diff options
author | Mark Brown <broonie@kernel.org> | 2024-02-19 16:58:41 +0000 |
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committer | Mark Brown <broonie@kernel.org> | 2024-02-19 16:58:41 +0000 |
commit | d68ce3aa8142333a96a071a9a0207f21c04e54cc (patch) | |
tree | 15754707ec571eb08c8d6308fe2459e46b8a5468 /drivers/gpu/drm/amd/amdgpu/soc15.c | |
parent | ec29a4d9b7c7329afc61e7932cb91e9b292b2b74 (diff) | |
parent | b401b621758e46812da61fa58a67c3fd8d91de0d (diff) |
regulator: Merge up v6.8-rc5
There are dependencies on the PWM fixes for some new work on the PWM
driver.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/soc15.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 15033efec2ba..c64c01e2944a 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -1298,10 +1298,32 @@ static int soc15_common_suspend(void *handle) return soc15_common_hw_fini(adev); } +static bool soc15_need_reset_on_resume(struct amdgpu_device *adev) +{ + u32 sol_reg; + + sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); + + /* Will reset for the following suspend abort cases. + * 1) Only reset limit on APU side, dGPU hasn't checked yet. + * 2) S3 suspend abort and TOS already launched. + */ + if (adev->flags & AMD_IS_APU && adev->in_s3 && + !adev->suspend_complete && + sol_reg) + return true; + + return false; +} + static int soc15_common_resume(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (soc15_need_reset_on_resume(adev)) { + dev_info(adev->dev, "S3 suspend abort case, let's reset ASIC.\n"); + soc15_asic_reset(adev); + } return soc15_common_hw_init(adev); } |