linux-stable.git/drivers/gpu/drm/amd/pm, branch v6.15 Linux kernel stable tree drm/amd/pm/smu11: Prevent division by zero 2025-04-09T14:53:11+00:00 Denis Arefev arefev@swemel.ru 2025-03-20T09:35:02+00:00 7ba88b5cccc1a99c1afb96e31e7eedac9907704c The user can set any speed value. If speed is greater than UINT_MAX/8, division by zero is possible. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 1e866f1fe528 ("drm/amd/pm: Prevent divide by zero") Signed-off-by: Denis Arefev <arefev@swemel.ru> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit da7dc714a8f8e1c9fc33c57cd63583779a3bef71) Cc: stable@vger.kernel.org 
The user can set any speed value.
If speed is greater than UINT_MAX/8, division by zero is possible.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 1e866f1fe528 ("drm/amd/pm: Prevent divide by zero")
Signed-off-by: Denis Arefev <arefev@swemel.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit da7dc714a8f8e1c9fc33c57cd63583779a3bef71)
Cc: stable@vger.kernel.org
drm/amdgpu/pm/swsmu: implement pause workload profile 2025-04-09T14:53:11+00:00 Alex Deucher alexander.deucher@amd.com 2025-03-26T14:54:56+00:00 c81a3ceedb1c2ee623bf594594fa3a228ac04a8c Add the callback for implementation for swsmu. Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 92e511d1cecc6a8fa7bdfc8657f16ece9ab4d456) 
Add the callback for implementation for swsmu.

Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 92e511d1cecc6a8fa7bdfc8657f16ece9ab4d456)
drm/amdgpu/pm: add workload profile pause helper 2025-04-09T14:53:11+00:00 Alex Deucher alexander.deucher@amd.com 2025-03-26T14:26:25+00:00 7f991dd3641ef52e0a25b43f27cc61440c4bdcb4 To be used for display idle optimizations when we want to pause non-default profiles. Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 6dafb5d4c7cdfc8f994e789d050e29e0d5ca6efd) 
To be used for display idle optimizations when
we want to pause non-default profiles.

Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 6dafb5d4c7cdfc8f994e789d050e29e0d5ca6efd)
drm/amd/pm: Add gpu_metrics_v1_8 2025-03-26T21:47:09+00:00 Asad Kamal asad.kamal@amd.com 2025-03-12T06:07:49+00:00 eddff9a58f187c72fce5493e1ed8b52c5b24e5e6 Add new gpu_metrics_v1_8 to acquire below host limit counters Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Add new gpu_metrics_v1_8 to acquire below host limit counters

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: Update smu metrics table for smu_v13_0_6 2025-03-26T21:46:29+00:00 Asad Kamal asad.kamal@amd.com 2025-03-17T06:17:51+00:00 942de4ea6921a1d5adc4b92eb044647c7bcf314c Update smu metrics table to vesrion 0x10 for smu_v13_0_6 v2: Host metrics support removal moved to separate patch (Lijo) Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Update smu metrics table to vesrion 0x10 for smu_v13_0_6

v2: Host metrics support removal moved to separate patch (Lijo)

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: Remove host limit metrics support 2025-03-26T21:46:24+00:00 Asad Kamal asad.kamal@amd.com 2025-03-17T06:16:04+00:00 1eef87883c18fde23b6d45aed7ed111e13b786ce Firmware algorithm changed and the values in this version are not accurate thereby remove host limit metric support for smu_v13_0_6, smu_v13_0_12 & smu_v13_0_14 Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Firmware algorithm changed and the values in this version
are not accurate thereby remove host limit metric support
for smu_v13_0_6, smu_v13_0_12 & smu_v13_0_14

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: Add zero RPM enabled OD setting support for SMU14.0.2 2025-03-26T21:41:49+00:00 Tomasz Pakuła tomasz.pakula.oficjalny@gmail.com 2025-03-25T10:26:52+00:00 b03f1810db7bf609a64b90704f11da46e3baa050 Hook up zero RPM enable for 9070 and 9070 XT based on RDNA3 (smu 13.0.0 and 13.0.7) code. Tested on 9070 XT Hellhound Signed-off-by: Tomasz Pakuła <tomasz.pakula.oficjalny@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org # 6.12.x Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Hook up zero RPM enable for 9070 and 9070 XT based on RDNA3
(smu 13.0.0 and 13.0.7) code.

Tested on 9070 XT Hellhound

Signed-off-by: Tomasz Pakuła <tomasz.pakula.oficjalny@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.12.x
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: Prevent division by zero 2025-03-26T21:41:43+00:00 Denis Arefev arefev@swemel.ru 2025-03-21T11:08:16+00:00 7c246a05df51c52fe0852ce56ba10c41e6ed1f39 The user can set any speed value. If speed is greater than UINT_MAX/8, division by zero is possible. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: c52dcf49195d ("drm/amd/pp: Avoid divide-by-zero in fan_ctrl_set_fan_speed_rpm") Signed-off-by: Denis Arefev <arefev@swemel.ru> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org 
The user can set any speed value.
If speed is greater than UINT_MAX/8, division by zero is possible.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: c52dcf49195d ("drm/amd/pp: Avoid divide-by-zero in fan_ctrl_set_fan_speed_rpm")
Signed-off-by: Denis Arefev <arefev@swemel.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drm/amd/pm: Prevent division by zero 2025-03-26T21:41:37+00:00 Denis Arefev arefev@swemel.ru 2025-03-21T11:08:15+00:00 4b8c3c0d17c07f301011e2908fecd2ebdcfe3d1c The user can set any speed value. If speed is greater than UINT_MAX/8, division by zero is possible. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: c52dcf49195d ("drm/amd/pp: Avoid divide-by-zero in fan_ctrl_set_fan_speed_rpm") Signed-off-by: Denis Arefev <arefev@swemel.ru> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org 
The user can set any speed value.
If speed is greater than UINT_MAX/8, division by zero is possible.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: c52dcf49195d ("drm/amd/pp: Avoid divide-by-zero in fan_ctrl_set_fan_speed_rpm")
Signed-off-by: Denis Arefev <arefev@swemel.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drm/amd/pm: Prevent division by zero 2025-03-26T21:41:31+00:00 Denis Arefev arefev@swemel.ru 2025-03-21T10:52:33+00:00 4e3d9508c056d7e0a56b58d5c81253e2a0d22b6c The user can set any speed value. If speed is greater than UINT_MAX/8, division by zero is possible. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 031db09017da ("drm/amd/powerplay/vega20: enable fan RPM and pwm settings V2") Signed-off-by: Denis Arefev <arefev@swemel.ru> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org 
The user can set any speed value.
If speed is greater than UINT_MAX/8, division by zero is possible.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 031db09017da ("drm/amd/powerplay/vega20: enable fan RPM and pwm settings V2")
Signed-off-by: Denis Arefev <arefev@swemel.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org