<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-stable.git/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c, branch linux-5.15.y</title>
<subtitle>Linux kernel stable tree</subtitle>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/'/>
<entry>
<title>drm/amdgpu: Adjust usleep_range in fence wait</title>
<updated>2026-03-04T12:20:19+00:00</updated>
<author>
<name>Ce Sun</name>
<email>cesun102@amd.com</email>
</author>
<published>2026-02-10T07:32:01+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=c8cfe21502c2c8c655b6d8a6be4bb319e82a6eeb'/>
<id>c8cfe21502c2c8c655b6d8a6be4bb319e82a6eeb</id>
<content type='text'>
[ Upstream commit 3ee1c72606bd2842f0f377fd4b118362af0323ae ]

Tune the sleep interval in the PSP fence wait loop from 10-100us to
60-100us.This adjustment results in an overall wait window of 1.2s
(60us * 20000 iterations) to 2 seconds (100us * 20000 iterations),
which guarantees that we can retrieve the correct fence value

Signed-off-by: Ce Sun &lt;cesun102@amd.com&gt;
Reviewed-by: Lijo Lazar &lt;lijo.lazar@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 3ee1c72606bd2842f0f377fd4b118362af0323ae ]

Tune the sleep interval in the PSP fence wait loop from 10-100us to
60-100us.This adjustment results in an overall wait window of 1.2s
(60us * 20000 iterations) to 2 seconds (100us * 20000 iterations),
which guarantees that we can retrieve the correct fence value

Signed-off-by: Ce Sun &lt;cesun102@amd.com&gt;
Reviewed-by: Lijo Lazar &lt;lijo.lazar@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: reset psp-&gt;cmd to NULL after releasing the buffer</title>
<updated>2025-06-04T12:38:02+00:00</updated>
<author>
<name>Jiang Liu</name>
<email>gerry@linux.alibaba.com</email>
</author>
<published>2025-02-07T06:28:49+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=cc958022666cc7ae66726444a2e55c435831f640'/>
<id>cc958022666cc7ae66726444a2e55c435831f640</id>
<content type='text'>
[ Upstream commit e92f3f94cad24154fd3baae30c6dfb918492278d ]

Reset psp-&gt;cmd to NULL after releasing the buffer in function psp_sw_fini().

Reviewed-by: Lijo Lazar &lt;lijo.lazar@amd.com&gt;
Signed-off-by: Jiang Liu &lt;gerry@linux.alibaba.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit e92f3f94cad24154fd3baae30c6dfb918492278d ]

Reset psp-&gt;cmd to NULL after releasing the buffer in function psp_sw_fini().

Reviewed-by: Lijo Lazar &lt;lijo.lazar@amd.com&gt;
Signed-off-by: Jiang Liu &lt;gerry@linux.alibaba.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: fix the waring dereferencing hive</title>
<updated>2024-09-12T09:07:40+00:00</updated>
<author>
<name>Jesse Zhang</name>
<email>jesse.zhang@amd.com</email>
</author>
<published>2024-05-08T08:20:49+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=f20d1d5cbb39802f68be24458861094f3e66f356'/>
<id>f20d1d5cbb39802f68be24458861094f3e66f356</id>
<content type='text'>
[ Upstream commit 1940708ccf5aff76de4e0b399f99267c93a89193 ]

Check the amdgpu_hive_info *hive that maybe is NULL.

Signed-off-by: Jesse Zhang &lt;Jesse.Zhang@amd.com&gt;
Reviewed-by: Tim Huang &lt;Tim.Huang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 1940708ccf5aff76de4e0b399f99267c93a89193 ]

Check the amdgpu_hive_info *hive that maybe is NULL.

Signed-off-by: Jesse Zhang &lt;Jesse.Zhang@amd.com&gt;
Reviewed-by: Tim Huang &lt;Tim.Huang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd: Fix an error handling mistake in psp_sw_init()</title>
<updated>2023-08-03T08:22:39+00:00</updated>
<author>
<name>Mario Limonciello</name>
<email>mario.limonciello@amd.com</email>
</author>
<published>2023-07-13T05:14:59+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=bd79de8bd3718dbea51e13615010df5db6b49174'/>
<id>bd79de8bd3718dbea51e13615010df5db6b49174</id>
<content type='text'>
[ Upstream commit c01aebeef3ce45f696ffa0a1303cea9b34babb45 ]

If the second call to amdgpu_bo_create_kernel() fails, the memory
allocated from the first call should be cleared.  If the third call
fails, the memory from the second call should be cleared.

Fixes: b95b5391684b ("drm/amdgpu/psp: move PSP memory alloc from hw_init to sw_init")
Signed-off-by: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Reviewed-by: Lijo Lazar &lt;lijo.lazar@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit c01aebeef3ce45f696ffa0a1303cea9b34babb45 ]

If the second call to amdgpu_bo_create_kernel() fails, the memory
allocated from the first call should be cleared.  If the third call
fails, the memory from the second call should be cleared.

Fixes: b95b5391684b ("drm/amdgpu/psp: move PSP memory alloc from hw_init to sw_init")
Signed-off-by: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Reviewed-by: Lijo Lazar &lt;lijo.lazar@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/amdgpu: skip ucode loading if ucode_size == 0</title>
<updated>2022-09-20T10:39:45+00:00</updated>
<author>
<name>Chengming Gui</name>
<email>Jack.Gui@amd.com</email>
</author>
<published>2022-08-30T08:33:01+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=985a5d3d491d558f785b77cc5b86837bfa408587'/>
<id>985a5d3d491d558f785b77cc5b86837bfa408587</id>
<content type='text'>
[ Upstream commit 39c84b8e929dbd4f63be7e04bf1a2bcd92b44177 ]

Restrict the ucode loading check to avoid frontdoor loading error.

Signed-off-by: Chengming Gui &lt;Jack.Gui@amd.com&gt;
Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 39c84b8e929dbd4f63be7e04bf1a2bcd92b44177 ]

Restrict the ucode loading check to avoid frontdoor loading error.

Signed-off-by: Chengming Gui &lt;Jack.Gui@amd.com&gt;
Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: Move psp_xgmi_terminate call from amdgpu_xgmi_remove_device to psp_hw_fini</title>
<updated>2022-09-15T09:30:01+00:00</updated>
<author>
<name>YiPeng Chai</name>
<email>YiPeng.Chai@amd.com</email>
</author>
<published>2022-08-12T05:38:34+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=c15c2c2c08964fd99d3366f80742129f8ae28eaa'/>
<id>c15c2c2c08964fd99d3366f80742129f8ae28eaa</id>
<content type='text'>
[ Upstream commit 9d705d7741ae70764f3d6d87e67fad3b5c30ffd0 ]

V1:
The amdgpu_xgmi_remove_device function will send unload command
to psp through psp ring to terminate xgmi, but psp ring has been
destroyed in psp_hw_fini.

V2:
1. Change the commit title.
2. Restore amdgpu_xgmi_remove_device to its original calling location.
   Move psp_xgmi_terminate call from amdgpu_xgmi_remove_device to
   psp_hw_fini.

Signed-off-by: YiPeng Chai &lt;YiPeng.Chai@amd.com&gt;
Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 9d705d7741ae70764f3d6d87e67fad3b5c30ffd0 ]

V1:
The amdgpu_xgmi_remove_device function will send unload command
to psp through psp ring to terminate xgmi, but psp ring has been
destroyed in psp_hw_fini.

V2:
1. Change the commit title.
2. Restore amdgpu_xgmi_remove_device to its original calling location.
   Move psp_xgmi_terminate call from amdgpu_xgmi_remove_device to
   psp_hw_fini.

Signed-off-by: YiPeng Chai &lt;YiPeng.Chai@amd.com&gt;
Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu/psp: move PSP memory alloc from hw_init to sw_init</title>
<updated>2022-06-09T08:22:35+00:00</updated>
<author>
<name>Alex Deucher</name>
<email>alexander.deucher@amd.com</email>
</author>
<published>2022-04-21T05:21:52+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=a2c87348acebd9bacedfe20cf82341928751ff91'/>
<id>a2c87348acebd9bacedfe20cf82341928751ff91</id>
<content type='text'>
[ Upstream commit b95b5391684b39695887afb4a13cccee7820f5d6 ]

Memory allocations should be done in sw_init.  hw_init should
just be hardware programming needed to initialize the IP block.
This is how most other IP blocks work.  Move the GPU memory
allocations from psp hw_init to psp sw_init and move the memory
free to sw_fini.  This also fixes a potential GPU memory leak
if psp hw_init fails.

Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit b95b5391684b39695887afb4a13cccee7820f5d6 ]

Memory allocations should be done in sw_init.  hw_init should
just be hardware programming needed to initialize the IP block.
This is how most other IP blocks work.  Move the GPU memory
allocations from psp hw_init to psp sw_init and move the memory
free to sw_fini.  This also fixes a potential GPU memory leak
if psp hw_init fails.

Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/amdgpu: fix psp tmr bo pin count leak in SRIOV</title>
<updated>2022-01-27T10:04:42+00:00</updated>
<author>
<name>Jingwen Chen</name>
<email>Jingwen.Chen2@amd.com</email>
</author>
<published>2021-12-14T03:31:16+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=8662d0c6a36807093aed34b17b930484fd4bf22f'/>
<id>8662d0c6a36807093aed34b17b930484fd4bf22f</id>
<content type='text'>
[ Upstream commit 85dfc1d692c9434c37842e610be37cd4ae4e0081 ]

[Why]
psp tmr bo will be pinned during loading amdgpu and reset in SRIOV while
only unpinned in unload amdgpu

[How]
add amdgpu_in_reset and sriov judgement to skip pin bo

v2: fix wrong judgement

Signed-off-by: Jingwen Chen &lt;Jingwen.Chen2@amd.com&gt;
Reviewed-by: Horace Chen &lt;horace.chen@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 85dfc1d692c9434c37842e610be37cd4ae4e0081 ]

[Why]
psp tmr bo will be pinned during loading amdgpu and reset in SRIOV while
only unpinned in unload amdgpu

[How]
add amdgpu_in_reset and sriov judgement to skip pin bo

v2: fix wrong judgement

Signed-off-by: Jingwen Chen &lt;Jingwen.Chen2@amd.com&gt;
Reviewed-by: Horace Chen &lt;horace.chen@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: show both cmd id and name when psp cmd failed</title>
<updated>2021-08-30T19:09:21+00:00</updated>
<author>
<name>Lang Yu</name>
<email>lang.yu@amd.com</email>
</author>
<published>2021-08-27T03:38:55+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=50c6dedeb1aac21c445ee4193f7660503873f395'/>
<id>50c6dedeb1aac21c445ee4193f7660503873f395</id>
<content type='text'>
To cover the corner case that people want to know the ID
of an UNKNOWN CMD.

Suggested-by: John Clements &lt;john.clements@amd.com&gt;
Signed-off-by: Lang Yu &lt;lang.yu@amd.com&gt;
Reviewed-by: Huang Rui &lt;ray.huang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
To cover the corner case that people want to know the ID
of an UNKNOWN CMD.

Suggested-by: John Clements &lt;john.clements@amd.com&gt;
Signed-off-by: Lang Yu &lt;lang.yu@amd.com&gt;
Reviewed-by: Huang Rui &lt;ray.huang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/amdgpu: consolidate PSP TA init shared buf functions</title>
<updated>2021-08-24T19:36:05+00:00</updated>
<author>
<name>Candice Li</name>
<email>candice.li@amd.com</email>
</author>
<published>2021-08-18T11:33:27+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=30acef3c4ad1a9112c851cd3c75704fc665174da'/>
<id>30acef3c4ad1a9112c851cd3c75704fc665174da</id>
<content type='text'>
Signed-off-by: Candice Li &lt;candice.li@amd.com&gt;
Reviewed-by: John Clements &lt;john.clements@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Signed-off-by: Candice Li &lt;candice.li@amd.com&gt;
Reviewed-by: John Clements &lt;john.clements@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
</feed>
