diff options
| author | Ben Skeggs <darktama@iinet.net.au> | 2006-11-14 04:51:13 +1100 |
|---|---|---|
| committer | Ben Skeggs <darktama@iinet.net.au> | 2006-11-14 04:51:13 +1100 |
| commit | 9ef4bbc66c1b055b4450ea9354945d784751cef7 (patch) | |
| tree | 45ace329b93e4165fe3e6ac9c0ea9ad2bc17f374 /shared-core/nouveau_fifo.c | |
| parent | f7affda35bb0c47fbc973725e05847669e215d46 (diff) | |
Hack around yet another "X restart borkage without nouveau.ko reload" problem.
On X init, PFIFO and PGRAPH are reset to defaults. This causes the GPU to
loose the configuration done by the drm. Perhaps a CARD_INIT ioctl a proper
solution to having this problem again in the future..
Diffstat (limited to 'shared-core/nouveau_fifo.c')
| -rw-r--r-- | shared-core/nouveau_fifo.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c index cf389647..ef63f084 100644 --- a/shared-core/nouveau_fifo.c +++ b/shared-core/nouveau_fifo.c @@ -178,7 +178,6 @@ static int nouveau_dma_init(struct drm_device *dev) dev_priv->cmdbuf_ch_size = (uint32_t)cb->size / nouveau_fifo_number(dev); dev_priv->cmdbuf_alloc = cb; - nouveau_fifo_init(dev); DRM_INFO("DMA command buffer is %dKiB at 0x%08x(%s)\n", (uint32_t)cb->size>>10, (uint32_t)cb->start, config->cmdbuf.location == NOUVEAU_MEM_FB ? "VRAM" : "AGP"); @@ -306,6 +305,9 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init, if (ret) return ret; } + /* Initialise PFIFO regs */ + if (!dev_priv->fifo_alloc_count) + nouveau_fifo_init(dev); /* * Alright, here is the full story @@ -409,6 +411,7 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init, /* FIFO has no objects yet */ dev_priv->fifos[init->channel].objs = NULL; + dev_priv->fifo_alloc_count++; DRM_INFO("%s: initialised FIFO %d\n", __func__, init->channel); return 0; @@ -438,6 +441,8 @@ void nouveau_fifo_free(drm_device_t* dev,int n) /* reenable the fifo caches */ NV_WRITE(NV_PFIFO_CACHES, 0x00000001); + + dev_priv->fifo_alloc_count--; } /* cleanups all the fifos from filp */ |