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drm/nvc0: explicitly map PDISP semaphore buffer into each channel's vm

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-06-07 15:43:31 +10:00
parent 9f9f51fcb9
commit 3d483d575b
3 changed files with 19 additions and 2 deletions
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1
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -293,6 +293,7 @@ struct nouveau_channel {
uint32_t sw_subchannel[8];
struct nouveau_vma dispc_vma[2];
struct {
struct nouveau_gpuobj *vblsem;
uint32_t vblsem_head;

16
drivers/gpu/drm/nouveau/nouveau_object.c
View File

@ -717,6 +717,17 @@ nouveau_gpuobj_channel_init(struct nouveau_channel *chan,
nv_wo32(chan->ramin, 0x0204, upper_32_bits(vpgd->obj->vinst));
nv_wo32(chan->ramin, 0x0208, 0xffffffff);
nv_wo32(chan->ramin, 0x020c, 0x000000ff);
for (i = 0; i < 2; i++) {
struct nv50_display_crtc *dispc =
&nv50_display(dev)->crtc[i];
ret = nouveau_bo_vma_add(dispc->sem.bo, chan->vm,
&chan->dispc_vma[i]);
if (ret)
return ret;
}
return 0;
}
@ -841,9 +852,14 @@ void
nouveau_gpuobj_channel_takedown(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
int i;
NV_DEBUG(dev, "ch%d\n", chan->id);
for (i = 0; i < 2; i++) {
struct nv50_display_crtc *dispc = &nv50_display(dev)->crtc[i];
nouveau_bo_vma_del(dispc->sem.bo, &chan->dispc_vma[i]);
}
nouveau_vm_ref(NULL, &chan->vm, chan->vm_pd);
nouveau_gpuobj_ref(NULL, &chan->vm_pd);

4
drivers/gpu/drm/nouveau/nv50_display.c
View File

@ -415,8 +415,6 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
/* synchronise with the rendering channel, if necessary */
if (likely(chan)) {
u64 offset = dispc->sem.bo->vma.offset + dispc->sem.offset;
ret = RING_SPACE(chan, 10);
if (ret) {
WIND_RING(evo);
@ -438,6 +436,8 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
else
OUT_RING (chan, chan->vram_handle);
} else {
u64 offset = chan->dispc_vma[nv_crtc->index].offset;
offset += dispc->sem.offset;
BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0010, 4);
OUT_RING (chan, upper_32_bits(offset));
OUT_RING (chan, lower_32_bits(offset));