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    Subject[PATCH 3.12 23/64] drm/radeon: cypress_dpm: Fix unused variable warning when CONFIG_ACPI=n
    Date
    From: Alex Deucher <alexander.deucher@amd.com>

    3.12-stable review patch. If anyone has any objections, please let me know.

    ===============

    commit 936b32643cb03dcb34ef5dab81970229b1cc2a33 upstream.

    With CONFIG_ACPI=n the following build warning is seen:

    drivers/gpu/drm/radeon/cypress_dpm.c:302:31: warning: unused variable 'eg_pi' [-Wunused-variable]

    Protect eg_pi with CONFIG_ACPI.

    Based on patch from: Fabio Estevam <fabio.estevam@freescale.com>
    but doesn't mix allocation and code.

    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Jiri Slaby <jslaby@suse.cz>
    ---
    drivers/gpu/drm/radeon/cypress_dpm.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
    index 7143783fb237..b5a00771f27a 100644
    --- a/drivers/gpu/drm/radeon/cypress_dpm.c
    +++ b/drivers/gpu/drm/radeon/cypress_dpm.c
    @@ -299,7 +299,9 @@ void cypress_program_response_times(struct radeon_device *rdev)
    static int cypress_pcie_performance_request(struct radeon_device *rdev,
    u8 perf_req, bool advertise)
    {
    +#if defined(CONFIG_ACPI)
    struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
    +#endif
    u32 tmp;

    udelay(10);
    --
    2.7.1
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