Added firmware share memory support for VCN. Current multiple
queue mode is enabled only.
Signed-off-by: James Zhu <James.Zhu@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 13 +++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 24 ++++++++++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 7a0b074..328b6ce 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -182,6 +182,14 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
return r;
}
}
+
+ r = amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)),
+ PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].fw_shared_bo,
+ &adev->vcn.inst[i].fw_shared_gpu_addr, &adev->vcn.inst[i].fw_shared_cpu_addr);
+ if (r) {
+ dev_err(adev->dev, "VCN %d (%d) failed to allocate fimware shared bo\n", i, r);
+ return r;
+ }
}
return 0;
@@ -196,6 +204,11 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
if (adev->vcn.harvest_config & (1 << j))
continue;
+
+ amdgpu_bo_free_kernel(&adev->vcn.inst[j].fw_shared_bo,
+ &adev->vcn.inst[j].fw_shared_gpu_addr,
+ (void **)&adev->vcn.inst[j].fw_shared_cpu_addr);
+
if (adev->vcn.indirect_sram) {
amdgpu_bo_free_kernel(&adev->vcn.inst[j].dpg_sram_bo,
&adev->vcn.inst[j].dpg_sram_gpu_addr,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index e913de8..853f0cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -179,11 +179,14 @@ struct amdgpu_vcn_inst {
struct amdgpu_irq_src irq;
struct amdgpu_vcn_reg external;
struct amdgpu_bo *dpg_sram_bo;
+ struct amdgpu_bo *fw_shared_bo;
struct dpg_pause_state pause_state;
void *dpg_sram_cpu_addr;
uint64_t dpg_sram_gpu_addr;
uint32_t *dpg_sram_curr_addr;
atomic_t dpg_enc_submission_cnt;
+ void *fw_shared_cpu_addr;
+ uint64_t fw_shared_gpu_addr;
};
struct amdgpu_vcn {
@@ -209,6 +212,27 @@ struct amdgpu_vcn {
int inst_idx, struct dpg_pause_state *new_state);
};
+#define AMDGPU_VCN_MULTI_QUEUE_FLAG (1 << 8)
+
+enum fw_queue_mode {
+ fw_queue_ring_reset = 1,
+ fw_queue_dpg_hold_off = 2,
+};
+
+struct amdgpu_fw_shared_multi_queue {
+ uint8_t decode_queue_mode;
+ uint8_t encode_generalpurpose_queue_mode;
+ uint8_t encode_lowlatency_queue_mode;
+ uint8_t encode_realtime_queue_mode;
+ uint8_t padding[4];
+};
+
+struct amdgpu_fw_shared {
+ uint32_t present_flag_0;
+ uint8_t pad[53];
+ struct amdgpu_fw_shared_multi_queue multi_queue;
+} __attribute__((__packed__));
+
int amdgpu_vcn_sw_init(struct amdgpu_device *adev);
int amdgpu_vcn_sw_fini(struct amdgpu_device *adev);
int amdgpu_vcn_suspend(struct amdgpu_device *adev);
--
2.7.4
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