Hi Samuel, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f02ac5c95dfd45d2f50ecc68d79177de326c668c commit: 7d57f7f7975634a7a6c5b5adcfe70450426a830b [6482/7265] drm/sun4i: Allow building the driver on RISC-V config: m68k-randconfig-r002-20220427 (https://download.01.org/0day-ci/archive/20220428/202204280029.yAaWEvM8-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7d57f7f7975634a7a6c5b5adcfe70450426a830b git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 7d57f7f7975634a7a6c5b5adcfe70450426a830b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/gpu/drm/sun4i/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-next/master HEAD f02ac5c95dfd45d2f50ecc68d79177de326c668c builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): drivers/gpu/drm/sun4i/sun4i_frontend.c: In function 'sun4i_frontend_update_buffer': >> drivers/gpu/drm/sun4i/sun4i_frontend.c:225:18: error: 'PHYS_OFFSET' undeclared (first use in this function); did you mean 'PAGE_OFFSET'? 225 | paddr -= PHYS_OFFSET; | ^~~~~~~~~~~ | PAGE_OFFSET drivers/gpu/drm/sun4i/sun4i_frontend.c:225:18: note: each undeclared identifier is reported only once for each function it appears in vim +225 drivers/gpu/drm/sun4i/sun4i_frontend.c 8a813e401fcd41 Paul Kocialkowski 2019-01-18 155 dd0421f47505bb Maxime Ripard 2018-01-22 156 void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend, dd0421f47505bb Maxime Ripard 2018-01-22 157 struct drm_plane *plane) dd0421f47505bb Maxime Ripard 2018-01-22 158 { dd0421f47505bb Maxime Ripard 2018-01-22 159 struct drm_plane_state *state = plane->state; dd0421f47505bb Maxime Ripard 2018-01-22 160 struct drm_framebuffer *fb = state->fb; 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 161 unsigned int strides[3] = {}; 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 162 dd0421f47505bb Maxime Ripard 2018-01-22 163 dma_addr_t paddr; 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 164 bool swap; dd0421f47505bb Maxime Ripard 2018-01-22 165 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 166 if (fb->modifier == DRM_FORMAT_MOD_ALLWINNER_TILED) { 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 167 unsigned int width = state->src_w >> 16; 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 168 unsigned int offset; 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 169 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 170 strides[0] = SUN4I_FRONTEND_LINESTRD_TILED(fb->pitches[0]); 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 171 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 172 /* 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 173 * The X1 offset is the offset to the bottom-right point in the 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 174 * end tile, which is the final pixel (at offset width - 1) 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 175 * within the end tile (with a 32-byte mask). 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 176 */ 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 177 offset = (width - 1) & (32 - 1); 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 178 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 179 regmap_write(frontend->regs, SUN4I_FRONTEND_TB_OFF0_REG, 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 180 SUN4I_FRONTEND_TB_OFF_X1(offset)); 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 181 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 182 if (fb->format->num_planes > 1) { 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 183 strides[1] = 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 184 SUN4I_FRONTEND_LINESTRD_TILED(fb->pitches[1]); 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 185 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 186 regmap_write(frontend->regs, SUN4I_FRONTEND_TB_OFF1_REG, 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 187 SUN4I_FRONTEND_TB_OFF_X1(offset)); 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 188 } 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 189 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 190 if (fb->format->num_planes > 2) { 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 191 strides[2] = 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 192 SUN4I_FRONTEND_LINESTRD_TILED(fb->pitches[2]); 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 193 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 194 regmap_write(frontend->regs, SUN4I_FRONTEND_TB_OFF2_REG, 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 195 SUN4I_FRONTEND_TB_OFF_X1(offset)); 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 196 } 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 197 } else { 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 198 strides[0] = fb->pitches[0]; 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 199 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 200 if (fb->format->num_planes > 1) 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 201 strides[1] = fb->pitches[1]; 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 202 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 203 if (fb->format->num_planes > 2) 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 204 strides[2] = fb->pitches[2]; 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 205 } 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 206 dd0421f47505bb Maxime Ripard 2018-01-22 207 /* Set the line width */ dd0421f47505bb Maxime Ripard 2018-01-22 208 DRM_DEBUG_DRIVER("Frontend stride: %d bytes\n", fb->pitches[0]); dd0421f47505bb Maxime Ripard 2018-01-22 209 regmap_write(frontend->regs, SUN4I_FRONTEND_LINESTRD0_REG, 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 210 strides[0]); dd0421f47505bb Maxime Ripard 2018-01-22 211 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 212 if (fb->format->num_planes > 1) 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 213 regmap_write(frontend->regs, SUN4I_FRONTEND_LINESTRD1_REG, 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 214 strides[1]); 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 215 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 216 if (fb->format->num_planes > 2) 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 217 regmap_write(frontend->regs, SUN4I_FRONTEND_LINESTRD2_REG, 9042e3fb7e22d0 Paul Kocialkowski 2019-01-18 218 strides[2]); 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 219 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 220 /* Some planar formats require chroma channel swapping by hand. */ 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 221 swap = sun4i_frontend_format_chroma_requires_swap(fb->format->format); 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 222 dd0421f47505bb Maxime Ripard 2018-01-22 223 /* Set the physical address of the buffer in memory */ dd0421f47505bb Maxime Ripard 2018-01-22 224 paddr = drm_fb_cma_get_gem_addr(fb, state, 0); dd0421f47505bb Maxime Ripard 2018-01-22 @225 paddr -= PHYS_OFFSET; 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 226 DRM_DEBUG_DRIVER("Setting buffer #0 address to %pad\n", &paddr); dd0421f47505bb Maxime Ripard 2018-01-22 227 regmap_write(frontend->regs, SUN4I_FRONTEND_BUF_ADDR0_REG, paddr); 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 228 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 229 if (fb->format->num_planes > 1) { 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 230 paddr = drm_fb_cma_get_gem_addr(fb, state, swap ? 2 : 1); 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 231 paddr -= PHYS_OFFSET; 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 232 DRM_DEBUG_DRIVER("Setting buffer #1 address to %pad\n", &paddr); 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 233 regmap_write(frontend->regs, SUN4I_FRONTEND_BUF_ADDR1_REG, 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 234 paddr); 9afe52d54bb0d7 Paul Kocialkowski 2019-01-18 235 } 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 236 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 237 if (fb->format->num_planes > 2) { 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 238 paddr = drm_fb_cma_get_gem_addr(fb, state, swap ? 1 : 2); 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 239 paddr -= PHYS_OFFSET; 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 240 DRM_DEBUG_DRIVER("Setting buffer #2 address to %pad\n", &paddr); 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 241 regmap_write(frontend->regs, SUN4I_FRONTEND_BUF_ADDR2_REG, 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 242 paddr); 8c8152bf4db6ce Paul Kocialkowski 2019-01-18 243 } dd0421f47505bb Maxime Ripard 2018-01-22 244 } dd0421f47505bb Maxime Ripard 2018-01-22 245 EXPORT_SYMBOL(sun4i_frontend_update_buffer); dd0421f47505bb Maxime Ripard 2018-01-22 246 :::::: The code at line 225 was first introduced by commit :::::: dd0421f47505bbbe30a4ce37b51a5c127b8754dc drm/sun4i: Add a driver for the display frontend :::::: TO: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> :::::: CC: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp
