Commit a2a7e750 authored by Likun Gao's avatar Likun Gao Committed by Alex Deucher
Browse files

drm/amdgpu: disable burst for gfx v12_1 



Disable burst in GL1A and GLARBA for gfx v12_1.

Signed-off-by: default avatarLikun Gao <Likun.Gao@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a41d94a7

drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c

+8 −0
Original line number Diff line number Diff line
@@ -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);

	}