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path: root/0004-drm-amdgpu-pin-the-csb-buffer-on-hw-init-for-gfx-v8.patch
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authorjc_gargma <jc_gargma@iserlohn-fortress.net>2019-08-29 15:00:23 -0700
committerjc_gargma <jc_gargma@iserlohn-fortress.net>2019-08-29 15:00:23 -0700
commit705346cfb44efeffd7b9f593c92714afea7e7f37 (patch)
treecd55c7c2533da4d9ea7066649a6d8ec454cb61d9 /0004-drm-amdgpu-pin-the-csb-buffer-on-hw-init-for-gfx-v8.patch
parentInclude the updated bdver2 hotfix (diff)
downloadlinux-ck-705346cfb44efeffd7b9f593c92714afea7e7f37.tar.xz
Updated to 5.2.11
Diffstat (limited to '0004-drm-amdgpu-pin-the-csb-buffer-on-hw-init-for-gfx-v8.patch')
-rw-r--r--0004-drm-amdgpu-pin-the-csb-buffer-on-hw-init-for-gfx-v8.patch85
1 files changed, 0 insertions, 85 deletions
diff --git a/0004-drm-amdgpu-pin-the-csb-buffer-on-hw-init-for-gfx-v8.patch b/0004-drm-amdgpu-pin-the-csb-buffer-on-hw-init-for-gfx-v8.patch
deleted file mode 100644
index b82ce17..0000000
--- a/0004-drm-amdgpu-pin-the-csb-buffer-on-hw-init-for-gfx-v8.patch
+++ /dev/null
@@ -1,85 +0,0 @@
-From dd672eb4f207fcb2b26bafa0d61f118c3c11a479 Mon Sep 17 00:00:00 2001
-From: Likun Gao <Likun.Gao@amd.com>
-Date: Fri, 2 Aug 2019 15:18:57 +0800
-Subject: drm/amdgpu: pin the csb buffer on hw init for gfx v8
-
-Without this pin, the csb buffer will be filled with inconsistent
-data after S3 resume. And that will causes gfx hang on gfxoff
-exit since this csb will be executed then.
-
-Signed-off-by: Likun Gao <Likun.Gao@amd.com>
-Tested-by: Paul Gover <pmw.gover@yahoo.co.uk>
-Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
-Reviewed-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
-Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
----
- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 40 +++++++++++++++++++++++++++++++++++
- 1 file changed, 40 insertions(+)
-
-diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
-index 02955e6e9dd9..c21ef99cc590 100644
---- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
-+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
-@@ -1317,6 +1317,39 @@ static int gfx_v8_0_rlc_init(struct amdgpu_device *adev)
- return 0;
- }
-
-+static int gfx_v8_0_csb_vram_pin(struct amdgpu_device *adev)
-+{
-+ int r;
-+
-+ r = amdgpu_bo_reserve(adev->gfx.rlc.clear_state_obj, false);
-+ if (unlikely(r != 0))
-+ return r;
-+
-+ r = amdgpu_bo_pin(adev->gfx.rlc.clear_state_obj,
-+ AMDGPU_GEM_DOMAIN_VRAM);
-+ if (!r)
-+ adev->gfx.rlc.clear_state_gpu_addr =
-+ amdgpu_bo_gpu_offset(adev->gfx.rlc.clear_state_obj);
-+
-+ amdgpu_bo_unreserve(adev->gfx.rlc.clear_state_obj);
-+
-+ return r;
-+}
-+
-+static void gfx_v8_0_csb_vram_unpin(struct amdgpu_device *adev)
-+{
-+ int r;
-+
-+ if (!adev->gfx.rlc.clear_state_obj)
-+ return;
-+
-+ r = amdgpu_bo_reserve(adev->gfx.rlc.clear_state_obj, true);
-+ if (likely(r == 0)) {
-+ amdgpu_bo_unpin(adev->gfx.rlc.clear_state_obj);
-+ amdgpu_bo_unreserve(adev->gfx.rlc.clear_state_obj);
-+ }
-+}
-+
- static void gfx_v8_0_mec_fini(struct amdgpu_device *adev)
- {
- amdgpu_bo_free_kernel(&adev->gfx.mec.hpd_eop_obj, NULL, NULL);
-@@ -4777,6 +4810,10 @@ static int gfx_v8_0_hw_init(void *handle)
- gfx_v8_0_init_golden_registers(adev);
- gfx_v8_0_constants_init(adev);
-
-+ r = gfx_v8_0_csb_vram_pin(adev);
-+ if (r)
-+ return r;
-+
- r = adev->gfx.rlc.funcs->resume(adev);
- if (r)
- return r;
-@@ -4893,6 +4930,9 @@ static int gfx_v8_0_hw_fini(void *handle)
- else
- pr_err("rlc is busy, skip halt rlc\n");
- amdgpu_gfx_rlc_exit_safe_mode(adev);
-+
-+ gfx_v8_0_csb_vram_unpin(adev);
-+
- return 0;
- }
-
---
-cgit v1.2.1-1-g437b