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commit7a3727f385upstream. The SF and clipper units mishandle the provoking vertex in some cases, which can cause misrendering with shaders that use flat shaded inputs. There are chicken bits in 3D_CHICKEN3 (for SF) and FF_SLICE_CHICKEN (for the clipper) that work around the issue. These registers are unfortunately not part of the logical context (even the power context), and so we must reload them every time we start executing in a context. Bugzilla: https://bugs.freedesktop.org/103047 Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180615190605.16238-1-chris@chris-wilson.co.uk Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: stable@vger.kernel.org (cherry picked from commitb77422f803) Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.