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support screen blanking of r5xx 

somewhat crude but works
This commit is contained in:
macallan 2020-10-30 15:30:43 +00:00
parent c732986825
commit 62e8427cc0
1 changed files with 24 additions and 5 deletions
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29
sys/dev/pci/radeonfb.c
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@ -1,4 +1,4 @@
/* $NetBSD: radeonfb.c,v 1.111 2020/10/11 21:41:57 jdc Exp $ */
/* $NetBSD: radeonfb.c,v 1.112 2020/10/30 15:30:43 macallan Exp $ */
/*-
* Copyright (c) 2006 Itronix Inc.
@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.111 2020/10/11 21:41:57 jdc Exp $");
__KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.112 2020/10/30 15:30:43 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -2558,11 +2558,14 @@ radeonfb_isblank(struct radeonfb_display *dp)
struct radeonfb_softc *sc = dp->rd_softc;
uint32_t reg, mask;
if (IS_AVIVO(sc)) return 0;
if(!dp->rd_softc->sc_mapped)
return 1;
if (IS_AVIVO(sc)) {
reg = GET32(sc, AVIVO_D1CRTC_CONTROL);
return ((reg & AVIVO_CRTC_EN) == 0);
}
if (dp->rd_crtcs[0].rc_number) {
reg = RADEON_CRTC2_GEN_CNTL;
mask = RADEON_CRTC2_DISP_DIS;
@ -2581,11 +2584,27 @@ radeonfb_blank(struct radeonfb_display *dp, int blank)
uint32_t fpreg, fpval;
int i;
if(IS_AVIVO(sc)) return;
if (!sc->sc_mapped)
return;
if(IS_AVIVO(sc)) {
/*
* XXX
* I don't know how to turn the sunc outputs off for DPMS
* power control, so for now just turn the entire CRTC off
*/
if (blank) {
CLR32(sc, AVIVO_D1CRTC_CONTROL, AVIVO_CRTC_EN);
CLR32(sc, AVIVO_D2CRTC_CONTROL, AVIVO_CRTC_EN);
} else {
SET32(sc, AVIVO_D1CRTC_CONTROL, AVIVO_CRTC_EN);
SET32(sc, AVIVO_D2CRTC_CONTROL, AVIVO_CRTC_EN);
}
return;
}
/* non-AVIVO case */
for (i = 0; i < dp->rd_ncrtcs; i++) {
if (dp->rd_crtcs[i].rc_number) {