From: Paul Bolle Date: Thu, 3 Mar 2016 10:26:10 +0000 (+0100) Subject: drm/vmwgfx: use *_32_bits() macros X-Git-Tag: v4.8-rc1~62^2~37^2~2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0e7c875d1ae9dcf4d8c6018a45e5529feaef8956;p=karo-tx-linux.git drm/vmwgfx: use *_32_bits() macros Use the upper_32_bits() macro instead of the four line equivalent that triggers a GCC warning on 32 bits x86: drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c: In function 'vmw_cmdbuf_header_submit': drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c:297:25: warning: right shift count >= width of type [-Wshift-count-overflow] val = (header->handle >> 32); ^ And use the lower_32_bits() macro instead of and-ing with a 32 bits mask. Signed-off-by: Paul Bolle Acked-by: Joe Perches Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/1457000770-2317-1-git-send-email-pebolle@tiscali.nl --- diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c index 67cebb23c940..aa04fb0159a7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c @@ -293,13 +293,10 @@ static int vmw_cmdbuf_header_submit(struct vmw_cmdbuf_header *header) struct vmw_cmdbuf_man *man = header->man; u32 val; - if (sizeof(header->handle) > 4) - val = (header->handle >> 32); - else - val = 0; + val = upper_32_bits(header->handle); vmw_write(man->dev_priv, SVGA_REG_COMMAND_HIGH, val); - val = (header->handle & 0xFFFFFFFFULL); + val = lower_32_bits(header->handle); val |= header->cb_context & SVGA_CB_CONTEXT_MASK; vmw_write(man->dev_priv, SVGA_REG_COMMAND_LOW, val);