diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsb.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c index 475106e91fa7..24e6d63e2d47 100644 --- a/drivers/gpu/drm/i915/display/intel_dsb.c +++ b/drivers/gpu/drm/i915/display/intel_dsb.c @@ -169,15 +169,17 @@ void intel_dsb_indexed_reg_write(const struct intel_crtc_state *crtc_state, void intel_dsb_reg_write(const struct intel_crtc_state *crtc_state, i915_reg_t reg, u32 val) { - struct intel_dsb *dsb = crtc_state->dsb; struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - u32 *buf = dsb->cmd_buf; + struct intel_dsb *dsb; + u32 *buf; + dsb = crtc_state->dsb; if (!dsb) { intel_de_write(dev_priv, reg, val); return; } + buf = dsb->cmd_buf; if (drm_WARN_ON(&dev_priv->drm, dsb->free_pos >= DSB_BUF_SIZE)) { drm_dbg_kms(&dev_priv->drm, "DSB buffer overflow\n"); |