No need to keep it on till IO enabling.
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/icl_dsi.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index d1c50a4186f0..99ce8c708353 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -609,8 +609,12 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder,
I915_WRITE(DPCLKA_CFGCR0_ICL, val);
for_each_dsi_port(port, intel_dsi->ports) {
- val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port);
+ if (INTEL_GEN(dev_priv) >= 12)
+ val |= DPCLKA_CFGCR0_DDI_CLK_OFF(port);
+ else
+ val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port);
}
+
I915_WRITE(DPCLKA_CFGCR0_ICL, val);
POSTING_READ(DPCLKA_CFGCR0_ICL);
@@ -955,6 +959,8 @@ static void
gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config)
{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+
/* step 4a: power up all lanes of the DDI used by DSI */
gen11_dsi_power_up_lanes(encoder);
@@ -977,7 +983,8 @@ gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder,
gen11_dsi_configure_transcoder(encoder, pipe_config);
/* Step 4l: Gate DDI clocks */
- gen11_dsi_gate_clocks(encoder);
+ if (IS_GEN(dev_priv, 11))
+ gen11_dsi_gate_clocks(encoder);
}
static void gen11_dsi_powerup_panel(struct intel_encoder *encoder)
--
2.21.0.5.gaeb582a
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