[v3,0/2] drm/komeda: Add SMMU support on Komeda driver

Message

Lowry Li (Arm Technology China) June 12, 2019, 7:16 a.m. UTC

Hi,

This serie aims at adding the support for SMMU on Komeda driver.
Also updates the device-tree doc about how to enable SMMU by devicetree.

This patch series depends on:
- https://patchwork.freedesktop.org/series/58710/
- https://patchwork.freedesktop.org/series/59000/
- https://patchwork.freedesktop.org/series/59002/
- https://patchwork.freedesktop.org/series/61650/

Changes since v1:
- Rebase to the patch in which convert dp_wait_cond() was changed to
return -ETIMEDOUT and update d71_disconnect_iommu() to be consistent.
- If connected IOMMU failed, set mdev->iommu as NULL.

Changes since v2:
- Correct the code flow by not returning -ETIMEDOUT if dp_wait_cond()
returns zero in d71_connect_iommu().

Thanks,
Lowry

Lowry Li (Arm Technology China) (2):
  drm/komeda: Adds SMMU support
  dt/bindings: drm/komeda: Adds SMMU support for D71 devicetree

 .../devicetree/bindings/display/arm,komeda.txt     |  7 ++++
 .../gpu/drm/arm/display/komeda/d71/d71_component.c |  5 +++
 drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c   | 49 ++++++++++++++++++++++
 drivers/gpu/drm/arm/display/komeda/komeda_dev.c    | 18 ++++++++
 drivers/gpu/drm/arm/display/komeda/komeda_dev.h    |  7 ++++
 .../drm/arm/display/komeda/komeda_framebuffer.c    |  2 +
 .../drm/arm/display/komeda/komeda_framebuffer.h    |  2 +
 7 files changed, 90 insertions(+)