Re: [PATCH] drm/amdgpu: implement soft_recovery for gfx10

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Am 05.05.20 um 18:42 schrieb Alex Deucher:
Same as gfx9.  This allows us to kill the waves for hung
shaders.

Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

---
  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 14 ++++++++++++++
  1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index ddb485e1e963..27c63a8f698c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -7690,6 +7690,19 @@ static void gfx_v10_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring,
  							   ref, mask);
  }
+static void gfx_v10_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_SOC15(GC, 0, mmSQ_CMD, value);
+}
+
  static void
  gfx_v10_0_set_gfx_eop_interrupt_state(struct amdgpu_device *adev,
  				      uint32_t me, uint32_t pipe,
@@ -8105,6 +8118,7 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_gfx = {
  	.emit_wreg = gfx_v10_0_ring_emit_wreg,
  	.emit_reg_wait = gfx_v10_0_ring_emit_reg_wait,
  	.emit_reg_write_reg_wait = gfx_v10_0_ring_emit_reg_write_reg_wait,
+	.soft_recovery = gfx_v10_0_ring_soft_recovery,
  	.emit_mem_sync = gfx_v10_0_emit_mem_sync,
  };

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