Re: [PATCHv3 3/3] ARM: drm: Intel FPGA VIP Frame Buffer II drm driver

From: kbuild test robot
Date: Thu Jul 13 2017 - 12:55:03 EST


Hi Hean,

[auto build test WARNING on drm/drm-next]
[also build test WARNING on v4.12 next-20170713]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/hean-loong-ong-intel-com/Intel-FPGA-VIP-Frame-Buffer-II-drm-driver/20170713-235417
base: git://people.freedesktop.org/~airlied/linux.git drm-next
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=ia64

All warnings (new ones prefixed by >>):

In file included from include/linux/cdev.h:7:0,
from include/drm/drmP.h:36,
from drivers/gpu//drm/ivip/intel_vip_core.c:28:
drivers/gpu//drm/ivip/intel_vip_core.c: In function 'intelvipfb_enable':
>> drivers/gpu//drm/ivip/intel_vip_core.c:57:33: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=]
dev_info(pipe->plane.dev->dev, "Address 0x%x\n", addr);
^
include/linux/device.h:1317:51: note: in definition of macro 'dev_info'
#define dev_info(dev, fmt, arg...) _dev_info(dev, fmt, ##arg)
^~~

vim +57 drivers/gpu//drm/ivip/intel_vip_core.c

27
> 28 #include <drm/drmP.h>
29 #include <drm/drm_atomic.h>
30 #include <drm/drm_atomic_helper.h>
31 #include <drm/drm_crtc_helper.h>
32 #include <drm/drm_fb_helper.h>
33 #include <drm/drm_fb_cma_helper.h>
34 #include <drm/drm_gem_cma_helper.h>
35 #include <drm/drm_plane_helper.h>
36 #include <drm/drm_simple_kms_helper.h>
37
38 #include "intel_vip_drv.h"
39
40 static void intelvipfb_enable(struct drm_simple_display_pipe *pipe,
41 struct drm_crtc_state *crtc_state)
42 {
43 /*
44 * The frameinfo variable has to correspond to the size of the VIP Suite
45 * Frame Reader register 7 which will determine the maximum size used
46 * in this frameinfo
47 */
48
49 u32 frameinfo;
50 struct intelvipfb_priv *priv = pipe->plane.dev->dev_private;
51 void __iomem *base = priv->base;
52 struct drm_plane_state *state = pipe->plane.state;
53 dma_addr_t addr;
54
55 addr = drm_fb_cma_get_gem_addr(state->fb, state, 0);
56
> 57 dev_info(pipe->plane.dev->dev, "Address 0x%x\n", addr);
58
59 frameinfo =
60 readl(base + INTELVIPFB_FRAME_READER) & 0x00ffffff;
61 writel(frameinfo, base + INTELVIPFB_FRAME_INFO);
62 writel(addr, base + INTELVIPFB_FRAME_START);
63 /* Finally set the control register to 1 to start streaming */
64 writel(1, base + INTELVIPFB_CONTROL);
65 }
66

---
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