diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2015-11-06 09:29:08 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-01-11 17:52:57 +0300 |
| commit | 5f2323658e4829ffb893553297e64795a90cbcd9 (patch) | |
| tree | 7862a0b646c43f8e525eca9a98e2705bdd0bbb77 /drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | |
| parent | ba228ac8f512c9cd09cb4245c424ab1632da0c24 (diff) | |
| download | linux-5f2323658e4829ffb893553297e64795a90cbcd9.tar.xz | |
drm/amdgpu: add irq domain support
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 <airlied@redhat.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h index 17b01aef4278..e124b59f39c1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h @@ -24,6 +24,7 @@ #ifndef __AMDGPU_IRQ_H__ #define __AMDGPU_IRQ_H__ +#include <linux/irqdomain.h> #include "amdgpu_ih.h" #define AMDGPU_MAX_IRQ_SRC_ID 0x100 @@ -65,6 +66,10 @@ struct amdgpu_irq { /* interrupt ring */ struct amdgpu_ih_ring ih; const struct amdgpu_ih_funcs *ih_funcs; + + /* gen irq stuff */ + struct irq_domain *domain; /* GPU irq controller domain */ + unsigned virq[AMDGPU_MAX_IRQ_SRC_ID]; }; void amdgpu_irq_preinstall(struct drm_device *dev); @@ -90,4 +95,8 @@ int amdgpu_irq_put(struct amdgpu_device *adev, struct amdgpu_irq_src *src, bool amdgpu_irq_enabled(struct amdgpu_device *adev, struct amdgpu_irq_src *src, unsigned type); +int amdgpu_irq_add_domain(struct amdgpu_device *adev); +void amdgpu_irq_remove_domain(struct amdgpu_device *adev); +unsigned amdgpu_irq_create_mapping(struct amdgpu_device *adev, unsigned src_id); + #endif |