diff mbox series

[v3,6/8] drm/i915/dp: Write the source OUI for eDP before detecting sink capabilities

Message ID 20241016132405.2231744-7-imre.deak@intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915: Write source OUI for non-eDP sinks | expand

Commit Message

Imre Deak Oct. 16, 2024, 1:24 p.m. UTC
The eDP sink's capabilities, like DSC, may depend on the source OUI
written to the sink, so ensure the OUI is written before reading out the
capabilities.

Signed-off-by: Imre Deak <imre.deak@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Comments

Ville Syrjala Oct. 23, 2024, 12:15 p.m. UTC | #1
On Wed, Oct 16, 2024 at 04:24:03PM +0300, Imre Deak wrote:
> The eDP sink's capabilities, like DSC, may depend on the source OUI
> written to the sink, so ensure the OUI is written before reading out the
> capabilities.
> 
> Signed-off-by: Imre Deak <imre.deak@intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index e2c37680caa91..520cc6f50a126 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -4200,6 +4200,12 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector
>  		intel_dp->use_max_params = intel_dp->edp_dpcd[0] < DP_EDP_14;
>  	}
>  
> +	/*
> +	 * If needed, program our source OUI so we can make various Intel-specific AUX services
> +	 * available (such as HDR backlight controls)
> +	 */
> +	intel_dp_init_source_oui(intel_dp);
> +
>  	/*
>  	 * This has to be called after intel_dp->edp_dpcd is filled, PSR checks
>  	 * for SET_POWER_CAPABLE bit in intel_dp->edp_dpcd[1]
> @@ -4212,12 +4218,6 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector
>  	/* Read the eDP DSC DPCD registers */
>  	intel_dp_detect_dsc_caps(intel_dp, connector);
>  
> -	/*
> -	 * If needed, program our source OUI so we can make various Intel-specific AUX services
> -	 * available (such as HDR backlight controls)
> -	 */
> -	intel_dp_init_source_oui(intel_dp);
> -
>  	return true;
>  }
>  
> -- 
> 2.44.2
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index e2c37680caa91..520cc6f50a126 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -4200,6 +4200,12 @@  intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector
 		intel_dp->use_max_params = intel_dp->edp_dpcd[0] < DP_EDP_14;
 	}
 
+	/*
+	 * If needed, program our source OUI so we can make various Intel-specific AUX services
+	 * available (such as HDR backlight controls)
+	 */
+	intel_dp_init_source_oui(intel_dp);
+
 	/*
 	 * This has to be called after intel_dp->edp_dpcd is filled, PSR checks
 	 * for SET_POWER_CAPABLE bit in intel_dp->edp_dpcd[1]
@@ -4212,12 +4218,6 @@  intel_edp_init_dpcd(struct intel_dp *intel_dp, struct intel_connector *connector
 	/* Read the eDP DSC DPCD registers */
 	intel_dp_detect_dsc_caps(intel_dp, connector);
 
-	/*
-	 * If needed, program our source OUI so we can make various Intel-specific AUX services
-	 * available (such as HDR backlight controls)
-	 */
-	intel_dp_init_source_oui(intel_dp);
-
 	return true;
 }