From 66f3db4ba62db74d0f6c5a0f872592f1a0ed7670 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 30 Jul 2020 15:21:33 -0400 Subject: drm/amdgpu/smu: rework i2c adpater registration The i2c init/fini functions just register the i2c adapter. There is no need to call them during hw init/fini. They only need to be called once per driver init/fini. The previous behavior broke runtime pm because we unregistered the i2c adapter during suspend. Tested-by: Tom St Denis Reviewed-by: Kevin Wang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 12 ++++++------ drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 14 -------------- drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 14 -------------- drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c | 14 -------------- 4 files changed, 6 insertions(+), 48 deletions(-) (limited to 'drivers/gpu') diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 55463e7a11e2..d03b4852ed5f 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -579,6 +579,10 @@ static int smu_smc_table_sw_init(struct smu_context *smu) if (ret) return ret; + ret = smu_i2c_init(smu, &smu->adev->pm.smu_i2c); + if (ret) + return ret; + return 0; } @@ -586,6 +590,8 @@ static int smu_smc_table_sw_fini(struct smu_context *smu) { int ret; + smu_i2c_fini(smu, &smu->adev->pm.smu_i2c); + ret = smu_free_memory_pool(smu); if (ret) return ret; @@ -845,10 +851,6 @@ static int smu_smc_hw_setup(struct smu_context *smu) return ret; } - ret = smu_i2c_init(smu, &adev->pm.smu_i2c); - if (ret) - return ret; - ret = smu_disable_umc_cdr_12gbps_workaround(smu); if (ret) { dev_err(adev->dev, "Workaround failed to disable UMC CDR feature on 12Gbps SKU!\n"); @@ -1047,8 +1049,6 @@ static int smu_smc_hw_cleanup(struct smu_context *smu) struct amdgpu_device *adev = smu->adev; int ret = 0; - smu_i2c_fini(smu, &adev->pm.smu_i2c); - cancel_work_sync(&smu->throttling_logging_work); ret = smu_disable_thermal_alert(smu); diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index f13979687b9e..0147a5b9b06d 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -2080,22 +2080,11 @@ static const struct i2c_algorithm arcturus_i2c_algo = { .functionality = arcturus_i2c_func, }; -static bool arcturus_i2c_adapter_is_added(struct i2c_adapter *control) -{ - struct amdgpu_device *adev = to_amdgpu_device(control); - - return control->dev.parent == &adev->pdev->dev; -} - static int arcturus_i2c_control_init(struct smu_context *smu, struct i2c_adapter *control) { struct amdgpu_device *adev = to_amdgpu_device(control); int res; - /* smu_i2c_eeprom_init may be called twice in sriov */ - if (arcturus_i2c_adapter_is_added(control)) - return 0; - control->owner = THIS_MODULE; control->class = I2C_CLASS_SPD; control->dev.parent = &adev->pdev->dev; @@ -2111,9 +2100,6 @@ static int arcturus_i2c_control_init(struct smu_context *smu, struct i2c_adapter static void arcturus_i2c_control_fini(struct smu_context *smu, struct i2c_adapter *control) { - if (!arcturus_i2c_adapter_is_added(control)) - return; - i2c_del_adapter(control); } diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 6aaf483858a0..c33bdc6747f2 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -2457,22 +2457,11 @@ static const struct i2c_algorithm navi10_i2c_algo = { .functionality = navi10_i2c_func, }; -static bool navi10_i2c_adapter_is_added(struct i2c_adapter *control) -{ - struct amdgpu_device *adev = to_amdgpu_device(control); - - return control->dev.parent == &adev->pdev->dev; -} - static int navi10_i2c_control_init(struct smu_context *smu, struct i2c_adapter *control) { struct amdgpu_device *adev = to_amdgpu_device(control); int res; - /* smu_i2c_eeprom_init may be called twice in sriov */ - if (navi10_i2c_adapter_is_added(control)) - return 0; - control->owner = THIS_MODULE; control->class = I2C_CLASS_SPD; control->dev.parent = &adev->pdev->dev; @@ -2488,9 +2477,6 @@ static int navi10_i2c_control_init(struct smu_context *smu, struct i2c_adapter * static void navi10_i2c_control_fini(struct smu_context *smu, struct i2c_adapter *control) { - if (!navi10_i2c_adapter_is_added(control)) - return; - i2c_del_adapter(control); } diff --git a/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c index f64a1be94cb8..f373e2d0d31c 100644 --- a/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c @@ -2630,22 +2630,11 @@ static const struct i2c_algorithm sienna_cichlid_i2c_algo = { .functionality = sienna_cichlid_i2c_func, }; -static bool sienna_cichlid_i2c_adapter_is_added(struct i2c_adapter *control) -{ - struct amdgpu_device *adev = to_amdgpu_device(control); - - return control->dev.parent == &adev->pdev->dev; -} - static int sienna_cichlid_i2c_control_init(struct smu_context *smu, struct i2c_adapter *control) { struct amdgpu_device *adev = to_amdgpu_device(control); int res; - /* smu_i2c_eeprom_init may be called twice in sriov */ - if (sienna_cichlid_i2c_adapter_is_added(control)) - return 0; - control->owner = THIS_MODULE; control->class = I2C_CLASS_SPD; control->dev.parent = &adev->pdev->dev; @@ -2661,9 +2650,6 @@ static int sienna_cichlid_i2c_control_init(struct smu_context *smu, struct i2c_a static void sienna_cichlid_i2c_control_fini(struct smu_context *smu, struct i2c_adapter *control) { - if (!sienna_cichlid_i2c_adapter_is_added(control)) - return; - i2c_del_adapter(control); } -- cgit v1.2.3