[PATCH 2/2] drm/amdgpu: move default gart size setting into gmc modules

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The series is Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>


On 2017-08-22 01:09 PM, Alex Deucher wrote:
> Move the asic specific code into the IP modules.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 52 --------------------------------
>  drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h |  1 -
>  drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c    | 19 +++++++++++-
>  drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c    | 22 +++++++++++++-
>  drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c    | 21 ++++++++++++-
>  drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c    | 16 +++++++++-
>  6 files changed, 74 insertions(+), 57 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
> index 2027eb0..f437008 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
> @@ -57,58 +57,6 @@
>   */
>  
>  /**
> - * amdgpu_gart_set_defaults - set the default gart_size
> - *
> - * @adev: amdgpu_device pointer
> - *
> - * Set the default gart_size based on parameters and available VRAM.
> - */
> -void amdgpu_gart_set_defaults(struct amdgpu_device *adev)
> -{
> -	u64 gart_size;
> -
> -	if (amdgpu_gart_size == -1) {
> -		switch (adev->asic_type) {
> -#ifdef CONFIG_DRM_AMDGPU_SI
> -		case CHIP_HAINAN:    /* no MM engines */
> -#endif
> -		case CHIP_TOPAZ:     /* no MM engines */
> -		case CHIP_POLARIS11: /* all engines support GPUVM */
> -		case CHIP_POLARIS10: /* all engines support GPUVM */
> -		case CHIP_POLARIS12: /* all engines support GPUVM */
> -		case CHIP_VEGA10:    /* all engines support GPUVM */
> -		default:
> -			gart_size = 256;
> -			break;
> -#ifdef CONFIG_DRM_AMDGPU_SI
> -		case CHIP_VERDE:    /* UVD, VCE do not support GPUVM */
> -		case CHIP_TAHITI:   /* UVD, VCE do not support GPUVM */
> -		case CHIP_PITCAIRN: /* UVD, VCE do not support GPUVM */
> -		case CHIP_OLAND:    /* UVD, VCE do not support GPUVM */
> -#endif
> -#ifdef CONFIG_DRM_AMDGPU_CIK
> -		case CHIP_BONAIRE: /* UVD, VCE do not support GPUVM */
> -		case CHIP_HAWAII:  /* UVD, VCE do not support GPUVM */
> -		case CHIP_KAVERI:  /* UVD, VCE do not support GPUVM */
> -		case CHIP_KABINI:  /* UVD, VCE do not support GPUVM */
> -		case CHIP_MULLINS: /* UVD, VCE do not support GPUVM */
> -#endif
> -		case CHIP_TONGA:   /* UVD, VCE do not support GPUVM */
> -		case CHIP_FIJI:    /* UVD, VCE do not support GPUVM */
> -		case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */
> -		case CHIP_STONEY:  /* UVD does not support GPUVM, DCE SG support */
> -		case CHIP_RAVEN:   /* DCE SG support */
> -			gart_size = 1024;
> -			break;
> -		}
> -	} else {
> -		gart_size = amdgpu_gart_size;
> -	}
> -
> -	adev->mc.gart_size = gart_size << 20;
> -}
> -
> -/**
>   * amdgpu_gart_table_ram_alloc - allocate system ram for gart page table
>   *
>   * @adev: amdgpu_device pointer
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
> index d4cce69..afbe803 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
> @@ -56,7 +56,6 @@ struct amdgpu_gart {
>  	const struct amdgpu_gart_funcs *gart_funcs;
>  };
>  
> -void amdgpu_gart_set_defaults(struct amdgpu_device *adev);
>  int amdgpu_gart_table_ram_alloc(struct amdgpu_device *adev);
>  void amdgpu_gart_table_ram_free(struct amdgpu_device *adev);
>  int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev);
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
> index 6e68579..58fe8cc 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
> @@ -332,7 +332,24 @@ static int gmc_v6_0_mc_init(struct amdgpu_device *adev)
>  	adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
>  	adev->mc.visible_vram_size = adev->mc.aper_size;
>  
> -	amdgpu_gart_set_defaults(adev);
> +	/* set the gart size */
> +	if (amdgpu_gart_size == -1) {
> +		switch (adev->asic_type) {
> +		case CHIP_HAINAN:    /* no MM engines */
> +		default:
> +			adev->mc.gart_size = 256ULL << 20;
> +			break;
> +		case CHIP_VERDE:    /* UVD, VCE do not support GPUVM */
> +		case CHIP_TAHITI:   /* UVD, VCE do not support GPUVM */
> +		case CHIP_PITCAIRN: /* UVD, VCE do not support GPUVM */
> +		case CHIP_OLAND:    /* UVD, VCE do not support GPUVM */
> +			adev->mc.gart_size = 1024ULL << 20;
> +			break;
> +		}
> +	} else {
> +		adev->mc.gart_size = (u64)amdgpu_gart_size << 20;
> +	}
> +
>  	gmc_v6_0_vram_gtt_location(adev, &adev->mc);
>  
>  	return 0;
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
> index f6acf5a..bcd6c74 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
> @@ -386,7 +386,27 @@ static int gmc_v7_0_mc_init(struct amdgpu_device *adev)
>  	if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
>  		adev->mc.visible_vram_size = adev->mc.real_vram_size;
>  
> -	amdgpu_gart_set_defaults(adev);
> +	/* set the gart size */
> +	if (amdgpu_gart_size == -1) {
> +		switch (adev->asic_type) {
> +		case CHIP_TOPAZ:     /* no MM engines */
> +		default:
> +			adev->mc.gart_size = 256ULL << 20;
> +			break;
> +#ifdef CONFIG_DRM_AMDGPU_CIK
> +		case CHIP_BONAIRE: /* UVD, VCE do not support GPUVM */
> +		case CHIP_HAWAII:  /* UVD, VCE do not support GPUVM */
> +		case CHIP_KAVERI:  /* UVD, VCE do not support GPUVM */
> +		case CHIP_KABINI:  /* UVD, VCE do not support GPUVM */
> +		case CHIP_MULLINS: /* UVD, VCE do not support GPUVM */
> +			adev->mc.gart_size = 1024ULL << 20;
> +			break;
> +#endif
> +		}
> +	} else {
> +		adev->mc.gart_size = (u64)amdgpu_gart_size << 20;
> +	}
> +
>  	gmc_v7_0_vram_gtt_location(adev, &adev->mc);
>  
>  	return 0;
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
> index cb224d5..d320118 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
> @@ -562,7 +562,26 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
>  	if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
>  		adev->mc.visible_vram_size = adev->mc.real_vram_size;
>  
> -	amdgpu_gart_set_defaults(adev);
> +	/* set the gart size */
> +	if (amdgpu_gart_size == -1) {
> +		switch (adev->asic_type) {
> +		case CHIP_POLARIS11: /* all engines support GPUVM */
> +		case CHIP_POLARIS10: /* all engines support GPUVM */
> +		case CHIP_POLARIS12: /* all engines support GPUVM */
> +		default:
> +			adev->mc.gart_size = 256ULL << 20;
> +			break;
> +		case CHIP_TONGA:   /* UVD, VCE do not support GPUVM */
> +		case CHIP_FIJI:    /* UVD, VCE do not support GPUVM */
> +		case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */
> +		case CHIP_STONEY:  /* UVD does not support GPUVM, DCE SG support */
> +			adev->mc.gart_size = 1024ULL << 20;
> +			break;
> +		}
> +	} else {
> +		adev->mc.gart_size = (u64)amdgpu_gart_size << 20;
> +	}
> +
>  	gmc_v8_0_vram_gtt_location(adev, &adev->mc);
>  
>  	return 0;
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> index 2769c2b..d04d0b1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> @@ -499,7 +499,21 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
>  	if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
>  		adev->mc.visible_vram_size = adev->mc.real_vram_size;
>  
> -	amdgpu_gart_set_defaults(adev);
> +	/* set the gart size */
> +	if (amdgpu_gart_size == -1) {
> +		switch (adev->asic_type) {
> +		case CHIP_VEGA10:  /* all engines support GPUVM */
> +		default:
> +			adev->mc.gart_size = 256ULL << 20;
> +			break;
> +		case CHIP_RAVEN:   /* DCE SG support */
> +			adev->mc.gart_size = 1024ULL << 20;
> +			break;
> +		}
> +	} else {
> +		adev->mc.gart_size = (u64)amdgpu_gart_size << 20;
> +	}
> +
>  	gmc_v9_0_vram_gtt_location(adev, &adev->mc);
>  
>  	return 0;



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