calc_mclk() returns zero on success and negative on failure but clk is
a u32.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/nouveau/nv50_pm.c b/drivers/gpu/drm/nouveau/nv50_pm.c
index 0393721..3508de9 100644
--- a/drivers/gpu/drm/nouveau/nv50_pm.c
+++ b/drivers/gpu/drm/nouveau/nv50_pm.c
@@ -540,7 +540,7 @@ nv50_pm_clocks_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl)
info->mclk_hwsq.len = 0;
if (perflvl->memory) {
clk = calc_mclk(dev, perflvl->memory, &info->mclk_hwsq);
- if (clk < 0) {
+ if ((int)clk < 0) {
ret = clk;
goto error;
}
--
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