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ca89b69734
At the moment the driver does not use DRM_PLANE_COMMIT_ACTIVE_ONLY, but still checks for crtc->state->active in tidss_crtc_atomic_flush(), and skips the flush if the crtc is not active. The exact reason why DRM_PLANE_COMMIT_ACTIVE_ONLY is not used has been lost in history. DRM_PLANE_COMMIT_ACTIVE_ONLY does also affect the plane updates, and I think the issue was related to multi-display systems and moving planes between the displays. However, it is possible the issue was only present on the older DSS hardware, handled by the omapdrm driver (on which the tidss driver is loosely based). Reviewing the code related to DRM_PLANE_COMMIT_ACTIVE_ONLY does not show any issues, and testing on J7 EVM with two displays works fine. Change the driver to use DRM_PLANE_COMMIT_ACTIVE_ONLY. Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com> Link: https://lore.kernel.org/r/20231109-tidss-probe-v2-11-ac91b5ea35c0@ideasonboard.com Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.