Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/xe/xe3p: Skip TD flush
Xe3p has HW ability to do transient display flush so the xe driver can
enable this HW feature by default and skip the software TD flush.
Bspec: 60002
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
Link: https://patch.msgid.link/20260305121902.1892593-10-tejas.upadhyay@intel.com
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
+8
+8
drivers/gpu/drm/xe/xe_device.c
+8
drivers/gpu/drm/xe/xe_device.c
···
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{
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struct xe_gt *root_gt;
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+
/*
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* From Xe3p onward the HW takes care of flush of TD entries also along
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+
* with flushing XA entries, which will be at the usual sync points,
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* like at the end of submission, so no manual flush is needed here.
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+
*/
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if (GRAPHICS_VER(xe) >= 35)
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return;
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+
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if (!IS_DGFX(xe) || GRAPHICS_VER(xe) < 20)
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return;
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