[PATCH 02/12] drm/mgag200: Return errno codes from PLL compute functions

[Thomas Zimmermann]

Return -EINVAL if there's no PLL configuration for the given pixel
clock.

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
---
 drivers/gpu/drm/mgag200/mgag200_mode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c 
b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 482843ebb69f..045a20055515 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -134,7 +134,7 @@ static int mgag200_g200_set_plls(struct mga_device *mdev, 
long clock)
 
        if (clock > p_clk_max) {
                drm_err(dev, "Pixel Clock %ld too high\n", clock);
-               return 1;
+               return -EINVAL;
        }
 
        if (clock < p_clk_min >> 3)
@@ -293,7 +293,7 @@ static int mga_g200se_set_plls(struct mga_device *mdev, 
long clock)
 
        if (delta > permitteddelta) {
                pr_warn("PLL delta too large\n");
-               return 1;
+               return -EINVAL;
        }
 
        misc = RREG8(MGA_MISC_IN);
-- 
2.32.0