Hi Ramalingam, [auto build test ERROR on drm-intel/for-linux-next] [cannot apply to v4.6-rc1 next-20160329] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Ramalingam-C/drm-i915-BXT-Get-pipe-conf-from-the-port-registers/20160330-014708 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-randconfig-s1-201613 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): In file included from include/linux/list.h:8:0, from include/linux/dmi.h:4, from drivers/gpu/drm/i915/intel_display.c:27: drivers/gpu/drm/i915/intel_display.c: In function 'intel_pipe_config_compare': >> drivers/gpu/drm/i915/intel_display.c:12612:4: error: implicit declaration of function 'dsi_pixel_format_bpp' [-Werror=implicit-function-declaration] (dsi_pixel_format_bpp(intel_dsi->pixel_format) * \ ^ include/linux/kernel.h:67:36: note: in definition of macro 'DIV_ROUND_UP' #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) ^ drivers/gpu/drm/i915/intel_display.c:12624:4: note: in expansion of macro 'MAX_BXT_DSI_TIMING_RETRIVAL_ERR' MAX_BXT_DSI_TIMING_RETRIVAL_ERR))) { \ ^ drivers/gpu/drm/i915/intel_display.c:12636:4: note: in expansion of macro 'BXT_DSI_PIPE_CONF_CHECK_I_RANGE' BXT_DSI_PIPE_CONF_CHECK_I_RANGE(name) \ ^ drivers/gpu/drm/i915/intel_display.c:12751:2: note: in expansion of macro 'PIPE_CONF_CHECK_I_RANGE' PIPE_CONF_CHECK_I_RANGE(base.adjusted_mode.crtc_htotal); ^ cc1: some warnings being treated as errors vim +/dsi_pixel_format_bpp +12612 drivers/gpu/drm/i915/intel_display.c 12606 * the converson error, hence we consider the 3 times of error as tolerance. 12607 */ 12608 12609 #define MAX_BXT_DSI_TIMING_RETRIVAL_ERR \ 12610 (intel_dsi == NULL ? 0 : \ 12611 DIV_ROUND_UP((3 * 8 * intel_dsi->lane_count * 100), \ 12612 (dsi_pixel_format_bpp(intel_dsi->pixel_format) * \ 12613 intel_dsi->burst_mode_ratio))) 12614 12615 #define BXT_DSI_PIPE_CONF_CHECK_I_RANGE(name) { \ --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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