Hi,
On Sat, May 26, 2018 at 08:24:40PM +0300, Laurent Pinchart wrote:
> The encoders duplicate the same omap_dss_device src and dst fields set
> and checks in their connect and disconnect handlers. Move the code to
> the connect and disconnect wrappers.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
-- Sebastian
> drivers/gpu/drm/omapdrm/displays/encoder-opa362.c | 10 ---------
> drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c | 10 ---------
> .../gpu/drm/omapdrm/displays/encoder-tpd12s015.c | 11 ----------
> drivers/gpu/drm/omapdrm/dss/base.c | 24 ++++++++++++++++++++--
> drivers/gpu/drm/omapdrm/dss/dpi.c | 5 -----
> drivers/gpu/drm/omapdrm/dss/dsi.c | 5 -----
> drivers/gpu/drm/omapdrm/dss/hdmi4.c | 5 -----
> drivers/gpu/drm/omapdrm/dss/hdmi5.c | 5 -----
> drivers/gpu/drm/omapdrm/dss/omapdss.h | 8 +++-----
> drivers/gpu/drm/omapdrm/dss/output.c | 6 ------
> drivers/gpu/drm/omapdrm/dss/sdi.c | 5 -----
> drivers/gpu/drm/omapdrm/dss/venc.c | 5 -----
> 12 files changed, 25 insertions(+), 74 deletions(-)
>
> diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
> index 5b9ef09e6b2d..6baca0dc2b62 100644
> --- a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
> +++ b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
> @@ -51,9 +51,6 @@ static int opa362_connect(struct omap_dss_device *dssdev,
> return r;
> }
>
> - dst->src = dssdev;
> - dssdev->dst = dst;
> -
> ddata->in = in;
> return 0;
> }
> @@ -64,13 +61,6 @@ static void opa362_disconnect(struct omap_dss_device *dssdev,
> struct panel_drv_data *ddata = to_panel_data(dssdev);
> struct omap_dss_device *in = ddata->in;
>
> - WARN_ON(dst != dssdev->dst);
> - if (dst != dssdev->dst)
> - return;
> -
> - dst->src = NULL;
> - dssdev->dst = NULL;
> -
> omapdss_device_disconnect(in, &ddata->dssdev);
>
> omap_dss_put_device(in);
> diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
> index b22c8f71c0e5..c1ae8bebf04d 100644
> --- a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
> +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
> @@ -47,9 +47,6 @@ static int tfp410_connect(struct omap_dss_device *dssdev,
> return r;
> }
>
> - dst->src = dssdev;
> - dssdev->dst = dst;
> -
> ddata->in = in;
> return 0;
> }
> @@ -60,13 +57,6 @@ static void tfp410_disconnect(struct omap_dss_device *dssdev,
> struct panel_drv_data *ddata = to_panel_data(dssdev);
> struct omap_dss_device *in = ddata->in;
>
> - WARN_ON(dst != dssdev->dst);
> - if (dst != dssdev->dst)
> - return;
> -
> - dst->src = NULL;
> - dssdev->dst = NULL;
> -
> omapdss_device_disconnect(in, &ddata->dssdev);
>
> omap_dss_put_device(in);
> diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
> index 640f15b88467..8aa338d01bf7 100644
> --- a/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
> +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
> @@ -55,9 +55,6 @@ static int tpd_connect(struct omap_dss_device *dssdev,
> return r;
> }
>
> - dst->src = dssdev;
> - dssdev->dst = dst;
> -
> gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 1);
> gpiod_set_value_cansleep(ddata->ls_oe_gpio, 1);
>
> @@ -74,17 +71,9 @@ static void tpd_disconnect(struct omap_dss_device *dssdev,
> struct panel_drv_data *ddata = to_panel_data(dssdev);
> struct omap_dss_device *in = ddata->in;
>
> - WARN_ON(dst != dssdev->dst);
> -
> - if (dst != dssdev->dst)
> - return;
> -
> gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 0);
> gpiod_set_value_cansleep(ddata->ls_oe_gpio, 0);
>
> - dst->src = NULL;
> - dssdev->dst = NULL;
> -
> omapdss_device_disconnect(in, &ddata->dssdev);
>
> omap_dss_put_device(in);
> diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c
> index 01c117d8775b..810dcddded8a 100644
> --- a/drivers/gpu/drm/omapdrm/dss/base.c
> +++ b/drivers/gpu/drm/omapdrm/dss/base.c
> @@ -105,15 +105,27 @@ struct omap_dss_device *omapdss_find_device_by_port(struct device_node *src,
> int omapdss_device_connect(struct omap_dss_device *src,
> struct omap_dss_device *dst)
> {
> + int ret;
> +
> dev_dbg(src->dev, "connect\n");
>
> if (omapdss_device_is_connected(src))
> return -EBUSY;
>
> if (src->driver)
> - return src->driver->connect(src);
> + ret = src->driver->connect(src);
> else
> - return src->ops->connect(src, dst);
> + ret = src->ops->connect(src, dst);
> +
> + if (ret < 0)
> + return ret;
> +
> + if (dst) {
> + dst->src = src;
> + src->dst = dst;
> + }
> +
> + return 0;
> }
> EXPORT_SYMBOL_GPL(omapdss_device_connect);
>
> @@ -127,6 +139,14 @@ void omapdss_device_disconnect(struct omap_dss_device *src,
> return;
> }
>
> + if (dst) {
> + if (WARN_ON(dst != src->dst))
> + return;
> +
> + dst->src = NULL;
> + src->dst = NULL;
> + }
> +
> if (src->driver)
> src->driver->disconnect(src);
> else
> diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c
> index 4516086e85fa..c13feaf8b086 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dpi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c
> @@ -671,11 +671,6 @@ static void dpi_disconnect(struct omap_dss_device *dssdev,
> {
> struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
>
> - WARN_ON(dst != dssdev->dst);
> -
> - if (dst != dssdev->dst)
> - return;
> -
> omapdss_output_unset_device(dssdev);
>
> dss_mgr_disconnect(&dpi->output, dssdev);
> diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
> index e4f496382617..4427389e0049 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dsi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
> @@ -4990,11 +4990,6 @@ static void dsi_disconnect(struct omap_dss_device *dssdev,
> {
> struct dsi_data *dsi = to_dsi_data(dssdev);
>
> - WARN_ON(dst != dssdev->dst);
> -
> - if (dst != dssdev->dst)
> - return;
> -
> omapdss_output_unset_device(dssdev);
>
> dss_mgr_disconnect(&dsi->output, dssdev);
> diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
> index e0406f2a90e7..7e5474e87c11 100644
> --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
> +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
> @@ -478,11 +478,6 @@ static void hdmi_disconnect(struct omap_dss_device *dssdev,
> {
> struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
>
> - WARN_ON(dst != dssdev->dst);
> -
> - if (dst != dssdev->dst)
> - return;
> -
> omapdss_output_unset_device(dssdev);
>
> dss_mgr_disconnect(&hdmi->output, dssdev);
> diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
> index 45d2eacedb2a..86b18ccb8d24 100644
> --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
> +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
> @@ -481,11 +481,6 @@ static void hdmi_disconnect(struct omap_dss_device *dssdev,
> {
> struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
>
> - WARN_ON(dst != dssdev->dst);
> -
> - if (dst != dssdev->dst)
> - return;
> -
> omapdss_output_unset_device(dssdev);
>
> dss_mgr_disconnect(&hdmi->output, dssdev);
> diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
> index 58bd6948bcde..0033adf534d3 100644
> --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
> +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
> @@ -391,6 +391,9 @@ struct omap_dss_device {
>
> struct module *owner;
>
> + struct omap_dss_device *src;
> + struct omap_dss_device *dst;
> +
> struct list_head list;
> struct list_head panel_list;
>
> @@ -409,8 +412,6 @@ struct omap_dss_device {
>
> enum omap_display_caps caps;
>
> - struct omap_dss_device *src;
> -
> enum omap_dss_display_state state;
>
> /* OMAP DSS output specific fields */
> @@ -426,9 +427,6 @@ struct omap_dss_device {
>
> /* the port number in the DT node */
> int port_num;
> -
> - /* dynamic fields */
> - struct omap_dss_device *dst;
> };
>
> struct omap_dss_driver {
> diff --git a/drivers/gpu/drm/omapdrm/dss/output.c b/drivers/gpu/drm/omapdrm/dss/output.c
> index e659c8e5c419..6abdb615a4c0 100644
> --- a/drivers/gpu/drm/omapdrm/dss/output.c
> +++ b/drivers/gpu/drm/omapdrm/dss/output.c
> @@ -47,9 +47,6 @@ int omapdss_output_set_device(struct omap_dss_device *out,
> goto err;
> }
>
> - out->dst = dssdev;
> - dssdev->src = out;
> -
> mutex_unlock(&output_lock);
>
> return 0;
> @@ -81,9 +78,6 @@ int omapdss_output_unset_device(struct omap_dss_device *out)
> goto err;
> }
>
> - out->dst->src = NULL;
> - out->dst = NULL;
> -
> mutex_unlock(&output_lock);
>
> return 0;
> diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c
> index 49499a2aae46..77a8f7d86f7a 100644
> --- a/drivers/gpu/drm/omapdrm/dss/sdi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/sdi.c
> @@ -298,11 +298,6 @@ static void sdi_disconnect(struct omap_dss_device *dssdev,
> {
> struct sdi_device *sdi = dssdev_to_sdi(dssdev);
>
> - WARN_ON(dst != dssdev->dst);
> -
> - if (dst != dssdev->dst)
> - return;
> -
> omapdss_output_unset_device(dssdev);
>
> dss_mgr_disconnect(&sdi->output, dssdev);
> diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c
> index c2ea182f1074..8ea622d02b5c 100644
> --- a/drivers/gpu/drm/omapdrm/dss/venc.c
> +++ b/drivers/gpu/drm/omapdrm/dss/venc.c
> @@ -740,11 +740,6 @@ static void venc_disconnect(struct omap_dss_device *dssdev,
> {
> struct venc_device *venc = dssdev_to_venc(dssdev);
>
> - WARN_ON(dst != dssdev->dst);
> -
> - if (dst != dssdev->dst)
> - return;
> -
> omapdss_output_unset_device(dssdev);
>
> dss_mgr_disconnect(&venc->output, dssdev);
> --
> Regards,
>
> Laurent Pinchart
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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