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Handle framebuffers where the first pixel isn't page aligned in a similar 

way to the xf86-video-wsfb driver.

ok matthieu@
pull/1/head
kettenis 2022-07-21 18:21:06 +00:00
parent cd754d807d
commit 26ef013041
1 changed files with 4 additions and 4 deletions
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8
driver/xf86-video-wsudl/src/wsudl_driver.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: wsudl_driver.c,v 1.13 2019/08/08 12:04:36 matthieu Exp $ */
/* $OpenBSD: wsudl_driver.c,v 1.14 2022/07/21 18:21:06 kettenis Exp $ */
/*
* Copyright (c) 2009 Marcus Glocker <mglocker@openbsd.org>
@ -573,14 +573,14 @@ WsudlScreenInit(SCREEN_INIT_ARGS_DECL)
}
/* memory map framebuffer from kernel driver */
fPtr->fbmem = mmap(NULL, pScrn->videoRam,
fPtr->fbmem = mmap(NULL, pScrn->videoRam + fPtr->info.offset,
PROT_READ | PROT_WRITE, MAP_SHARED, fPtr->fd, 0);
if (fPtr->fbmem == MAP_FAILED) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"mmap failed: %s\n", strerror(errno));
return (FALSE);
}
fPtr->fbmem_len = pScrn->videoRam;
fPtr->fbmem_len = pScrn->videoRam + fPtr->info.offset;
/* TODO: save colormap with WsudlSave()? maybe not needed for us */
pScrn->vtSema = TRUE;
@ -600,7 +600,7 @@ WsudlScreenInit(SCREEN_INIT_ARGS_DECL)
if (!miSetPixmapDepths())
return (FALSE);
fPtr->fbstart = fPtr->fbmem;
fPtr->fbstart = fPtr->fbmem + fPtr->info.offset;
r = fbScreenInit(pScreen, fPtr->fbstart,
pScrn->virtualX,