On 10/9/2024 4:07, Matt Atwood wrote:
From: Suraj Kandpal <[email protected]>

Add condition for P2.PG power down value.

Bspec: 74494
Signed-off-by: Suraj Kandpal <[email protected]>
Signed-off-by: Matt Atwood <[email protected]>
Reviewed-by: Shekhar Chauhan <[email protected]>
---
  drivers/gpu/drm/i915/display/intel_cx0_phy.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c 
b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index 1c8c2a2b05e1..3d95ee65a9f1 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -3144,7 +3144,8 @@ static u8 cx0_power_control_disable_val(struct 
intel_encoder *encoder)
        if (intel_encoder_is_c10phy(encoder))
                return CX0_P2PG_STATE_DISABLE;
- if (IS_BATTLEMAGE(i915) && encoder->port == PORT_A)
+       if ((IS_BATTLEMAGE(i915) && encoder->port == PORT_A) ||
+           (DISPLAY_VER(i915) >= 30 && encoder->type == INTEL_OUTPUT_EDP))
                return CX0_P2PG_STATE_DISABLE;
return CX0_P4PG_STATE_DISABLE;

--
-shekhar

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