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video: display: use edid_get_timing_validate() variant to filter supported EDID modes

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Introduce a new display op, mode_valid() to be used with the newly
introduced edid_get_timing_validate() function, to filter supported
monitor timings if handled by the display driver.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong 2019-07-04 15:52:07 +02:00 committed by Anatolij Gustschin
parent 1c1ed441b0
commit eb4ee4e436
2 changed files with 24 additions and 1 deletions
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15
drivers/video/display-uclass.c
View File

@ -37,6 +37,17 @@ int display_enable(struct udevice *dev, int panel_bpp,
return 0;
}
static bool display_mode_valid(void *priv, const struct display_timing *timing)
{
struct udevice *dev = priv;
struct dm_display_ops *ops = display_get_ops(dev);
if (ops && ops->mode_valid)
return ops->mode_valid(dev, timing);
return true;
}
int display_read_timing(struct udevice *dev, struct display_timing *timing)
{
struct dm_display_ops *ops = display_get_ops(dev);
@ -53,7 +64,9 @@ int display_read_timing(struct udevice *dev, struct display_timing *timing)
if (ret < 0)
return ret;
return edid_get_timing(buf, ret, timing, &panel_bits_per_colour);
return edid_get_timing_validate(buf, ret, timing,
&panel_bits_per_colour,
display_mode_valid, dev);
}
bool display_in_use(struct udevice *dev)

10
include/display.h
View File

@ -80,6 +80,16 @@ struct dm_display_ops {
*/
int (*enable)(struct udevice *dev, int panel_bpp,
const struct display_timing *timing);
/**
* mode_valid() - Check if mode is supported
*
* @dev: Device to enable
* @timing: Display timings
* @return true if supported, false if not
*/
bool (*mode_valid)(struct udevice *dev,
const struct display_timing *timing);
};
#define display_get_ops(dev) ((struct dm_display_ops *)(dev)->driver->ops)