<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-toradex.git/drivers/gpu/drm/amd/amdgpu, branch v6.1</title>
<subtitle>Linux kernel for Apalis and Colibri modules</subtitle>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/'/>
<entry>
<title>drm/amdgpu/sdma_v4_0: turn off SDMA ring buffer in the s2idle suspend</title>
<updated>2022-12-07T17:17:09+00:00</updated>
<author>
<name>Prike Liang</name>
<email>Prike.Liang@amd.com</email>
</author>
<published>2022-12-01T03:17:31+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=bc21fe9a5844c5bc8f7ec319b11d2671a94eb867'/>
<id>bc21fe9a5844c5bc8f7ec319b11d2671a94eb867</id>
<content type='text'>
In the SDMA s0ix save process requires to turn off SDMA ring buffer for
avoiding the SDMA in-flight request, otherwise will suffer from SDMA page
fault which causes by page request from in-flight SDMA ring accessing at
SDMA restore phase.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2248
Cc: stable@vger.kernel.org # 6.0,5.15+
Fixes: f8f4e2a51834 ("drm/amdgpu: skipping SDMA hw_init and hw_fini for S0ix.")
Signed-off-by: Prike Liang &lt;Prike.Liang@amd.com&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Tested-by: Mario Limonciello &lt;mario.limonciello@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>
In the SDMA s0ix save process requires to turn off SDMA ring buffer for
avoiding the SDMA in-flight request, otherwise will suffer from SDMA page
fault which causes by page request from in-flight SDMA ring accessing at
SDMA restore phase.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2248
Cc: stable@vger.kernel.org # 6.0,5.15+
Fixes: f8f4e2a51834 ("drm/amdgpu: skipping SDMA hw_init and hw_fini for S0ix.")
Signed-off-by: Prike Liang &lt;Prike.Liang@amd.com&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Tested-by: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: enable Vangogh VCN indirect sram mode</title>
<updated>2022-12-01T20:09:49+00:00</updated>
<author>
<name>Leo Liu</name>
<email>leo.liu@amd.com</email>
</author>
<published>2022-11-29T23:53:18+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=9a8cc8cabc1e351614fd7f9e774757a5143b6fe8'/>
<id>9a8cc8cabc1e351614fd7f9e774757a5143b6fe8</id>
<content type='text'>
So that uses PSP to initialize HW.

Fixes: 0c2c02b66c672e ("drm/amdgpu/vcn: add firmware support for dimgrey_cavefish")
Signed-off-by: Leo Liu &lt;leo.liu@amd.com&gt;
Reviewed-by: James Zhu &lt;James.Zhu@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
So that uses PSP to initialize HW.

Fixes: 0c2c02b66c672e ("drm/amdgpu/vcn: add firmware support for dimgrey_cavefish")
Signed-off-by: Leo Liu &lt;leo.liu@amd.com&gt;
Reviewed-by: James Zhu &lt;James.Zhu@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'amd-drm-fixes-6.1-2022-11-23' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes</title>
<updated>2022-11-25T00:55:23+00:00</updated>
<author>
<name>Dave Airlie</name>
<email>airlied@redhat.com</email>
</author>
<published>2022-11-25T00:55:23+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e57702069b26b8601a33fdc0c9bbe40c6bb9c72f'/>
<id>e57702069b26b8601a33fdc0c9bbe40c6bb9c72f</id>
<content type='text'>
amd-drm-fixes-6.1-2022-11-23:

amdgpu:
- DCN 3.1.4 fixes
- DP MST DSC deadlock fixes
- HMM userptr fixes
- Fix Aldebaran CU occupancy reporting
- GFX11 fixes
- PSP suspend/resume fix
- DCE12 KASAN fix
- DCN 3.2.x fixes
- Rotated cursor fix
- SMU 13.x fix
- DELL platform suspend/resume fixes
- VCN4 SR-IOV fix
- Display regression fix for polled connectors

Signed-off-by: Dave Airlie &lt;airlied@redhat.com&gt;
From: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Link: https://patchwork.freedesktop.org/patch/msgid/20221123143453.8977-1-alexander.deucher@amd.com
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
amd-drm-fixes-6.1-2022-11-23:

amdgpu:
- DCN 3.1.4 fixes
- DP MST DSC deadlock fixes
- HMM userptr fixes
- Fix Aldebaran CU occupancy reporting
- GFX11 fixes
- PSP suspend/resume fix
- DCE12 KASAN fix
- DCN 3.2.x fixes
- Rotated cursor fix
- SMU 13.x fix
- DELL platform suspend/resume fixes
- VCN4 SR-IOV fix
- Display regression fix for polled connectors

Signed-off-by: Dave Airlie &lt;airlied@redhat.com&gt;
From: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Link: https://patchwork.freedesktop.org/patch/msgid/20221123143453.8977-1-alexander.deucher@amd.com
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'drm-misc-fixes-2022-11-24' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes</title>
<updated>2022-11-24T23:21:11+00:00</updated>
<author>
<name>Dave Airlie</name>
<email>airlied@redhat.com</email>
</author>
<published>2022-11-24T23:21:10+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=9e2c5c651a63baaa39005070481d39dcf5b0893a'/>
<id>9e2c5c651a63baaa39005070481d39dcf5b0893a</id>
<content type='text'>
drm-misc-fixes for v6.1-rc7:
- Another amdgpu gang submit fix.
- Use dma_fence_unwrap_for_each when importing sync files.
- Fix race in dma_heap_add().
- Fix use of uninitialized memory in logo.

Signed-off-by: Dave Airlie &lt;airlied@redhat.com&gt;
From: Maarten Lankhorst &lt;maarten.lankhorst@linux.intel.com&gt;
Link: https://patchwork.freedesktop.org/patch/msgid/a5721505-4823-98ef-7d6f-0ea478221391@linux.intel.com
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
drm-misc-fixes for v6.1-rc7:
- Another amdgpu gang submit fix.
- Use dma_fence_unwrap_for_each when importing sync files.
- Fix race in dma_heap_add().
- Fix use of uninitialized memory in logo.

Signed-off-by: Dave Airlie &lt;airlied@redhat.com&gt;
From: Maarten Lankhorst &lt;maarten.lankhorst@linux.intel.com&gt;
Link: https://patchwork.freedesktop.org/patch/msgid/a5721505-4823-98ef-7d6f-0ea478221391@linux.intel.com
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu/vcn: re-use original vcn0 doorbell value</title>
<updated>2022-11-23T14:01:54+00:00</updated>
<author>
<name>Jane Jian</name>
<email>Jane.Jian@amd.com</email>
</author>
<published>2022-11-16T10:22:52+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=ecb41b71ef90cf4741bcc3286b769dda746b67e6'/>
<id>ecb41b71ef90cf4741bcc3286b769dda746b67e6</id>
<content type='text'>
root cause that S2A need to use deduct offset flag.
after setting this flag, vcn0 doorbell value works.
so return it as before

Signed-off-by: Jane Jian &lt;Jane.Jian@amd.com&gt;
Acked-by: Alex Deucher &lt;alexander.deucher@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>
root cause that S2A need to use deduct offset flag.
after setting this flag, vcn0 doorbell value works.
so return it as before

Signed-off-by: Jane Jian &lt;Jane.Jian@amd.com&gt;
Acked-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: Partially revert "drm/amdgpu: update drm_display_info correctly when the edid is read"</title>
<updated>2022-11-23T14:01:53+00:00</updated>
<author>
<name>Alex Deucher</name>
<email>alexander.deucher@amd.com</email>
</author>
<published>2022-11-21T17:34:14+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=602ad43c3cd8f15cbb25ce9bb494129edb2024ed'/>
<id>602ad43c3cd8f15cbb25ce9bb494129edb2024ed</id>
<content type='text'>
This partially reverts 20543be93ca45968f344261c1a997177e51bd7e1.

Calling drm_connector_update_edid_property() in
amdgpu_connector_free_edid() causes a noticeable pause in
the system every 10 seconds on polled outputs so revert this
part of the change.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2257
Cc: Claudio Suarez &lt;cssk@net-c.es&gt;
Acked-by: Luben Tuikov &lt;luben.tuikov@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
This partially reverts 20543be93ca45968f344261c1a997177e51bd7e1.

Calling drm_connector_update_edid_property() in
amdgpu_connector_free_edid() causes a noticeable pause in
the system every 10 seconds on polled outputs so revert this
part of the change.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2257
Cc: Claudio Suarez &lt;cssk@net-c.es&gt;
Acked-by: Luben Tuikov &lt;luben.tuikov@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: fix use-after-free during gpu recovery</title>
<updated>2022-11-23T14:01:53+00:00</updated>
<author>
<name>Stanley.Yang</name>
<email>Stanley.Yang@amd.com</email>
</author>
<published>2022-11-16T09:08:22+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=3cb93f390453cde4d6afda1587aaa00e75e09617'/>
<id>3cb93f390453cde4d6afda1587aaa00e75e09617</id>
<content type='text'>
[Why]
    [  754.862560] refcount_t: underflow; use-after-free.
    [  754.862898] Call Trace:
    [  754.862903]  &lt;TASK&gt;
    [  754.862913]  amdgpu_job_free_cb+0xc2/0xe1 [amdgpu]
    [  754.863543]  drm_sched_main.cold+0x34/0x39 [amd_sched]

[How]
    The fw_fence may be not init, check whether dma_fence_init
    is performed before job free

Signed-off-by: Stanley.Yang &lt;Stanley.Yang@amd.com&gt;
Reviewed-by: Tao Zhou &lt;tao.zhou1@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>
[Why]
    [  754.862560] refcount_t: underflow; use-after-free.
    [  754.862898] Call Trace:
    [  754.862903]  &lt;TASK&gt;
    [  754.862913]  amdgpu_job_free_cb+0xc2/0xe1 [amdgpu]
    [  754.863543]  drm_sched_main.cold+0x34/0x39 [amd_sched]

[How]
    The fw_fence may be not init, check whether dma_fence_init
    is performed before job free

Signed-off-by: Stanley.Yang &lt;Stanley.Yang@amd.com&gt;
Reviewed-by: Tao Zhou &lt;tao.zhou1@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu/psp: don't free PSP buffers on suspend</title>
<updated>2022-11-23T14:01:53+00:00</updated>
<author>
<name>Alex Deucher</name>
<email>alexander.deucher@amd.com</email>
</author>
<published>2022-11-16T16:26:53+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=4f2bea62cf3874c5a58e987b0b472f9fb57117a2'/>
<id>4f2bea62cf3874c5a58e987b0b472f9fb57117a2</id>
<content type='text'>
We can reuse the same buffers on resume.

v2: squash in S4 fix from Shikai

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2213
Reviewed-by: Christian König &lt;christian.koenig@amd.com&gt;
Tested-by: Guilherme G. Piccoli &lt;gpiccoli@igalia.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
We can reuse the same buffers on resume.

v2: squash in S4 fix from Shikai

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2213
Reviewed-by: Christian König &lt;christian.koenig@amd.com&gt;
Tested-by: Guilherme G. Piccoli &lt;gpiccoli@igalia.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/amdgpu: reserve vm invalidation engine for firmware</title>
<updated>2022-11-21T21:43:13+00:00</updated>
<author>
<name>Jack Xiao</name>
<email>Jack.Xiao@amd.com</email>
</author>
<published>2022-11-16T08:44:21+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=91abf28a636291135ea5cab9af40f017cff6afce'/>
<id>91abf28a636291135ea5cab9af40f017cff6afce</id>
<content type='text'>
If mes enabled, reserve VM invalidation engine 5 for firmware.

Signed-off-by: Jack Xiao &lt;Jack.Xiao@amd.com&gt;
Reviewed-by: Christian König &lt;christian.koenig@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org # 6.0.x
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
If mes enabled, reserve VM invalidation engine 5 for firmware.

Signed-off-by: Jack Xiao &lt;Jack.Xiao@amd.com&gt;
Reviewed-by: Christian König &lt;christian.koenig@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org # 6.0.x
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: Enable Aldebaran devices to report CU Occupancy</title>
<updated>2022-11-21T21:41:51+00:00</updated>
<author>
<name>Ramesh Errabolu</name>
<email>Ramesh.Errabolu@amd.com</email>
</author>
<published>2022-11-16T16:46:08+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=b9ab82da8804ec22c7e91ffd9d56c7a3abff0c8e'/>
<id>b9ab82da8804ec22c7e91ffd9d56c7a3abff0c8e</id>
<content type='text'>
Allow user to know number of compute units (CU) that are in use at any
given moment. Enable access to the method kgd_gfx_v9_get_cu_occupancy
that computes CU occupancy.

Signed-off-by: Ramesh Errabolu &lt;Ramesh.Errabolu@amd.com&gt;
Reviewed-by: Felix Kuehling &lt;Felix.Kuehling@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Allow user to know number of compute units (CU) that are in use at any
given moment. Enable access to the method kgd_gfx_v9_get_cu_occupancy
that computes CU occupancy.

Signed-off-by: Ramesh Errabolu &lt;Ramesh.Errabolu@amd.com&gt;
Reviewed-by: Felix Kuehling &lt;Felix.Kuehling@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
</pre>
</div>
</content>
</entry>
</feed>
