[PATCH 3/4] drm/sun4i: Move rate variables to long long
Maxime Ripard
maxime.ripard at bootlin.com
Tue Feb 26 14:25:48 UTC 2019
Our clock rate variables are getting pretty close to the LONG_MAX / ULONG_MAX
limit, especially since we will start doing arithmetic on it. Move those
types to unsigned long long to be sure we don't overflow their type.
Signed-off-by: Maxime Ripard <maxime.ripard at bootlin.com>
---
drivers/gpu/drm/sun4i/sun4i_rgb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index 8a43ed46af82..893b6e6d4d85 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c
@@ -60,8 +60,8 @@ static enum drm_mode_status sun4i_rgb_mode_valid(struct drm_encoder *crtc,
struct sun4i_tcon *tcon = rgb->tcon;
u32 hsync = mode->hsync_end - mode->hsync_start;
u32 vsync = mode->vsync_end - mode->vsync_start;
- unsigned long rate = mode->clock * 1000;
- long rounded_rate;
+ unsigned long long rate = mode->clock * 1000;
+ unsigned long long rounded_rate;
DRM_DEBUG_DRIVER("Validating modes...\n");
--
git-series 0.9.1
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