drm/amdgpu: cleanup skipping IB test on KIQ

Instead of hard coding the ring type in the function just never provide
a test_ib callback.

Additional to that remove the emit_ib callback to make sure the nobody
ever tries to execute an IB on the KIQ.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

3 files changed, 3 insertions, 12 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index c514bb9e94a0..ec0e6238dbc3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -351,15 +351,10 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
                 struct amdgpu_ring *ring = adev->rings[i];
                 long tmo;
 
-                if (!ring->sched.ready)
-                        continue;
-
-                /* skip IB tests for KIQ in general for the below reasons:
-                 * 1. We never submit IBs to the KIQ
-                 * 2. KIQ doesn't use the EOP interrupts,
-                 *    we use some other CP interrupt.
+                /* KIQ rings don't have an IB test because we never submit IBs
+                 * to them and they have no interrupt support.
                  */
-                if (ring->funcs->type == AMDGPU_RING_TYPE_KIQ)
+                if (!ring->sched.ready || !ring->funcs->test_ib)
                         continue;
 
                 /* MM engine need more time */
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 45dda5684083..740c73aa7b45 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -6989,10 +6989,8 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_kiq = {
                 17 + /* gfx_v8_0_ring_emit_vm_flush */
                 7 + 7 + 7, /* gfx_v8_0_ring_emit_fence_kiq x3 for user fence, vm fence */
         .emit_ib_size = 4, /* gfx_v8_0_ring_emit_ib_compute */
-        .emit_ib = gfx_v8_0_ring_emit_ib_compute,
         .emit_fence = gfx_v8_0_ring_emit_fence_kiq,
         .test_ring = gfx_v8_0_ring_test_ring,
-        .test_ib = gfx_v8_0_ring_test_ib,
         .insert_nop = amdgpu_ring_insert_nop,
         .pad_ib = amdgpu_ring_generic_pad_ib,
         .emit_rreg = gfx_v8_0_ring_emit_rreg,
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 9248ef08bb37..67c011d7f1a6 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4848,10 +4848,8 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_kiq = {
                 2 + /* gfx_v9_0_ring_emit_vm_flush */
                 8 + 8 + 8, /* gfx_v9_0_ring_emit_fence_kiq x3 for user fence, vm fence */
         .emit_ib_size = 4, /* gfx_v9_0_ring_emit_ib_compute */
-        .emit_ib = gfx_v9_0_ring_emit_ib_compute,
         .emit_fence = gfx_v9_0_ring_emit_fence_kiq,
         .test_ring = gfx_v9_0_ring_test_ring,
-        .test_ib = gfx_v9_0_ring_test_ib,
         .insert_nop = amdgpu_ring_insert_nop,
         .pad_ib = amdgpu_ring_generic_pad_ib,
         .emit_rreg = gfx_v9_0_ring_emit_rreg,