drm/amdgpu: rework sdma structures
Rework the sdma structures in the driver to
consolidate all of the sdma info into a single
structure and allow for asics that may have
different numbers of sdma instances.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 6647fb2..afc9848 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1708,7 +1708,7 @@
/*
* SDMA
*/
-struct amdgpu_sdma {
+struct amdgpu_sdma_instance {
/* SDMA firmware */
const struct firmware *fw;
uint32_t fw_version;
@@ -1718,6 +1718,13 @@
bool burst_nop;
};
+struct amdgpu_sdma {
+ struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
+ struct amdgpu_irq_src trap_irq;
+ struct amdgpu_irq_src illegal_inst_irq;
+ int num_instances;
+};
+
/*
* Firmware
*/
@@ -2064,9 +2071,7 @@
struct amdgpu_gfx gfx;
/* sdma */
- struct amdgpu_sdma sdma[AMDGPU_MAX_SDMA_INSTANCES];
- struct amdgpu_irq_src sdma_trap_irq;
- struct amdgpu_irq_src sdma_illegal_inst_irq;
+ struct amdgpu_sdma sdma;
/* uvd */
bool has_uvd;
@@ -2203,17 +2208,18 @@
ring->ring_free_dw--;
}
-static inline struct amdgpu_sdma * amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
+static inline struct amdgpu_sdma_instance *
+amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
int i;
- for (i = 0; i < AMDGPU_MAX_SDMA_INSTANCES; i++)
- if (&adev->sdma[i].ring == ring)
+ for (i = 0; i < adev->sdma.num_instances; i++)
+ if (&adev->sdma.instance[i].ring == ring)
break;
if (i < AMDGPU_MAX_SDMA_INSTANCES)
- return &adev->sdma[i];
+ return &adev->sdma.instance[i];
else
return NULL;
}