[PATCH 3/7] drm/amdgpu: Add ring reset callback for JPEG4_0_0

[Sathishkumar S]

Add ring reset function callback for JPEG4_0_0 to
recover from job timeouts without a full gpu reset.

Signed-off-by: Sathishkumar S <sathishkumar.sundararaju at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
index b0666090f52c..00d7415f4945 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
@@ -143,9 +143,7 @@ static int jpeg_v4_0_sw_init(struct amdgpu_ip_block *ip_block)
 	if (r)
 		return r;
 
-	/* TODO: Add queue reset mask when FW fully supports it */
-	adev->jpeg.supported_reset =
-		amdgpu_get_soft_full_reset_mask(&adev->jpeg.inst[0].ring_dec[0]);
+	adev->jpeg.supported_reset = AMDGPU_RESET_TYPE_PER_PIPE;
 	r = amdgpu_jpeg_sysfs_reset_mask_init(adev);
 	if (r)
 		return r;
@@ -724,6 +722,23 @@ static int jpeg_v4_0_process_interrupt(struct amdgpu_device *adev,
 	return 0;
 }
 
+static int jpeg_v4_0_ring_reset(struct amdgpu_ring *ring, unsigned int vmid)
+{
+	struct amdgpu_device *adev = ring->adev;
+	int ret;
+
+	if (amdgpu_sriov_vf(adev))
+		return -EINVAL;
+
+	jpeg_v4_0_stop(ring->adev);
+	jpeg_v4_0_start(ring->adev);
+	ret = amdgpu_ring_test_helper(ring);
+	if (ret)
+		return ret;
+	dev_info(adev->dev, "Reset on %s succeeded\n", ring->sched.name);
+	return 0;
+}
+
 static const struct amd_ip_funcs jpeg_v4_0_ip_funcs = {
 	.name = "jpeg_v4_0",
 	.early_init = jpeg_v4_0_early_init,
@@ -769,6 +784,7 @@ static const struct amdgpu_ring_funcs jpeg_v4_0_dec_ring_vm_funcs = {
 	.emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
 	.emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+	.reset = jpeg_v4_0_ring_reset,
 };
 
 static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev)
-- 
2.25.1