[PATCH 5/6] drm/amdgpu/vcn: support multiple-instance dpg sram mode

[James Zhu]

Add multiple-instance dpg sram mode support for vcn2.5

Signed-off-by: James Zhu <James.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 27 +++++++++++++--------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 12 ++++++------
 drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c   |  8 ++++----
 3 files changed, 23 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 99df693..ca62d99 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -165,15 +165,15 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 			dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
 			return r;
 		}
-	}
 
-	if (adev->vcn.indirect_sram) {
-		r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
-			    AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.dpg_sram_bo,
-			    &adev->vcn.dpg_sram_gpu_addr, &adev->vcn.dpg_sram_cpu_addr);
-		if (r) {
-			dev_err(adev->dev, "(%d) failed to allocate DPG bo\n", r);
-			return r;
+		if (adev->vcn.indirect_sram) {
+			r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
+					AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].dpg_sram_bo,
+					&adev->vcn.inst[i].dpg_sram_gpu_addr, &adev->vcn.inst[i].dpg_sram_cpu_addr);
+			if (r) {
+				dev_err(adev->dev, "VCN %d (%d) failed to allocate DPG bo\n", i, r);
+				return r;
+			}
 		}
 	}
 
@@ -186,15 +186,14 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
 
 	cancel_delayed_work_sync(&adev->vcn.idle_work);
 
-	if (adev->vcn.indirect_sram) {
-		amdgpu_bo_free_kernel(&adev->vcn.dpg_sram_bo,
-				      &adev->vcn.dpg_sram_gpu_addr,
-				      (void **)&adev->vcn.dpg_sram_cpu_addr);
-	}
-
 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
 		if (adev->vcn.harvest_config & (1 << j))
 			continue;
+		if (adev->vcn.indirect_sram) {
+			amdgpu_bo_free_kernel(&adev->vcn.inst[i].dpg_sram_bo,
+						  &adev->vcn.inst[i].dpg_sram_gpu_addr,
+						  (void **)&adev->vcn.inst[i].dpg_sram_cpu_addr);
+		}
 		kvfree(adev->vcn.inst[j].saved_bo);
 
 		amdgpu_bo_free_kernel(&adev->vcn.inst[j].vcpu_bo,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index d3d75ec..34ff75c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -122,8 +122,8 @@
 				 mask_en << UVD_DPG_LMA_CTL__MASK_EN__SHIFT | 			\
 				 offset << UVD_DPG_LMA_CTL__READ_WRITE_ADDR__SHIFT)); 		\
 		} else { 									\
-			*adev->vcn.dpg_sram_curr_addr++ = offset; 				\
-			*adev->vcn.dpg_sram_curr_addr++ = value; 				\
+			*adev->vcn.inst->dpg_sram_curr_addr++ = offset; 				\
+			*adev->vcn.inst->dpg_sram_curr_addr++ = value; 				\
 		} 										\
 	} while (0)
 
@@ -191,6 +191,10 @@ struct amdgpu_vcn_inst {
 	struct amdgpu_ring	ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
 	struct amdgpu_irq_src	irq;
 	struct amdgpu_vcn_reg	external;
+	struct amdgpu_bo	*dpg_sram_bo;
+	void			*dpg_sram_cpu_addr;
+	uint64_t		dpg_sram_gpu_addr;
+	uint32_t		*dpg_sram_curr_addr;
 };
 
 struct amdgpu_vcn {
@@ -202,10 +206,6 @@ struct amdgpu_vcn {
 	struct dpg_pause_state pause_state;
 
 	bool			indirect_sram;
-	struct amdgpu_bo	*dpg_sram_bo;
-	void			*dpg_sram_cpu_addr;
-	uint64_t		dpg_sram_gpu_addr;
-	uint32_t		*dpg_sram_curr_addr;
 
 	uint8_t	num_vcn_inst;
 	struct amdgpu_vcn_inst	 inst[AMDGPU_MAX_VCN_INSTANCES];
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index dcdc7ad..553710f 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -759,7 +759,7 @@ static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect)
 	WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp);
 
 	if (indirect)
-		adev->vcn.dpg_sram_curr_addr = (uint32_t*)adev->vcn.dpg_sram_cpu_addr;
+		adev->vcn.inst->dpg_sram_curr_addr = (uint32_t*)adev->vcn.inst->dpg_sram_cpu_addr;
 
 	/* enable clock gating */
 	vcn_v2_0_clock_gating_dpg_mode(adev, 0, indirect);
@@ -833,9 +833,9 @@ static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect)
 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
 
 	if (indirect)
-		psp_update_vcn_sram(adev, 0, adev->vcn.dpg_sram_gpu_addr,
-				    (uint32_t)((uintptr_t)adev->vcn.dpg_sram_curr_addr -
-					       (uintptr_t)adev->vcn.dpg_sram_cpu_addr));
+		psp_update_vcn_sram(adev, 0, adev->vcn.inst->dpg_sram_gpu_addr,
+				    (uint32_t)((uintptr_t)adev->vcn.inst->dpg_sram_curr_addr -
+					       (uintptr_t)adev->vcn.inst->dpg_sram_cpu_addr));
 
 	/* force RBC into idle state */
 	rb_bufsz = order_base_2(ring->ring_size);
-- 
2.7.4