[Intel-gfx] [PATCH 2/3] drm/i915: Add DCS control for Panel PWM

[kbuild test robot]

Hi,

[auto build test ERROR on drm-intel/for-linux-next]
[cannot apply to v4.6-rc5 next-20160426]
[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/Jani-Nikula/drm-i915-dsi-dcs-backlight-control/20160426-211653
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-s0-201617 (attached as .config)
compiler: 
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c: In function 'dcs_get_backlight':
>> drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c:49:33: error: 'MIPI_DCS_GET_DISPLAY_BRIGHTNESS' undeclared (first use in this function)
      mipi_dsi_dcs_read(dsi_device, MIPI_DCS_GET_DISPLAY_BRIGHTNESS,
                                    ^
   drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c:49:33: note: each undeclared identifier is reported only once for each function it appears in
   drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c: In function 'dcs_set_backlight':
>> drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c:68:34: error: 'MIPI_DCS_SET_DISPLAY_BRIGHTNESS' undeclared (first use in this function)
      mipi_dsi_dcs_write(dsi_device, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,
                                     ^
   drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c: In function 'dcs_disable_backlight':
>> drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c:87:33: error: 'MIPI_DCS_GET_CONTROL_DISPLAY' undeclared (first use in this function)
      mipi_dsi_dcs_read(dsi_device, MIPI_DCS_GET_CONTROL_DISPLAY,
                                    ^
>> drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c:94:34: error: 'MIPI_DCS_WRITE_CONTROL_DISPLAY' undeclared (first use in this function)
      mipi_dsi_dcs_write(dsi_device, MIPI_DCS_WRITE_CONTROL_DISPLAY,
                                     ^
   drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c: In function 'dcs_enable_backlight':
   drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c:112:33: error: 'MIPI_DCS_GET_CONTROL_DISPLAY' undeclared (first use in this function)
      mipi_dsi_dcs_read(dsi_device, MIPI_DCS_GET_CONTROL_DISPLAY,
                                    ^
   drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c:119:34: error: 'MIPI_DCS_WRITE_CONTROL_DISPLAY' undeclared (first use in this function)
      mipi_dsi_dcs_write(dsi_device, MIPI_DCS_WRITE_CONTROL_DISPLAY,
                                     ^

vim +/MIPI_DCS_GET_DISPLAY_BRIGHTNESS +49 drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c

    43		u8 data;
    44		enum port port;
    45	
    46		/* FIXME: Need to take care of 16 bit brightness level */
    47		for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) {
    48			dsi_device = intel_dsi->dsi_hosts[port]->device;
  > 49			mipi_dsi_dcs_read(dsi_device, MIPI_DCS_GET_DISPLAY_BRIGHTNESS,
    50					  &data, sizeof(data));
    51			break;
    52		}
    53	
    54		return data;
    55	}
    56	
    57	static void dcs_set_backlight(struct intel_connector *connector, u32 level)
    58	{
    59		struct intel_encoder *encoder = connector->encoder;
    60		struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
    61		struct mipi_dsi_device *dsi_device;
    62		u8 data = level;
    63		enum port port;
    64	
    65		/* FIXME: Need to take care of 16 bit brightness level */
    66		for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) {
    67			dsi_device = intel_dsi->dsi_hosts[port]->device;
  > 68			mipi_dsi_dcs_write(dsi_device, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,
    69					   &data, sizeof(data));
    70		}
    71	}
    72	
    73	static void dcs_disable_backlight(struct intel_connector *connector)
    74	{
    75		struct intel_encoder *encoder = connector->encoder;
    76		struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
    77		struct mipi_dsi_device *dsi_device;
    78		enum port port;
    79	
    80		dcs_set_backlight(connector, 0);
    81	
    82		for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) {
    83			u8 ctrl = 0;
    84	
    85			dsi_device = intel_dsi->dsi_hosts[port]->device;
    86	
  > 87			mipi_dsi_dcs_read(dsi_device, MIPI_DCS_GET_CONTROL_DISPLAY,
    88					  &ctrl, sizeof(ctrl));
    89	
    90			ctrl &= ~CONTROL_DISPLAY_BL;
    91			ctrl &= ~CONTROL_DISPLAY_DD;
    92			ctrl &= ~CONTROL_DISPLAY_BCTRL;
    93	
  > 94			mipi_dsi_dcs_write(dsi_device, MIPI_DCS_WRITE_CONTROL_DISPLAY,
    95					   &ctrl, sizeof(ctrl));
    96		}
    97	}

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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