDCLK_CD2X_DIV_SEL_MASK; val |= divider; /* |