Hi Zack,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on drm-exynos/exynos-drm-next drm-intel/for-linux-next 
drm-tip/drm-tip v5.18 next-20220602]
[cannot apply to airlied/drm-next tegra-drm/drm/tegra/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    
https://github.com/intel-lab-lkp/linux/commits/Zack-Rusin/drm-Add-mouse-cursor-hotspot-support-to-atomic-KMS/20220602-234633
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: x86_64-randconfig-a011 
(https://download.01.org/0day-ci/archive/20220603/202206030624.tdmarys5-...@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
        # 
https://github.com/intel-lab-lkp/linux/commit/0bf2395ee17bd25ae6411c560de883496256195d
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review 
Zack-Rusin/drm-Add-mouse-cursor-hotspot-support-to-atomic-KMS/20220602-234633
        git checkout 0bf2395ee17bd25ae6411c560de883496256195d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/qxl/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <l...@intel.com>

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/qxl/qxl_display.c: In function 'qxl_primary_apply_cursor':
>> drivers/gpu/drm/qxl/qxl_display.c:486:33: warning: unused variable 'fb' 
>> [-Wunused-variable]
     486 |         struct drm_framebuffer *fb = plane_state->fb;
         |                                 ^~
   drivers/gpu/drm/qxl/qxl_display.c: In function 'qxl_primary_move_cursor':
   drivers/gpu/drm/qxl/qxl_display.c:532:33: warning: unused variable 'fb' 
[-Wunused-variable]
     532 |         struct drm_framebuffer *fb = plane_state->fb;
         |                                 ^~


vim +/fb +486 drivers/gpu/drm/qxl/qxl_display.c

c2ff663260fee3 Gabriel Krisman Bertazi 2017-02-27  482  
b4b27f08f9f96d Gerd Hoffmann           2021-02-17  483  static int 
qxl_primary_apply_cursor(struct qxl_device *qdev,
b4b27f08f9f96d Gerd Hoffmann           2021-02-17  484                          
            struct drm_plane_state *plane_state)
9428088c90b6f7 Ray Strode              2017-11-27  485  {
b4b27f08f9f96d Gerd Hoffmann           2021-02-17 @486          struct 
drm_framebuffer *fb = plane_state->fb;
b4b27f08f9f96d Gerd Hoffmann           2021-02-17  487          struct qxl_crtc 
*qcrtc = to_qxl_crtc(plane_state->crtc);
9428088c90b6f7 Ray Strode              2017-11-27  488          struct 
qxl_cursor_cmd *cmd;
9428088c90b6f7 Ray Strode              2017-11-27  489          struct 
qxl_release *release;
9428088c90b6f7 Ray Strode              2017-11-27  490          int ret = 0;
9428088c90b6f7 Ray Strode              2017-11-27  491  
9428088c90b6f7 Ray Strode              2017-11-27  492          if 
(!qcrtc->cursor_bo)
9428088c90b6f7 Ray Strode              2017-11-27  493                  return 
0;
9428088c90b6f7 Ray Strode              2017-11-27  494  
9428088c90b6f7 Ray Strode              2017-11-27  495          ret = 
qxl_alloc_release_reserved(qdev, sizeof(*cmd),
9428088c90b6f7 Ray Strode              2017-11-27  496                          
                 QXL_RELEASE_CURSOR_CMD,
9428088c90b6f7 Ray Strode              2017-11-27  497                          
                 &release, NULL);
9428088c90b6f7 Ray Strode              2017-11-27  498          if (ret)
9428088c90b6f7 Ray Strode              2017-11-27  499                  return 
ret;
9428088c90b6f7 Ray Strode              2017-11-27  500  
9428088c90b6f7 Ray Strode              2017-11-27  501          ret = 
qxl_release_list_add(release, qcrtc->cursor_bo);
9428088c90b6f7 Ray Strode              2017-11-27  502          if (ret)
9428088c90b6f7 Ray Strode              2017-11-27  503                  goto 
out_free_release;
9428088c90b6f7 Ray Strode              2017-11-27  504  
9428088c90b6f7 Ray Strode              2017-11-27  505          ret = 
qxl_release_reserve_list(release, false);
9428088c90b6f7 Ray Strode              2017-11-27  506          if (ret)
9428088c90b6f7 Ray Strode              2017-11-27  507                  goto 
out_free_release;
9428088c90b6f7 Ray Strode              2017-11-27  508  
9428088c90b6f7 Ray Strode              2017-11-27  509          cmd = (struct 
qxl_cursor_cmd *)qxl_release_map(qdev, release);
9428088c90b6f7 Ray Strode              2017-11-27  510          cmd->type = 
QXL_CURSOR_SET;
0bf2395ee17bd2 Zack Rusin              2022-06-02  511          
cmd->u.set.position.x = plane_state->crtc_x + plane_state->hotspot_x;
0bf2395ee17bd2 Zack Rusin              2022-06-02  512          
cmd->u.set.position.y = plane_state->crtc_y + plane_state->hotspot_y;
9428088c90b6f7 Ray Strode              2017-11-27  513  
9428088c90b6f7 Ray Strode              2017-11-27  514          
cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
9428088c90b6f7 Ray Strode              2017-11-27  515  
9428088c90b6f7 Ray Strode              2017-11-27  516          
cmd->u.set.visible = 1;
9428088c90b6f7 Ray Strode              2017-11-27  517          
qxl_release_unmap(qdev, release, &cmd->release_info);
9428088c90b6f7 Ray Strode              2017-11-27  518  
9428088c90b6f7 Ray Strode              2017-11-27  519          
qxl_release_fence_buffer_objects(release);
933db73351d359 Vasily Averin           2020-04-29  520          
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
9428088c90b6f7 Ray Strode              2017-11-27  521  
9428088c90b6f7 Ray Strode              2017-11-27  522          return ret;
9428088c90b6f7 Ray Strode              2017-11-27  523  
9428088c90b6f7 Ray Strode              2017-11-27  524  out_free_release:
9428088c90b6f7 Ray Strode              2017-11-27  525          
qxl_release_free(qdev, release);
9428088c90b6f7 Ray Strode              2017-11-27  526          return ret;
9428088c90b6f7 Ray Strode              2017-11-27  527  }
9428088c90b6f7 Ray Strode              2017-11-27  528  

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0-DAY CI Kernel Test Service
https://01.org/lkp

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