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drm/amdgpu: move static CSA address to top of address space v2

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Move the CSA area to the top of the VA space to avoid clashing with
HMM/ATC in the lower range on GFX9.

v2: wrong sign noticed by Roger, rebase on CSA_VADDR cleanup, handle VA
hole on GFX9 as well.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2018-01-22 11:25:48 +01:00
committed by Alex Deucher
parent c1f2fb6b63
commit 6f05c4e9d1
4 changed files with 26 additions and 13 deletions
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4
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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@@ -3865,7 +3865,7 @@ static void gfx_v9_0_ring_emit_ce_meta(struct amdgpu_ring *ring)
int cnt;
cnt = (sizeof(ce_payload) >> 2) + 4 - 2;
csa_addr = AMDGPU_CSA_VADDR;
csa_addr = amdgpu_csa_vaddr(ring->adev);
amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, cnt));
amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(2) |
@@ -3883,7 +3883,7 @@ static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring)
uint64_t csa_addr, gds_addr;
int cnt;
csa_addr = AMDGPU_CSA_VADDR;
csa_addr = amdgpu_csa_vaddr(ring->adev);
gds_addr = csa_addr + 4096;
de_payload.gds_backup_addrlo = lower_32_bits(gds_addr);
de_payload.gds_backup_addrhi = upper_32_bits(gds_addr);