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2dc80b0065
amdgpu_device_resume() & amdgpu_device_init() have a high time consuming call of amdgpu_late_init() which sets the clock_gating state of all IP blocks and is blocking. This patch defers only this setting of clock gating state operation to post resume of amdgpu driver but ideally before the UI comes up or in some cases post ui as well. With this change the resume time of amdgpu_device comes down from 1.299s to 0.199s which further helps in reducing the overall system resume time. V1: made the optimization applicable during driver load as well. TEST:(For ChromiumOS on STONEY only) * UI comes up * amdgpu_late_init() call gets called consistently and no errors reported. Signed-off-by: Shirish S <shirish.s@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.