From 6b0424fdcdec9d12943718e4542659c8bca019da Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Mon, 20 Oct 2003 00:55:56 +0000 Subject: Clean up BSD MTRR handling. The NetBSD code is untested, but it's my best shot. --- bsd-core/drmP.h | 2 ++ bsd-core/drm_bufs.c | 53 ++++++++--------------------------- bsd-core/drm_drv.c | 70 +++++++++++------------------------------------ bsd-core/drm_memory.c | 57 ++++++++++++++++++++++++++++++++++++++ bsd-core/drm_os_freebsd.h | 2 ++ bsd-core/drm_os_netbsd.h | 2 ++ 6 files changed, 90 insertions(+), 96 deletions(-) (limited to 'bsd-core') diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h index 67915374..b2e045e6 100644 --- a/bsd-core/drmP.h +++ b/bsd-core/drmP.h @@ -403,6 +403,8 @@ extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, extern void DRM(free)(void *pt, size_t size, int area); extern void *DRM(ioremap)(drm_device_t *dev, drm_local_map_t *map); extern void DRM(ioremapfree)(drm_local_map_t *map); +extern int DRM(mtrr_add)(unsigned long offset, size_t size, int flags); +extern int DRM(mtrr_del)(unsigned long offset, size_t size, int flags); #if __REALLY_HAVE_AGP extern agp_memory *DRM(alloc_agp)(int pages, u32 type); diff --git a/bsd-core/drm_bufs.c b/bsd-core/drm_bufs.c index cdd2359d..0dc923d7 100644 --- a/bsd-core/drm_bufs.c +++ b/bsd-core/drm_bufs.c @@ -115,25 +115,12 @@ int DRM(addmap)( DRM_IOCTL_ARGS ) #if __REALLY_HAVE_MTRR if ( map->type == _DRM_FRAME_BUFFER || (map->flags & _DRM_WRITE_COMBINING) ) { -#ifdef __FreeBSD__ - int retcode = 0, act; - struct mem_range_desc mrdesc; - mrdesc.mr_base = map->offset; - mrdesc.mr_len = map->size; - mrdesc.mr_flags = MDF_WRITECOMBINE; - act = MEMRANGE_SET_UPDATE; - bcopy(DRIVER_NAME, &mrdesc.mr_owner, strlen(DRIVER_NAME)); - retcode = mem_range_attr_set(&mrdesc, &act); - map->mtrr=1; -#elif defined __NetBSD__ - struct mtrr mtrrmap; - int one = 1; - mtrrmap.base = map->offset; - mtrrmap.len = map->size; - mtrrmap.type = MTRR_TYPE_WC; - mtrrmap.flags = MTRR_VALID; - map->mtrr = mtrr_set( &mtrrmap, &one, p, MTRR_GETSET_KERNEL ); -#endif + int mtrr; + + mtrr = DRM(mtrr_add)(map->offset, map->size, + DRM_MTRR_WC); + if (mtrr == 0) + map->mtrr = 1; } #endif /* __REALLY_HAVE_MTRR */ DRM_IOREMAP(map, dev); @@ -235,29 +222,11 @@ int DRM(rmmap)( DRM_IOCTL_ARGS ) case _DRM_FRAME_BUFFER: #if __REALLY_HAVE_MTRR if (map->mtrr >= 0) { - int retcode; -#ifdef __FreeBSD__ - int act; - struct mem_range_desc mrdesc; - mrdesc.mr_base = map->offset; - mrdesc.mr_len = map->size; - mrdesc.mr_flags = MDF_WRITECOMBINE; - act = MEMRANGE_SET_REMOVE; - bcopy(DRIVER_NAME, &mrdesc.mr_owner, - strlen(DRIVER_NAME)); - retcode = mem_range_attr_set(&mrdesc, &act); -#elif defined __NetBSD__ - struct mtrr mtrrmap; - int one = 1; - mtrrmap.base = map->offset; - mtrrmap.len = map->size; - mtrrmap.type = 0; - mtrrmap.flags = 0; - mtrrmap.owner = p->p_pid; - retcode = mtrr_set(&mtrrmap, &one, p, - MTRR_GETSET_KERNEL); - DRM_DEBUG("mtrr_del = %d\n", retcode); -#endif + int __unused mtrr; + + mtrr = DRM(mtrr_del)(map->offset, map->size, + DRM_MTRR_WC); + DRM_DEBUG("mtrr_del = %d\n", mtrr); } #endif DRM(ioremapfree)(map); diff --git a/bsd-core/drm_drv.c b/bsd-core/drm_drv.c index 731f31da..269f4225 100644 --- a/bsd-core/drm_drv.c +++ b/bsd-core/drm_drv.c @@ -565,28 +565,11 @@ static int DRM(takedown)( drm_device_t *dev ) case _DRM_FRAME_BUFFER: #if __REALLY_HAVE_MTRR if ( map->mtrr >= 0 ) { - int retcode; -#ifdef __FreeBSD__ - int act; - struct mem_range_desc mrdesc; - mrdesc.mr_base = map->offset; - mrdesc.mr_len = map->size; - mrdesc.mr_flags = MDF_WRITECOMBINE; - act = MEMRANGE_SET_REMOVE; - bcopy(DRIVER_NAME, &mrdesc.mr_owner, strlen(DRIVER_NAME)); - retcode = mem_range_attr_set(&mrdesc, &act); - map->mtrr=1; -#elif defined __NetBSD__ - struct mtrr mtrrmap; - int one = 1; - mtrrmap.base = map->offset; - mtrrmap.len = map->size; - mtrrmap.type = MTRR_TYPE_WC; - mtrrmap.flags = 0; - retcode = mtrr_set( &mtrrmap, &one, - DRM_CURPROC, MTRR_GETSET_KERNEL); -#endif - DRM_DEBUG( "mtrr_del=%d\n", retcode ); + int __unused mtrr; + + mtrr = DRM(mtrr_del)(map->offset, + map->size, DRM_MTRR_WC); + DRM_DEBUG("mtrr_del=%d\n", mtrr); } #endif DRM(ioremapfree)( map ); @@ -680,25 +663,12 @@ static int DRM(init)( device_t nbdev ) #endif /* __MUST_HAVE_AGP */ #if __REALLY_HAVE_MTRR if (dev->agp) { -#ifdef __FreeBSD__ - int retcode = 0, act; - struct mem_range_desc mrdesc; - mrdesc.mr_base = dev->agp->info.ai_aperture_base; - mrdesc.mr_len = dev->agp->info.ai_aperture_size; - mrdesc.mr_flags = MDF_WRITECOMBINE; - act = MEMRANGE_SET_UPDATE; - bcopy(DRIVER_NAME, &mrdesc.mr_owner, strlen(DRIVER_NAME)); - retcode = mem_range_attr_set(&mrdesc, &act); - dev->agp->agp_mtrr=1; -#elif defined __NetBSD__ - struct mtrr mtrrmap; - int one = 1; - mtrrmap.base = dev->agp->info.ai_aperture_base; - mtrrmap.len = dev->agp->info.ai_aperture_size; - mtrrmap.type = MTRR_TYPE_WC; - mtrrmap.flags = MTRR_VALID; - dev->agp->agp_mtrr = mtrr_set( &mtrrmap, &one, NULL, MTRR_GETSET_KERNEL); -#endif /* __NetBSD__ */ + int retcode; + + retcode = DRM(mtrr_add)(dev->agp->info.ai_aperture_base, + dev->agp->info.ai_aperture_size, DRM_MTRR_WC); + if (retcode == 0) + dev->agp->agp_mtrr=1; } #endif /* __REALLY_HAVE_MTRR */ #endif /* __REALLY_HAVE_AGP */ @@ -742,12 +712,6 @@ error: */ static void DRM(cleanup)(drm_device_t *dev) { -#ifdef __NetBSD__ -#if __REALLY_HAVE_MTRR - struct mtrr mtrrmap; - int one = 1; -#endif /* __REALLY_HAVE_MTRR */ -#endif /* __NetBSD__ */ DRM_DEBUG( "\n" ); @@ -761,13 +725,11 @@ static void DRM(cleanup)(drm_device_t *dev) #if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR if ( dev->agp && dev->agp->agp_mtrr >= 0) { -#if defined(__NetBSD__) - mtrrmap.base = dev->agp->info.ai_aperture_base; - mtrrmap.len = dev->agp->info.ai_aperture_size; - mtrrmap.type = 0; - mtrrmap.flags = 0; - mtrr_set( &mtrrmap, &one, NULL, MTRR_GETSET_KERNEL); -#endif + int __unused mtrr; + + mtrr = DRM(mtrr_del)(dev->agp->info.ai_aperture_base, + dev->agp->info.ai_aperture_size, DRM_MTRR_WC); + DRM_DEBUG("mtrr_del=%d\n", mtrr); } #endif diff --git a/bsd-core/drm_memory.c b/bsd-core/drm_memory.c index dc0d3753..a50e6c47 100644 --- a/bsd-core/drm_memory.c +++ b/bsd-core/drm_memory.c @@ -124,5 +124,62 @@ int DRM(unbind_agp)(agp_memory *handle) { return DRM(agp_unbind_memory)(handle); } + +#ifdef __FreeBSD__ +int +DRM(mtrr_add)(unsigned long offset, size_t size, int flags) +{ + int act; + struct mem_range_desc mrdesc; + + mrdesc.mr_base = offset; + mrdesc.mr_len = size; + mrdesc.mr_flags = flags; + act = MEMRANGE_SET_UPDATE; + bcopy(DRIVER_NAME, &mrdesc.mr_owner, strlen(DRIVER_NAME)); + return mem_range_attr_set(&mrdesc, &act); +} + +int +DRM(mtrr_del)(unsigned long offset, size_t size, int flags) +{ + int act; + struct mem_range_desc mrdesc; + + mrdesc.mr_base = offset; + mrdesc.mr_len = size; + mrdesc.mr_flags = flags; + act = MEMRANGE_SET_REMOVE; + bcopy(DRIVER_NAME, &mrdesc.mr_owner, strlen(DRIVER_NAME)); + return mem_range_attr_set(&mrdesc, &act); +} +#elif defined(__NetBSD__) +int +DRM(mtrr_add)(unsigned long offset, size_t size, int flags) +{ + struct mtrr mtrrmap; + int one = 1; + + mtrrmap.base = offset; + mtrrmap.len = size; + mtrrmap.type = flags; + mtrrmap.flags = MTRR_VALID; + return mtrr_set(&mtrrmap, &one, NULL, MTRR_GETSET_KERNEL); +} + +int +DRM(mtrr_del)(unsigned long offset, size_t size, int flags) +{ + struct mtrr mtrrmap; + int one = 1; + + mtrrmap.base = offset; + mtrrmap.len = size; + mtrrmap.type = flags; + mtrrmap.flags = 0; + return mtrr_set(&mtrrmap, &one, NULL, MTRR_GETSET_KERNEL); +} +#endif + #endif /* __REALLY_HAVE_AGP */ #endif /* DEBUG_MEMORY */ diff --git a/bsd-core/drm_os_freebsd.h b/bsd-core/drm_os_freebsd.h index 320db342..33bdcd20 100644 --- a/bsd-core/drm_os_freebsd.h +++ b/bsd-core/drm_os_freebsd.h @@ -171,6 +171,8 @@ typedef void irqreturn_t; #define DRM_AGP_FIND_DEVICE() agp_find_device() #define DRM_ERR(v) v +#define DRM_MTRR_WC MDF_WRITECOMBINE + #define LOCK_TEST_WITH_RETURN(dev, filp) \ do { \ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ diff --git a/bsd-core/drm_os_netbsd.h b/bsd-core/drm_os_netbsd.h index 7653b05e..1554d24d 100644 --- a/bsd-core/drm_os_netbsd.h +++ b/bsd-core/drm_os_netbsd.h @@ -136,6 +136,8 @@ extern const int DRM(M_DRM) = M_DEVBUF; #define DRM_WRITE8(map, offset, val) bus_space_write_1( (map)->iot, (map)->ioh, (offset), (val) ) #define DRM_WRITE32(map, offset, val) bus_space_write_4( (map)->iot, (map)->ioh, (offset), (val) ) +#define DRM_MTRR_WC MTRR_TYPE_WC + #define DRM_AGP_FIND_DEVICE() agp_find_device(0) #define LOCK_TEST_WITH_RETURN(dev, filp) \ -- cgit v1.2.3