tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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drm/amdgpu: Revert programming of CP_PSP_XCP_CTL

Programming of this register is taken care by PSP. Incorrect programming
causes CP not to detect its XCC.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reported-by: Alexander Turek <Alexander.Turek@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

authored by

Lijo Lazar and committed by
Alex Deucher d55391c2 ea2d2f8e

-3
-3
drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
··· 1055 1055 tmp = tmp | (adev->gfx.num_xcc_per_xcp << REG_FIELD_SHIFT(CP_HYP_XCP_CTL, NUM_XCC_IN_XCP)); 1056 1056 WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_HYP_XCP_CTL, tmp); 1057 1057 1058 - tmp = xcc_id << REG_FIELD_SHIFT(CP_PSP_XCP_CTL, PHYSICAL_XCC_ID); 1059 - tmp = tmp | (xcc_id << REG_FIELD_SHIFT(CP_PSP_XCP_CTL, XCC_DIE_ID)); 1060 - WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_PSP_XCP_CTL, tmp); 1061 1058 break; 1062 1059 default: 1063 1060 break;