diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c index 6abfd0fc541a..fbcbf9efd039 100644 --- a/drivers/gpu/drm/i915/display/intel_dsb.c +++ b/drivers/gpu/drm/i915/display/intel_dsb.c @@ -97,7 +97,7 @@ void intel_dsb_indexed_reg_write(struct intel_dsb *dsb, u32 *buf = dsb->cmd_buf; u32 reg_val; - if (drm_WARN_ON(&dev_priv->drm, dsb->free_pos >= DSB_BUF_SIZE)) { + if (drm_WARN_ON(&dev_priv->drm, ALIGN(dsb->free_pos, 2) > DSB_BUF_SIZE / 4 - 2)) { drm_dbg_kms(&dev_priv->drm, "DSB buffer overflow\n"); return; } @@ -167,7 +167,7 @@ void intel_dsb_reg_write(struct intel_dsb *dsb, struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); u32 *buf = dsb->cmd_buf; - if (drm_WARN_ON(&dev_priv->drm, dsb->free_pos >= DSB_BUF_SIZE)) { + if (drm_WARN_ON(&dev_priv->drm, ALIGN(dsb->free_pos, 2) > DSB_BUF_SIZE / 4 - 2)) { drm_dbg_kms(&dev_priv->drm, "DSB buffer overflow\n"); return; } |