Commit 605c8375 authored by Enric Balletbo i Serra's avatar Enric Balletbo i Serra Committed by Matthias Brugger
Browse files

drm/mediatek: mtk_dsi: Reset the dsi0 hardware 



Reset dsi0 HW to default when power on. This prevents to have different
settingis between the bootloader and the kernel.

As not all Mediatek boards have the reset consumer configured in their
board description, also is not needed on all of them, the reset is optional,
so the change is compatible with all boards.

Cc: Jitao Shi <jitao.shi@mediatek.com>
Suggested-by: default avatarChun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: default avatarEnric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: default avatarChun-Kuang Hu <chunkuang.hu@kernel.org>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20210930103105.v4.7.Idbb4727ddf00ba2fe796b630906baff10d994d89@changeid


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent f27ef285

drivers/gpu/drm/mediatek/mtk_dsi.c

+4 −1
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include <linux/of_platform.h>

#include <linux/phy/phy.h>

#include <linux/platform_device.h>

#include <linux/reset.h>



#include <video/mipi_display.h>

#include <video/videomode.h>
@@ -980,8 +981,10 @@ static int mtk_dsi_bind(struct device *dev, struct device *master, void *data) 
	struct mtk_dsi *dsi = dev_get_drvdata(dev);



	ret = mtk_dsi_encoder_init(drm, dsi);



	if (ret)

		return ret;



	return device_reset_optional(dev);

}



static void mtk_dsi_unbind(struct device *dev, struct device *master,