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From 66594074e644dd038e5d5b12ec4bfe6240fec9ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Tue, 21 Aug 2018 12:45:31 +0200
Subject: [PATCH 5208/5725] drm/amdgpu: implement soft_recovery for GFX8 v2
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 6f79369..19b65cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -6726,6 +6726,18 @@ 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)
{
@@ -7184,6 +7196,7 @@ 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 = {
--
2.7.4
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