Quoting Ankit Nautiyal (2023-05-05 08:09:17)

For ADL-P the timeout for DDI_BUF_CTL active is 500usec. Update the same as per Bspec:55424.

I think the Bspec number could go as a trailer. We could also add BSpec 49191 here.

Acked-by: Gustavo Sousa gustavo.sousa@intel.com

Fixes: 5add4575c298 ("drm/i915/ddi: Align timeout for DDI_BUF_CTL active with Bspec") Cc: Ankit Nautiyal ankit.k.nautiyal@intel.com Cc: Imre Deak imre.deak@intel.com Cc: Lucas De Marchi lucas.demarchi@intel.com Cc: stable@vger.kernel.org # v6.3+

Signed-off-by: Ankit Nautiyal ankit.k.nautiyal@intel.com

drivers/gpu/drm/i915/display/intel_ddi.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 55f36d9d509c..6d8e4d7a784e 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -216,8 +216,11 @@ static void intel_wait_ddi_buf_active(struct drm_i915_private *dev_priv, } else if (DISPLAY_VER(dev_priv) >= 12) { if (intel_phy_is_tc(dev_priv, phy)) timeout_us = 3000;

•      else if (IS_ALDERLAKE_P(dev_priv))
  

•              timeout_us = 500;
           else
                   timeout_us = 1000;
  

•  } else {
           timeout_us = 500;
   }
  

-- 2.25.1