RE: [PATCH] drm/amd/powerplay: apply Vega20 BACO workaround

2019-03-06 Thread Quan, Evan
Not now. There is still some issue to work out. I just added you to that thread.

Regards,
Evan
> -Original Message-
> From: Alex Deucher 
> Sent: Thursday, March 07, 2019 10:46 AM
> To: Quan, Evan 
> Cc: amd-gfx list ; Xu, Feifei
> ; Zhang, Hawking 
> Subject: Re: [PATCH] drm/amd/powerplay: apply Vega20 BACO workaround
> 
> On Wed, Mar 6, 2019 at 9:38 PM Evan Quan  wrote:
> >
> > Applied vdci flush workaround for Vega20 BACO.
> >
> > Change-Id: Ia132ae30f826643bfba980402a92fbd0ae7a4236
> > Signed-off-by: Evan Quan 
> 
> Acked-by: Alex Deucher 
> 
> Can we re-enable BACO with this fix?
> 
> Alex
> 
> > ---
> >  drivers/gpu/drm/amd/amdgpu/amdgpu.h   |  1 +
> >  drivers/gpu/drm/amd/amdgpu/soc15.c|  2 ++
> >  .../gpu/drm/amd/powerplay/hwmgr/vega20_baco.c | 12 +++
> > .../gpu/drm/amd/powerplay/hwmgr/vega20_baco.h |  1 +
> >  .../drm/amd/powerplay/hwmgr/vega20_hwmgr.c| 11 +-
> >  .../gpu/drm/amd/powerplay/inc/vega20_ppsmc.h  |  3 ++-
> > .../drm/amd/powerplay/smumgr/vega20_smumgr.c  | 20
> +++
> > .../drm/amd/powerplay/smumgr/vega20_smumgr.h  |  1 +
> >  8 files changed, 49 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> > b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> > index 876486595d89..fe0f5653805b 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> > @@ -981,6 +981,7 @@ struct amdgpu_device {
> >
> > int asic_reset_res;
> > struct work_struct  xgmi_reset_work;
> > +   boolin_baco_reset;
> >  };
> >
> >  static inline struct amdgpu_device *amdgpu_ttm_adev(struct
> > ttm_bo_device *bdev) diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c
> > b/drivers/gpu/drm/amd/amdgpu/soc15.c
> > index cc80f050cbf6..75a408a216b9 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/soc15.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
> > @@ -452,6 +452,8 @@ static int soc15_asic_baco_reset(struct
> > amdgpu_device *adev)
> >
> > dev_info(adev->dev, "GPU BACO reset\n");
> >
> > +   adev->in_baco_reset = 1;
> > +
> > return 0;
> >  }
> >
> > diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c
> > b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c
> > index 5e8602a79b1c..df6ff9252401 100644
> > --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c
> > +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c
> > @@ -27,6 +27,7 @@
> >  #include "vega20_inc.h"
> >  #include "vega20_ppsmc.h"
> >  #include "vega20_baco.h"
> > +#include "vega20_smumgr.h"
> >
> >
> >
> > @@ -101,3 +102,14 @@ int vega20_baco_set_state(struct pp_hwmgr
> *hwmgr,
> > enum BACO_STATE state)
> >
> > return 0;
> >  }
> > +
> > +int vega20_baco_apply_vdci_flush_workaround(struct pp_hwmgr
> *hwmgr) {
> > +   int ret = 0;
> > +
> > +   ret = vega20_set_pptable_driver_address(hwmgr);
> > +   if (ret)
> > +   return ret;
> > +
> > +   return smum_send_msg_to_smc(hwmgr,
> > +PPSMC_MSG_BacoWorkAroundFlushVDCI);
> > +}
> > diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h
> > b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h
> > index 51c7f8392925..f06471e712dc 100644
> > --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h
> > +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h
> > @@ -28,5 +28,6 @@
> >  extern int vega20_baco_get_capability(struct pp_hwmgr *hwmgr, bool
> > *cap);  extern int vega20_baco_get_state(struct pp_hwmgr *hwmgr,
> enum
> > BACO_STATE *state);  extern int vega20_baco_set_state(struct pp_hwmgr
> > *hwmgr, enum BACO_STATE state);
> > +extern int vega20_baco_apply_vdci_flush_workaround(struct pp_hwmgr
> > +*hwmgr);
> >
> >  #endif
> > diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> > b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> > index 9aa7bec1b5fe..664544e7fcdc 100644
> > --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> > +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> > @@ -443,6 +443,7 @@ static int vega20_init_sclk_threshold(struct
> > pp_hwmgr *hwmgr)
> >
> >  static int vega20_setup_asic_task(struct pp_hwmgr *hwmgr)  {
> > +   struct amdgpu_device *adev = (struct amdgpu_device
> > + *)(hwmgr->adev);
> >

Re: [PATCH] drm/amd/powerplay: apply Vega20 BACO workaround

2019-03-06 Thread Alex Deucher
On Wed, Mar 6, 2019 at 9:38 PM Evan Quan  wrote:
>
> Applied vdci flush workaround for Vega20 BACO.
>
> Change-Id: Ia132ae30f826643bfba980402a92fbd0ae7a4236
> Signed-off-by: Evan Quan 

Acked-by: Alex Deucher 

Can we re-enable BACO with this fix?

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu.h   |  1 +
>  drivers/gpu/drm/amd/amdgpu/soc15.c|  2 ++
>  .../gpu/drm/amd/powerplay/hwmgr/vega20_baco.c | 12 +++
>  .../gpu/drm/amd/powerplay/hwmgr/vega20_baco.h |  1 +
>  .../drm/amd/powerplay/hwmgr/vega20_hwmgr.c| 11 +-
>  .../gpu/drm/amd/powerplay/inc/vega20_ppsmc.h  |  3 ++-
>  .../drm/amd/powerplay/smumgr/vega20_smumgr.c  | 20 +++
>  .../drm/amd/powerplay/smumgr/vega20_smumgr.h  |  1 +
>  8 files changed, 49 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 876486595d89..fe0f5653805b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -981,6 +981,7 @@ struct amdgpu_device {
>
> int asic_reset_res;
> struct work_struct  xgmi_reset_work;
> +   boolin_baco_reset;
>  };
>
>  static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device 
> *bdev)
> diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c 
> b/drivers/gpu/drm/amd/amdgpu/soc15.c
> index cc80f050cbf6..75a408a216b9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/soc15.c
> +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
> @@ -452,6 +452,8 @@ static int soc15_asic_baco_reset(struct amdgpu_device 
> *adev)
>
> dev_info(adev->dev, "GPU BACO reset\n");
>
> +   adev->in_baco_reset = 1;
> +
> return 0;
>  }
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c 
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c
> index 5e8602a79b1c..df6ff9252401 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c
> @@ -27,6 +27,7 @@
>  #include "vega20_inc.h"
>  #include "vega20_ppsmc.h"
>  #include "vega20_baco.h"
> +#include "vega20_smumgr.h"
>
>
>
> @@ -101,3 +102,14 @@ int vega20_baco_set_state(struct pp_hwmgr *hwmgr, enum 
> BACO_STATE state)
>
> return 0;
>  }
> +
> +int vega20_baco_apply_vdci_flush_workaround(struct pp_hwmgr *hwmgr)
> +{
> +   int ret = 0;
> +
> +   ret = vega20_set_pptable_driver_address(hwmgr);
> +   if (ret)
> +   return ret;
> +
> +   return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_BacoWorkAroundFlushVDCI);
> +}
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h 
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h
> index 51c7f8392925..f06471e712dc 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h
> @@ -28,5 +28,6 @@
>  extern int vega20_baco_get_capability(struct pp_hwmgr *hwmgr, bool *cap);
>  extern int vega20_baco_get_state(struct pp_hwmgr *hwmgr, enum BACO_STATE 
> *state);
>  extern int vega20_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE 
> state);
> +extern int vega20_baco_apply_vdci_flush_workaround(struct pp_hwmgr *hwmgr);
>
>  #endif
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c 
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> index 9aa7bec1b5fe..664544e7fcdc 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> @@ -443,6 +443,7 @@ static int vega20_init_sclk_threshold(struct pp_hwmgr 
> *hwmgr)
>
>  static int vega20_setup_asic_task(struct pp_hwmgr *hwmgr)
>  {
> +   struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
> int ret = 0;
>
> ret = vega20_init_sclk_threshold(hwmgr);
> @@ -450,7 +451,15 @@ static int vega20_setup_asic_task(struct pp_hwmgr *hwmgr)
> "Failed to init sclk threshold!",
> return ret);
>
> -   return 0;
> +   if (adev->in_baco_reset) {
> +   adev->in_baco_reset = 0;
> +
> +   ret = vega20_baco_apply_vdci_flush_workaround(hwmgr);
> +   if (ret)
> +   pr_err("Failed to apply vega20 baco workaround!\n");
> +   }
> +
> +   return ret;
>  }
>
>  /*
> diff --git a/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h 
> b/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h
> index 4f63a736ea0e..a0883038f3c3 100644
> --- a/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h
> +++ b/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h
> @@ -119,7 +119,8 @@
>  #define PPSMC_MSG_PrepareMp1ForShutdown  0x5A
>  #define PPSMC_MSG_SetMGpuFanBoostLimitRpm0x5D
>  #define PPSMC_MSG_GetAVFSVoltageByDpm0x5F
> -#define PPSMC_Message_Count  0x60
> +#define PPSMC_MSG_BacoWorkAroundFlushVDCI0x60
> +#define PPSMC_Message_Count  0x61
>
>  typedef uint32_t PPSMC_