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[Why] With single display odm 2:1 policy, when moving windowed MPO across the display, we experience a momentary lag when we move between the centre of the display and the right half of the display. This is caused by the MPO pipe being reallocated when it crosses this boundary [How] Handle two cases: 1. if the head pipe has a MPO pipe already allocated in the old context, then use that pipe if it is available in the current context 2. if the head pipe is on the left side, check the right side to see if it has a MPO pipe already allocated. If so, don't use that pipe if it is selected as the idle pipe in the current context Add new function pointer called .acquire_idle_pipe_for_head_pipe that will pass in the head pipe and handle case 1 Add find_idle_secondary_pipe_check_mpo() to handle case 2 if we don't hit case 1. In dc_add_plane_to_context(), start with head pipe and check case 1 and 2 in call acquire_free_pipe_for_head(). If we are on the right side of the display, check case 1 again by passing in right side pipe as the new head in call acquire_free_pipe_for_head(). Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Reviewed-by: Ariel Bernstein <Eric.Bernstein@amd.com> Acked-by: Solomon Chiu <solomon.chiu@amd.com> Signed-off-by: Samson Tam <Samson.Tam@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| 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.