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    Subject[PATCH AUTOSEL 5.8 36/64] drm/amdgpu/display bail early in dm_pp_get_static_clocks
    Date
    From: Alex Deucher <alexander.deucher@amd.com>

    [ Upstream commit 376814f5fcf1aadda501d1413d56e8af85d19a97 ]

    If there are no supported callbacks. We'll fall back to the
    nominal clocks.

    Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1170
    Reviewed-by: Evan Quan <evan.quan@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
    index a2e1a73f66b81..7cee8070cb113 100644
    --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
    +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
    @@ -530,6 +530,8 @@ bool dm_pp_get_static_clocks(
    &pp_clk_info);
    else if (adev->smu.ppt_funcs)
    ret = smu_get_current_clocks(&adev->smu, &pp_clk_info);
    + else
    + return false;
    if (ret)
    return false;

    --
    2.25.1
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