<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-stable.git/drivers/gpu/drm/amd/display/dc/dcn21/Makefile, branch master</title>
<subtitle>Linux kernel stable tree</subtitle>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/'/>
<entry>
<title>drm/amd/display: Refactor HUBP into component folder.</title>
<updated>2024-05-08T19:17:03+00:00</updated>
<author>
<name>Bhuvana Chandra Pinninti</name>
<email>bhuvanachandra.pinninti@amd.com</email>
</author>
<published>2024-04-25T11:33:59+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=0cfdfebedc5b48aeee63bc808bcac85d5ab63176'/>
<id>0cfdfebedc5b48aeee63bc808bcac85d5ab63176</id>
<content type='text'>
[why]
cleaning up the code refactor requires hubp to be in its own component.

[how]
move all files under newly created hubp folder and fixing the makefiles.

Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Tom Chung &lt;chiahsuan.chung@amd.com&gt;
Signed-off-by: Bhuvana Chandra Pinninti &lt;bhuvanachandra.pinninti@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]
cleaning up the code refactor requires hubp to be in its own component.

[how]
move all files under newly created hubp folder and fixing the makefiles.

Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Tom Chung &lt;chiahsuan.chung@amd.com&gt;
Signed-off-by: Bhuvana Chandra Pinninti &lt;bhuvanachandra.pinninti@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: Refactor DCCG into component folder</title>
<updated>2024-05-02T20:18:16+00:00</updated>
<author>
<name>Revalla Hari Krishna</name>
<email>harikrishna.revalla@amd.com</email>
</author>
<published>2024-04-22T10:04:02+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=0a8d25285feb68608acdf778983ee5f4d72707e8'/>
<id>0a8d25285feb68608acdf778983ee5f4d72707e8</id>
<content type='text'>
[why]
cleaning up the code refactor requires dccg to be in its own component.

[how]
move all files under newly created dccg folder and fixing the
makefiles.

Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Tom Chung &lt;chiahsuan.chung@amd.com&gt;
Signed-off-by: Revalla Hari Krishna &lt;harikrishna.revalla@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]
cleaning up the code refactor requires dccg to be in its own component.

[how]
move all files under newly created dccg folder and fixing the
makefiles.

Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Tom Chung &lt;chiahsuan.chung@amd.com&gt;
Signed-off-by: Revalla Hari Krishna &lt;harikrishna.revalla@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 invalid Copyright notice</title>
<updated>2024-05-02T20:18:16+00:00</updated>
<author>
<name>Leo Ma</name>
<email>hanghong.ma@amd.com</email>
</author>
<published>2024-04-22T14:17:17+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=f5d75327d30af49acf2e4b55f35ce2e6c45d1287'/>
<id>f5d75327d30af49acf2e4b55f35ce2e6c45d1287</id>
<content type='text'>
[Why &amp;&amp; How]
Copyright notice failed in the Palamida scan and make changes to
align with our guidelines.

Acked-by: Tom Chung &lt;chiahsuan.chung@amd.com&gt;
Signed-off-by: Leo Ma &lt;hanghong.ma@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 &amp;&amp; How]
Copyright notice failed in the Palamida scan and make changes to
align with our guidelines.

Acked-by: Tom Chung &lt;chiahsuan.chung@amd.com&gt;
Signed-off-by: Leo Ma &lt;hanghong.ma@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: Refactor HUBBUB into component folder</title>
<updated>2024-04-30T13:56:31+00:00</updated>
<author>
<name>Revalla Hari Krishna</name>
<email>harikrishna.revalla@amd.com</email>
</author>
<published>2024-04-18T12:46:40+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=f9c7818c9d653e40dbd3c7e9c857e5b00dfca622'/>
<id>f9c7818c9d653e40dbd3c7e9c857e5b00dfca622</id>
<content type='text'>
[why]
cleaning up the code refactor requires hubbub to be in its own component.

[how]
Move all files under newly created hubbub folder and fix the makefiles.

Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Wayne Lin &lt;wayne.lin@amd.com&gt;
Signed-off-by: Revalla Hari Krishna &lt;harikrishna.revalla@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]
cleaning up the code refactor requires hubbub to be in its own component.

[how]
Move all files under newly created hubbub folder and fix the makefiles.

Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Wayne Lin &lt;wayne.lin@amd.com&gt;
Signed-off-by: Revalla Hari Krishna &lt;harikrishna.revalla@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: Refactor INIT into component folder</title>
<updated>2024-01-03T15:47:29+00:00</updated>
<author>
<name>Revalla</name>
<email>hrevalla@amd.com</email>
</author>
<published>2023-12-13T14:26:38+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=f6154d8babbb8a98f0d3ea325aafae2e33bfd8be'/>
<id>f6154d8babbb8a98f0d3ea325aafae2e33bfd8be</id>
<content type='text'>
[why]
Move all init files to hwss folder.

[how]
moved the dcnxx_init.c and .h files into inside the hwss and cleared the
linkage errors.

Tested-by: Daniel Wheeler &lt;daniel.wheeler@amd.com&gt;
Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Rodrigo Siqueira &lt;rodrigo.siqueira@amd.com&gt;
Signed-off-by: Revalla &lt;hrevalla@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]
Move all init files to hwss folder.

[how]
moved the dcnxx_init.c and .h files into inside the hwss and cleared the
linkage errors.

Tested-by: Daniel Wheeler &lt;daniel.wheeler@amd.com&gt;
Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Rodrigo Siqueira &lt;rodrigo.siqueira@amd.com&gt;
Signed-off-by: Revalla &lt;hrevalla@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/display: Refactor resource into component directory</title>
<updated>2023-11-17T14:30:50+00:00</updated>
<author>
<name>Mounika Adhuri</name>
<email>moadhuri@amd.com</email>
</author>
<published>2023-10-06T09:35:42+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=8b8eed05a1c650c27e78bc47d07f7d6c9ba779e8'/>
<id>8b8eed05a1c650c27e78bc47d07f7d6c9ba779e8</id>
<content type='text'>
[WHY]
Move all resource files to unique folder resource.

[HOW]
Created resource folder in dc, moved the
dcnxx_resource.c and dcnxx_resource.h files into
corresponding new folders inside the resource and
made appropriate changes for compilation in Makefiles.

Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Alex Hung &lt;alex.hung@amd.com&gt;
Signed-off-by: Mounika Adhuri &lt;moadhuri@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]
Move all resource files to unique folder resource.

[HOW]
Created resource folder in dc, moved the
dcnxx_resource.c and dcnxx_resource.h files into
corresponding new folders inside the resource and
made appropriate changes for compilation in Makefiles.

Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Alex Hung &lt;alex.hung@amd.com&gt;
Signed-off-by: Mounika Adhuri &lt;moadhuri@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: Refactor HWSS into component folder</title>
<updated>2023-10-09T21:00:09+00:00</updated>
<author>
<name>Mounika Adhuri</name>
<email>moadhuri@amd.com</email>
</author>
<published>2023-09-22T12:53:28+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=e53524cdcc02d089e757b668da031ba06ff665c3'/>
<id>e53524cdcc02d089e757b668da031ba06ff665c3</id>
<content type='text'>
[why]
Rename hw_sequencer to hwseq.
Move all hwseq files to unique
folder hwss.

[how]
creating hwss repo in dc, and moved the dcnxx_hwseq.c
and .h files into corresponding new folders inside the hwss
and cleared the linkage errors by adding relative paths
in the Makefile.template.

Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Tom Chung &lt;chiahsuan.chung@amd.com&gt;
Signed-off-by: Mounika Adhuri &lt;moadhuri@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]
Rename hw_sequencer to hwseq.
Move all hwseq files to unique
folder hwss.

[how]
creating hwss repo in dc, and moved the dcnxx_hwseq.c
and .h files into corresponding new folders inside the hwss
and cleared the linkage errors by adding relative paths
in the Makefile.template.

Reviewed-by: Martin Leung &lt;martin.leung@amd.com&gt;
Acked-by: Tom Chung &lt;chiahsuan.chung@amd.com&gt;
Signed-off-by: Mounika Adhuri &lt;moadhuri@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: move FPU operations from dcn21 to dml/dcn20 folder</title>
<updated>2022-03-15T18:25:16+00:00</updated>
<author>
<name>Melissa Wen</name>
<email>mwen@igalia.com</email>
</author>
<published>2022-02-28T21:10:46+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=22f87d99832650d9389b0b3d08f3c970afc53f10'/>
<id>22f87d99832650d9389b0b3d08f3c970afc53f10</id>
<content type='text'>
dml/dcn20_fpu file centralizes all DCN2x functions that require FPU access.
Therefore, this patch moves FPU-related code from dcn21 to dcn20_fpu. These
include:
- dcn21_populate_dml_pipes_from_context()
- dcn21_validate_bandwidth_fp() and related:
  - dcn21_calculate_wm(),
  - patch_bounding_box(),
  - calculate_wm_set_for_vlevel()
- renaming update_bw_bounding_box() to dcn21_update_bw_bounding_box(), move
to dcn20_fpu with related static function construct_low_pstate_lvl()

Also, make dcn21_fast_validate_bw() public in dcn21_resource as it is called
by dcn21_validate_bandwidth_fp() now in dcn20_fpu.

Reuse dcn20_fpu_adjust_dppclk() in dcn21_fast_validate_bw() as it isolates
the same FPU operation.

Include dchubbub.h as it is required in dcn21_populate_dml_pipes_from_context()

Signed-off-by: Melissa Wen &lt;mwen@igalia.com&gt;
Acked-by: Alan Liu &lt;HaoPing.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>
dml/dcn20_fpu file centralizes all DCN2x functions that require FPU access.
Therefore, this patch moves FPU-related code from dcn21 to dcn20_fpu. These
include:
- dcn21_populate_dml_pipes_from_context()
- dcn21_validate_bandwidth_fp() and related:
  - dcn21_calculate_wm(),
  - patch_bounding_box(),
  - calculate_wm_set_for_vlevel()
- renaming update_bw_bounding_box() to dcn21_update_bw_bounding_box(), move
to dcn20_fpu with related static function construct_low_pstate_lvl()

Also, make dcn21_fast_validate_bw() public in dcn21_resource as it is called
by dcn21_validate_bandwidth_fp() now in dcn20_fpu.

Reuse dcn20_fpu_adjust_dppclk() in dcn21_fast_validate_bw() as it isolates
the same FPU operation.

Include dchubbub.h as it is required in dcn21_populate_dml_pipes_from_context()

Signed-off-by: Melissa Wen &lt;mwen@igalia.com&gt;
Acked-by: Alan Liu &lt;HaoPing.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/amdgpu/display: drop DCN support for aarch64</title>
<updated>2021-01-06T21:24:10+00:00</updated>
<author>
<name>Alex Deucher</name>
<email>alexander.deucher@amd.com</email>
</author>
<published>2021-01-04T16:24:20+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=c241ed2f0ea549c18cff62a3708b43846b84dae3'/>
<id>c241ed2f0ea549c18cff62a3708b43846b84dae3</id>
<content type='text'>
From Ard:

"Simply disabling -mgeneral-regs-only left and right is risky, given that
the standard AArch64 ABI permits the use of FP/SIMD registers anywhere,
and GCC is known to use SIMD registers for spilling, and may invent
other uses of the FP/SIMD register file that have nothing to do with the
floating point code in question. Note that putting kernel_neon_begin()
and kernel_neon_end() around the code that does use FP is not sufficient
here, the problem is in all the other code that may be emitted with
references to SIMD registers in it.

So the only way to do this properly is to put all floating point code in
a separate compilation unit, and only compile that unit with
-mgeneral-regs-only."

Disable support until the code can be properly refactored to support this
properly on aarch64.

Acked-by: Will Deacon &lt;will@kernel.org&gt;
Reported-by: Ard Biesheuvel &lt;ardb@kernel.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>
From Ard:

"Simply disabling -mgeneral-regs-only left and right is risky, given that
the standard AArch64 ABI permits the use of FP/SIMD registers anywhere,
and GCC is known to use SIMD registers for spilling, and may invent
other uses of the FP/SIMD register file that have nothing to do with the
floating point code in question. Note that putting kernel_neon_begin()
and kernel_neon_end() around the code that does use FP is not sufficient
here, the problem is in all the other code that may be emitted with
references to SIMD registers in it.

So the only way to do this properly is to put all floating point code in
a separate compilation unit, and only compile that unit with
-mgeneral-regs-only."

Disable support until the code can be properly refactored to support this
properly on aarch64.

Acked-by: Will Deacon &lt;will@kernel.org&gt;
Reported-by: Ard Biesheuvel &lt;ardb@kernel.org&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drm/amd/display: update dpp dto phase and modulo.</title>
<updated>2020-11-10T19:25:38+00:00</updated>
<author>
<name>Yongqiang Sun</name>
<email>yongqiang.sun@amd.com</email>
</author>
<published>2020-10-26T16:33:24+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=c07cbc1f04ecba00f99e313de3190db5e7438e81'/>
<id>c07cbc1f04ecba00f99e313de3190db5e7438e81</id>
<content type='text'>
[Why &amp; How]
Program modulo with ref dpp clk Mhz/10.
Program phase with pipe dpp clk Mhz /10.
DMUB FW could use these value to determine optimization clk
for PSR power saving.

Signed-off-by: Yongqiang Sun &lt;yongqiang.sun@amd.com&gt;
Acked-by: Bindu Ramamurthy &lt;bindu.r@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 &amp; How]
Program modulo with ref dpp clk Mhz/10.
Program phase with pipe dpp clk Mhz /10.
DMUB FW could use these value to determine optimization clk
for PSR power saving.

Signed-off-by: Yongqiang Sun &lt;yongqiang.sun@amd.com&gt;
Acked-by: Bindu Ramamurthy &lt;bindu.r@amd.com&gt;
Signed-off-by: Alex Deucher &lt;alexander.deucher@amd.com&gt;
</pre>
</div>
</content>
</entry>
</feed>
