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This backend interacts with the new DRM driver for Midgard GPUs which is currently in development. When using this backend, Panfrost has roughly on-par functionality as when using the non-DRM driver from Arm. Alyssa Rosenzweig: To do so, we implement additional routines for runtime GPU version detection and fencing. We cleanup some duplicate code interfering with the new driver. We fix a long-standing memory leak which is aggravated on the new driver. Finally, we implement BO import/export in a way compatible with the new driver. These changes are squashed to preserve bisectability given the hard-to-track ABI shifts in the nondrm module Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> |
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| .. | ||
| drm.h | ||
| drm_fourcc.h | ||
| drm_mode.h | ||
| i915_drm.h | ||
| panfrost_drm.h | ||
| README | ||
| tegra_drm.h | ||
| v3d_drm.h | ||
| vc4_drm.h | ||
This directory contains a copy of the installed kernel headers
required by several drivers to communicate with the kernel.
Whenever one of those driver needs new definitions for new kernel
APIs, these files should be updated.
These files in master should only be updated once the changes have landed
in the drm-next tree.
You can copy files installed after running this from the kernel
repository, at version the drivers require :
$ make headers_install INSTALL_HDR_PATH=/path/to/install
The last update was done at the following kernel commit :
commit a5f2fafece141ef3509e686cea576366d55cabb6
Merge: 71f4e45a4ed3 860433ed2a55
Author: Dave Airlie <airlied@redhat.com>
Date: Wed Feb 20 12:16:30 2019 +1000
Merge https://gitlab.freedesktop.org/drm/msm into drm-next