1. 23 Apr, 2019 11 commits
  2. 22 Apr, 2019 1 commit
  3. 20 Apr, 2019 1 commit
  4. 19 Apr, 2019 1 commit
  5. 18 Apr, 2019 11 commits
  6. 17 Apr, 2019 8 commits
  7. 16 Apr, 2019 5 commits
  8. 12 Apr, 2019 2 commits
    • Rob Herring's avatar
      drm/panfrost: Add support for 2MB page entries · 4dff47c7
      Rob Herring authored
      Add support for 2MB sized pages. This will improve our map and unmap
      times and save a bit of memory by avoiding 3rd level page tables for
      contiguous allocations.
      
      As we use shmem for buffers and huge page allocations for shmem are off
      by default, there isn't an improvement out of the box and userspace must
      enable THP for shmem.
      
      It's not clear if the h/w can support 1GB page sizes which standard
      ARM long format descriptors support. In any case, it is unlikely we'll
      see any contiguous 1GB allocations on current h/w.
      
      Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
      Cc: David Airlie <airlied@linux.ie>
      Cc: Daniel Vetter <daniel@ffwll.ch>
      Signed-off-by: default avatarRob Herring <robh@kernel.org>
      Acked-by: default avatarAlyssa Rosenzweig <alyssa@rosenzweig.io>
      Reviewed-by: default avatarSteven Price <steven.price@arm.com>
      Acked-by: default avatarTomeu Vizoso <tomeu.vizoso@collabora.com>
      Link: https://patchwork.freedesktop.org/patch/msgid/20190411215313.1937-1-robh@kernel.org
      4dff47c7
    • Rob Herring's avatar
      drm/panfrost: Add initial panfrost driver · f3ba9122
      Rob Herring authored
      This adds the initial driver for panfrost which supports Arm Mali
      Midgard and Bifrost family of GPUs. Currently, only the T860 and
      T760 Midgard GPUs have been tested.
      
      v2:
      - Add GPU reset on job hangs (Tomeu)
      - Add RuntimePM and devfreq support (Tomeu)
      - Fix T760 support (Tomeu)
      - Add a TODO file (Rob, Tomeu)
      - Support multiple in fences (Tomeu)
      - Drop support for shared fences (Tomeu)
      - Fill in MMU de-init (Rob)
      - Move register definitions back to single header (Rob)
      - Clean-up hardcoded job submit todos (Rob)
      - Implement feature setup based on features/issues (Rob)
      - Add remaining Midgard DT compatible strings (Rob)
      
      v3:
      - Add support for reset lines (Neil)
      - Add a MAINTAINERS entry (Rob)
      - Call dma_set_mask_and_coherent (Rob)
      - Do MMU invalidate on map and unmap. Restructure to do a single
        operation per map/unmap call. (Rob)
      - Add a missing explicit padding to struct drm_panfrost_create_bo (Rob)
      - Fix 0-day error: "panfrost_devfreq.c:151:9-16: ERROR: PTR_ERR applied after initialization to constant on line 150"
      - Drop HW_FEATURE_AARCH64_MMU conditional (Rob)
      - s/DRM_PANFROST_PARAM_GPU_ID/DRM_PANFROST_PARAM_GPU_PROD_ID/ (Rob)
      - Check drm_gem_shmem_prime_import_sg_table() error code (Rob)
      - Re-order power on sequence (Rob)
      - Move panfrost_acquire_object_fences() before scheduling job (Rob)
      - Add NULL checks on array pointers in job clean-up (Rob)
      - Rework devfreq (Tomeu)
      - Fix devfreq init with no regulator (Rob)
      - Various WS and comments clean-up (Rob)
      
      Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
      Cc: Maxime Ripard <maxime.ripard@bootlin.com>
      Cc: Sean Paul <sean@poorly.run>
      Cc: David Airlie <airlied@linux.ie>
      Cc: Daniel Vetter <daniel@ffwll.ch>
      Cc: Lyude Paul <lyude@redhat.com>
      Reviewed-by: default avatarAlyssa Rosenzweig <alyssa@rosenzweig.io>
      Reviewed-by: default avatarEric Anholt <eric@anholt.net>
      Reviewed-by: default avatarSteven Price <steven.price@arm.com>
      Signed-off-by: default avatarMarty E. Plummer <hanetzer@startmail.com>
      Signed-off-by: default avatarTomeu Vizoso <tomeu.vizoso@collabora.com>
      Signed-off-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
      Signed-off-by: default avatarRob Herring <robh@kernel.org>
      Link: https://patchwork.freedesktop.org/patch/msgid/20190409205427.6943-4-robh@kernel.org
      f3ba9122