From 5f2323658e4829ffb893553297e64795a90cbcd9 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 6 Nov 2015 01:29:08 -0500 Subject: drm/amdgpu: add irq domain support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hardware blocks on the GPU like ACP generate interrupts in the GPU interrupt controller, but are driven by a separate driver. Add an irq domain to the GPU driver so that blocks like ACP can register a Linux interrupt. Acked-by: Dave Airlie Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/cz_ih.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/cz_ih.c') diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c b/drivers/gpu/drm/amd/amdgpu/cz_ih.c index bc751bfbcae2..c79638f8e732 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c @@ -253,8 +253,14 @@ static void cz_ih_set_rptr(struct amdgpu_device *adev) static int cz_ih_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int ret; + + ret = amdgpu_irq_add_domain(adev); + if (ret) + return ret; cz_ih_set_interrupt_funcs(adev); + return 0; } @@ -278,6 +284,7 @@ static int cz_ih_sw_fini(void *handle) amdgpu_irq_fini(adev); amdgpu_ih_ring_fini(adev); + amdgpu_irq_remove_domain(adev); return 0; } -- cgit v1.2.1