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    Subject[PATCH 4.6 131/203] drm/amd/powerplay: fix logic error.
    Date
    4.6-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Rex Zhu <Rex.Zhu@amd.com>

    commit 1d7b84d12af8312b52316029f1fa0fa4eac3c9e4 upstream.

    the error lead powerplay can't get display info in DGPU case.
    store_cc6_data just implement in APU.

    Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
    Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c | 6 +++++-
    1 file changed, 5 insertions(+), 1 deletion(-)

    --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
    +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
    @@ -306,10 +306,14 @@ int phm_store_dal_configuration_data(str
    {
    PHM_FUNC_CHECK(hwmgr);

    - if (hwmgr->hwmgr_func->store_cc6_data == NULL)
    + if (display_config == NULL)
    return -EINVAL;

    hwmgr->display_config = *display_config;
    +
    + if (hwmgr->hwmgr_func->store_cc6_data == NULL)
    + return -EINVAL;
    +
    /* to do pass other display configuration in furture */

    if (hwmgr->hwmgr_func->store_cc6_data)

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