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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2017-08-26 02:40:45 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 13:07:04 -0400 |
| commit | 00ecd8a27c03b6dd463ab8755dd6d58751d76297 (patch) | |
| tree | a6f5728fd232ff6b31c967206a8e8e3f26d0bcad /drivers/gpu/drm/amd/amdgpu/tonga_ih.c | |
| parent | d2791c45636927986f732482cbba4ed7c758a115 (diff) | |
| download | lwn-00ecd8a27c03b6dd463ab8755dd6d58751d76297.tar.gz lwn-00ecd8a27c03b6dd463ab8755dd6d58751d76297.zip | |
drm/amdgpu: Add prescreening stage in IH processing (v2)
To filter out high-frequency interrupts that can be safely ignored.
v2: squash in trivial typo fix for si (Alex)
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/tonga_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/tonga_ih.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c index 923df2c0e535..5ed00692618e 100644 --- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c @@ -219,6 +219,19 @@ static u32 tonga_ih_get_wptr(struct amdgpu_device *adev) } /** + * tonga_ih_prescreen_iv - prescreen an interrupt vector + * + * @adev: amdgpu_device pointer + * + * Returns true if the interrupt vector should be further processed. + */ +static bool tonga_ih_prescreen_iv(struct amdgpu_device *adev) +{ + /* Process all interrupts */ + return true; +} + +/** * tonga_ih_decode_iv - decode an interrupt vector * * @adev: amdgpu_device pointer @@ -478,6 +491,7 @@ static const struct amd_ip_funcs tonga_ih_ip_funcs = { static const struct amdgpu_ih_funcs tonga_ih_funcs = { .get_wptr = tonga_ih_get_wptr, + .prescreen_iv = tonga_ih_prescreen_iv, .decode_iv = tonga_ih_decode_iv, .set_rptr = tonga_ih_set_rptr }; |