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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2024-drm-amdgpu-reduce-wb-to-512-slot.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2024-drm-amdgpu-reduce-wb-to-512-slot.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2024-drm-amdgpu-reduce-wb-to-512-slot.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2024-drm-amdgpu-reduce-wb-to-512-slot.patch
new file mode 100644
index 00000000..b7ab32b1
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2024-drm-amdgpu-reduce-wb-to-512-slot.patch
@@ -0,0 +1,35 @@
+From b46a10398fee12882233dc3fbbac4ea8de5faed0 Mon Sep 17 00:00:00 2001
+From: Monk Liu <Monk.Liu@amd.com>
+Date: Tue, 17 Oct 2017 19:23:42 +0800
+Subject: [PATCH 2024/4131] drm/amdgpu:reduce wb to 512 slot
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+with current WB usage we only use 57 slots, so 512
+is extreamly sufficient, and reduce to 512 can
+make WB fit into one page.
+
+Change-Id: I4261630731f132b9bec91b0037e914030b5c031f
+Signed-off-by: Monk Liu <Monk.Liu@amd.com>
+Reviewed-by: Christian König <christian.koenig@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+index abe9258..b13c94f 100755
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+@@ -1178,7 +1178,7 @@ static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
+ /*
+ * Writeback
+ */
+-#define AMDGPU_MAX_WB 1024 /* Reserve at most 1024 WB slots for amdgpu-owned rings. */
++#define AMDGPU_MAX_WB 512 /* Reserve at most 512 WB slots for amdgpu-owned rings. */
+
+ struct amdgpu_wb {
+ struct amdgpu_bo *wb_obj;
+--
+2.7.4
+