This is patch 2 of 4 to keep the repository bisectable.
Signed-off-by: Juergen Beisert <jbe@xxxxxxxxxxxxxx>
---
drivers/video/Kconfig | 10 ++++++++++
drivers/video/fb.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 7a89a3f..b600444 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -5,6 +5,16 @@ menuconfig VIDEO
if VIDEO
+comment "runtime options"
+
+config VIDEO_INFO_VERBOSE
+ bool "Verbose video info"
+ help
+ Say 'y' here to be more verbose when running the 'devinfo' command
+ on the framebuffer device.
+
+comment "drivers"
+
config DRIVER_VIDEO_IMX
bool "i.MX framebuffer driver"
depends on ARCH_IMX1 || ARCH_IMX21 || ARCH_IMX25 || ARCH_IMX27
diff --git a/drivers/video/fb.c b/drivers/video/fb.c
index 5806dbe..d1ba85a 100644
--- a/drivers/video/fb.c
+++ b/drivers/video/fb.c
@@ -162,6 +162,54 @@ static struct file_operations fb_ops = {
.ioctl = fb_ioctl,
};
+static void fb_info(struct device_d *fb_dev)
+{
+ struct fb_info *info = to_fb_info(fb_dev);
+
+ printf(" Video/Mode info:\n");
+ printf(" Video output %senabled\n", info->enabled != 0 ? "" : "not ");
+ printf(" Current video mode:\n");
+ if (info->active_mode != NULL) {
+ printf(" Name: %s\n", info->active_mode->name);
+#ifdef CONFIG_VIDEO_INFO_VERBOSE
+ if (info->active_mode->refresh == 0)
+ printf(" Refresh rate: undefined\n");
+ else
+ printf(" Refresh rate: %u Hz\n",
+ info->active_mode->refresh);
+ printf(" Horizontal active pixel: %u\n",
+ info->active_mode->xres);
+ printf(" Vertical active lines: %u\n",
+ info->active_mode->yres);
+ printf(" Pixel clock: %u kHz\n",
+ PICOS2KHZ(info->active_mode->pixclock));
+ printf(" Left/Right margin (pixel): %u/%u\n",
+ info->active_mode->left_margin,
+ info->active_mode->right_margin);
+ printf(" Upper/Lower margin (lines): %u/%u\n",
+ info->active_mode->upper_margin,
+ info->active_mode->lower_margin);
+ printf(" HSYNC length in pixel: %u, polarity: %s\n",
+ info->active_mode->hsync_len,
+ (info->active_mode->sync & FB_SYNC_HOR_HIGH_ACT) ?
+ "high" : "low");
+ printf(" VSYNC length in lines: %u, polarity: %s\n",
+ info->active_mode->vsync_len,
+ (info->active_mode->sync & FB_SYNC_VERT_HIGH_ACT) ?
+ "high" : "low");
+ printf(" Colour depth: %u bpp\n", info->bits_per_pixel);
+ printf(" Framebuffer size is: %u bytes\n", info->cdev.size);
+ /** @todo Add the remaining information from fb_videomode.
+ * How valuable they are?
+ */
+#endif
+ } else {
+ printf (" No video mode selected yet\n");
+ }
+
+ fb_list_modes(info->host);
+}
+
static int add_fb_parameter(struct fb_info *info)
{
char cd[10];
@@ -216,6 +264,7 @@ static int fb_probe(struct device_d *fb_dev)
static struct driver_d fb_driver = {
.name = "framebuffer",
.probe = fb_probe,
+ .info = fb_info,
};
static int framebuffer_init(void)
--
1.7.2.3
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