diff options
| author | Likun Gao <Likun.Gao@amd.com> | 2025-08-06 10:28:18 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-01-05 16:26:25 -0500 |
| commit | a2a7e75020cbff0af16abae74a90bdff2834a191 (patch) | |
| tree | 6098a356e6c0bae81ad1fc6c10502e47e18ff948 /drivers/gpu | |
| parent | a41d94a7bb962fde26c9bccd4d6858b8c6bf507f (diff) | |
drm/amdgpu: disable burst for gfx v12_1
Disable burst in GL1A and GLARBA for gfx v12_1.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c index 677731923496..c2b931183164 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c @@ -2637,11 +2637,19 @@ static void gfx_v12_1_xcc_enable_atomics(struct amdgpu_device *adev, WREG32_SOC15(GC, GET_INST(GC, xcc_id), regTCP_UTCL0_CNTL1, data); } +static void gfx_v12_1_xcc_disable_burst(struct amdgpu_device *adev, + int xcc_id) +{ + WREG32_SOC15(GC, GET_INST(GC, xcc_id), regGL1_DRAM_BURST_CTRL, 0xf); + WREG32_SOC15(GC, GET_INST(GC, xcc_id), regGLARB_DRAM_BURST_CTRL, 0xf); +} + static void gfx_v12_1_init_golden_registers(struct amdgpu_device *adev) { int i; for (i = 0; i < NUM_XCC(adev->gfx.xcc_mask); i++) { + gfx_v12_1_xcc_disable_burst(adev, i); gfx_v12_1_xcc_enable_atomics(adev, i); gfx_v12_1_xcc_setup_tcp_thrashing_ctrl(adev, i); } |