[PATCH 29/30] drm/amdgpu/vcn2.5: implement ring reset

[Alex Deucher]

Use the new helpers to handle engine resets for VCN.

Reviewed-by: Sathishkumar S <sathishkumar.sundararaju at amd.com>
Tested-by: Sathishkumar S <sathishkumar.sundararaju at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index 58b527a6b795f..49ec4a7775f90 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -102,6 +102,7 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
 				   struct dpg_pause_state *new_state);
 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev);
 static void vcn_v2_5_set_ras_funcs(struct amdgpu_device *adev);
+static int vcn_v2_5_reset(struct amdgpu_vcn_inst *vinst);
 
 static int amdgpu_ih_clientid_vcns[] = {
 	SOC15_IH_CLIENTID_VCN,
@@ -404,6 +405,7 @@ static int vcn_v2_5_sw_init(struct amdgpu_ip_block *ip_block)
 
 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
 			adev->vcn.inst[j].pause_dpg_mode = vcn_v2_5_pause_dpg_mode;
+		adev->vcn.inst[j].reset = vcn_v2_5_reset;
 	}
 
 	if (amdgpu_sriov_vf(adev)) {
@@ -1816,6 +1818,7 @@ static const struct amdgpu_ring_funcs vcn_v2_5_dec_ring_vm_funcs = {
 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+	.reset = amdgpu_vcn_ring_reset,
 };
 
 /**
@@ -1914,6 +1917,7 @@ static const struct amdgpu_ring_funcs vcn_v2_5_enc_ring_vm_funcs = {
 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+	.reset = amdgpu_vcn_ring_reset,
 };
 
 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev)
@@ -1942,6 +1946,13 @@ static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev)
 	}
 }
 
+static int vcn_v2_5_reset(struct amdgpu_vcn_inst *vinst)
+{
+	vcn_v2_5_stop(vinst);
+	vcn_v2_5_start(vinst);
+	return 0;
+}
+
 static bool vcn_v2_5_is_idle(struct amdgpu_ip_block *ip_block)
 {
 	struct amdgpu_device *adev = ip_block->adev;
-- 
2.50.0