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only read the backlight level register on mobility chips

This commit is contained in:
macallan 2020-06-11 07:51:26 +00:00
parent c0d0309dde
commit 5afb4d35f0
1 changed files with 6 additions and 3 deletions
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9
sys/dev/pci/radeonfb.c
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@ -1,4 +1,4 @@
/* $NetBSD: radeonfb.c,v 1.107 2020/06/11 07:46:59 macallan Exp $ */
/* $NetBSD: radeonfb.c,v 1.108 2020/06/11 07:51:26 macallan Exp $ */
/*-
* Copyright (c) 2006 Itronix Inc.
@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.107 2020/06/11 07:46:59 macallan Exp $");
__KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.108 2020/06/11 07:51:26 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -1022,7 +1022,10 @@ radeonfb_attach(device_t parent, device_t dev, void *aux)
callout_setfunc(&dp->rd_bl_lvds_co,
radeonfb_lvds_callout, dp);
dp->rd_bl_on = 1;
dp->rd_bl_level = radeonfb_get_backlight(dp);
if (sc->sc_flags & RFB_MOB) {
dp->rd_bl_level = radeonfb_get_backlight(dp);
} else
dp->rd_bl_level = 128;
radeonfb_set_backlight(dp, dp->rd_bl_level);
}