Re: [PATCH 1/3] Revert "drm/amdgpu: move internal vram_mgr function into the C file"

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On 14/07/2022 09:45, Thomas Zimmermann wrote:
Hi

Am 08.07.22 um 11:30 schrieb Arunpravin Paneer Selvam:
This reverts commit 708d19d9f362766147cab79eccae60912c6d3068.

This commit is only present in drm-misc-next. Should the revert be cherry-picked into drm-misc-next-fixes?

Seemed like an appropriate thread to raise this, in case my pings about it on #dri-devel and #radeon go un-noticed since it is Friday after all.

So for me dri-tip today fails to build the amdgpu driver.

I had to revert 925b6e59138cefa47275c67891c65d48d3266d57 to make it build. This conflicts a bit but seems trivial. Without this revert code seems confused with different versions of struct amdgpu_vram_mgr and build fails violently (increase your scroll back buffers to see it all).

Regards,

Tvrtko

Best regards
Thomas


This is part of a revert of the following commits:
commit 708d19d9f362 ("drm/amdgpu: move internal vram_mgr function into the C file") commit 5e3f1e7729ec ("drm/amdgpu: fix start calculation in amdgpu_vram_mgr_new")
commit c9cad937c0c5 ("drm/amdgpu: add drm buddy support to amdgpu")

[WHY]
Few users reported garbaged graphics as soon as x starts,
reverting until this can be resolved.

Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@xxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 29 --------------------
  drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h | 27 ++++++++++++++++++
  2 files changed, 27 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 7a5e8a7b4a1b..51d9d3a4456c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -50,35 +50,6 @@ to_amdgpu_device(struct amdgpu_vram_mgr *mgr)
      return container_of(mgr, struct amdgpu_device, mman.vram_mgr);
  }
-static inline struct drm_buddy_block *
-amdgpu_vram_mgr_first_block(struct list_head *list)
-{
-    return list_first_entry_or_null(list, struct drm_buddy_block, link);
-}
-
-static inline bool amdgpu_is_vram_mgr_blocks_contiguous(struct list_head *head)
-{
-    struct drm_buddy_block *block;
-    u64 start, size;
-
-    block = amdgpu_vram_mgr_first_block(head);
-    if (!block)
-        return false;
-
-    while (head != block->link.next) {
-        start = amdgpu_vram_mgr_block_start(block);
-        size = amdgpu_vram_mgr_block_size(block);
-
-        block = list_entry(block->link.next, struct drm_buddy_block, link);
-        if (start + size != amdgpu_vram_mgr_block_start(block))
-            return false;
-    }
-
-    return true;
-}
-
-
-
  /**
   * DOC: mem_info_vram_total
   *
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h
index 4b267bf1c5db..9a2db87186c7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.h
@@ -53,6 +53,33 @@ static inline u64 amdgpu_vram_mgr_block_size(struct drm_buddy_block *block)
      return PAGE_SIZE << drm_buddy_block_order(block);
  }
+static inline struct drm_buddy_block *
+amdgpu_vram_mgr_first_block(struct list_head *list)
+{
+    return list_first_entry_or_null(list, struct drm_buddy_block, link);
+}
+
+static inline bool amdgpu_is_vram_mgr_blocks_contiguous(struct list_head *head)
+{
+    struct drm_buddy_block *block;
+    u64 start, size;
+
+    block = amdgpu_vram_mgr_first_block(head);
+    if (!block)
+        return false;
+
+    while (head != block->link.next) {
+        start = amdgpu_vram_mgr_block_start(block);
+        size = amdgpu_vram_mgr_block_size(block);
+
+        block = list_entry(block->link.next, struct drm_buddy_block, link);
+        if (start + size != amdgpu_vram_mgr_block_start(block))
+            return false;
+    }
+
+    return true;
+}
+
  static inline struct amdgpu_vram_mgr_resource *
  to_amdgpu_vram_mgr_resource(struct ttm_resource *res)
  {




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