Hi Ville, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm/drm-next] [also build test ERROR on v4.18-rc1 next-20180621] [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/Ville-Syrjala/drm-gma500-Remove-unused-psbfb-variable/20180622-004333 base: git://people.freedesktop.org/~airlied/linux.git drm-next config: x86_64-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/gpu//drm/gma500/mdfld_intel_display.c: In function 'mdfld__intel_pipe_set_base': >> drivers/gpu//drm/gma500/mdfld_intel_display.c:198:10: error: 'psbfb' undeclared (first use in this function) start = psbfb->gtt->offset; ^~~~~ drivers/gpu//drm/gma500/mdfld_intel_display.c:198:10: note: each undeclared identifier is reported only once for each function it appears in vim +/psbfb +198 drivers/gpu//drm/gma500/mdfld_intel_display.c 026abc33 Kirill A. Shutemov 2012-03-08 162 026abc33 Kirill A. Shutemov 2012-03-08 163 static int mdfld__intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, 026abc33 Kirill A. Shutemov 2012-03-08 164 struct drm_framebuffer *old_fb) 026abc33 Kirill A. Shutemov 2012-03-08 165 { 026abc33 Kirill A. Shutemov 2012-03-08 166 struct drm_device *dev = crtc->dev; 213a8434 Alan Cox 2012-05-11 167 struct drm_psb_private *dev_priv = dev->dev_private; 51560195 Ville Syrjälä 2016-11-18 168 struct drm_framebuffer *fb = crtc->primary->fb; 6306865d Patrik Jakobsson 2013-07-22 169 struct gma_crtc *gma_crtc = to_gma_crtc(crtc); 6306865d Patrik Jakobsson 2013-07-22 170 int pipe = gma_crtc->pipe; 213a8434 Alan Cox 2012-05-11 171 const struct psb_offset *map = &dev_priv->regmap[pipe]; 026abc33 Kirill A. Shutemov 2012-03-08 172 unsigned long start, offset; 026abc33 Kirill A. Shutemov 2012-03-08 173 u32 dspcntr; 026abc33 Kirill A. Shutemov 2012-03-08 174 int ret; 026abc33 Kirill A. Shutemov 2012-03-08 175 026abc33 Kirill A. Shutemov 2012-03-08 176 memcpy(&globle_dev, dev, sizeof(struct drm_device)); 026abc33 Kirill A. Shutemov 2012-03-08 177 026abc33 Kirill A. Shutemov 2012-03-08 178 dev_dbg(dev->dev, "pipe = 0x%x.\n", pipe); 026abc33 Kirill A. Shutemov 2012-03-08 179 026abc33 Kirill A. Shutemov 2012-03-08 180 /* no fb bound */ 51560195 Ville Syrjälä 2016-11-18 181 if (!fb) { 026abc33 Kirill A. Shutemov 2012-03-08 182 dev_dbg(dev->dev, "No FB bound\n"); 026abc33 Kirill A. Shutemov 2012-03-08 183 return 0; 026abc33 Kirill A. Shutemov 2012-03-08 184 } 026abc33 Kirill A. Shutemov 2012-03-08 185 51560195 Ville Syrjälä 2016-11-18 186 ret = check_fb(fb); 026abc33 Kirill A. Shutemov 2012-03-08 187 if (ret) 026abc33 Kirill A. Shutemov 2012-03-08 188 return ret; 026abc33 Kirill A. Shutemov 2012-03-08 189 213a8434 Alan Cox 2012-05-11 190 if (pipe > 2) { 026abc33 Kirill A. Shutemov 2012-03-08 191 DRM_ERROR("Illegal Pipe Number.\n"); 026abc33 Kirill A. Shutemov 2012-03-08 192 return -EINVAL; 026abc33 Kirill A. Shutemov 2012-03-08 193 } 026abc33 Kirill A. Shutemov 2012-03-08 194 026abc33 Kirill A. Shutemov 2012-03-08 195 if (!gma_power_begin(dev, true)) 026abc33 Kirill A. Shutemov 2012-03-08 196 return 0; 026abc33 Kirill A. Shutemov 2012-03-08 197 026abc33 Kirill A. Shutemov 2012-03-08 @198 start = psbfb->gtt->offset; 272725c7 Ville Syrjälä 2016-12-14 199 offset = y * fb->pitches[0] + x * fb->format->cpp[0]; 026abc33 Kirill A. Shutemov 2012-03-08 200 51560195 Ville Syrjälä 2016-11-18 201 REG_WRITE(map->stride, fb->pitches[0]); 213a8434 Alan Cox 2012-05-11 202 dspcntr = REG_READ(map->cntr); 026abc33 Kirill A. Shutemov 2012-03-08 203 dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; 026abc33 Kirill A. Shutemov 2012-03-08 204 272725c7 Ville Syrjälä 2016-12-14 205 switch (fb->format->cpp[0] * 8) { 026abc33 Kirill A. Shutemov 2012-03-08 206 case 8: 026abc33 Kirill A. Shutemov 2012-03-08 207 dspcntr |= DISPPLANE_8BPP; 026abc33 Kirill A. Shutemov 2012-03-08 208 break; 026abc33 Kirill A. Shutemov 2012-03-08 209 case 16: b00c600e Ville Syrjälä 2016-12-14 210 if (fb->format->depth == 15) 026abc33 Kirill A. Shutemov 2012-03-08 211 dspcntr |= DISPPLANE_15_16BPP; 026abc33 Kirill A. Shutemov 2012-03-08 212 else 026abc33 Kirill A. Shutemov 2012-03-08 213 dspcntr |= DISPPLANE_16BPP; 026abc33 Kirill A. Shutemov 2012-03-08 214 break; 026abc33 Kirill A. Shutemov 2012-03-08 215 case 24: 026abc33 Kirill A. Shutemov 2012-03-08 216 case 32: 026abc33 Kirill A. Shutemov 2012-03-08 217 dspcntr |= DISPPLANE_32BPP_NO_ALPHA; 026abc33 Kirill A. Shutemov 2012-03-08 218 break; 026abc33 Kirill A. Shutemov 2012-03-08 219 } 213a8434 Alan Cox 2012-05-11 220 REG_WRITE(map->cntr, dspcntr); 026abc33 Kirill A. Shutemov 2012-03-08 221 026abc33 Kirill A. Shutemov 2012-03-08 222 dev_dbg(dev->dev, "Writing base %08lX %08lX %d %d\n", 026abc33 Kirill A. Shutemov 2012-03-08 223 start, offset, x, y); 213a8434 Alan Cox 2012-05-11 224 REG_WRITE(map->linoff, offset); 213a8434 Alan Cox 2012-05-11 225 REG_READ(map->linoff); 213a8434 Alan Cox 2012-05-11 226 REG_WRITE(map->surf, start); 213a8434 Alan Cox 2012-05-11 227 REG_READ(map->surf); 026abc33 Kirill A. Shutemov 2012-03-08 228 026abc33 Kirill A. Shutemov 2012-03-08 229 gma_power_end(dev); 026abc33 Kirill A. Shutemov 2012-03-08 230 026abc33 Kirill A. Shutemov 2012-03-08 231 return 0; 026abc33 Kirill A. Shutemov 2012-03-08 232 } 026abc33 Kirill A. Shutemov 2012-03-08 233 :::::: The code at line 198 was first introduced by commit :::::: 026abc333205c1fff80138b8c2cac3d0347685f4 gma500: initial medfield merge :::::: TO: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> :::::: CC: Dave Airlie <airlied@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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