diff options
| author | Simon Glass <[email protected]> | 2023-09-19 21:00:11 -0600 |
|---|---|---|
| committer | Bin Meng <[email protected]> | 2023-09-22 06:05:40 +0800 |
| commit | 3fef0def84e65d399658b1d028ad558329a0669a (patch) | |
| tree | 61b355812a48a710ca782ca9ffa04c1e6ed665f2 /drivers | |
| parent | 85c35c794e637d88042656157cd00541640815c1 (diff) | |
x86: coreboot: Enable VIDEO_COPY
At least on modern machines the write-back mechanism for the frame buffer
is quite slow when scrolling, since it must read the entire frame buffer
and write it back.
Enable the VIDEO_COPY feature to resolve this problem.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/coreboot.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/video/coreboot.c b/drivers/video/coreboot.c index c586475e41e..5b718ae3e5a 100644 --- a/drivers/video/coreboot.c +++ b/drivers/video/coreboot.c @@ -73,6 +73,17 @@ err: return ret; } +static int coreboot_video_bind(struct udevice *dev) +{ + struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev); + + /* Set the maximum supported resolution */ + uc_plat->size = 4096 * 2160 * 4; + log_debug("%s: Frame buffer size %x\n", __func__, uc_plat->size); + + return 0; +} + static const struct udevice_id coreboot_video_ids[] = { { .compatible = "coreboot-fb" }, { } @@ -82,5 +93,6 @@ U_BOOT_DRIVER(coreboot_video) = { .name = "coreboot_video", .id = UCLASS_VIDEO, .of_match = coreboot_video_ids, + .bind = coreboot_video_bind, .probe = coreboot_video_probe, }; |