linux-kernel - linux-next: build failure after merge of the drm-intel-gt tree

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Date:   Wed, 17 Nov 2021 10:02:23 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
Cc:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Jason Gunthorpe <jgg@...dia.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Matthew Auld <matthew.auld@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the drm-intel-gt tree

Hi all,

After merging the etnaviv tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/gpu/drm/i915/gem/i915_gem_ttm.c: In function 'vm_fault_ttm':
drivers/gpu/drm/i915/gem/i915_gem_ttm.c:862:9: error: too many arguments to function 'ttm_bo_vm_fault_reserved'
  862 |   ret = ttm_bo_vm_fault_reserved(vmf, vmf->vma->vm_page_prot,
      |         ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/drm/ttm/ttm_bo_driver.h:42,
                 from drivers/gpu/drm/i915/gem/i915_gem_ttm.c:6:
include/drm/ttm/ttm_bo_api.h:585:12: note: declared here
  585 | vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf,
      |            ^~~~~~~~~~~~~~~~~~~~~~~~

Caused by commit

  ebd4a8ec7799 ("drm/i915/ttm: move shrinker management into adjust_lru")

interacting with commit

  0d979509539e ("drm/ttm: remove ttm_bo_vm_insert_huge()")

from Linus' tree.

I applied the following merge fix patch.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Wed, 17 Nov 2021 09:57:09 +1100
Subject: [PATCH] fix up for "drm/ttm: remove ttm_bo_vm_insert_huge()"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index d08a270b0921..68cfe6e9ceab 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -860,7 +860,7 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf)
 
 	if (drm_dev_enter(dev, &idx)) {
 		ret = ttm_bo_vm_fault_reserved(vmf, vmf->vma->vm_page_prot,
-					       TTM_BO_VM_NUM_PREFAULT, 1);
+					       TTM_BO_VM_NUM_PREFAULT);
 		drm_dev_exit(idx);
 	} else {
 		ret = ttm_bo_vm_dummy_page(vmf, vmf->vma->vm_page_prot);
-- 
2.33.0

-- 
Cheers,
Stephen Rothwell

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