Hi Ramalingam, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm/drm-next drm-tip/drm-tip next-20220318] [cannot apply to v5.17-rc8] [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/0day-ci/linux/commits/Ramalingam-C/drm-i915-ttm-Evict-and-restore-of-compressed-object/20220320-044242 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220320/202203200912.4mqFVTe9-lkp@xxxxxxxxx/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/afd58bdbf43437bf72ff2313776c3036ebf99a11 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ramalingam-C/drm-i915-ttm-Evict-and-restore-of-compressed-object/20220320-044242 git checkout afd58bdbf43437bf72ff2313776c3036ebf99a11 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/linux/kernel.h:29, from arch/x86/include/asm/percpu.h:27, from arch/x86/include/asm/current.h:6, from arch/x86/include/asm/processor.h:17, from arch/x86/include/asm/kvm_para.h:5, from arch/x86/include/asm/hypervisor.h:37, from drivers/gpu/drm/i915/i915_drv.h:35, from drivers/gpu/drm/i915/gt/intel_migrate.c:6: drivers/gpu/drm/i915/gt/selftest_migrate.c: In function 'clear': >> include/linux/kern_levels.h:5:18: error: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'unsigned int' [-Werror=format=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:418:11: note: in definition of macro 'printk_index_wrap' 418 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:489:2: note: in expansion of macro 'printk' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:489:9: note: in expansion of macro 'KERN_ERR' 489 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ drivers/gpu/drm/i915/gt/selftest_migrate.c:403:6: note: in expansion of macro 'pr_err' 403 | pr_err("%ps ccs clearing failed, offset: %d/%lu\n", | ^~~~~~ In file included from drivers/gpu/drm/i915/gt/intel_migrate.c:1014: drivers/gpu/drm/i915/gt/selftest_migrate.c:403:52: note: format string is defined here 403 | pr_err("%ps ccs clearing failed, offset: %d/%lu\n", | ~~^ | | | long unsigned int | %u drivers/gpu/drm/i915/gt/intel_migrate.c: In function 'intel_context_copy_ccs': >> drivers/gpu/drm/i915/gt/selftest_migrate.c:157:19: error: 'rq' is used uninitialized in this function [-Werror=uninitialized] 157 | offset += (u64)rq->engine->instance << 32; | ~~^~~~~~~~ cc1: all warnings being treated as errors vim +/rq +157 drivers/gpu/drm/i915/gt/selftest_migrate.c 134 135 static int intel_context_copy_ccs(struct intel_context *ce, 136 const struct i915_deps *deps, 137 struct scatterlist *sg, 138 enum i915_cache_level cache_level, 139 bool write_to_ccs, 140 struct i915_request **out) 141 { 142 u8 src_access = write_to_ccs ? DIRECT_ACCESS : INDIRECT_ACCESS; 143 u8 dst_access = write_to_ccs ? INDIRECT_ACCESS : DIRECT_ACCESS; 144 struct sgt_dma it = sg_sgt(sg); 145 struct i915_request *rq; 146 u32 offset; 147 int err; 148 149 GEM_BUG_ON(ce->vm != ce->engine->gt->migrate.context->vm); 150 *out = NULL; 151 152 GEM_BUG_ON(ce->ring->size < SZ_64K); 153 154 offset = 0; 155 if (HAS_64K_PAGES(ce->engine->i915)) 156 offset = CHUNK_SZ; > 157 offset += (u64)rq->engine->instance << 32; 158 159 do { 160 int len; 161 162 rq = i915_request_create(ce); 163 if (IS_ERR(rq)) { 164 err = PTR_ERR(rq); 165 goto out_ce; 166 } 167 168 if (deps) { 169 err = i915_request_await_deps(rq, deps); 170 if (err) 171 goto out_rq; 172 173 if (rq->engine->emit_init_breadcrumb) { 174 err = rq->engine->emit_init_breadcrumb(rq); 175 if (err) 176 goto out_rq; 177 } 178 179 deps = NULL; 180 } 181 182 /* The PTE updates + clear must not be interrupted. */ 183 err = emit_no_arbitration(rq); 184 if (err) 185 goto out_rq; 186 187 len = emit_pte(rq, &it, cache_level, true, offset, CHUNK_SZ); 188 if (len <= 0) { 189 err = len; 190 goto out_rq; 191 } 192 193 err = rq->engine->emit_flush(rq, EMIT_INVALIDATE); 194 if (err) 195 goto out_rq; 196 197 err = emit_copy_ccs(rq, offset, dst_access, 198 offset, src_access, len); 199 if (err) 200 goto out_rq; 201 202 err = rq->engine->emit_flush(rq, EMIT_INVALIDATE | 203 MI_FLUSH_DW_CCS); 204 205 /* Arbitration is re-enabled between requests. */ 206 out_rq: 207 if (*out) 208 i915_request_put(*out); 209 *out = i915_request_get(rq); 210 i915_request_add(rq); 211 if (err || !it.sg || !sg_dma_len(it.sg)) 212 break; 213 214 cond_resched(); 215 } while (1); 216 217 out_ce: 218 return err; 219 } 220 -- 0-DAY CI Kernel Test Service https://01.org/lkp
