It doesn't work reliably and we have soft recover and
full adapter reset so drop this.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 71 ---------------------------
1 file changed, 71 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 5ee2237d8ee8f..68c401ecb3eca 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -6339,34 +6339,6 @@ static void gfx_v8_0_ring_emit_wreg(struct amdgpu_ring
*ring, uint32_t reg,
amdgpu_ring_write(ring, val);
}
-static void gfx_v8_0_wait_reg_mem(struct amdgpu_ring *ring, int eng_sel,
- int mem_space, int opt, uint32_t addr0,
- uint32_t addr1, uint32_t ref, uint32_t mask,
- uint32_t inv)
-{
- amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
- amdgpu_ring_write(ring,
- /* memory (1) or register (0) */
- (WAIT_REG_MEM_MEM_SPACE(mem_space) |
- WAIT_REG_MEM_OPERATION(opt) | /* wait */
- WAIT_REG_MEM_FUNCTION(3) | /* equal */
- WAIT_REG_MEM_ENGINE(eng_sel)));
-
- if (mem_space)
- BUG_ON(addr0 & 0x3); /* Dword align */
- amdgpu_ring_write(ring, addr0);
- amdgpu_ring_write(ring, addr1);
- amdgpu_ring_write(ring, ref);
- amdgpu_ring_write(ring, mask);
- amdgpu_ring_write(ring, inv); /* poll interval */
-}
-
-static void gfx_v8_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
- uint32_t val, uint32_t mask)
-{
- gfx_v8_0_wait_reg_mem(ring, 0, 0, 0, reg, 0, val, mask, 0x20);
-}
-
static void gfx_v8_0_ring_soft_recovery(struct amdgpu_ring *ring, unsigned
vmid)
{
struct amdgpu_device *adev = ring->adev;
@@ -6843,48 +6815,6 @@ static void gfx_v8_0_emit_wave_limit(struct amdgpu_ring
*ring, bool enable)
}
-static int gfx_v8_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid)
-{
- struct amdgpu_device *adev = ring->adev;
- struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
- struct amdgpu_ring *kiq_ring = &kiq->ring;
- unsigned long flags;
- u32 tmp;
- int r;
-
- if (amdgpu_sriov_vf(adev))
- return -EINVAL;
-
- if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
- return -EINVAL;
-
- spin_lock_irqsave(&kiq->ring_lock, flags);
-
- if (amdgpu_ring_alloc(kiq_ring, 5)) {
- spin_unlock_irqrestore(&kiq->ring_lock, flags);
- return -ENOMEM;
- }
-
- tmp = REG_SET_FIELD(0, CP_VMID_RESET, RESET_REQUEST, 1 << vmid);
- gfx_v8_0_ring_emit_wreg(kiq_ring, mmCP_VMID_RESET, tmp);
- amdgpu_ring_commit(kiq_ring);
-
- spin_unlock_irqrestore(&kiq->ring_lock, flags);
-
- r = amdgpu_ring_test_ring(kiq_ring);
- if (r)
- return r;
-
- if (amdgpu_ring_alloc(ring, 7 + 12 + 5))
- return -ENOMEM;
- gfx_v8_0_ring_emit_fence_gfx(ring, ring->fence_drv.gpu_addr,
- ring->fence_drv.sync_seq,
AMDGPU_FENCE_FLAG_EXEC);
- gfx_v8_0_ring_emit_reg_wait(ring, mmCP_VMID_RESET, 0, 0xffff);
- gfx_v8_0_ring_emit_wreg(ring, mmCP_VMID_RESET, 0);
-
- return amdgpu_ring_test_ring(ring);
-}
-
static const struct amd_ip_funcs gfx_v8_0_ip_funcs = {
.name = "gfx_v8_0",
.early_init = gfx_v8_0_early_init,
@@ -6950,7 +6880,6 @@ static const struct amdgpu_ring_funcs
gfx_v8_0_ring_funcs_gfx = {
.emit_wreg = gfx_v8_0_ring_emit_wreg,
.soft_recovery = gfx_v8_0_ring_soft_recovery,
.emit_mem_sync = gfx_v8_0_emit_mem_sync,
- .reset = gfx_v8_0_reset_kgq,
};
static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
--
2.49.0
