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drm/amdgpu: add vcn irq functions 

Signed-off-by: Leo Liu <leo.liu@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Leo Liu 2016-12-28 13:22:18 -05:00 committed by Alex Deucher
parent cca69fe8ff
commit a319f444bb
1 changed files with 32 additions and 0 deletions
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32
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
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@ -38,6 +38,7 @@
static int vcn_v1_0_start(struct amdgpu_device *adev);
static int vcn_v1_0_stop(struct amdgpu_device *adev);
static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev);
static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev);
/**
* vcn_v1_0_early_init - set function pointers
@ -51,6 +52,7 @@ static int vcn_v1_0_early_init(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
vcn_v1_0_set_dec_ring_funcs(adev);
vcn_v1_0_set_irq_funcs(adev);
return 0;
}
@ -674,6 +676,25 @@ static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
vcn_v1_0_dec_vm_reg_wait(ring, data0, data1, mask);
}
static int vcn_v1_0_set_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
unsigned type,
enum amdgpu_interrupt_state state)
{
return 0;
}
static int vcn_v1_0_process_interrupt(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
DRM_DEBUG("IH: VCN TRAP\n");
amdgpu_fence_process(&adev->vcn.ring_dec);
return 0;
}
static const struct amd_ip_funcs vcn_v1_0_ip_funcs = {
.name = "vcn_v1_0",
.early_init = vcn_v1_0_early_init,
@ -724,3 +745,14 @@ static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev)
adev->vcn.ring_dec.funcs = &vcn_v1_0_dec_ring_vm_funcs;
DRM_INFO("VCN decode is enabled in VM mode\n");
}
static const struct amdgpu_irq_src_funcs vcn_v1_0_irq_funcs = {
.set = vcn_v1_0_set_interrupt_state,
.process = vcn_v1_0_process_interrupt,
};
static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->vcn.irq.num_types = 1;
adev->vcn.irq.funcs = &vcn_v1_0_irq_funcs;
}