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authorTomi Valkeinen <tomi.valkeinen@ti.com>2020-09-29 12:19:18 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2020-10-01 12:49:22 +0200
commit2101bfca57d8102292b85a62331239295bfa772e (patch)
treec892d2b4a4b8520a7b2e08a8311eccc21e4d38e7 /drivers/gpu/drm/bridge
parentMerge tag 'mediatek-drm-next-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next (diff)
downloadlinux-dev-2101bfca57d8102292b85a62331239295bfa772e.tar.xz
linux-dev-2101bfca57d8102292b85a62331239295bfa772e.zip
drm: bridge: cdns-mhdp8546: fix compile warning
On x64 we get: drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c:751:10: warning: conversion from 'long unsigned int' to 'unsigned int' changes value from '18446744073709551613' to '4294967293' [-Woverflow] The registers are 32 bit, so fix by casting to u32. Fixes: fb43aa0acdfd ("drm: bridge: Add support for Cadence MHDP8546 DPI/DP bridge") Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Reviewed-by: Swapnil Jakhade <sjakhade@cadence.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200929091918.24813-1-tomi.valkeinen@ti.com
Diffstat (limited to 'drivers/gpu/drm/bridge')
-rw-r--r--drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
index 621ebdbff8a3..d0c65610ebb5 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
@@ -748,7 +748,7 @@ static int cdns_mhdp_fw_activate(const struct firmware *fw,
* bridge should already be detached.
*/
if (mhdp->bridge_attached)
- writel(~CDNS_APB_INT_MASK_SW_EVENT_INT,
+ writel(~(u32)CDNS_APB_INT_MASK_SW_EVENT_INT,
mhdp->regs + CDNS_APB_INT_MASK);
spin_unlock(&mhdp->start_lock);
@@ -1689,7 +1689,7 @@ static int cdns_mhdp_attach(struct drm_bridge *bridge,
/* Enable SW event interrupts */
if (hw_ready)
- writel(~CDNS_APB_INT_MASK_SW_EVENT_INT,
+ writel(~(u32)CDNS_APB_INT_MASK_SW_EVENT_INT,
mhdp->regs + CDNS_APB_INT_MASK);
return 0;
@@ -2122,7 +2122,7 @@ static void cdns_mhdp_bridge_hpd_enable(struct drm_bridge *bridge)
/* Enable SW event interrupts */
if (mhdp->bridge_attached)
- writel(~CDNS_APB_INT_MASK_SW_EVENT_INT,
+ writel(~(u32)CDNS_APB_INT_MASK_SW_EVENT_INT,
mhdp->regs + CDNS_APB_INT_MASK);
}