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| author | grehan <grehan@FreeBSD.org> | 2005-05-21 00:22:57 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2005-05-21 00:22:57 +0000 |
| commit | 08a22d34e7aa37e9c9e3d4f093841bced0b16326 (patch) | |
| tree | aeae068009996423dc60a8964fab7e67ee4f0910 | |
| parent | 591c5c404503abc86c748233f32c289c47244a69 (diff) | |
| download | FreeBSD-src-08a22d34e7aa37e9c9e3d4f093841bced0b16326.zip FreeBSD-src-08a22d34e7aa37e9c9e3d4f093841bced0b16326.tar.gz | |
Quick hack-o-rama to allow the Xorg Radeon driver to start up. It
tries to mmap memory outside of the available BARs, so allow the
range checks to be relaxed with a sysctl.
| -rw-r--r-- | sys/powerpc/ofw/ofw_syscons.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/powerpc/ofw/ofw_syscons.c b/sys/powerpc/ofw/ofw_syscons.c index 3047d33..38db742 100644 --- a/sys/powerpc/ofw/ofw_syscons.c +++ b/sys/powerpc/ofw/ofw_syscons.c @@ -57,6 +57,11 @@ __FBSDID("$FreeBSD$"); #include <powerpc/ofw/ofw_syscons.h> #include <machine/nexusvar.h> +static int ofwfb_ignore_mmap_checks; +SYSCTL_NODE(_hw, OID_AUTO, ofwfb, CTLFLAG_RD, 0, "ofwfb"); +SYSCTL_INT(_hw_ofwfb, OID_AUTO, relax_mmap, CTLFLAG_RW, + &ofwfb_ignore_mmap_checks, 0, "relax mmap bounds checking"); + extern u_char dflt_font_16[]; extern u_char dflt_font_14[]; extern u_char dflt_font_8[]; @@ -603,6 +608,14 @@ ofwfb_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr, return (ENOMEM); /* + * Hack for Radeon... + */ + if (ofwfb_ignore_mmap_checks) { + *paddr = offset; + return (0); + } + + /* * Make sure the requested address lies within the PCI device's assigned addrs */ for (i = 0; i < sc->sc_num_pciaddrs; i++) |
