On 8/2/19 9:51 PM, Rob Herring wrote:
This series adds new BO allocation flags PANFROST_BO_HEAP and
PANFROST_BO_NOEXEC. The heap allocations are paged in on GPU page faults.
Tomeu reports he has tested this in the panfrost CI.
All seems to be working fine:
https://gitlab.freedesktop.org/tomeu/mesa/pipelines/53591
Cheers,
Tomeu
This is based on drm-misc-next. An updated branch is here[1].
v3:
- Retain shared irq support, splitting IRQ changes to separate patch (6/8)
- Stop leaking SG tables
- Prevent mmap and pinning pages for heap BOs
Rob
[1] git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git
panfrost/heap-noexec
Rob Herring (8):
drm/gem: Allow sparsely populated page arrays in drm_gem_put_pages
drm/shmem: Put pages independent of a SG table being set
drm/panfrost: Restructure the GEM object creation
drm/panfrost: Split panfrost_mmu_map SG list mapping to its own
function
drm/panfrost: Add a no execute flag for BO allocations
drm/panfrost: Convert MMU IRQ handler to threaded handler
drm/panfrost: Add support for GPU heap allocations
drm/panfrost: Bump driver version to 1.1
drivers/gpu/drm/drm_gem.c | 3 +
drivers/gpu/drm/drm_gem_shmem_helper.c | 4 +-
drivers/gpu/drm/panfrost/TODO | 2 -
drivers/gpu/drm/panfrost/panfrost_drv.c | 65 ++++++--
drivers/gpu/drm/panfrost/panfrost_gem.c | 106 +++++++++++--
drivers/gpu/drm/panfrost/panfrost_gem.h | 16 +-
drivers/gpu/drm/panfrost/panfrost_mmu.c | 200 ++++++++++++++++++++----
include/uapi/drm/panfrost_drm.h | 3 +
8 files changed, 333 insertions(+), 66 deletions(-)
--
2.20.1
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