From: Alex Deucher <alexander.deucher@xxxxxxx>
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@xxxxxxxxxxxxx>
but doesn't mix allocation and code.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
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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