[V2 08/11] drm/amdgpu/vi: add support virtualization

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Xiangliang Yu
> Sent: Tuesday, January 10, 2017 5:01 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Yu, Xiangliang
> Subject: [V2 08/11] drm/amdgpu/vi: add support virtualization
> 
> Call VI virtualization functions if device is Vf.
> 
> Signed-off-by: Xiangliang Yu <Xiangliang.Yu at amd.com>

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

> ---
>  drivers/gpu/drm/amd/amdgpu/vi.c | 34
> ++++++++++++++++++++++++++++++++--
>  1 file changed, 32 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c
> b/drivers/gpu/drm/amd/amdgpu/vi.c
> index dc0d4fa..34aa603 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vi.c
> @@ -77,6 +77,7 @@
>  #include "amdgpu_dm.h"
>  #include "amdgpu_powerplay.h"
>  #include "dce_virtual.h"
> +#include "mxgpu_vi.h"
> 
>  /*
>   * Indirect registers accessor
> @@ -273,6 +274,12 @@ static void vi_init_golden_registers(struct
> amdgpu_device *adev)
>  	/* Some of the registers might be dependent on GRBM_GFX_INDEX
> */
>  	mutex_lock(&adev->grbm_idx_mutex);
> 
> +	if (amdgpu_sriov_vf(adev)) {
> +		xgpu_vi_init_golden_registers(adev);
> +		mutex_unlock(&adev->grbm_idx_mutex);
> +		return;
> +	}
> +
>  	switch (adev->asic_type) {
>  	case CHIP_TOPAZ:
>  		amdgpu_program_register_sequence(adev,
> @@ -892,8 +899,10 @@ static int vi_common_early_init(void *handle)
>  		(amdgpu_ip_block_mask & (1 <<
> AMD_IP_BLOCK_TYPE_SMC)))
>  		smc_enabled = true;
> 
> -	if (amdgpu_sriov_vf(adev))
> +	if (amdgpu_sriov_vf(adev)) {
>  		amdgpu_virt_init_setting(adev);
> +		xgpu_vi_mailbox_set_irq_funcs(adev);
> +	}
> 
>  	adev->rev_id = vi_get_rev_id(adev);
>  	adev->external_rev_id = 0xFF;
> @@ -1059,8 +1068,23 @@ static int vi_common_early_init(void *handle)
>  	return 0;
>  }
> 
> +static int vi_common_late_init(void *handle)
> +{
> +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> +
> +	if (amdgpu_sriov_vf(adev))
> +		xgpu_vi_mailbox_get_irq(adev);
> +
> +	return 0;
> +}
> +
>  static int vi_common_sw_init(void *handle)
>  {
> +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> +
> +	if (amdgpu_sriov_vf(adev))
> +		xgpu_vi_mailbox_add_irq_id(adev);
> +
>  	return 0;
>  }
> 
> @@ -1092,6 +1116,9 @@ static int vi_common_hw_fini(void *handle)
>  	/* enable the doorbell aperture */
>  	vi_enable_doorbell_aperture(adev, false);
> 
> +	if (amdgpu_sriov_vf(adev))
> +		xgpu_vi_mailbox_put_irq(adev);
> +
>  	return 0;
>  }
> 
> @@ -1376,7 +1403,7 @@ static int vi_common_set_powergating_state(void
> *handle,
>  static const struct amd_ip_funcs vi_common_ip_funcs = {
>  	.name = "vi_common",
>  	.early_init = vi_common_early_init,
> -	.late_init = NULL,
> +	.late_init = vi_common_late_init,
>  	.sw_init = vi_common_sw_init,
>  	.sw_fini = vi_common_sw_fini,
>  	.hw_init = vi_common_hw_init,
> @@ -1404,6 +1431,9 @@ int vi_set_ip_blocks(struct amdgpu_device *adev)
>  	/* in early init stage, vbios code won't work */
>  	vi_detect_hw_virtualization(adev);
> 
> +	if (amdgpu_sriov_vf(adev))
> +		adev->virt.ops = &xgpu_vi_virt_ops;
> +
>  	switch (adev->asic_type) {
>  	case CHIP_TOPAZ:
>  		/* topaz has no DCE, UVD, VCE */
> --
> 2.7.4
> 
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