<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-toradex.git/drivers/gpu/drm/amd/amdgpu/cik_ih.c, branch v6.10</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: add protype for print ip state</title>
<updated>2024-04-26T21:22:39+00:00</updated>
<author>
<name>Sunil Khatri</name>
<email>sunil.khatri@amd.com</email>
</author>
<published>2024-04-16T11:00:50+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=40356542c36160bddee9fdf25b9248e0c9e6503b'/>
<id>40356542c36160bddee9fdf25b9248e0c9e6503b</id>
<content type='text'>
Add the protoype for print ip state to be used
to print the registers in devcoredump during
a gpu reset.

Signed-off-by: Sunil Khatri &lt;sunil.khatri@amd.com&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Reviewed-by: Christian König &lt;christian.koenig@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>
Add the protoype for print ip state to be used
to print the registers in devcoredump during
a gpu reset.

Signed-off-by: Sunil Khatri &lt;sunil.khatri@amd.com&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Reviewed-by: Christian König &lt;christian.koenig@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: add prototype for ip dump</title>
<updated>2024-04-26T21:22:39+00:00</updated>
<author>
<name>Sunil Khatri</name>
<email>sunil.khatri@amd.com</email>
</author>
<published>2024-04-01T10:28:38+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e21d253bd74bd422347d202ea2205cdc7623eed2'/>
<id>e21d253bd74bd422347d202ea2205cdc7623eed2</id>
<content type='text'>
Add the prototype to dump ip registers
for all ips of different asics and set
them to NULL for now. Based on the
requirement add a function pointer for
each of them.

Signed-off-by: Sunil Khatri &lt;sunil.khatri@amd.com&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Reviewed-by: Christian König &lt;christian.koenig@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>
Add the prototype to dump ip registers
for all ips of different asics and set
them to NULL for now. Based on the
requirement add a function pointer for
each of them.

Signed-off-by: Sunil Khatri &lt;sunil.khatri@amd.com&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Reviewed-by: Christian König &lt;christian.koenig@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: Reset IH OVERFLOW_CLEAR bit</title>
<updated>2024-01-31T22:39:47+00:00</updated>
<author>
<name>Friedrich Vock</name>
<email>friedrich.vock@gmx.de</email>
</author>
<published>2024-01-23T11:52:03+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=7330256268664ea0a7dd5b07a3fed363093477dd'/>
<id>7330256268664ea0a7dd5b07a3fed363093477dd</id>
<content type='text'>
Allows us to detect subsequent IH ring buffer overflows as well.

Cc: Joshua Ashton &lt;joshua@froggi.es&gt;
Cc: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: Christian König &lt;christian.koenig@amd.com&gt;
Cc: stable@vger.kernel.org
Signed-off-by: Friedrich Vock &lt;friedrich.vock@gmx.de&gt;
Reviewed-by: Christian König &lt;christian.koenig@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>
Allows us to detect subsequent IH ring buffer overflows as well.

Cc: Joshua Ashton &lt;joshua@froggi.es&gt;
Cc: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: Christian König &lt;christian.koenig@amd.com&gt;
Cc: stable@vger.kernel.org
Signed-off-by: Friedrich Vock &lt;friedrich.vock@gmx.de&gt;
Reviewed-by: Christian König &lt;christian.koenig@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: Clean up errors in cik_ih.c</title>
<updated>2023-08-09T13:43:13+00:00</updated>
<author>
<name>Ran Sun</name>
<email>sunran001@208suo.com</email>
</author>
<published>2023-08-02T06:35:29+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=9c7f00f7d13b192408db083a83b15cc03a4ac635'/>
<id>9c7f00f7d13b192408db083a83b15cc03a4ac635</id>
<content type='text'>
Fix the following errors reported by checkpatch:

ERROR: that open brace { should be on the previous line

Signed-off-by: Ran Sun &lt;sunran001@208suo.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>
Fix the following errors reported by checkpatch:

ERROR: that open brace { should be on the previous line

Signed-off-by: Ran Sun &lt;sunran001@208suo.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: Handle IOMMU enabled case.</title>
<updated>2021-05-20T03:50:27+00:00</updated>
<author>
<name>Andrey Grodzovsky</name>
<email>andrey.grodzovsky@amd.com</email>
</author>
<published>2021-05-17T14:38:51+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=d10d0daa207276aff3b740d1ea9b3f58a63256e7'/>
<id>d10d0daa207276aff3b740d1ea9b3f58a63256e7</id>
<content type='text'>
Problem:
Handle all DMA IOMMU group related dependencies before the
group is removed. Those manifest themself in that when IOMMU
enabled DMA map/unmap is dependent on the presence of IOMMU
group the device belongs to but, this group is released once
the device is removed from PCI topology.

Fix:
Expedite all such unmap operations to pci remove driver callback.

v5: Drop IOMMU notifier and switch to lockless call to ttm_tt_unpopulate
v6: Drop the BO unamp list
v7:
Drop amdgpu_gart_fini
In amdgpu_ih_ring_fini do uncinditional  check (!ih-&gt;ring)
to avoid freeing uniniitalized rings.
Call amdgpu_ih_ring_fini unconditionally.
v8: Add deatiled explanation

Signed-off-by: Andrey Grodzovsky &lt;andrey.grodzovsky@amd.com&gt;
Reviewed-by: Felix Kuehling &lt;Felix.Kuehling@amd.com&gt;
Link: https://patchwork.freedesktop.org/patch/msgid/20210517143851.475058-1-andrey.grodzovsky@amd.com
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Problem:
Handle all DMA IOMMU group related dependencies before the
group is removed. Those manifest themself in that when IOMMU
enabled DMA map/unmap is dependent on the presence of IOMMU
group the device belongs to but, this group is released once
the device is removed from PCI topology.

Fix:
Expedite all such unmap operations to pci remove driver callback.

v5: Drop IOMMU notifier and switch to lockless call to ttm_tt_unpopulate
v6: Drop the BO unamp list
v7:
Drop amdgpu_gart_fini
In amdgpu_ih_ring_fini do uncinditional  check (!ih-&gt;ring)
to avoid freeing uniniitalized rings.
Call amdgpu_ih_ring_fini unconditionally.
v8: Add deatiled explanation

Signed-off-by: Andrey Grodzovsky &lt;andrey.grodzovsky@amd.com&gt;
Reviewed-by: Felix Kuehling &lt;Felix.Kuehling@amd.com&gt;
Link: https://patchwork.freedesktop.org/patch/msgid/20210517143851.475058-1-andrey.grodzovsky@amd.com
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: Split amdgpu_device_fini into early and late</title>
<updated>2021-05-20T03:45:49+00:00</updated>
<author>
<name>Andrey Grodzovsky</name>
<email>andrey.grodzovsky@amd.com</email>
</author>
<published>2021-05-12T14:26:34+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=72c8c97b1522ce7ed1789a42fc9828784ebb5e23'/>
<id>72c8c97b1522ce7ed1789a42fc9828784ebb5e23</id>
<content type='text'>
Some of the stuff in amdgpu_device_fini such as HW interrupts
disable and pending fences finilization must be done right away on
pci_remove while most of the stuff which relates to finilizing and
releasing driver data structures can be kept until
drm_driver.release hook is called, i.e. when the last device
reference is dropped.

v4: Change functions prefix early-&gt;hw and late-&gt;sw

Signed-off-by: Andrey Grodzovsky &lt;andrey.grodzovsky@amd.com&gt;
Acked-by: Christian König &lt;christian.koenig@amd.com&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Link: https://patchwork.freedesktop.org/patch/msgid/20210512142648.666476-3-andrey.grodzovsky@amd.com
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Some of the stuff in amdgpu_device_fini such as HW interrupts
disable and pending fences finilization must be done right away on
pci_remove while most of the stuff which relates to finilizing and
releasing driver data structures can be kept until
drm_driver.release hook is called, i.e. when the last device
reference is dropped.

v4: Change functions prefix early-&gt;hw and late-&gt;sw

Signed-off-by: Andrey Grodzovsky &lt;andrey.grodzovsky@amd.com&gt;
Acked-by: Christian König &lt;christian.koenig@amd.com&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Link: https://patchwork.freedesktop.org/patch/msgid/20210512142648.666476-3-andrey.grodzovsky@amd.com
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/amdgpu/cik_ih: Supply description for 'ih' in 'cik_ih_{get, set}_wptr()'</title>
<updated>2020-11-24T17:09:52+00:00</updated>
<author>
<name>Lee Jones</name>
<email>lee.jones@linaro.org</email>
</author>
<published>2020-11-23T11:18:44+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=4aaa7c397d7e82f28cf41398659fc589c28456cc'/>
<id>4aaa7c397d7e82f28cf41398659fc589c28456cc</id>
<content type='text'>
Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/amd/amdgpu/cik_ih.c:189: warning: Function parameter or member 'ih' not described in 'cik_ih_get_wptr'
 drivers/gpu/drm/amd/amdgpu/cik_ih.c:274: warning: Function parameter or member 'ih' not described in 'cik_ih_set_rptr'

Acked-by: Christian König &lt;christian.koenig@amd.com&gt;
Cc: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: "Christian König" &lt;christian.koenig@amd.com&gt;
Cc: David Airlie &lt;airlied@linux.ie&gt;
Cc: Daniel Vetter &lt;daniel@ffwll.ch&gt;
Cc: Qinglang Miao &lt;miaoqinglang@huawei.com&gt;
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones &lt;lee.jones@linaro.org&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>
Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/amd/amdgpu/cik_ih.c:189: warning: Function parameter or member 'ih' not described in 'cik_ih_get_wptr'
 drivers/gpu/drm/amd/amdgpu/cik_ih.c:274: warning: Function parameter or member 'ih' not described in 'cik_ih_set_rptr'

Acked-by: Christian König &lt;christian.koenig@amd.com&gt;
Cc: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: "Christian König" &lt;christian.koenig@amd.com&gt;
Cc: David Airlie &lt;airlied@linux.ie&gt;
Cc: Daniel Vetter &lt;daniel@ffwll.ch&gt;
Cc: Qinglang Miao &lt;miaoqinglang@huawei.com&gt;
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones &lt;lee.jones@linaro.org&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: simplify the return expression</title>
<updated>2020-09-22T21:37:37+00:00</updated>
<author>
<name>Qinglang Miao</name>
<email>miaoqinglang@huawei.com</email>
</author>
<published>2020-09-21T13:10:13+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=da51e50d454dbfd92f1426b5674fef5f3e229ab1'/>
<id>da51e50d454dbfd92f1426b5674fef5f3e229ab1</id>
<content type='text'>
Simplify the return expression.

Signed-off-by: Qinglang Miao &lt;miaoqinglang@huawei.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>
Simplify the return expression.

Signed-off-by: Qinglang Miao &lt;miaoqinglang@huawei.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd: drop use of drmP.h in remaining files</title>
<updated>2019-06-10T21:04:34+00:00</updated>
<author>
<name>Sam Ravnborg</name>
<email>sam@ravnborg.org</email>
</author>
<published>2019-06-09T22:07:57+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=47b757fba2a382d5f818d1884fe87c4014818088'/>
<id>47b757fba2a382d5f818d1884fe87c4014818088</id>
<content type='text'>
With this commit drm/amd/ has no longer any uses of
the deprecated drmP.h header file.

Signed-off-by: Sam Ravnborg &lt;sam@ravnborg.org&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: "Christian König" &lt;christian.koenig@amd.com&gt;
Cc: "David (ChunMing) Zhou" &lt;David1.Zhou@amd.com&gt;
Cc: David Airlie &lt;airlied@linux.ie&gt;
Cc: Daniel Vetter &lt;daniel@ffwll.ch&gt;
Link: https://patchwork.freedesktop.org/patch/msgid/20190609220757.10862-11-sam@ravnborg.org
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
With this commit drm/amd/ has no longer any uses of
the deprecated drmP.h header file.

Signed-off-by: Sam Ravnborg &lt;sam@ravnborg.org&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: "Christian König" &lt;christian.koenig@amd.com&gt;
Cc: "David (ChunMing) Zhou" &lt;David1.Zhou@amd.com&gt;
Cc: David Airlie &lt;airlied@linux.ie&gt;
Cc: Daniel Vetter &lt;daniel@ffwll.ch&gt;
Link: https://patchwork.freedesktop.org/patch/msgid/20190609220757.10862-11-sam@ravnborg.org
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amdgpu: simplify IH programming</title>
<updated>2019-01-14T20:04:47+00:00</updated>
<author>
<name>Christian König</name>
<email>christian.koenig@amd.com</email>
</author>
<published>2018-09-18T12:24:49+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=d81f78b440f314e2a551d938e4c509fca16a8fe7'/>
<id>d81f78b440f314e2a551d938e4c509fca16a8fe7</id>
<content type='text'>
Calculate all the addresses and pointers in amdgpu_ih.c

Signed-off-by: Christian König &lt;christian.koenig@amd.com&gt;
Reviewed-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>
Calculate all the addresses and pointers in amdgpu_ih.c

Signed-off-by: Christian König &lt;christian.koenig@amd.com&gt;
Reviewed-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
</feed>
