<feed xmlns='http://www.w3.org/2005/Atom'>
<title>lwn.git/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h, branch docs-next</title>
<subtitle>Linux kernel documentation tree maintained by Jonathan Corbet</subtitle>
<id>http://mirrors.hust.edu.cn/git/lwn.git/atom?h=docs-next</id>
<link rel='self' href='http://mirrors.hust.edu.cn/git/lwn.git/atom?h=docs-next'/>
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<updated>2025-12-08T18:56:31+00:00</updated>
<entry>
<title>drm/amdgpu: Add rlcv firmware for frontdoor loading.</title>
<updated>2025-12-08T18:56:31+00:00</updated>
<author>
<name>Feifei Xu</name>
<email>Feifei.Xu@amd.com</email>
</author>
<published>2025-07-28T10:58:08+00:00</published>
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<id>urn:sha1:708b8589f2605a170b572478a2fb3755bb9f272f</id>
<content type='text'>
Rlcv is required to be loaded for frontdoor.

1. Add 2 rlcv ucode ids:
    AMDGPU_UCODE_RLC_IRAM_1 and AMDGPU_UCODE_RLC_DRAM_1

2. Add rlc_firmware_header_v2_5 for above 2 rlcv headers.

3. Add 2 types in psp_fw_gfx_if interface interacting with asp:
    GFX_FW_TYPE_RLX6_UCODE_CORE1 - RLCV IRAM
    GFX_FW_TYPE_RLX6_DRAM_BOOT_CORE1 - RLCV DRAM BOOT

Signed-off-by: Feifei Xu &lt;Feifei.Xu@amd.com&gt;
Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
</entry>
<entry>
<title>drm/amdgpu: reclaim psp fw reservation memory region</title>
<updated>2025-06-18T16:19:21+00:00</updated>
<author>
<name>Frank Min</name>
<email>Frank.Min@amd.com</email>
</author>
<published>2025-05-21T08:46:27+00:00</published>
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<id>urn:sha1:a3b7f9c306e19a5b618483c11e8af6404ff69408</id>
<content type='text'>
PSP v14 fw update introduced changes on memory reservation region, according
to the change driver reclaim some non-reserved region.

1. introduce 2 new psp commands to query fw reservation regions
2. add a new reservation region for psp
3. reclaim psp non-used region

Signed-off-by: Frank Min &lt;Frank.Min@amd.com&gt;
Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
</entry>
<entry>
<title>drm/amdgpu: Add PSP interface for NPS switch</title>
<updated>2024-10-07T18:32:00+00:00</updated>
<author>
<name>Rajneesh Bhardwaj</name>
<email>rajneesh.bhardwaj@amd.com</email>
</author>
<published>2024-09-19T11:52:50+00:00</published>
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<id>urn:sha1:212cc2411994c4a692c3e8c9d04592fd8b1b7108</id>
<content type='text'>
Implement PSP ring command interface for memory partitioning on the fly
on the supported asics.

Signed-off-by: Rajneesh Bhardwaj &lt;rajneesh.bhardwaj@amd.com&gt;
Reviewed-by: Feifei Xu &lt;Feifei.Xu@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
</entry>
<entry>
<title>drm/amdgpu: Add psp command CONFIG_SQ_PERFMON</title>
<updated>2024-09-26T21:06:16+00:00</updated>
<author>
<name>Feifei Xu</name>
<email>Feifei.Xu@amd.com</email>
</author>
<published>2024-09-12T10:08:07+00:00</published>
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<id>urn:sha1:400a7591d94826c5ec3273abb38e07330143898b</id>
<content type='text'>
Add support for enable/disable perfmon profiling.

Signed-off-by: Feifei Xu &lt;Feifei.Xu@amd.com&gt;
Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Reviewed-by: Lijo Lazar &lt;lijo.lazar@amd.com&gt;
Reviewed-by: James Zhu &lt;James.Zhu@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
</entry>
<entry>
<title>drm/amdgpu: Don't show false warning for reg list</title>
<updated>2024-06-25T18:22:56+00:00</updated>
<author>
<name>Lijo Lazar</name>
<email>lijo.lazar@amd.com</email>
</author>
<published>2024-06-03T06:42:18+00:00</published>
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<id>urn:sha1:48880f9686b1ac2ea0831f65df953a63d1437fc0</id>
<content type='text'>
If reg list is already loaded on PSP 13.0.2 SOCs, psp will give
TEE_ERR_CANCEL response on second time load. Avoid printing warn
message for it.

Signed-off-by: Lijo Lazar &lt;lijo.lazar@amd.com&gt;
Reviewed-by: Feifei Xu &lt;Feifei.Xu@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
</entry>
<entry>
<title>drm/amdgpu: add ucode id for jpeg DPG support</title>
<updated>2024-02-12T21:09:11+00:00</updated>
<author>
<name>Saleemkhan Jamadar</name>
<email>saleemkhan.jamadar@amd.com</email>
</author>
<published>2023-12-11T14:48:49+00:00</published>
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<id>urn:sha1:617efef4af1c4577053e36a61c8be720345885f2</id>
<content type='text'>
add ucode id and cmd buffer for jpeg psp sram programming
and Jpeg DPG support.

Signed-off-by: Saleemkhan Jamadar &lt;saleemkhan.jamadar@amd.com&gt;
Reviewed-by: Leo Liu &lt;leo.liu@amd.com&gt;
Reviewed-by: Veerabadhran Gopalakrishnan &lt;Veerabadhran.Gopalakrishnan@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
</entry>
<entry>
<title>drm/amdgpu: Update PSP interface header</title>
<updated>2023-10-13T15:32:47+00:00</updated>
<author>
<name>Lijo Lazar</name>
<email>lijo.lazar@amd.com</email>
</author>
<published>2023-10-11T14:13:56+00:00</published>
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<id>urn:sha1:cd21cb1fcbd892e47f574f9721e067855b7a838a</id>
<content type='text'>
Adds FW id for P2S table.

Signed-off-by: Lijo Lazar &lt;lijo.lazar@amd.com&gt;
Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Reviewed-by: Yang Wang &lt;kevinyang.wang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
</entry>
<entry>
<title>drm/amdgpu: fix VPE front door loading issue</title>
<updated>2023-08-31T20:34:22+00:00</updated>
<author>
<name>Lang Yu</name>
<email>Lang.Yu@amd.com</email>
</author>
<published>2023-06-27T01:44:41+00:00</published>
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<id>urn:sha1:f9ecae9a4ec19c2a7b3ac132411af1ee9940a0f5</id>
<content type='text'>
Implement proper front door loading for vpe 6.1.

Signed-off-by: Lang Yu &lt;Lang.Yu@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
</entry>
<entry>
<title>drm/amdgpu: add PSP FW TYPE for VPE</title>
<updated>2023-08-31T20:33:50+00:00</updated>
<author>
<name>Lang Yu</name>
<email>Lang.Yu@amd.com</email>
</author>
<published>2023-05-06T02:09:32+00:00</published>
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<id>urn:sha1:964a36d7a4780bb657a98789fae5a620de0bb1e0</id>
<content type='text'>
Add PSP FW TYPE for Video Processing Engine.

Signed-off-by: Lang Yu &lt;Lang.Yu@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
</entry>
<entry>
<title>drm/amdgpu: Add PSP spatial parition interface</title>
<updated>2023-06-09T13:57:53+00:00</updated>
<author>
<name>Lijo Lazar</name>
<email>lijo.lazar@amd.com</email>
</author>
<published>2023-03-10T10:08:19+00:00</published>
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<id>urn:sha1:ba08e9cb6ff87acdb2f28f013fe695a252533f0e</id>
<content type='text'>
Add PSP ring command interface for spatial partitioning.

Signed-off-by: Lijo Lazar &lt;lijo.lazar@amd.com&gt;
Reviewed-by: Hawking Zhang &lt;Hawking.Zhang@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</content>
</entry>
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