Re: [PATCH 21/21] drm/omap: Don't call HDMI mode and infoframe operations recursively

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Hi,

On Wed, Jun 06, 2018 at 12:36:50PM +0300, Laurent Pinchart wrote:
> The HDMI mode (.set_hdmi_mode()) and infoframe (.set_infoframe())
> operations are called recursively from the display device back to the
> HDMI encoder. This isn't required, as all components other than the HDMI
> encoder just forward the operation to the previous component in the
> chain. Call the operations directly on the HDMI encoder.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>

-- Sebastian

>  drivers/gpu/drm/omapdrm/displays/connector-hdmi.c   | 20 --------------------
>  .../gpu/drm/omapdrm/displays/encoder-tpd12s015.c    | 21 ---------------------
>  drivers/gpu/drm/omapdrm/omap_encoder.c              |  2 +-
>  3 files changed, 1 insertion(+), 42 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
> index 16dc22edcb8e..fe6d2923ed81 100644
> --- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
> +++ b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
> @@ -154,21 +154,6 @@ static void hdmic_unregister_hpd_cb(struct omap_dss_device *dssdev)
>  	mutex_unlock(&ddata->hpd_lock);
>  }
>  
> -static int hdmic_set_hdmi_mode(struct omap_dss_device *dssdev, bool hdmi_mode)
> -{
> -	struct omap_dss_device *src = dssdev->src;
> -
> -	return src->ops->hdmi.set_hdmi_mode(src, hdmi_mode);
> -}
> -
> -static int hdmic_set_infoframe(struct omap_dss_device *dssdev,
> -		const struct hdmi_avi_infoframe *avi)
> -{
> -	struct omap_dss_device *src = dssdev->src;
> -
> -	return src->ops->hdmi.set_infoframe(src, avi);
> -}
> -
>  static const struct omap_dss_device_ops hdmic_ops = {
>  	.connect		= hdmic_connect,
>  	.disconnect		= hdmic_disconnect,
> @@ -183,11 +168,6 @@ static const struct omap_dss_device_ops hdmic_ops = {
>  	.detect			= hdmic_detect,
>  	.register_hpd_cb	= hdmic_register_hpd_cb,
>  	.unregister_hpd_cb	= hdmic_unregister_hpd_cb,
> -
> -	.hdmi = {
> -		.set_hdmi_mode	= hdmic_set_hdmi_mode,
> -		.set_infoframe	= hdmic_set_infoframe,
> -	},
>  };
>  
>  static irqreturn_t hdmic_hpd_isr(int irq, void *data)
> diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
> index dbbf9683bd51..3ad60f4b331e 100644
> --- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
> +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
> @@ -145,22 +145,6 @@ static void tpd_unregister_hpd_cb(struct omap_dss_device *dssdev)
>  	mutex_unlock(&ddata->hpd_lock);
>  }
>  
> -static int tpd_set_infoframe(struct omap_dss_device *dssdev,
> -		const struct hdmi_avi_infoframe *avi)
> -{
> -	struct omap_dss_device *src = dssdev->src;
> -
> -	return src->ops->hdmi.set_infoframe(src, avi);
> -}
> -
> -static int tpd_set_hdmi_mode(struct omap_dss_device *dssdev,
> -		bool hdmi_mode)
> -{
> -	struct omap_dss_device *src = dssdev->src;
> -
> -	return src->ops->hdmi.set_hdmi_mode(src, hdmi_mode);
> -}
> -
>  static const struct omap_dss_device_ops tpd_ops = {
>  	.connect		= tpd_connect,
>  	.disconnect		= tpd_disconnect,
> @@ -171,11 +155,6 @@ static const struct omap_dss_device_ops tpd_ops = {
>  	.detect			= tpd_detect,
>  	.register_hpd_cb	= tpd_register_hpd_cb,
>  	.unregister_hpd_cb	= tpd_unregister_hpd_cb,
> -
> -	.hdmi = {
> -		.set_infoframe		= tpd_set_infoframe,
> -		.set_hdmi_mode		= tpd_set_hdmi_mode,
> -	},
>  };
>  
>  static irqreturn_t tpd_hpd_isr(int irq, void *data)
> diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c
> index 2689ae74ea60..94b75d018e71 100644
> --- a/drivers/gpu/drm/omapdrm/omap_encoder.c
> +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c
> @@ -58,7 +58,7 @@ static void omap_encoder_mode_set(struct drm_encoder *encoder,
>  {
>  	struct drm_device *dev = encoder->dev;
>  	struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
> -	struct omap_dss_device *dssdev = omap_encoder->display;
> +	struct omap_dss_device *dssdev = omap_encoder->output;
>  	struct drm_connector *connector;
>  	bool hdmi_mode;
>  	int r;
> -- 
> Regards,
> 
> Laurent Pinchart
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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