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drm/amdgpu: implement soft_recovery for GFX8 v2 

Try to kill waves on the SQ.

v2: only for the GFX ring for now.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-08-21 12:45:31 +02:00 committed by Alex Deucher
parent efb6706405
commit f5d850331e
1 changed files with 13 additions and 0 deletions
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13
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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@ -6714,6 +6714,18 @@ 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_ring_soft_recovery(struct amdgpu_ring *ring, unsigned vmid)
{
struct amdgpu_device *adev = ring->adev;
uint32_t value = 0;
value = REG_SET_FIELD(value, SQ_CMD, CMD, 0x03);
value = REG_SET_FIELD(value, SQ_CMD, MODE, 0x01);
value = REG_SET_FIELD(value, SQ_CMD, CHECK_VMID, 1);
value = REG_SET_FIELD(value, SQ_CMD, VM_ID, vmid);
WREG32(mmSQ_CMD, value);
}
static void gfx_v8_0_set_gfx_eop_interrupt_state(struct amdgpu_device *adev,
enum amdgpu_interrupt_state state)
{
@ -7171,6 +7183,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = {
.init_cond_exec = gfx_v8_0_ring_emit_init_cond_exec,
.patch_cond_exec = gfx_v8_0_ring_emit_patch_cond_exec,
.emit_wreg = gfx_v8_0_ring_emit_wreg,
.soft_recovery = gfx_v8_0_ring_soft_recovery,
};
static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {