Hi Peter, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.19-rc3 next-20180910] [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/Peter-Wu/qxl-refactor-to-use-drm_fb_helper_fbdev_setup/20180911-071413 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) drivers/gpu/drm/qxl/qxl_drv.c:144:9: sparse: undefined identifier 'qxl_fbdev_set_suspend' drivers/gpu/drm/qxl/qxl_drv.c:181:9: sparse: undefined identifier 'qxl_fbdev_set_suspend' >> drivers/gpu/drm/qxl/qxl_drv.c:144:30: sparse: call with no type! drivers/gpu/drm/qxl/qxl_drv.c:181:30: sparse: call with no type! drivers/gpu/drm/qxl/qxl_drv.c: In function 'qxl_drm_freeze': drivers/gpu/drm/qxl/qxl_drv.c:144:2: error: implicit declaration of function 'qxl_fbdev_set_suspend'; did you mean 'fb_set_suspend'? [-Werror=implicit-function-declaration] qxl_fbdev_set_suspend(qdev, 1); ^~~~~~~~~~~~~~~~~~~~~ fb_set_suspend cc1: some warnings being treated as errors -- >> drivers/gpu/drm/qxl/qxl_fb.c:166:21: sparse: incorrect type in assignment (different address spaces) @@ expected char const *data @@ got char [noderchar const *data @@ drivers/gpu/drm/qxl/qxl_fb.c:166:21: expected char const *data drivers/gpu/drm/qxl/qxl_fb.c:166:21: got char [noderef] <asn:2>* include/linux/overflow.h:251:13: sparse: undefined identifier '__builtin_mul_overflow' include/linux/overflow.h:251:13: sparse: incorrect type in conditional include/linux/overflow.h:251:13: got void include/linux/overflow.h:251:13: sparse: call with no type! vim +166 drivers/gpu/drm/qxl/qxl_fb.c 130 131 /* 132 * FIXME 133 * It should not be necessary to have a special dirty() callback for fbdev. 134 */ 135 static int qxlfb_framebuffer_dirty(struct drm_framebuffer *fb, 136 struct drm_file *file_priv, 137 unsigned flags, unsigned color, 138 struct drm_clip_rect *clips, 139 unsigned num_clips) 140 { 141 struct qxl_device *qdev = fb->dev->dev_private; 142 struct fb_info *info = qdev->fb_helper.fbdev; 143 struct qxl_fb_image qxl_fb_image; 144 struct fb_image *image = &qxl_fb_image.fb_image; 145 146 /* TODO: hard coding 32 bpp */ 147 int stride = fb->pitches[0]; 148 149 /* 150 * we are using a shadow draw buffer, at qdev->surface0_shadow 151 */ 152 image->dx = clips->x1; 153 image->dy = clips->y1; 154 image->width = clips->x2 - clips->x1; 155 image->height = clips->y2 - clips->y1; 156 image->fg_color = 0xffffffff; /* unused, just to avoid uninitialized 157 warnings */ 158 image->bg_color = 0; 159 image->depth = 32; /* TODO: take from somewhere? */ 160 image->cmap.start = 0; 161 image->cmap.len = 0; 162 image->cmap.red = NULL; 163 image->cmap.green = NULL; 164 image->cmap.blue = NULL; 165 image->cmap.transp = NULL; > 166 image->data = info->screen_base + (clips->x1 * 4) + (stride * clips->y1); 167 168 qxl_fb_image_init(&qxl_fb_image, qdev, info, NULL); 169 qxl_draw_opaque_fb(&qxl_fb_image, stride); 170 171 return 0; 172 } 173 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
