Date: Wed, 6 Dec 2017 02:06:15 +0000 (UTC) From: Justin Hibbits <jhibbits@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r326612 - head/sys/dev/vt/hw/fb Message-ID: <201712060206.vB626Fn8036432@repo.freebsd.org>
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Author: jhibbits Date: Wed Dec 6 02:06:14 2017 New Revision: 326612 URL: https://svnweb.freebsd.org/changeset/base/326612 Log: Allow custom overrides of mmap attribute for VT framebuffer Summary: As in /dev/fb, allow the framebuffer driver to override the default memattr for mmap(2). This is analogous to the change in 306555. Reviewed By: ray Differential Revision: https://reviews.freebsd.org/D13331 Modified: head/sys/dev/vt/hw/fb/vt_fb.c Modified: head/sys/dev/vt/hw/fb/vt_fb.c ============================================================================== --- head/sys/dev/vt/hw/fb/vt_fb.c Wed Dec 6 02:05:21 2017 (r326611) +++ head/sys/dev/vt/hw/fb/vt_fb.c Wed Dec 6 02:06:14 2017 (r326612) @@ -143,8 +143,11 @@ vt_fb_mmap(struct vt_device *vd, vm_ooffset_t offset, *paddr = vtophys((uint8_t *)info->fb_vbase + offset); } else { *paddr = info->fb_pbase + offset; + if (info->fb_flags & FB_FLAG_MEMATTR) + *memattr = info->fb_memattr; #ifdef VM_MEMATTR_WRITE_COMBINING - *memattr = VM_MEMATTR_WRITE_COMBINING; + else + *memattr = VM_MEMATTR_WRITE_COMBINING; #endif } return (0);
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