kernel.git/drivers/gpu/drm/amd/pm/amdgpu_pm.c, branch linux-6.15.yHosts the 0x221E linux distro kernel.
https://git.0xinfinity.dev/distro/kernel.git/atom?h=linux-6.15.y2025-08-20T16:36:03Zdrm/amd/pm: fix null pointer access2025-08-20T16:36:03ZUmio Yasuno2025-07-15T14:44:35Zurn:sha1:5d8cc029e5595760c7d18c64632e8e40a86a9b2e
[ Upstream commit d524d40e3a6152a3ea1125af729f8cd8ca65efde ]
Writing a string without delimiters (' ', '\n', '\0') to the under
gpu_od/fan_ctrl sysfs or pp_power_profile_mode for the CUSTOM profile
will result in a null pointer dereference.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4401
Signed-off-by: Umio Yasuno <coelacanth_dream@protonmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu: Add amdgpu_sriov_multi_vf_mode function2025-03-14T03:12:52ZEmily Deng2025-02-06T05:09:00Zurn:sha1:8d5e70ba5da21452735474b70322446aeb442c94
Use amdgpu_sriov_multi_vf_mode to replace amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev).
Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu/pm: enable vcn busy sysfs for GC 9.3.02025-03-14T03:12:43ZAlex Deucher2025-03-11T20:34:45Zurn:sha1:15030aeec3934d32622f73909d54944c8cacf227
Make it visible for the all GC 9.3.0 chips that support it.
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu/pm: enable vcn busy sysfs for GC 12.x2025-03-14T03:12:35ZAlex Deucher2025-03-11T19:53:55Zurn:sha1:5b3922222cea2d1e95a72994bd79abd02e0f3f5e
Make it visible for the all GC 12.x chips that support it.
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu/pm: enable vcn busy sysfs for additional GC 11.x2025-03-14T03:12:21ZAlex Deucher2025-03-11T19:37:30Zurn:sha1:18537feb182d8506d4ee2778e11aad7c60e1453f
Make it visible for the all GC 11.x chips that support it.
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: add unique_id for gfx122025-03-14T03:09:49ZHarish Kasiviswanathan2025-03-11T18:15:18Zurn:sha1:16fbc18cb07470cd33fb5f37ad181b51583e6dc0
Expose unique_id for gfx12
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: Remove unnecessary device state checks2025-02-13T02:04:06ZLijo Lazar2025-02-04T06:32:41Zurn:sha1:a53cbd9e6f520a252ecce31f8b555203674a3413
For amdgpu_get_pp_force_state, amdgpu_get_pp_cur_state already takes
care of device state check. In other cases, values are returned from
driver cached variables and are not dependent on device state.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Feifei Xu <feifei.xu@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: Fix get_if_active usage2025-02-13T02:04:06ZLijo Lazar2025-02-04T06:23:26Zurn:sha1:543f6e7163d781eb989db0c32331e5d5ade68fdd
If a device supports runtime pm, then pm_runtime_get_if_active returns 0
if a device is not active and 1 if already active. However, if a device
doesn't support runtime pm, the API returns -EINVAL. A device not
supporting runtime pm implies it's not affected by runtime pm and it's
active. Hence no need to get() to increment usage count. Remove < 0
return value check. Also, ignore runpm state to determine active status.
If the device is already in suspend state, disallow access.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Feifei Xu <feifei.xu@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: Add APIs for device access checks2025-02-13T02:04:06ZLijo Lazar2025-02-04T05:44:21Zurn:sha1:55aa33c3fe38763e4f285d5192fb9892133360a7
Wrap the checks before device access in helper functions and use them
for device access. The generic order of APIs now is to do input argument
validation first and check if device access is allowed.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Feifei Xu <feifei.xu@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: Update pm attr for gc_9_5_02025-02-13T02:02:58ZAsad Kamal2025-01-17T09:08:33Zurn:sha1:c003b5ccaf625c4e8077a0e7a8a1d9e6e403d603
Update power management & clk attributes for gc_v_9_5_0
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>