PMFW will handle that properly for gpu reset case. Driver involvement may cause some unexpected issues.
Signed-off-by: Tim Huang tim.huang@amd.com --- drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index ec52830dde24..8bae3fe869cd 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -1497,6 +1497,20 @@ static int smu_disable_dpms(struct smu_context *smu) } }
+ /* + * For SMU 13.0.4/11, PMFW will handle the features disablement properly + * for gpu reset case. Driver involvement is unnecessary. + */ + if (amdgpu_in_reset(adev)) { + switch (adev->ip_versions[MP1_HWIP][0]) { + case IP_VERSION(13, 0, 4): + case IP_VERSION(13, 0, 11): + return 0; + default: + break; + } + } + /* * For gpu reset, runpm and hibernation through BACO, * BACO feature has to be kept enabled.
On Sat, Jan 21, 2023 at 10:49:55AM +0800, Tim Huang wrote:
PMFW will handle that properly for gpu reset case. Driver involvement may cause some unexpected issues.
Signed-off-by: Tim Huang tim.huang@amd.com
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
<formletter>
This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly.
</formletter>
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