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drm/nvc0/disp: fix regression in vblank semaphore release

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Signed-off-by: Kelly Doran <kel.p.doran@gmail.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Kelly Doran 2012-11-07 10:02:04 +10:00 committed by Ben Skeggs
parent 7707b701eb
commit 11d92561c8
1 changed files with 12 additions and 8 deletions
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14
drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
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@ -22,6 +22,8 @@
* Authors: Ben Skeggs
*/
#include <subdev/bar.h>
#include <engine/software.h>
#include <engine/disp.h>
@ -37,6 +39,7 @@ nv50_disp_sclass[] = {
static void
nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc)
{
struct nouveau_bar *bar = nouveau_bar(priv);
struct nouveau_disp *disp = &priv->base;
struct nouveau_software_chan *chan, *temp;
unsigned long flags;
@ -46,18 +49,19 @@ nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc)
if (chan->vblank.crtc != crtc)
continue;
if (nv_device(priv)->chipset == 0x50) {
nv_wr32(priv, 0x001704, chan->vblank.channel);
nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma);
if (nv_device(priv)->chipset == 0x50) {
bar->flush(bar);
nv_wr32(priv, 0x001570, chan->vblank.offset);
nv_wr32(priv, 0x001574, chan->vblank.value);
} else {
if (nv_device(priv)->chipset >= 0xc0) {
nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel);
bar->flush(bar);
nv_wr32(priv, 0x06000c,
upper_32_bits(chan->vblank.offset));
}
nv_wr32(priv, 0x060010, chan->vblank.offset);
nv_wr32(priv, 0x060010,
lower_32_bits(chan->vblank.offset));
nv_wr32(priv, 0x060014, chan->vblank.value);
}