drm/nv50/gpio: fixup reset for gpios >= 16

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c
index 904b67f..2ef7747 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c
@@ -46,7 +46,8 @@ nv50_gpio_reset(struct nouveau_gpio *gpio, u8 match)
                u8  unk0 = !!(data & 0x02000000);
                u8  unk1 = !!(data & 0x04000000);
                u32 val = (unk1 << 16) | unk0;
-               u32 reg = regs[line >> 4]; line &= 0x0f;
+               u32 reg = regs[line >> 4];
+               u32 lsh = line & 0x0f;
 
                if ( func  == DCB_GPIO_UNUSED ||
                    (match != DCB_GPIO_UNUSED && match != func))
@@ -54,7 +55,7 @@ nv50_gpio_reset(struct nouveau_gpio *gpio, u8 match)
 
                gpio->set(gpio, 0, func, line, defs);
 
-               nv_mask(priv, reg, 0x00010001 << line, val << line);
+               nv_mask(priv, reg, 0x00010001 << lsh, val << lsh);
        }
 }