tree: git://people.freedesktop.org/~gabbayo/linux amdkfd-next
head: c0307884529de823406fb17daf477f6af34ca5e5
commit: 88bd109688cf71dac908e5a06915996ee79fcef6 [5/8] drm/amdgpu: Add support
for resuming SDMA queues w/o HWS
config: i386-randconfig-s0-201745 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
git checkout 88bd109688cf71dac908e5a06915996ee79fcef6
# save the attached .config to linux build tree
make ARCH=i386
Note: the gabbayo/amdkfd-next HEAD c0307884529de823406fb17daf477f6af34ca5e5
builds fine.
It only hurts bisectibility.
All errors (new ones prefixed by >>):
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c: In function
'kgd_hqd_sdma_destroy':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c:540:3: error:
>> dereferencing pointer to incomplete type 'struct cik_sdma_rlc_registers'
m->sdmax_rlcx_rb_rptr = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR);
^~
vim +540 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
509
510 static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
511 unsigned int utimeout)
512 {
513 struct amdgpu_device *adev = get_amdgpu_device(kgd);
514 struct cik_sdma_rlc_registers *m;
515 uint32_t sdma_base_addr;
516 uint32_t temp;
517 unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
518
519 m = get_sdma_mqd(mqd);
520 sdma_base_addr = get_sdma_base_addr(m);
521
522 temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL);
523 temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
524 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, temp);
525
526 while (true) {
527 temp = RREG32(sdma_base_addr +
mmSDMA0_RLC0_CONTEXT_STATUS);
528 if (temp & SDMA0_STATUS_REG__RB_CMD_IDLE__SHIFT)
529 break;
530 if (time_after(jiffies, end_jiffies))
531 return -ETIME;
532 usleep_range(500, 1000);
533 }
534
535 WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0);
536 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, 0);
537 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, 0);
538 WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, 0);
539
> 540 m->sdmax_rlcx_rb_rptr = RREG32(sdma_base_addr +
> mmSDMA0_RLC0_RB_RPTR);
541
542 return 0;
543 }
544
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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