On Fri, Jul 18, 2014 at 02:13:58AM +0530, Ajay Kumar wrote:
> From: Rahul Sharma <Rahul.Sharma@xxxxxxxxxxx>
>
> This patch adds ps8622 lvds bridge discovery code to the dp driver.
>
> Signed-off-by: Rahul Sharma <Rahul.Sharma@xxxxxxxxxxx>
> Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/exynos/exynos_dp_core.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
> index 0ca6256..82e2942 100644
> --- a/drivers/gpu/drm/exynos/exynos_dp_core.c
> +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
> @@ -31,6 +31,7 @@
> #include <drm/drm_panel.h>
> #include <drm/bridge/ptn3460.h>
> #include <drm/bridge/panel_binder.h>
> +#include <drm/bridge/ps8622.h>
>
> #include "exynos_drm_drv.h"
> #include "exynos_dp_core.h"
> @@ -999,6 +1000,10 @@ static int exynos_drm_attach_lcd_bridge(struct exynos_dp_device *dp,
> if (find_bridge("nxp,ptn3460", &bridge)) {
> bridge_chain = ptn3460_init(dp->drm_dev, encoder, bridge.client,
> bridge.node);
> + } else if (find_bridge("parade,ps8622", &bridge) ||
> + find_bridge("parade,ps8625", &bridge)) {
> + bridge_chain = ps8622_init(dp->drm_dev, encoder, bridge.client,
> + bridge.node);
> }
We really ought to be adding some sort of registry at some point.
Otherwise every driver that wants to use bridges needs to come up with a
similar set of helpers to instantiate them.
Also you're making this driver depend on (now) two bridges, whereas it
really shouldn't matter which exact types it supports. Bridges should be
exposed via a generic interface.
Thierry
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