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Subject[PATCH 0/2] drm/msm: Add the MSM_WAIT_IOVA ioctl
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This patch set implements the MSM_WAIT_IOVA ioctl which lets
userspace sleep until the value at a given iova reaches a certain
condition. This is needed in turnip to implement the
VK_QUERY_RESULT_WAIT_BIT flag for vkGetQueryPoolResults.

First, we add a GPU-wide wait queue that is signaled on all IRQs.
We can then wait on this wait queue inside MSM_WAIT_IOVA until the
condition is met.

The corresponding merge request in mesa can be found at:
https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3279

Brian Ho (2):
drm/msm: Add a GPU-wide wait queue
drm/msm: Add MSM_WAIT_IOVA ioctl

drivers/gpu/drm/msm/msm_drv.c | 63 +++++++++++++++++++++++++++++++++--
drivers/gpu/drm/msm/msm_gpu.c | 4 +++
drivers/gpu/drm/msm/msm_gpu.h | 3 ++
include/uapi/drm/msm_drm.h | 13 ++++++++
4 files changed, 81 insertions(+), 2 deletions(-)

--
2.25.0.rc1.283.g88dfdc4193-goog

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