tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c
commit: f39db26c54281da6a785259498ca74b5e470476f drm: Add kms driver for loongson display controller
date: 4 months ago
:::::: branch date: 11 hours ago
:::::: commit date: 4 months ago
config: loongarch-randconfig-r111-20231115 (https://download.01.org/0day-ci/archive/20231115/[email protected]/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231115/[email protected]/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/r/[email protected]/
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/loongson/lsdc_plane.c:268:42: sparse: sparse: self-comparison always evaluates to false
vim +268 drivers/gpu/drm/loongson/lsdc_plane.c
f39db26c54281d Sui Jingfeng 2023-06-15 225
f39db26c54281d Sui Jingfeng 2023-06-15 226 static void lsdc_cursor_plane_atomic_async_update(struct drm_plane *plane,
f39db26c54281d Sui Jingfeng 2023-06-15 227 struct drm_atomic_state *state)
f39db26c54281d Sui Jingfeng 2023-06-15 228 {
f39db26c54281d Sui Jingfeng 2023-06-15 229 struct lsdc_cursor *cursor = to_lsdc_cursor(plane);
f39db26c54281d Sui Jingfeng 2023-06-15 230 const struct lsdc_cursor_plane_ops *ops = cursor->ops;
f39db26c54281d Sui Jingfeng 2023-06-15 231 struct drm_framebuffer *old_fb = plane->state->fb;
f39db26c54281d Sui Jingfeng 2023-06-15 232 struct drm_framebuffer *new_fb;
f39db26c54281d Sui Jingfeng 2023-06-15 233 struct drm_plane_state *new_state;
f39db26c54281d Sui Jingfeng 2023-06-15 234
f39db26c54281d Sui Jingfeng 2023-06-15 235 new_state = drm_atomic_get_new_plane_state(state, plane);
f39db26c54281d Sui Jingfeng 2023-06-15 236
f39db26c54281d Sui Jingfeng 2023-06-15 237 new_fb = plane->state->fb;
f39db26c54281d Sui Jingfeng 2023-06-15 238
f39db26c54281d Sui Jingfeng 2023-06-15 239 plane->state->crtc_x = new_state->crtc_x;
f39db26c54281d Sui Jingfeng 2023-06-15 240 plane->state->crtc_y = new_state->crtc_y;
f39db26c54281d Sui Jingfeng 2023-06-15 241 plane->state->crtc_h = new_state->crtc_h;
f39db26c54281d Sui Jingfeng 2023-06-15 242 plane->state->crtc_w = new_state->crtc_w;
f39db26c54281d Sui Jingfeng 2023-06-15 243 plane->state->src_x = new_state->src_x;
f39db26c54281d Sui Jingfeng 2023-06-15 244 plane->state->src_y = new_state->src_y;
f39db26c54281d Sui Jingfeng 2023-06-15 245 plane->state->src_h = new_state->src_h;
f39db26c54281d Sui Jingfeng 2023-06-15 246 plane->state->src_w = new_state->src_w;
f39db26c54281d Sui Jingfeng 2023-06-15 247 swap(plane->state->fb, new_state->fb);
f39db26c54281d Sui Jingfeng 2023-06-15 248
f39db26c54281d Sui Jingfeng 2023-06-15 249 if (new_state->visible) {
f39db26c54281d Sui Jingfeng 2023-06-15 250 enum lsdc_cursor_size cursor_size;
f39db26c54281d Sui Jingfeng 2023-06-15 251
f39db26c54281d Sui Jingfeng 2023-06-15 252 switch (new_state->crtc_w) {
f39db26c54281d Sui Jingfeng 2023-06-15 253 case 64:
f39db26c54281d Sui Jingfeng 2023-06-15 254 cursor_size = CURSOR_SIZE_64X64;
f39db26c54281d Sui Jingfeng 2023-06-15 255 break;
f39db26c54281d Sui Jingfeng 2023-06-15 256 case 32:
f39db26c54281d Sui Jingfeng 2023-06-15 257 cursor_size = CURSOR_SIZE_32X32;
f39db26c54281d Sui Jingfeng 2023-06-15 258 break;
f39db26c54281d Sui Jingfeng 2023-06-15 259 default:
f39db26c54281d Sui Jingfeng 2023-06-15 260 cursor_size = CURSOR_SIZE_32X32;
f39db26c54281d Sui Jingfeng 2023-06-15 261 break;
f39db26c54281d Sui Jingfeng 2023-06-15 262 }
f39db26c54281d Sui Jingfeng 2023-06-15 263
f39db26c54281d Sui Jingfeng 2023-06-15 264 ops->update_position(cursor, new_state->crtc_x, new_state->crtc_y);
f39db26c54281d Sui Jingfeng 2023-06-15 265
f39db26c54281d Sui Jingfeng 2023-06-15 266 ops->update_cfg(cursor, cursor_size, CURSOR_FORMAT_ARGB8888);
f39db26c54281d Sui Jingfeng 2023-06-15 267
f39db26c54281d Sui Jingfeng 2023-06-15 @268 if (!old_fb || old_fb != new_fb)
f39db26c54281d Sui Jingfeng 2023-06-15 269 ops->update_bo_addr(cursor, lsdc_fb_base_addr(new_fb));
f39db26c54281d Sui Jingfeng 2023-06-15 270 }
f39db26c54281d Sui Jingfeng 2023-06-15 271 }
f39db26c54281d Sui Jingfeng 2023-06-15 272
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