[PATCH 3/5] drm/amdgpu: rework gfx7 queue reset
Christian König
ckoenig.leichtzumerken at gmail.com
Tue Feb 4 14:31:11 UTC 2025
Apply the same changes to gfx7 as done to gfx9.
Untested and probably needs some more work.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 89 ++++++++++++---------------
1 file changed, 39 insertions(+), 50 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 84745b2453ab..9f91c99725aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -3092,6 +3092,33 @@ static int gfx_v7_0_cp_resume(struct amdgpu_device *adev)
return 0;
}
+static void gfx_v7_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)));
+
+ WARN_ON(mem_space && 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_v7_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+ uint32_t val, uint32_t mask)
+{
+ gfx_v7_0_wait_reg_mem(ring, 0, 0, 0, reg, 0, val, mask, 0x20);
+}
+
/**
* gfx_v7_0_ring_emit_pipeline_sync - cik vm flush using the CP
*
@@ -3106,6 +3133,11 @@ static void gfx_v7_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
uint32_t seq = ring->fence_drv.sync_seq;
uint64_t addr = ring->fence_drv.gpu_addr;
+ gfx_v7_0_ring_emit_reg_wait(ring, mmCP_VMID_RESET, 0, 0xffff);
+ amdgpu_ring_emit_wreg(ring, mmCP_VMID_RESET, 0);
+ amdgpu_ring_emit_fence(ring, ring->fence_drv.gpu_addr,
+ ring->fence_drv.sync_seq,
+ AMDGPU_FENCE_FLAG_EXEC);
amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
amdgpu_ring_write(ring, (WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
WAIT_REG_MEM_FUNCTION(3) | /* equal */
@@ -4040,18 +4072,6 @@ static void gfx_v7_0_ring_emit_gds_switch(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, (1 << (oa_size + oa_base)) - (1 << oa_base));
}
-static void gfx_v7_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 uint32_t wave_read_ind(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t address)
{
WREG32(mmSQ_IND_INDEX,
@@ -4926,34 +4946,6 @@ static void gfx_v7_0_emit_mem_sync_compute(struct amdgpu_ring *ring)
amdgpu_ring_write(ring, 0x0000000A); /* poll interval */
}
-static void gfx_v7_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_v7_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
- uint32_t val, uint32_t mask)
-{
- gfx_v7_0_wait_reg_mem(ring, 0, 0, 0, reg, 0, val, mask, 0x20);
-}
-
static int gfx_v7_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid)
{
struct amdgpu_device *adev = ring->adev;
@@ -4986,14 +4978,13 @@ static int gfx_v7_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid)
if (r)
return r;
- if (amdgpu_ring_alloc(ring, 7 + 12 + 5))
+ if (amdgpu_ring_alloc(ring, 7 + 12 + 5 + 7 + 4))
return -ENOMEM;
- gfx_v7_0_ring_emit_fence_gfx(ring, ring->fence_drv.gpu_addr,
- ring->fence_drv.sync_seq, AMDGPU_FENCE_FLAG_EXEC);
- gfx_v7_0_ring_emit_reg_wait(ring, mmCP_VMID_RESET, 0, 0xffff);
- gfx_v7_0_ring_emit_wreg(ring, mmCP_VMID_RESET, 0);
- return amdgpu_ring_test_ring(ring);
+ gfx_v7_0_ring_emit_pipeline_sync(ring);
+ amdgpu_ring_commit(ring);
+
+ return gfx_v7_0_ring_test_ib(ring, AMDGPU_QUEUE_RESET_TIMEOUT);
}
static const struct amd_ip_funcs gfx_v7_0_ip_funcs = {
@@ -5026,7 +5017,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = {
7 + /* gfx_v7_0_ring_emit_hdp_flush */
5 + /* hdp invalidate */
12 + 12 + 12 + /* gfx_v7_0_ring_emit_fence_gfx x3 for user fence, vm fence */
- 7 + 4 + /* gfx_v7_0_ring_emit_pipeline_sync */
+ 7 + 12 + 5 + 7 + 4 + /* gfx_v7_0_ring_emit_pipeline_sync */
CIK_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + 6 + /* gfx_v7_0_ring_emit_vm_flush */
3 + 4 + /* gfx_v7_ring_emit_cntxcntl including vgt flush*/
5, /* SURFACE_SYNC */
@@ -5043,7 +5034,6 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = {
.pad_ib = amdgpu_ring_generic_pad_ib,
.emit_cntxcntl = gfx_v7_ring_emit_cntxcntl,
.emit_wreg = gfx_v7_0_ring_emit_wreg,
- .soft_recovery = gfx_v7_0_ring_soft_recovery,
.emit_mem_sync = gfx_v7_0_emit_mem_sync,
.reset = gfx_v7_0_reset_kgq,
};
@@ -5060,7 +5050,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {
20 + /* gfx_v7_0_ring_emit_gds_switch */
7 + /* gfx_v7_0_ring_emit_hdp_flush */
5 + /* hdp invalidate */
- 7 + /* gfx_v7_0_ring_emit_pipeline_sync */
+ 7 + 12 + 5 + 7 + /* gfx_v7_0_ring_emit_pipeline_sync */
CIK_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + /* gfx_v7_0_ring_emit_vm_flush */
7 + 7 + 7 + /* gfx_v7_0_ring_emit_fence_compute x3 for user fence, vm fence */
7, /* gfx_v7_0_emit_mem_sync_compute */
@@ -5076,7 +5066,6 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {
.insert_nop = amdgpu_ring_insert_nop,
.pad_ib = amdgpu_ring_generic_pad_ib,
.emit_wreg = gfx_v7_0_ring_emit_wreg,
- .soft_recovery = gfx_v7_0_ring_soft_recovery,
.emit_mem_sync = gfx_v7_0_emit_mem_sync_compute,
};
--
2.34.1
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