From: Lijo Lazar <[email protected]>
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 <[email protected]>
Reviewed-by: Hawking Zhang <[email protected]>
Reviewed-by: Le Ma <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
index 632b77138fe4..62afb282a3ff 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
@@ -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;
--
2.39.2
