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drm/radeon: agp_info->ai_aperture_size is in bytes, not Mbytes

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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@
This commit is contained in:
Jean-Sébastien Pédron 2013-12-08 14:21:54 +00:00
parent 0514e96282
commit a7c17730f4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=259101
1 changed files with 3 additions and 3 deletions
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6
sys/dev/drm2/radeon/radeon_agp.c
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@ -153,11 +153,11 @@ int radeon_agp_init(struct radeon_device *rdev)
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)
}
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",