[PATCH v2 6/7] drm/amdgpu: Add ring reset callback for JPEG2_5_0

[Sathishkumar S]

Add ring reset function callback for JPEG2_5_0 to
recover from job timeouts without a full gpu reset.

Signed-off-by: Sathishkumar S <sathishkumar.sundarar...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c 
b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c
index 0490b672d8d3..245ea404da2e 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c
@@ -167,7 +167,10 @@ static int jpeg_v2_5_sw_init(struct amdgpu_ip_block 
*ip_block)
        if (r)
                return r;
 
-       return 0;
+       adev->jpeg.supported_reset = AMDGPU_RESET_TYPE_PER_QUEUE;
+       r = amdgpu_jpeg_sysfs_reset_mask_init(adev);
+
+       return r;
 }
 
 /**
@@ -186,6 +189,8 @@ static int jpeg_v2_5_sw_fini(struct amdgpu_ip_block 
*ip_block)
        if (r)
                return r;
 
+       amdgpu_jpeg_sysfs_reset_mask_fini(adev);
+
        r = amdgpu_jpeg_sw_fini(adev);
 
        return r;
@@ -638,6 +643,16 @@ static int jpeg_v2_5_process_interrupt(struct 
amdgpu_device *adev,
        return 0;
 }
 
+static int jpeg_v2_5_ring_reset(struct amdgpu_ring *ring, unsigned int vmid)
+{
+       int ret;
+
+       jpeg_v2_5_stop_inst(ring->adev, ring->me);
+       jpeg_v2_5_start_inst(ring->adev, ring->me);
+       ret = amdgpu_ring_test_helper(ring);
+       return ret;
+}
+
 static const struct amd_ip_funcs jpeg_v2_5_ip_funcs = {
        .name = "jpeg_v2_5",
        .early_init = jpeg_v2_5_early_init,
@@ -700,6 +715,7 @@ static const struct amdgpu_ring_funcs 
jpeg_v2_5_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_v2_5_ring_reset,
 };
 
 static const struct amdgpu_ring_funcs jpeg_v2_6_dec_ring_vm_funcs = {
@@ -730,6 +746,7 @@ static const struct amdgpu_ring_funcs 
jpeg_v2_6_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_v2_5_ring_reset,
 };
 
 static void jpeg_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev)
-- 
2.25.1