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authorDave Airlie <airlied@redhat.com>2016-12-09 12:28:16 +1000
committerDave Airlie <airlied@redhat.com>2016-12-09 12:28:16 +1000
commitbfd5be0f9e0cdcaafaeaa1d59fbcfb5bacb1105a (patch)
tree40c7c5ad3dd63f1526eb0820ebebc72df2904e5d /drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
parentMerge tag 'omapdrm-4.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-next (diff)
parentdrm/amdgpu/dce6: Set MASTER_UPDATE_MODE to 0 in resume_mc_access as well (diff)
downloadlinux-dev-bfd5be0f9e0cdcaafaeaa1d59fbcfb5bacb1105a.tar.xz
linux-dev-bfd5be0f9e0cdcaafaeaa1d59fbcfb5bacb1105a.zip
Merge branch 'drm-next-4.10' of git://people.freedesktop.org/~agd5f/linux into drm-next
Misc fixes and cleanups for 4.10. Highlights: - Cursor fixes for radeon and amdgpu - DPM fixes for some new SI variants - Powerplay fixes - Clock and powergating fixes * 'drm-next-4.10' of git://people.freedesktop.org/~agd5f/linux: (39 commits) drm/amdgpu/dce6: Set MASTER_UPDATE_MODE to 0 in resume_mc_access as well drm/amdgpu: use pin rather than pin_restricted in a few cases drm/amd/powerplay: use pr_debug to print function not implemented message drm/amd/amdgpu: Add gpr reading for GFX v7 drm/amd/amdgpu: Add gpr reading for GFX v6 drm/amd/amdgpu: Add debugfs support for reading GPRs (v2) drm/amd/amdgpu: export vbios information (v2) drm/amd/amdgpu: stored bios_size drm/amdgpu: update golden setting of tonga drm/amdgpu/si: load the proper firmware on 0x87 oland boards drm/amdgpu: add additional pci revision to dpm workaround drm/radeon/si: load the proper firmware on 0x87 oland boards drm/radeon: add additional pci revision to dpm workaround drm/amd/powerplay: Fix potential NULL pointer issue drm/amdgpu: Don't touch GFX hw during HW fini drm/amd/powerplay: Adjust the position of data size initial drm/amd/powerplay: Ignore smu buffer usage drm/amd/powerplay: cut digest part drm/amdgpu: drop redundant vi_mqd define drm/amdgpu: fix gtt available page num accounting ...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index 3c634f02a3d5..00f46b0e076d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -164,8 +164,10 @@ static int amdgpu_gtt_mgr_new(struct ttm_mem_type_manager *man,
spin_unlock(&mgr->lock);
node = kzalloc(sizeof(*node), GFP_KERNEL);
- if (!node)
- return -ENOMEM;
+ if (!node) {
+ r = -ENOMEM;
+ goto err_out;
+ }
node->start = AMDGPU_BO_INVALID_OFFSET;
node->size = mem->num_pages;
@@ -176,12 +178,20 @@ static int amdgpu_gtt_mgr_new(struct ttm_mem_type_manager *man,
if (unlikely(r)) {
kfree(node);
mem->mm_node = NULL;
+ r = 0;
+ goto err_out;
}
} else {
mem->start = node->start;
}
return 0;
+err_out:
+ spin_lock(&mgr->lock);
+ mgr->available += mem->num_pages;
+ spin_unlock(&mgr->lock);
+
+ return r;
}
/**