diff options
| author | Stephane Marchesin <marchesin@icps.u-strasbg.fr> | 2007-01-05 20:49:34 +0100 |
|---|---|---|
| committer | Stephane Marchesin <marchesin@icps.u-strasbg.fr> | 2007-01-05 20:49:34 +0100 |
| commit | 025f281bbfe81960e8c60234f5eafd37cbe2d881 (patch) | |
| tree | 3fef7c6ed9853ccc02ae354439e569d37778bc2e /shared-core | |
| parent | f80659bc2967dbed4aed0d44a550bb4a9e4569b5 (diff) | |
nouveau: Add an mtrr over the whole FB
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/nouveau_drv.h | 4 | ||||
| -rw-r--r-- | shared-core/nouveau_state.c | 16 |
2 files changed, 19 insertions, 1 deletions
diff --git a/shared-core/nouveau_drv.h b/shared-core/nouveau_drv.h index 6e998f3a..7f012d65 100644 --- a/shared-core/nouveau_drv.h +++ b/shared-core/nouveau_drv.h @@ -129,6 +129,9 @@ typedef struct drm_nouveau_private { uint64_t fb_phys; uint64_t agp_phys; + /* the mtrr covering the FB */ + int fb_mtrr; + struct mem_block *agp_heap; struct mem_block *fb_heap; struct mem_block *fb_nomap_heap; @@ -142,6 +145,7 @@ drm_nouveau_private_t; extern void nouveau_preclose(drm_device_t * dev, DRMFILE filp); extern int nouveau_load(struct drm_device *dev, unsigned long flags); extern int nouveau_firstopen(struct drm_device *dev); +extern void nouveau_lastclose(struct drm_device *dev); extern int nouveau_unload(struct drm_device *dev); extern int nouveau_ioctl_getparam(DRM_IOCTL_ARGS); extern int nouveau_ioctl_setparam(DRM_IOCTL_ARGS); diff --git a/shared-core/nouveau_state.c b/shared-core/nouveau_state.c index c66ecd4e..2d0f7985 100644 --- a/shared-core/nouveau_state.c +++ b/shared-core/nouveau_state.c @@ -46,7 +46,7 @@ int nouveau_firstopen(struct drm_device *dev) /* resource 0 is mmio regs */ /* resource 1 is linear FB */ - /* resource 2 is ??? (mmio regs + 0x1000000) */ + /* resource 2 is RAMIN (mmio regs + 0x1000000) */ /* resource 6 is bios */ /* map the mmio regs */ @@ -71,6 +71,11 @@ int nouveau_firstopen(struct drm_device *dev) ret = nouveau_fifo_init(dev); if (ret) return ret; +#if __OS_HAS_MTRR + /* setup a mtrr over the FB */ + dev_priv->fb_mtrr=drm_mtrr_add(drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC); +#endif + /* FIXME: doesn't belong here, and have no idea what it's for.. */ if (dev_priv->card_type >= NV_40) nv40_graph_init(dev); @@ -98,6 +103,15 @@ int nouveau_load(struct drm_device *dev, unsigned long flags) return 0; } +void nouveau_lastclose(struct drm_device *dev) +{ +#if __OS_HAS_MTRR + drm_nouveau_private_t *dev_priv = dev->dev_private; + if(dev_priv->fb_mtrr>0) + drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC); +#endif +} + int nouveau_unload(struct drm_device *dev) { drm_free(dev->dev_private, sizeof(*dev->dev_private), DRM_MEM_DRIVER); |