<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux.git/drivers/gpu/drm/amd/display/dc/core, branch v6.6</title>
<subtitle>Linux kernel source tree</subtitle>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/'/>
<entry>
<title>drm/amd/display: Don't set dpms_off for seamless boot</title>
<updated>2023-10-09T21:59:29+00:00</updated>
<author>
<name>Daniel Miess</name>
<email>daniel.miess@amd.com</email>
</author>
<published>2023-09-29T17:04:33+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=23645bca98304a2772f0de96f97370dd567d0ae6'/>
<id>23645bca98304a2772f0de96f97370dd567d0ae6</id>
<content type='text'>
[Why]
eDPs fail to light up with seamless boot enabled

[How]
When seamless boot is enabled don't configure dpms_off
in disable_vbios_mode_if_required.

Reviewed-by: Charlene Liu &lt;charlene.liu@amd.com&gt;
Cc: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Cc: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
Acked-by: Tom Chung &lt;chiahsuan.chung@amd.com&gt;
Signed-off-by: Daniel Miess &lt;daniel.miess@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@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]
eDPs fail to light up with seamless boot enabled

[How]
When seamless boot is enabled don't configure dpms_off
in disable_vbios_mode_if_required.

Reviewed-by: Charlene Liu &lt;charlene.liu@amd.com&gt;
Cc: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Cc: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
Acked-by: Tom Chung &lt;chiahsuan.chung@amd.com&gt;
Signed-off-by: Daniel Miess &lt;daniel.miess@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/display: Fix 2nd DPIA encoder Assignment</title>
<updated>2023-09-11T22:30:15+00:00</updated>
<author>
<name>Mustapha Ghaddar</name>
<email>mghaddar@amd.com</email>
</author>
<published>2023-08-22T20:18:03+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=29319378449035c6fc6391b31a3c2cbaf75be221'/>
<id>29319378449035c6fc6391b31a3c2cbaf75be221</id>
<content type='text'>
[HOW &amp; Why]
There seems to be an issue with 2nd DPIA acquiring link encoder for tiled displays.
Solution is to remove check for eng_id before we get first dynamic encoder for it

Reviewed-by: Cruise Hung &lt;cruise.hung@amd.com&gt;
Reviewed-by: Meenakshikumar Somasundaram &lt;meenakshikumar.somasundaram@amd.com&gt;
Cc: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Cc: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
Acked-by: Stylon Wang &lt;stylon.wang@amd.com&gt;
Signed-off-by: Mustapha Ghaddar &lt;mghaddar@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@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>
[HOW &amp; Why]
There seems to be an issue with 2nd DPIA acquiring link encoder for tiled displays.
Solution is to remove check for eng_id before we get first dynamic encoder for it

Reviewed-by: Cruise Hung &lt;cruise.hung@amd.com&gt;
Reviewed-by: Meenakshikumar Somasundaram &lt;meenakshikumar.somasundaram@amd.com&gt;
Cc: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Cc: Alex Deucher &lt;alexander.deucher@amd.com&gt;
Cc: stable@vger.kernel.org
Acked-by: Stylon Wang &lt;stylon.wang@amd.com&gt;
Signed-off-by: Mustapha Ghaddar &lt;mghaddar@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/display: Add DPIA Link Encoder Assignment Fix</title>
<updated>2023-09-11T22:30:03+00:00</updated>
<author>
<name>Mustapha Ghaddar</name>
<email>mghaddar@amd.com</email>
</author>
<published>2023-08-10T20:20:23+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=64be47ba286117ee4e3dd9d064c88ea2913e3269'/>
<id>64be47ba286117ee4e3dd9d064c88ea2913e3269</id>
<content type='text'>
For DPIA we should have preferred DIG assignment based on DPIA selected
as per the ASIC design.

Reviewed-by: George Shen &lt;george.shen@amd.com&gt;
Acked-by: Hamza Mahfooz &lt;hamza.mahfooz@amd.com&gt;
Signed-off-by: Mustapha Ghaddar &lt;mghaddar@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>
For DPIA we should have preferred DIG assignment based on DPIA selected
as per the ASIC design.

Reviewed-by: George Shen &lt;george.shen@amd.com&gt;
Acked-by: Hamza Mahfooz &lt;hamza.mahfooz@amd.com&gt;
Signed-off-by: Mustapha Ghaddar &lt;mghaddar@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/amd/display: always switch off ODM before committing more streams</title>
<updated>2023-08-31T22:09:14+00:00</updated>
<author>
<name>Wenjing Liu</name>
<email>wenjing.liu@amd.com</email>
</author>
<published>2023-08-15T14:47:52+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=49a30c3d1a2258fc93cfe6eea8e4951dabadc824'/>
<id>49a30c3d1a2258fc93cfe6eea8e4951dabadc824</id>
<content type='text'>
ODM power optimization is only supported with single stream. When ODM
power optimization is enabled, we might not have enough free pipes for
enabling other stream. So when we are committing more than 1 stream we
should first switch off ODM power optimization to make room for new
stream and then allocating pipe resource for the new stream.

Cc: stable@vger.kernel.org
Fixes: 59de751e3845 ("drm/amd/display: add ODM case when looking for first split pipe")
Reviewed-by: Dillon Varone &lt;dillon.varone@amd.com&gt;
Acked-by: Hamza Mahfooz &lt;hamza.mahfooz@amd.com&gt;
Signed-off-by: Wenjing Liu &lt;wenjing.liu@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>
ODM power optimization is only supported with single stream. When ODM
power optimization is enabled, we might not have enough free pipes for
enabling other stream. So when we are committing more than 1 stream we
should first switch off ODM power optimization to make room for new
stream and then allocating pipe resource for the new stream.

Cc: stable@vger.kernel.org
Fixes: 59de751e3845 ("drm/amd/display: add ODM case when looking for first split pipe")
Reviewed-by: Dillon Varone &lt;dillon.varone@amd.com&gt;
Acked-by: Hamza Mahfooz &lt;hamza.mahfooz@amd.com&gt;
Signed-off-by: Wenjing Liu &lt;wenjing.liu@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/display: Remove wait while locked</title>
<updated>2023-08-31T22:08:19+00:00</updated>
<author>
<name>Gabe Teeger</name>
<email>gabe.teeger@amd.com</email>
</author>
<published>2023-08-14T20:06:18+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=5a3ccb1400339268c5e3dc1fa044a7f6c7f59a02'/>
<id>5a3ccb1400339268c5e3dc1fa044a7f6c7f59a02</id>
<content type='text'>
[Why]
We wait for mpc idle while in a locked state, leading to potential
deadlock.

[What]
Move the wait_for_idle call to outside of HW lock. This and a
call to wait_drr_doublebuffer_pending_clear are moved added to a new
static helper function called wait_for_outstanding_hw_updates, to make
the interface clearer.

Cc: stable@vger.kernel.org
Fixes: 8f0d304d21b3 ("drm/amd/display: Do not commit pipe when updating DRR")
Reviewed-by: Jun Lei &lt;jun.lei@amd.com&gt;
Acked-by: Hamza Mahfooz &lt;hamza.mahfooz@amd.com&gt;
Signed-off-by: Gabe Teeger &lt;gabe.teeger@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]
We wait for mpc idle while in a locked state, leading to potential
deadlock.

[What]
Move the wait_for_idle call to outside of HW lock. This and a
call to wait_drr_doublebuffer_pending_clear are moved added to a new
static helper function called wait_for_outstanding_hw_updates, to make
the interface clearer.

Cc: stable@vger.kernel.org
Fixes: 8f0d304d21b3 ("drm/amd/display: Do not commit pipe when updating DRR")
Reviewed-by: Jun Lei &lt;jun.lei@amd.com&gt;
Acked-by: Hamza Mahfooz &lt;hamza.mahfooz@amd.com&gt;
Signed-off-by: Gabe Teeger &lt;gabe.teeger@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/display: implement pipe type definition and adding accessors</title>
<updated>2023-08-15T22:08:28+00:00</updated>
<author>
<name>Wenjing Liu</name>
<email>wenjing.liu@amd.com</email>
</author>
<published>2023-07-28T17:42:37+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=53f3288079460ec7c86a39871af5c8b2a5d48685'/>
<id>53f3288079460ec7c86a39871af5c8b2a5d48685</id>
<content type='text'>
[why]
There is a lack of encapsulation of pipe connection representation in pipe context.
This has caused many challenging bugs and coding errors with repeated
logic to identify the same pipe type.

[how]
Formally define pipe types and provide getters to identify a pipe type and
find a pipe based on specific requirements. Update existing logic in non dcn
specific files and dcn32 and future versions to use the new accessors.

Reviewed-by: Jun Lei &lt;jun.lei@amd.com&gt;
Acked-by: Stylon Wang &lt;stylon.wang@amd.com&gt;
Signed-off-by: Wenjing Liu &lt;wenjing.liu@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@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]
There is a lack of encapsulation of pipe connection representation in pipe context.
This has caused many challenging bugs and coding errors with repeated
logic to identify the same pipe type.

[how]
Formally define pipe types and provide getters to identify a pipe type and
find a pipe based on specific requirements. Update existing logic in non dcn
specific files and dcn32 and future versions to use the new accessors.

Reviewed-by: Jun Lei &lt;jun.lei@amd.com&gt;
Acked-by: Stylon Wang &lt;stylon.wang@amd.com&gt;
Signed-off-by: Wenjing Liu &lt;wenjing.liu@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/display: Enable subvp high refresh up to 175hz</title>
<updated>2023-08-15T22:08:28+00:00</updated>
<author>
<name>Alvin Lee</name>
<email>alvin.lee2@amd.com</email>
</author>
<published>2023-07-31T21:56:23+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=30c3a3305c62c129e39893aa86840ff8ee64df46'/>
<id>30c3a3305c62c129e39893aa86840ff8ee64df46</id>
<content type='text'>
[Description]
Expand the SubVP policy to include up to 175hz displays
for better power saving on more display configs.

Reviewed-by: Chaitanya Dhere &lt;chaitanya.dhere@amd.com&gt;
Acked-by: Stylon Wang &lt;stylon.wang@amd.com&gt;
Signed-off-by: Alvin Lee &lt;alvin.lee2@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@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>
[Description]
Expand the SubVP policy to include up to 175hz displays
for better power saving on more display configs.

Reviewed-by: Chaitanya Dhere &lt;chaitanya.dhere@amd.com&gt;
Acked-by: Stylon Wang &lt;stylon.wang@amd.com&gt;
Signed-off-by: Alvin Lee &lt;alvin.lee2@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/display: Support Compliance Test Pattern Generation with DP2 Retimer</title>
<updated>2023-08-15T22:08:27+00:00</updated>
<author>
<name>Michael Strauss</name>
<email>michael.strauss@amd.com</email>
</author>
<published>2023-06-22T19:30:24+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=ad5594ad41de08f01cb46a2263a1145c58bccee6'/>
<id>ad5594ad41de08f01cb46a2263a1145c58bccee6</id>
<content type='text'>
[WHY]
Certain retimer requires workarounds in order to correctly output test patterns.

[HOW]
Add vendor-specific aux sequences to program retimer's TX and pattern generator
when specific compliance test patterns are requested by sink.
Note: SQ128 w/a in DPMF mode only works in one flip orientation currently

Reviewed-by: Hansen Dsouza &lt;hansen.dsouza@amd.com&gt;
Reviewed-by: Wenjing Liu &lt;wenjing.liu@amd.com&gt;
Acked-by: Stylon Wang &lt;stylon.wang@amd.com&gt;
Signed-off-by: Michael Strauss &lt;michael.strauss@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@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]
Certain retimer requires workarounds in order to correctly output test patterns.

[HOW]
Add vendor-specific aux sequences to program retimer's TX and pattern generator
when specific compliance test patterns are requested by sink.
Note: SQ128 w/a in DPMF mode only works in one flip orientation currently

Reviewed-by: Hansen Dsouza &lt;hansen.dsouza@amd.com&gt;
Reviewed-by: Wenjing Liu &lt;wenjing.liu@amd.com&gt;
Acked-by: Stylon Wang &lt;stylon.wang@amd.com&gt;
Signed-off-by: Michael Strauss &lt;michael.strauss@amd.com&gt;
Tested-by: Daniel Wheeler &lt;daniel.wheeler@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/display: Add Replay supported/enabled checks</title>
<updated>2023-08-15T21:40:31+00:00</updated>
<author>
<name>Bhawanpreet Lakha</name>
<email>Bhawanpreet.Lakha@amd.com</email>
</author>
<published>2023-06-28T15:55:50+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=c84f512387fcda784b907c4754b8c4088432fa5d'/>
<id>c84f512387fcda784b907c4754b8c4088432fa5d</id>
<content type='text'>
- Add checks for Cursor update and dirty rects (sending updates to dmub)
- Add checks for dc_notify_vsync, and fbc and subvp

Signed-off-by: Bhawanpreet Lakha &lt;Bhawanpreet.Lakha@amd.com&gt;
Reviewed-by: Harry Wentland &lt;harry.wentland@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 checks for Cursor update and dirty rects (sending updates to dmub)
- Add checks for dc_notify_vsync, and fbc and subvp

Signed-off-by: Bhawanpreet Lakha &lt;Bhawanpreet.Lakha@amd.com&gt;
Reviewed-by: Harry Wentland &lt;harry.wentland@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/display: Clean up errors in dc_stream.c</title>
<updated>2023-08-09T13:43:06+00:00</updated>
<author>
<name>Ran Sun</name>
<email>sunran001@208suo.com</email>
</author>
<published>2023-08-02T06:14:23+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=dfc0cc6828404a9b571d452d6baf1a160aa9b89f'/>
<id>dfc0cc6828404a9b571d452d6baf1a160aa9b89f</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>
</feed>
