diff mbox series

[13/42] drm/i915: Re-order if/else ladder in intel_detect_pch()

Message ID 20230823170740.1180212-14-lucas.demarchi@intel.com (mailing list archive)
State New, archived
Headers show
Series Enable Lunar Lake display | expand

Commit Message

Lucas De Marchi Aug. 23, 2023, 5:07 p.m. UTC
Follow the convention of checking the last platform first and reword the
comment to convey there are more platforms than just DG1.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
 drivers/gpu/drm/i915/soc/intel_pch.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

Comments

Matt Roper Aug. 23, 2023, 6:04 p.m. UTC | #1
On Wed, Aug 23, 2023 at 10:07:11AM -0700, Lucas De Marchi wrote:
> Follow the convention of checking the last platform first and reword the
> comment to convey there are more platforms than just DG1.
> 
> Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>

> ---
>  drivers/gpu/drm/i915/soc/intel_pch.c | 13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/soc/intel_pch.c b/drivers/gpu/drm/i915/soc/intel_pch.c
> index ba9843cb1b13..cf795ecdcc26 100644
> --- a/drivers/gpu/drm/i915/soc/intel_pch.c
> +++ b/drivers/gpu/drm/i915/soc/intel_pch.c
> @@ -216,13 +216,16 @@ void intel_detect_pch(struct drm_i915_private *dev_priv)
>  	unsigned short id;
>  	enum intel_pch pch_type;
>  
> -	/* DG1 has south engine display on the same PCI device */
> -	if (IS_DG1(dev_priv)) {
> -		dev_priv->pch_type = PCH_DG1;
> -		return;
> -	} else if (IS_DG2(dev_priv)) {
> +	/*
> +	 * South display engine on the same PCI device: just assign the fake
> +	 * PCH.
> +	 */
> +	if (IS_DG2(dev_priv)) {
>  		dev_priv->pch_type = PCH_DG2;
>  		return;
> +	} else if (IS_DG1(dev_priv)) {
> +		dev_priv->pch_type = PCH_DG1;
> +		return;
>  	}
>  
>  	/*
> -- 
> 2.40.1
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/soc/intel_pch.c b/drivers/gpu/drm/i915/soc/intel_pch.c
index ba9843cb1b13..cf795ecdcc26 100644
--- a/drivers/gpu/drm/i915/soc/intel_pch.c
+++ b/drivers/gpu/drm/i915/soc/intel_pch.c
@@ -216,13 +216,16 @@  void intel_detect_pch(struct drm_i915_private *dev_priv)
 	unsigned short id;
 	enum intel_pch pch_type;
 
-	/* DG1 has south engine display on the same PCI device */
-	if (IS_DG1(dev_priv)) {
-		dev_priv->pch_type = PCH_DG1;
-		return;
-	} else if (IS_DG2(dev_priv)) {
+	/*
+	 * South display engine on the same PCI device: just assign the fake
+	 * PCH.
+	 */
+	if (IS_DG2(dev_priv)) {
 		dev_priv->pch_type = PCH_DG2;
 		return;
+	} else if (IS_DG1(dev_priv)) {
+		dev_priv->pch_type = PCH_DG1;
+		return;
 	}
 
 	/*