[PATCH 1/3] drm/amdgpu: Add GFX Fine Grain Clock Gating flag

Huang Rui ray.huang at amd.com
Tue Nov 3 07:04:55 UTC 2020


With Kevin's comments addressed (remove change-id), the series are

Reviewed-by: Huang Rui <ray.huang at amd.com>

On Tue, Nov 03, 2020 at 02:16:19PM +0800, Su, Jinzhou (Joe) wrote:
> Add AMD_CG_SUPPORT_GFX_FGCG for FGCG
> 
> Signed-off-by: Jinzhou.Su <Jinzhou.Su at amd.com>
> Change-Id: I97e10e258e25a60de2604b8a31514421f6819448
> ---
>  drivers/gpu/drm/amd/include/amd_shared.h | 1 +
>  drivers/gpu/drm/amd/pm/amdgpu_pm.c       | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
> index 412602d84f71..9676016a37ce 100644
> --- a/drivers/gpu/drm/amd/include/amd_shared.h
> +++ b/drivers/gpu/drm/amd/include/amd_shared.h
> @@ -144,6 +144,7 @@ enum amd_powergating_state {
>  #define AMD_CG_SUPPORT_ATHUB_LS			(1 << 28)
>  #define AMD_CG_SUPPORT_ATHUB_MGCG		(1 << 29)
>  #define AMD_CG_SUPPORT_JPEG_MGCG		(1 << 30)
> +#define AMD_CG_SUPPORT_GFX_FGCG			(1 << 31)
>  /* PG flags */
>  #define AMD_PG_SUPPORT_GFX_PG			(1 << 0)
>  #define AMD_PG_SUPPORT_GFX_SMG			(1 << 1)
> diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> index 080af05724ed..e57153d1fa24 100644
> --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> @@ -39,6 +39,7 @@
>  #include "hwmgr.h"
>  
>  static const struct cg_flag_name clocks[] = {
> +	{AMD_CG_SUPPORT_GFX_FGCG, "Graphics Fine Grain Clock Gating"},
>  	{AMD_CG_SUPPORT_GFX_MGCG, "Graphics Medium Grain Clock Gating"},
>  	{AMD_CG_SUPPORT_GFX_MGLS, "Graphics Medium Grain memory Light Sleep"},
>  	{AMD_CG_SUPPORT_GFX_CGCG, "Graphics Coarse Grain Clock Gating"},
> -- 
> 2.17.1
> 


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