[U-Boot] [PATCH 1/8] imx-common: add board_video_skip

Stefano Babic
2014-04-04T10:05:06Z

Hi Eric,

On 02/04/2014 21:57, Eric B?nard wrote:
> this function is shared by several board and thus can be factorized
>
> Signed-off-by: Eric B?nard <eric@eukrea.com>
> ---
> arch/arm/imx-common/Makefile | 1 +
> arch/arm/imx-common/video.c | 55 +++++++++++++++++++++++++++++++++
> arch/arm/include/asm/imx-common/video.h | 20 ++++++++++++
> 3 files changed, 76 insertions(+)
> create mode 100644 arch/arm/imx-common/video.c
> create mode 100644 arch/arm/include/asm/imx-common/video.h
>
> diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
> index 16809fe..2a7fc42 100644
> --- a/arch/arm/imx-common/Makefile
> +++ b/arch/arm/imx-common/Makefile
> @@ -19,6 +19,7 @@ obj-y += misc.o
> endif
> ifeq ($(SOC),$(filter $(SOC),mx6))
> obj-$(CONFIG_CMD_SATA) += sata.o
> +obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o
> endif
> obj-$(CONFIG_CMD_BMODE) += cmd_bmode.o
> obj-$(CONFIG_CMD_HDMIDETECT) += cmd_hdmidet.o
> diff --git a/arch/arm/imx-common/video.c b/arch/arm/imx-common/video.c
> new file mode 100644
> index 0000000..8db5a84
> --- /dev/null
> +++ b/arch/arm/imx-common/video.c
> @@ -0,0 +1,55 @@
> +/*
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#include <common.h>
> +#include <asm/errno.h>
> +#include <asm/imx-common/video.h>
> +
> +extern struct display_info_t const displays[];
> +extern size_t display_number;
> +
> +int board_video_skip(void)
> +{
> + int i;
> + int ret;
> + char const *panel = getenv("panel");
> + if (!panel) {
> + for (i = 0; i < display_number; i++) {
> + struct display_info_t const *dev = displays+i;
> + if (dev->detect && dev->detect(dev)) {
> + panel = dev->mode.name;
> + printf("auto-detected panel %s\n", panel);
> + break;
> + }
> + }
> + if (!panel) {
> + panel = displays[0].mode.name;
> + printf("No panel detected: default to %s\n", panel);
> + i = 0;
> + }
> + } else {
> + for (i = 0; i < display_number; i++) {
> + if (!strcmp(panel, displays[i].mode.name))
> + break;
> + }
> + }
> + if (i < display_number) {
> + ret = ipuv3_fb_init(&displays[i].mode, 0,
> + displays[i].pixfmt);
> + if (!ret) {
> + displays[i].enable(displays+i);
> + printf("Display: %s (%ux%u)\n",
> + displays[i].mode.name,
> + displays[i].mode.xres,
> + displays[i].mode.yres);
> + } else
> + printf("LCD %s cannot be configured: %d\n",
> + displays[i].mode.name, ret);
> + } else {
> + printf("unsupported panel %s\n", panel);
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
> diff --git a/arch/arm/include/asm/imx-common/video.h b/arch/arm/include/asm/imx-common/video.h
> new file mode 100644
> index 0000000..e0c4ef4
> --- /dev/null
> +++ b/arch/arm/include/asm/imx-common/video.h
> @@ -0,0 +1,20 @@
> +/*
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#ifndef __IMX_VIDEO_H_
> +#define __IMX_VIDEO_H_
> +
> +#include <linux/fb.h>
> +#include <ipu_pixfmt.h>
> +
> +struct display_info_t {
> + int bus;
> + int addr;
> + int pixfmt;
> + int (*detect)(struct display_info_t const *dev);
> + void (*enable)(struct display_info_t const *dev);
> + struct fb_videomode mode;
> +};
> +
> +#endif
>

Nice clean up, thanks for this !

Acked-by: Stefano Babic <sbabic@denx.de>

Regards,
Stefano

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