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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
index 9b9ea6eb49c5..fa20438a7b4f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
@@ -45,4 +45,34 @@ static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
return (u32)((1ULL << bit_width) - 1);
}
+static inline int amdgpu_gfx_queue_to_bit(struct amdgpu_device *adev,
+ int mec, int pipe, int queue)
+{
+ int bit = 0;
+
+ bit += mec * adev->gfx.mec.num_pipe_per_mec
+ * adev->gfx.mec.num_queue_per_pipe;
+ bit += pipe * adev->gfx.mec.num_queue_per_pipe;
+ bit += queue;
+
+ return bit;
+}
+
+static inline void amdgpu_gfx_bit_to_queue(struct amdgpu_device *adev, int bit,
+ int *mec, int *pipe, int *queue)
+{
+ *queue = bit % adev->gfx.mec.num_queue_per_pipe;
+ *pipe = (bit / adev->gfx.mec.num_queue_per_pipe)
+ % adev->gfx.mec.num_pipe_per_mec;
+ *mec = (bit / adev->gfx.mec.num_queue_per_pipe)
+ / adev->gfx.mec.num_pipe_per_mec;
+
+}
+static inline bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev,
+ int mec, int pipe, int queue)
+{
+ return test_bit(amdgpu_gfx_queue_to_bit(adev, mec, pipe, queue),
+ adev->gfx.mec.queue_bitmap);
+}
+
#endif