[PATCH] drm/amd/pm: add smu fw version check for ECC table support

[Alex Deucher]

On Tue, Dec 14, 2021 at 5:53 AM Yang Wang <KevinYang.Wang at amd.com> wrote:
>
> the smu firmware has been remove ECC TABLE support from 68.46.0.
>
> Signed-off-by: Yang Wang <KevinYang.Wang at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h            | 2 ++
>  drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 8 +-------
>  2 files changed, 3 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
> index 2b9b9a7ba97a..78ce451d0b37 100644
> --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
> +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
> @@ -79,6 +79,8 @@
>  #define SMU_THROTTLER_PPM_BIT                  56
>  #define SMU_THROTTLER_FIT_BIT                  57
>
> +#define SMU_FW_VERSION(maj, min, rev)  ((maj & 0xffff) << 16 | (min & 0xff) << 8 | (rev & 0xff))
> +
>  struct smu_hw_power_state {
>         unsigned int magic;
>  };
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
> index 0907da022197..7f8f00a19836 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
> @@ -78,12 +78,6 @@
>
>  #define smnPCIE_ESM_CTRL                       0x111003D0
>
> -/*
> - * SMU support ECCTABLE since version 68.42.0,
> - * use this to check ECCTALE feature whether support
> - */
> -#define SUPPORT_ECCTABLE_SMU_VERSION 0x00442a00
> -
>  static const struct smu_temperature_range smu13_thermal_policy[] =
>  {
>         {-273150,  99000, 99000, -273150, 99000, 99000, -273150, 99000, 99000},
> @@ -1780,7 +1774,7 @@ static int aldebaran_check_ecc_table_support(struct smu_context *smu)
>                 ret = -EOPNOTSUPP;
>         }
>
> -       if (smu_version < SUPPORT_ECCTABLE_SMU_VERSION)
> +       if (smu_version < SMU_FW_VERSION(68, 42, 0) || smu_version >= SMU_FW_VERSION(68, 46, 0))
>                 ret = -EOPNOTSUPP;
>
>         return ret;
> --
> 2.25.1
>