[PATCH 046/100] drm/amdgpu: Add GMC 9.0 support

[Dave Airlie]

> +};
> +
> +static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
> +                                       struct amdgpu_irq_src *src,
> +                                       unsigned type,
> +                                       enum amdgpu_interrupt_state state)
> +{
> +       struct amdgpu_vmhub *hub;
> +       u32 tmp, reg, bits, i;
> +
> +       switch (state) {
> +       case AMDGPU_IRQ_STATE_DISABLE:
> +               /* MM HUB */
> +               hub = &adev->vmhub[AMDGPU_MMHUB];
> +               bits = hub->get_vm_protection_bits();
> +               for (i = 0; i< 16; i++) {
> +                       reg = hub->vm_context0_cntl + i;
> +                       tmp = RREG32(reg);
> +                       tmp &= ~bits;
> +                       WREG32(reg, tmp);
> +               }
> +
> +               /* GFX HUB */
> +               hub = &adev->vmhub[AMDGPU_GFXHUB];
> +               bits = hub->get_vm_protection_bits();
> +               for (i = 0; i < 16; i++) {
> +                       reg = hub->vm_context0_cntl + i;
> +                       tmp = RREG32(reg);
> +                       tmp &= ~bits;
> +                       WREG32(reg, tmp);
> +               }
> +               break;
> +       case AMDGPU_IRQ_STATE_ENABLE:
> +               /* MM HUB */
> +               hub = &adev->vmhub[AMDGPU_MMHUB];
> +               bits = hub->get_vm_protection_bits();
> +               for (i = 0; i< 16; i++) {
> +                       reg = hub->vm_context0_cntl + i;
> +                       tmp = RREG32(reg);
> +                       tmp |= bits;
> +                       WREG32(reg, tmp);
> +               }
> +
> +               /* GFX HUB */
> +               hub = &adev->vmhub[AMDGPU_GFXHUB];
> +               bits = hub->get_vm_protection_bits();
> +               for (i = 0; i < 16; i++) {
> +                       reg = hub->vm_context0_cntl + i;
> +                       tmp = RREG32(reg);
> +                       tmp |= bits;
> +                       WREG32(reg, tmp);
> +               }
> +               break;
> +       default:
> +               break;
> +       }
> +
> +       return 0;
> +       return 0;
> +}
> +

Probably only need one :-)

Dave.