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x86: video: Show information about each video device

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At present the 'bdinfo' command shows the framebuffer address, but not the
address of the copy framebuffer, if present. Add support for this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-09-22 21:16:40 -06:00 committed by Bin Meng
parent 29d2d64ed5
commit 308b1a960e
2 changed files with 33 additions and 5 deletions
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32
cmd/bdinfo.c
View File

@ -8,9 +8,11 @@
#include <common.h> #include <common.h>
#include <command.h> #include <command.h>
#include <dm.h>
#include <env.h> #include <env.h>
#include <lmb.h> #include <lmb.h>
#include <net.h> #include <net.h>
#include <video.h>
#include <vsprintf.h> #include <vsprintf.h>
#include <asm/cache.h> #include <asm/cache.h>
@ -34,6 +36,12 @@ static void print_eth(int idx)
printf("%-12s= %s\n", name, val); printf("%-12s= %s\n", name, val);
} }
static void print_phys_addr(const char *name, phys_addr_t value)
{
printf("%-12s= 0x%.*llx\n", name, 2 * (int)sizeof(ulong),
(unsigned long long)value);
}
void bdinfo_print_mhz(const char *name, unsigned long hz) void bdinfo_print_mhz(const char *name, unsigned long hz)
{ {
char buf[32]; char buf[32];
@ -58,6 +66,26 @@ __weak void arch_print_bdinfo(void)
{ {
} }
static void show_video_info(void)
{
const struct udevice *dev;
struct uclass *uc;
uclass_id_foreach_dev(UCLASS_VIDEO, dev, uc) {
printf("%-12s= %s %sactive\n", "Video", dev->name,
device_active(dev) ? "" : "in");
if (device_active(dev)) {
struct video_priv *upriv = dev_get_uclass_priv(dev);
print_phys_addr("FB base", (ulong)upriv->fb);
if (upriv->copy_fb)
print_phys_addr("FB copy", (ulong)upriv->copy_fb);
printf("%-12s= %dx%dx%d\n", "FB size", upriv->xsize,
upriv->ysize, 1 << upriv->bpix);
}
}
}
int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{ {
struct bd_info *bd = gd->bd; struct bd_info *bd = gd->bd;
@ -86,7 +114,9 @@ int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
bdinfo_print_num("fdt_blob", (ulong)gd->fdt_blob); bdinfo_print_num("fdt_blob", (ulong)gd->fdt_blob);
bdinfo_print_num("new_fdt", (ulong)gd->new_fdt); bdinfo_print_num("new_fdt", (ulong)gd->new_fdt);
bdinfo_print_num("fdt_size", (ulong)gd->fdt_size); bdinfo_print_num("fdt_size", (ulong)gd->fdt_size);
#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) || defined(CONFIG_DM_VIDEO) if (IS_ENABLED(CONFIG_DM_VIDEO))
show_video_info();
#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
bdinfo_print_num("FB base ", gd->fb_base); bdinfo_print_num("FB base ", gd->fb_base);
#endif #endif
#if CONFIG_IS_ENABLED(MULTI_DTB_FIT) #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)

6
include/video.h
View File

@ -13,8 +13,6 @@
#ifndef _VIDEO_H_ #ifndef _VIDEO_H_
#define _VIDEO_H_ #define _VIDEO_H_
#ifdef CONFIG_DM_VIDEO
#include <stdio_dev.h> #include <stdio_dev.h>
struct udevice; struct udevice;
@ -140,6 +138,7 @@ struct video_ops {
*/ */
int video_reserve(ulong *addrp); int video_reserve(ulong *addrp);
#ifdef CONFIG_DM_VIDEO
/** /**
* video_clear() - Clear a device's frame buffer to background color. * video_clear() - Clear a device's frame buffer to background color.
* *
@ -147,6 +146,7 @@ int video_reserve(ulong *addrp);
* @return 0 * @return 0
*/ */
int video_clear(struct udevice *dev); int video_clear(struct udevice *dev);
#endif /* CONFIG_DM_VIDEO */
/** /**
* video_sync() - Sync a device's frame buffer with its hardware * video_sync() - Sync a device's frame buffer with its hardware
@ -243,8 +243,6 @@ static inline int video_sync_copy(struct udevice *dev, void *from, void *to)
} }
#endif #endif
#endif /* CONFIG_DM_VIDEO */
#ifndef CONFIG_DM_VIDEO #ifndef CONFIG_DM_VIDEO
/* Video functions */ /* Video functions */