[PATCH] drm/amdgpu: correct rlc save restore list initialization for v2_1

[Huang Rui]

On Wed, Jul 11, 2018 at 04:25:04PM +0800, Evan Quan wrote:
> The save restore list initialization does not have to be pg guarded.
> And for some asic(e.g. Vega12), it does not have cntl/gpm/srm lists.
> 
> Change-Id: I85c0e3525ca7fb385c3d0b9e5abc13708c91e795
> Signed-off-by: Evan Quan <evan.quan at amd.com>

Thanks for your patience. :-)

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

> ---
>  drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 18 ++++++++++++------
>  1 file changed, 12 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> index e4ae92618b62..5e92002e72e2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> @@ -648,7 +648,10 @@ static int gfx_v9_0_init_microcode(struct amdgpu_device *adev)
>  		adev->firmware.fw_size +=
>  			ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
>  
> -		if (adev->gfx.rlc.is_rlc_v2_1) {
> +		if (adev->gfx.rlc.is_rlc_v2_1 &&
> +		    adev->gfx.rlc.save_restore_list_cntl_size_bytes &&
> +		    adev->gfx.rlc.save_restore_list_gpm_size_bytes &&
> +		    adev->gfx.rlc.save_restore_list_srm_size_bytes) {
>  			info = &adev->firmware.ucode[AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL];
>  			info->ucode_id = AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL;
>  			info->fw = adev->gfx.rlc_fw;
> @@ -2184,8 +2187,14 @@ static void gfx_v9_0_init_pg(struct amdgpu_device *adev)
>  {
>  	gfx_v9_0_init_csb(adev);
>  
> -	if (!adev->gfx.rlc.is_rlc_v2_1)
> -		return;
> +	/*
> +	 * Rlc save restore list is workable since v2_1.
> +	 * And it's needed by gfxoff feature.
> +	 */
> +	if (adev->gfx.rlc.is_rlc_v2_1) {
> +		gfx_v9_1_init_rlc_save_restore_list(adev);
> +		gfx_v9_0_enable_save_restore_machine(adev);
> +	}
>  
>  	if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_PG |
>  			      AMD_PG_SUPPORT_GFX_SMG |
> @@ -2193,9 +2202,6 @@ static void gfx_v9_0_init_pg(struct amdgpu_device *adev)
>  			      AMD_PG_SUPPORT_CP |
>  			      AMD_PG_SUPPORT_GDS |
>  			      AMD_PG_SUPPORT_RLC_SMU_HS)) {
> -		gfx_v9_1_init_rlc_save_restore_list(adev);
> -		gfx_v9_0_enable_save_restore_machine(adev);
> -
>  		WREG32(mmRLC_JUMP_TABLE_RESTORE,
>  		       adev->gfx.rlc.cp_table_gpu_addr >> 8);
>  		gfx_v9_0_init_gfx_power_gating(adev);
> -- 
> 2.18.0
> 
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx