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-rw-r--r--drivers/gpu/drm/i915/icl_dsi.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
index 83cd8284e807..43b7b80ffa21 100644
--- a/drivers/gpu/drm/i915/icl_dsi.c
+++ b/drivers/gpu/drm/i915/icl_dsi.c
@@ -598,6 +598,12 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder,
val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port);
}
I915_WRITE(DPCLKA_CFGCR0_ICL, val);
+
+ for_each_dsi_port(port, intel_dsi->ports) {
+ val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port);
+ }
+ I915_WRITE(DPCLKA_CFGCR0_ICL, val);
+
POSTING_READ(DPCLKA_CFGCR0_ICL);
mutex_unlock(&dev_priv->dpll_lock);