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drm/amdgpu: disable burst for gfx v12_1

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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>
This commit is contained in:
Likun Gao 2025-08-06 10:28:18 +08:00 committed by Alex Deucher
parent a41d94a7bb
commit a2a7e75020
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
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@ -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);
}