From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhao, Yong" Subject: Re: [PATCH 1/1] drm/amdgpu: Raise KFD unpinned system memory limit Date: Mon, 25 Nov 2019 23:19:06 +0000 Message-ID: References: <20191125212819.21392-1-Felix.Kuehling@amd.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0857346548==" Return-path: In-Reply-To: <20191125212819.21392-1-Felix.Kuehling-5C7GfCeVMHo@public.gmane.org> Content-Language: en-US List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: "Kuehling, Felix" , "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" --===============0857346548== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_DM6PR12MB277806E387DFC479BDD8AB47F04A0DM6PR12MB2778namp_" --_000_DM6PR12MB277806E387DFC479BDD8AB47F04A0DM6PR12MB2778namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable [AMD Official Use Only - Internal Distribution Only] Reviewed-by: Yong Zhao ________________________________ From: amd-gfx on behalf of Felix Ku= ehling Sent: Monday, November 25, 2019 4:28 PM To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Subject: [PATCH 1/1] drm/amdgpu: Raise KFD unpinned system memory limit Allow KFD applications to use more unpinned system memory through HMM. Signed-off-by: Felix Kuehling --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu= /drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index e43a95514b41..b6d1958d514f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -85,7 +85,7 @@ static bool check_if_add_bo_to_vm(struct amdgpu_vm *avm, } /* Set memory usage limits. Current, limits are - * System (TTM + userptr) memory - 3/4th System RAM + * System (TTM + userptr) memory - 15/16th System RAM * TTM memory - 3/8th System RAM */ void amdgpu_amdkfd_gpuvm_init_mem_limits(void) @@ -98,7 +98,7 @@ void amdgpu_amdkfd_gpuvm_init_mem_limits(void) mem *=3D si.mem_unit; spin_lock_init(&kfd_mem_limit.mem_limit_lock); - kfd_mem_limit.max_system_mem_limit =3D (mem >> 1) + (mem >> 2); + kfd_mem_limit.max_system_mem_limit =3D mem - (mem >> 4); kfd_mem_limit.max_ttm_mem_limit =3D (mem >> 1) - (mem >> 3); pr_debug("Kernel memory limit %lluM, TTM limit %lluM\n", (kfd_mem_limit.max_system_mem_limit >> 20), -- 2.24.0 _______________________________________________ amd-gfx mailing list amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org https://nam11.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Flists.f= reedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=3D02%7C01%7Cyong.zha= o%40amd.com%7C808d3732d1d74a7cd05208d771ee6f9b%7C3dd8961fe4884e608e11a82d99= 4e183d%7C0%7C0%7C637103141200385929&sdata=3DyywimvE%2FuidOPQb9IYLZi95Mb= fnFrW0Swmp11iYi4%2BI%3D&reserved=3D0 --_000_DM6PR12MB277806E387DFC479BDD8AB47F04A0DM6PR12MB2778namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

[AMD Official Use Only - Internal Distribution Only]


Reviewed-by: Yong= Zhao <Yong.Zhao-5C7GfCeVMHo@public.gmane.org>
From: amd-gfx <amd-gfx-b= ounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> on behalf of Felix Kuehling <Felix.Kueh= ling-5C7GfCeVMHo@public.gmane.org>
Sent: Monday, November 25, 2019 4:28 PM
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org <amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org&= gt;
Subject: [PATCH 1/1] drm/amdgpu: Raise KFD unpinned system memory li= mit
 
Allow KFD applications to use more unpinned system= memory through
HMM.

Signed-off-by: Felix Kuehling <Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu= /drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index e43a95514b41..b6d1958d514f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -85,7 +85,7 @@ static bool check_if_add_bo_to_vm(struct amdgpu_vm *a= vm,
 }
 
 /* Set memory usage limits. Current, limits are
- *  System (TTM + userptr) memory - 3/4th System RAM
+ *  System (TTM + userptr) memory - 15/16th System RAM
  *  TTM memory - 3/8th System RAM
  */
 void amdgpu_amdkfd_gpuvm_init_mem_limits(void)
@@ -98,7 +98,7 @@ void amdgpu_amdkfd_gpuvm_init_mem_limits(void)
         mem *=3D si.mem_unit;
 
         spin_lock_init(&kfd_me= m_limit.mem_limit_lock);
-       kfd_mem_limit.max_system_mem_limit = =3D (mem >> 1) + (mem >> 2);
+       kfd_mem_limit.max_system_mem_limi= t =3D mem - (mem >> 4);
         kfd_mem_limit.max_ttm_mem_= limit =3D (mem >> 1) - (mem >> 3);
         pr_debug("Kernel memo= ry limit %lluM, TTM limit %lluM\n",
            &nb= sp;    (kfd_mem_limit.max_system_mem_limit >> 20),
--
2.24.0

_______________________________________________
amd-gfx mailing list
amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
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Mon, 25 Nov 2019 23:19:06 +0000 From: "Zhao, Yong" To: "Kuehling, Felix" , "amd-gfx@lists.freedesktop.org" Subject: Re: [PATCH 1/1] drm/amdgpu: Raise KFD unpinned system memory limit Thread-Topic: [PATCH 1/1] drm/amdgpu: Raise KFD unpinned system memory limit Thread-Index: AQHVo9dOhkUH8VyKiUWR50jxCbSEtaecha50 Date: Mon, 25 Nov 2019 23:19:06 +0000 Message-ID: References: <20191125212819.21392-1-Felix.Kuehling@amd.com> In-Reply-To: <20191125212819.21392-1-Felix.Kuehling@amd.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_76546daa-41b6-470c-bb85-f6f40f044d7f_Enabled=True; MSIP_Label_76546daa-41b6-470c-bb85-f6f40f044d7f_SiteId=3dd8961f-e488-4e60-8e11-a82d994e183d; MSIP_Label_76546daa-41b6-470c-bb85-f6f40f044d7f_SetDate=2019-11-25T23:19:02.306Z; MSIP_Label_76546daa-41b6-470c-bb85-f6f40f044d7f_Name=Internal Distribution Only; MSIP_Label_76546daa-41b6-470c-bb85-f6f40f044d7f_ContentBits=0; MSIP_Label_76546daa-41b6-470c-bb85-f6f40f044d7f_Method=Standard; 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boundary="_000_DM6PR12MB277806E387DFC479BDD8AB47F04A0DM6PR12MB2778namp_" --_000_DM6PR12MB277806E387DFC479BDD8AB47F04A0DM6PR12MB2778namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable [AMD Official Use Only - Internal Distribution Only] Reviewed-by: Yong Zhao ________________________________ From: amd-gfx on behalf of Felix Ku= ehling Sent: Monday, November 25, 2019 4:28 PM To: amd-gfx@lists.freedesktop.org Subject: [PATCH 1/1] drm/amdgpu: Raise KFD unpinned system memory limit Allow KFD applications to use more unpinned system memory through HMM. Signed-off-by: Felix Kuehling --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu= /drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index e43a95514b41..b6d1958d514f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -85,7 +85,7 @@ static bool check_if_add_bo_to_vm(struct amdgpu_vm *avm, } /* Set memory usage limits. Current, limits are - * System (TTM + userptr) memory - 3/4th System RAM + * System (TTM + userptr) memory - 15/16th System RAM * TTM memory - 3/8th System RAM */ void amdgpu_amdkfd_gpuvm_init_mem_limits(void) @@ -98,7 +98,7 @@ void amdgpu_amdkfd_gpuvm_init_mem_limits(void) mem *=3D si.mem_unit; spin_lock_init(&kfd_mem_limit.mem_limit_lock); - kfd_mem_limit.max_system_mem_limit =3D (mem >> 1) + (mem >> 2); + kfd_mem_limit.max_system_mem_limit =3D mem - (mem >> 4); kfd_mem_limit.max_ttm_mem_limit =3D (mem >> 1) - (mem >> 3); pr_debug("Kernel memory limit %lluM, TTM limit %lluM\n", (kfd_mem_limit.max_system_mem_limit >> 20), -- 2.24.0 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://nam11.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Flists.f= reedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=3D02%7C01%7Cyong.zha= o%40amd.com%7C808d3732d1d74a7cd05208d771ee6f9b%7C3dd8961fe4884e608e11a82d99= 4e183d%7C0%7C0%7C637103141200385929&sdata=3DyywimvE%2FuidOPQb9IYLZi95Mb= fnFrW0Swmp11iYi4%2BI%3D&reserved=3D0 --_000_DM6PR12MB277806E387DFC479BDD8AB47F04A0DM6PR12MB2778namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

[AMD Official Use Only - Internal Distribution Only]


Reviewed-by: Yong= Zhao <Yong.Zhao@amd.com>
From: amd-gfx <amd-gfx-b= ounces@lists.freedesktop.org> on behalf of Felix Kuehling <Felix.Kueh= ling@amd.com>
Sent: Monday, November 25, 2019 4:28 PM
To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org&= gt;
Subject: [PATCH 1/1] drm/amdgpu: Raise KFD unpinned system memory li= mit
 
Allow KFD applications to use more unpinned system= memory through
HMM.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu= /drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index e43a95514b41..b6d1958d514f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -85,7 +85,7 @@ static bool check_if_add_bo_to_vm(struct amdgpu_vm *a= vm,
 }
 
 /* Set memory usage limits. Current, limits are
- *  System (TTM + userptr) memory - 3/4th System RAM
+ *  System (TTM + userptr) memory - 15/16th System RAM
  *  TTM memory - 3/8th System RAM
  */
 void amdgpu_amdkfd_gpuvm_init_mem_limits(void)
@@ -98,7 +98,7 @@ void amdgpu_amdkfd_gpuvm_init_mem_limits(void)
         mem *=3D si.mem_unit;
 
         spin_lock_init(&kfd_me= m_limit.mem_limit_lock);
-       kfd_mem_limit.max_system_mem_limit = =3D (mem >> 1) + (mem >> 2);
+       kfd_mem_limit.max_system_mem_limi= t =3D mem - (mem >> 4);
         kfd_mem_limit.max_ttm_mem_= limit =3D (mem >> 1) - (mem >> 3);
         pr_debug("Kernel memo= ry limit %lluM, TTM limit %lluM\n",
            &nb= sp;    (kfd_mem_limit.max_system_mem_limit >> 20),
--
2.24.0

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