drm/mgag200/mgag200_mode.c: fix wrong do_div() usage

do_div() is meant to be used with an unsigned dividend.

Signed-off-by: Nicolas Pitre <nico@linaro.org>

diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index c99d3fe12881de75ac9344030b68fcead8fe6a09..1d4c480f5c9ca40282821ed5228ad6c1607a9e41 100644 (file)
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1564,7 +1564,7 @@ static uint32_t mga_vga_calculate_mode_bandwidth(struct drm_display_mode *mode,
                                                        int bits_per_pixel)
 {
        uint32_t total_area, divisor;
-       int64_t active_area, pixels_per_second, bandwidth;
+       uint64_t active_area, pixels_per_second, bandwidth;
        uint64_t bytes_per_pixel = (bits_per_pixel + 7) / 8;
 
        divisor = 1024;