[PATCH v1] media: platform: synopsys: hdmirx: Fix compilation on 32bit arches

Dmitry Osipenko dmitry.osipenko at collabora.com
Fri Mar 7 01:21:13 PST 2025


The pixelclock is specified as 64bit integer and for this driver it
won't be above 600MHz. Fix the 64bit division of the pixclock for 32bit
kernel builds.

Reported-by: kernel test robot <lkp at intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202503070743.WnRxStlk-lkp@intel.com/
Signed-off-by: Dmitry Osipenko <dmitry.osipenko at collabora.com>
---
 drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
index 4d42da7255f3..7e342bbde967 100644
--- a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
+++ b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
@@ -291,7 +291,7 @@ static void hdmirx_get_timings(struct snps_hdmirx_dev *hdmirx_dev,
 	hfp = htotal - hact - hs - hbp;
 	vfp = vtotal - vact - vs - vbp;
 
-	fps = (bt->pixelclock + (htotal * vtotal) / 2) / (htotal * vtotal);
+	fps = ((u32)bt->pixelclock + (htotal * vtotal) / 2) / (htotal * vtotal);
 	bt->width = hact;
 	bt->height = vact;
 	bt->hfrontporch = hfp;
-- 
2.48.1




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