1. 28 Feb, 2019 4 commits
  2. 27 Feb, 2019 3 commits
  3. 26 Feb, 2019 3 commits
  4. 21 Feb, 2019 9 commits
  5. 20 Feb, 2019 2 commits
    • Christian König's avatar
      drm/amdgpu: fix dma mask check in gmc_v6_0.c · 1fdafbd0
      Christian König authored
      This got messed up by "drm: change func to better detect wether swiotlb
      is needed".
      Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
      Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
      Reviewed-by: default avatarMichael D Labriola <michael.d.labriola@gmail.com>
      Link: https://patchwork.freedesktop.org/patch/287070/
      1fdafbd0
    • Michael D Labriola's avatar
      drm: change func to better detect wether swiotlb is needed · 913b2cb7
      Michael D Labriola authored
      This commit fixes DRM failures on Xen PV systems that were introduced in
      v4.17 by the following commits:
      
      82626363 drm: add func to get max iomem address v2
      fd5fd480 drm/amdgpu: only enable swiotlb alloc when need v2
      1bc3d3cc drm/radeon: only enable swiotlb path when need v2
      
      The introduction of ->need_swiotlb to the ttm_dma_populate() conditionals
      in the radeon and amdgpu device drivers causes Gnome to immediately crash
      on Xen PV systems, returning the user to the login screen.  The following
      kernel errors get logged:
      
      [   28.554259] radeon_dp_aux_transfer_native: 200 callbacks suppressed
      [   31.219821] radeon 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes)
      [   31.220030] [drm:radeon_gem_object_create [radeon]] *ERROR* Failed to allocate GEM object (16384000, 2, 4096, -14)
      [   31.226109] radeon 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes)
      [   31.226300] [drm:radeon_gem_object_create [radeon]] *ERROR* Failed to allocate GEM object (16384000, 2, 4096, -14)
      [   31.300734] gnome-shell[1935]: segfault at 88 ip 00007f39151cd904 sp 00007ffc97611ad8 error 4 in libmutter-cogl.so[7f3915178000+aa000]
      [   31.300745] Code: 5f c3 0f 1f 40 00 48 8b 47 78 48 8b 40 40 ff e0 66 0f 1f 44 00 00 48 8b 47 78 48 8b 40 48 ff e0 66 0f 1f 44 00 00 48 8b 47 78 <48> 8b 80 88 00 00 00 ff e0 0f 1f 00 48 8b 47 78 48 8b 40 68 ff e0
      [   38.193302] radeon_dp_aux_transfer_native: 116 callbacks suppressed
      [   40.009317] radeon 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes)
      [   40.009488] [drm:radeon_gem_object_create [radeon]] *ERROR* Failed to allocate GEM object (16384000, 2, 4096, -14)
      [   40.015114] radeon 0000:01:00.0: swiotlb buffer is full (sz: 2097152 bytes)
      [   40.015297] [drm:radeon_gem_object_create [radeon]] *ERROR* Failed to allocate GEM object (16384000, 2, 4096, -14)
      [   40.028302] gnome-shell[2431]: segfault at 2dadf40 ip 0000000002dadf40 sp 00007ffcd24ea5f8 error 15
      [   40.028306] Code: 20 6e 31 00 00 00 00 00 00 00 00 37 e3 3d 2d 7f 00 00 80 f4 e6 3d 2d 7f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 c1 00 00 00 00 00 00 00 80 e1 d2 03 00 00
      
      This commit renames drm_get_max_iomem() to drm_need_swiotlb(), adds a
      xen_pv_domain() check to it, and moves the bit shifting comparison that
      always follows its usage into the function (simplifying the drm driver
      code).
      Signed-off-by: default avatarMichael D Labriola <michael.d.labriola@gmail.com>
      Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
      Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
      Link: https://patchwork.freedesktop.org/patch/286987/
      913b2cb7
  6. 19 Feb, 2019 19 commits