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drm/radeon: cypress_dpm: Fix unused variable warning when CONFIG_ACPI=n

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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>
This commit is contained in:
Alex Deucher 2013-11-12 12:31:54 -05:00
parent 71473dbd66
commit 936b32643c
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/radeon/cypress_dpm.c
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@ -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);