From: Alex Deucher <alexander.deuc...@amd.com> [ Upstream commit b5be054c585110b2c5c1b180136800e8c41c7bb4 ]
Need to enter safe mode before touching GC MMIO. Acked-by: Vitaly Prosyak <vitaly.pros...@amd.com> Signed-off-by: Alex Deucher <alexander.deuc...@amd.com> Signed-off-by: Sasha Levin <sas...@kernel.org> --- drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index 4ba8eb45ac174..0bcdcb2101577 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -4497,6 +4497,8 @@ static int gfx_v11_0_soft_reset(void *handle) int r, i, j, k; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + gfx_v11_0_set_safe_mode(adev, 0); + tmp = RREG32_SOC15(GC, 0, regCP_INT_CNTL); tmp = REG_SET_FIELD(tmp, CP_INT_CNTL, CMP_BUSY_INT_ENABLE, 0); tmp = REG_SET_FIELD(tmp, CP_INT_CNTL, CNTX_BUSY_INT_ENABLE, 0); @@ -4504,8 +4506,6 @@ static int gfx_v11_0_soft_reset(void *handle) tmp = REG_SET_FIELD(tmp, CP_INT_CNTL, GFX_IDLE_INT_ENABLE, 0); WREG32_SOC15(GC, 0, regCP_INT_CNTL, tmp); - gfx_v11_0_set_safe_mode(adev, 0); - mutex_lock(&adev->srbm_mutex); for (i = 0; i < adev->gfx.mec.num_mec; ++i) { for (j = 0; j < adev->gfx.mec.num_queue_per_pipe; j++) { -- 2.43.0