diff options
| author | Tim Huang <tim.huang@amd.com> | 2023-01-20 22:27:32 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-01-24 12:27:37 -0500 |
| commit | e11c775030c5585370fda43035204bb5fa23b139 (patch) | |
| tree | 06eb3613a2a044fb62b59257caef64b990d4fa15 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 7eaef1163b820caf202bbb0b1e823806ab836a38 (diff) | |
| download | lwn-e11c775030c5585370fda43035204bb5fa23b139.tar.gz lwn-e11c775030c5585370fda43035204bb5fa23b139.zip | |
drm/amdgpu: skip psp suspend for IMU enabled ASICs mode2 reset
The psp suspend & resume should be skipped to avoid destroy
the TMR and reload FWs again for IMU enabled APU ASICs.
Signed-off-by: Tim Huang <tim.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index cbecc255a90a..036657162cf4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3037,6 +3037,18 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA)) continue; + /* Once swPSP provides the IMU, RLC FW binaries to TOS during cold-boot. + * These are in TMR, hence are expected to be reused by PSP-TOS to reload + * from this location and RLC Autoload automatically also gets loaded + * from here based on PMFW -> PSP message during re-init sequence. + * Therefore, the psp suspend & resume should be skipped to avoid destroy + * the TMR and reload FWs again for IMU enabled APU ASICs. + */ + if (amdgpu_in_reset(adev) && + (adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs && + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) + continue; + /* XXX handle errors */ r = adev->ip_blocks[i].version->funcs->suspend(adev); /* XXX handle errors */ |