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authorEvan Quan <evan.quan@amd.com>2021-12-30 17:53:54 +0800
committerAlex Deucher <alexander.deucher@amd.com>2022-01-07 17:19:46 -0500
commitf38b0d48cae88395a05e49cb885fa6ce657e1cc9 (patch)
tree9b119473eb23b5aa1ea2823bd73a766e9634c910 /drivers/gpu/drm/amd/pm
parent216a9873198bdc5c670a9f71d58fafd30227c9c8 (diff)
drm/amd/pm: keep the BACO feature enabled for suspend
To pair with the workaround which always reset the ASIC in suspend. Otherwise, the reset which relies on BACO will fail. Fixes: daf8de0874ab5b ("drm/amdgpu: always reset the asic in suspend (v2)") Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 76f95e8ada4c..d93d28c1af95 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1405,8 +1405,14 @@ static int smu_disable_dpms(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ /*
+ * TODO: (adev->in_suspend && !adev->in_s0ix) is added to pair
+ * the workaround which always reset the asic in suspend.
+ * It's likely that workaround will be dropped in the future.
+ * Then the change here should be dropped together.
+ */
bool use_baco = !smu->is_apu &&
- ((amdgpu_in_reset(adev) &&
+ (((amdgpu_in_reset(adev) || (adev->in_suspend && !adev->in_s0ix)) &&
(amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));