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[ Upstream commit736a932736] The commit010c8bbad2("drm: msm: adreno: Disable preemption on Adreno 510") added special handling for a510 (this SKU doesn't seem to support preemption, so the driver should clamp nr_rings to 1). However the gpu->revn is not yet set (it is set later, in adreno_gpu_init()) and thus the condition is always false. Check config->rev instead. Fixes:010c8bbad2("drm: msm: adreno: Disable preemption on Adreno 510") Reported-by: Adam Skladowski <a39.skl@gmail.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Tested-by: Adam Skladowski <a39.skl@gmail.com> Patchwork: https://patchwork.freedesktop.org/patch/531511/ Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.