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video: Move last_sync to private data

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Rather than using a static variable, use the video device's private
data to remember when the last video sync was completed. This allows
each display to have its own sync and avoids using static data in SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2024-07-31 08:44:09 -06:00 committed by Anatolij Gustschin
parent 8ada14b4d9
commit b023948e4f
2 changed files with 5 additions and 7 deletions
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10
drivers/video/video-uclass.c
View File

@ -349,6 +349,7 @@ void video_set_default_colors(struct udevice *dev, bool invert)
/* Flush video activity to the caches */
int video_sync(struct udevice *vid, bool force)
{
struct video_priv *priv = dev_get_uclass_priv(vid);
struct video_ops *ops = video_get_ops(vid);
int ret;
@ -364,20 +365,15 @@ int video_sync(struct udevice *vid, bool force)
* out whether it exists? For now, ARM is safe.
*/
#if defined(CONFIG_ARM) && !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
struct video_priv *priv = dev_get_uclass_priv(vid);
if (priv->flush_dcache) {
flush_dcache_range((ulong)priv->fb,
ALIGN((ulong)priv->fb + priv->fb_size,
CONFIG_SYS_CACHELINE_SIZE));
}
#elif defined(CONFIG_VIDEO_SANDBOX_SDL)
struct video_priv *priv = dev_get_uclass_priv(vid);
static ulong last_sync;
if (force || get_timer(last_sync) > 100) {
if (force || get_timer(priv->last_sync) > 100) {
sandbox_sdl_sync(priv->fb);
last_sync = get_timer(0);
priv->last_sync = get_timer(0);
}
#endif
return 0;

2
include/video.h
View File

@ -97,6 +97,7 @@ enum video_format {
* the LCD is updated
* @fg_col_idx: Foreground color code (bit 3 = bold, bit 0-2 = color)
* @bg_col_idx: Background color code (bit 3 = bold, bit 0-2 = color)
* @last_sync: Monotonic time of last video sync
*/
struct video_priv {
/* Things set up by the driver: */
@ -121,6 +122,7 @@ struct video_priv {
bool flush_dcache;
u8 fg_col_idx;
u8 bg_col_idx;
ulong last_sync;
};
/**