Author: dumbbell
Date: Sun Dec 8 14:21:54 2013
New Revision: 259101
URL: http://svnweb.freebsd.org/changeset/base/259101
Log:
drm/radeon: agp_info->ai_aperture_size is in bytes, not Mbytes
This fixes radeon_agp_init() and gtt_size is now correct. However, this
is not enough to make Radeon AGP cards work: ttm_agp_backend.c isn't
implemented yet.
Submitted by: tijl@
Modified:
head/sys/dev/drm2/radeon/radeon_agp.c
Modified: head/sys/dev/drm2/radeon/radeon_agp.c
==============================================================================
--- head/sys/dev/drm2/radeon/radeon_agp.c Sun Dec 8 13:56:26 2013
(r259100)
+++ head/sys/dev/drm2/radeon/radeon_agp.c Sun Dec 8 14:21:54 2013
(r259101)
@@ -153,11 +153,11 @@ int radeon_agp_init(struct radeon_device
return ret;
}
- if (rdev->ddev->agp->info.ai_aperture_size < 32) {
+ if ((rdev->ddev->agp->info.ai_aperture_size >> 20) < 32) {
drm_agp_release(rdev->ddev);
dev_warn(rdev->dev, "AGP aperture too small (%zuM) "
"need at least 32M, disabling AGP\n",
- rdev->ddev->agp->info.ai_aperture_size);
+ rdev->ddev->agp->info.ai_aperture_size >> 20);
return -EINVAL;
}
@@ -246,7 +246,7 @@ int radeon_agp_init(struct radeon_device
}
rdev->mc.agp_base = rdev->ddev->agp->info.ai_aperture_base;
- rdev->mc.gtt_size = rdev->ddev->agp->info.ai_aperture_size << 20;
+ rdev->mc.gtt_size = rdev->ddev->agp->info.ai_aperture_size;
rdev->mc.gtt_start = rdev->mc.agp_base;
rdev->mc.gtt_end = rdev->mc.gtt_start + rdev->mc.gtt_size - 1;
dev_info(rdev->dev, "GTT: %juM 0x%08jX - 0x%08jX\n",
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