intel_de_posting_read(dev_priv, intel_dp->output_reg);
}
+static void intel_dp_get_pcon_dsc_cap(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
+ /* Clear the cached register set to avoid using stale values */
+
+ memset(intel_dp->pcon_dsc_dpcd, 0, sizeof(intel_dp->pcon_dsc_dpcd));
+
+ if (drm_dp_dpcd_read(&intel_dp->aux, DP_PCON_DSC_ENCODER,
+ intel_dp->pcon_dsc_dpcd,
+ sizeof(intel_dp->pcon_dsc_dpcd)) < 0)
+ drm_err(&i915->drm, "Failed to read DPCD register 0x%x\n",
+ DP_PCON_DSC_ENCODER);
+
+ drm_dbg_kms(&i915->drm, "PCON ENCODER DSC DPCD: %*ph\n",
+ (int)sizeof(intel_dp->pcon_dsc_dpcd), intel_dp->pcon_dsc_dpcd);
+}
+
static int intel_dp_pcon_get_frl_mask(u8 frl_bw_mask)
{
int bw_gbps[] = {9, 18, 24, 32, 40, 48};
intel_dp->dfp.min_tmds_clock,
intel_dp->dfp.max_tmds_clock,
intel_dp->dfp.pcon_max_frl_bw);
+
+ intel_dp_get_pcon_dsc_cap(intel_dp);
}
static void