drm/amdgpu/gfx10: re-init clear state buffer after gpu reset

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This patch fixes 2nd baco reset failure with gfxoff enabled on navi1x.

clear state buffer (resides in vram) is corrupted after 1st baco reset,
upon gfxoff exit, CPF gets garbage header in CSIB and hangs.

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Xiaojie Yuan 2019-11-20 14:02:22 +08:00 • committed by Alex Deucher

parent 6a93b58e5f

commit c25edaaf75

1 changed files with 37 additions and 6 deletions

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drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

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