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drm/sun4i: Move rate variables to long long

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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@bootlin.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com> # tested on pinebook
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/022c3b850413edd6afbca20062f100971de2f5af.1551191081.git-series.maxime.ripard@bootlin.com
This commit is contained in:
Maxime Ripard 2019-02-26 15:25:48 +01:00
parent 19d0ffe0ed
commit 9f7dfd0cb5
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GPG key ID: E3EF0D6F671851C5
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/sun4i/sun4i_rgb.c
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@ -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");