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drm/amdgpu: Add mask for SDMA instances

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Add a mask of SDMA instances available for use. On certain ASIC configs,
not all SDMA instances are available for software use.

v2:
	Change sdma mask type to uint32_t (Le)

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2022-06-29 16:26:49 +05:30
committed by Alex Deucher
parent 659a4ab8e2
commit 4db6f200a5
1 changed files with 3 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
+3
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@@ -48,6 +48,8 @@ enum amdgpu_sdma_irq {
AMDGPU_SDMA_IRQ_LAST
};
#define NUM_SDMA(x) hweight32(x)
struct amdgpu_sdma_instance {
/* SDMA firmware */
const struct firmware *fw;
@@ -75,6 +77,7 @@ struct amdgpu_sdma {
struct amdgpu_irq_src srbm_write_irq;
int num_instances;
uint32_t sdma_mask;
int num_inst_per_aid;
uint32_t srbm_soft_reset;
bool has_page_queue;