From 9cf06d6ef7fd08adf51568b704ab7ba6007b6fe8 Mon Sep 17 00:00:00 2001 From: ruanjinjie Date: Sat, 24 Sep 2022 17:25:16 +0800 Subject: [PATCH] drm/nouveau/disp: fix cast removes address space of expression warnings When build Linux kernel with 'make C=2', encounter the following warnings: ./drivers/gpu/drm/nouveau/dispnv50/disp.c:134:34: warning: cast removes address space '__iomem' of expression ./drivers/gpu/drm/nouveau/dispnv50/disp.c:197:34: warning: cast removes address space '__iomem' of expression The data type of dmac->_push.mem.object.map.ptr is 'void __iomem *', but converted to 'u32 *' directly and cause above warnings, now recover their data types to fix these warnings. Signed-off-by: ruanjinjie Reviewed-by: Lyude Paul Signed-off-by: Lyude Paul Link: https://patchwork.freedesktop.org/patch/msgid/20220924092516.10007-1-ruanjinjie@huawei.com --- drivers/gpu/drm/nouveau/dispnv50/disp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index 33c97d510999b..aa94f8e284dd0 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -131,7 +131,7 @@ nv50_dmac_kick(struct nvif_push *push) { struct nv50_dmac *dmac = container_of(push, typeof(*dmac), _push); - dmac->cur = push->cur - (u32 *)dmac->_push.mem.object.map.ptr; + dmac->cur = push->cur - (u32 __iomem *)dmac->_push.mem.object.map.ptr; if (dmac->put != dmac->cur) { /* Push buffer fetches are not coherent with BAR1, we need to ensure * writes have been flushed right through to VRAM before writing PUT. @@ -194,7 +194,7 @@ nv50_dmac_wait(struct nvif_push *push, u32 size) if (WARN_ON(size > dmac->max)) return -EINVAL; - dmac->cur = push->cur - (u32 *)dmac->_push.mem.object.map.ptr; + dmac->cur = push->cur - (u32 __iomem *)dmac->_push.mem.object.map.ptr; if (dmac->cur + size >= dmac->max) { int ret = nv50_dmac_wind(dmac); if (ret) -- 2.30.2