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Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0572-drm-v3d-Invalidate-the-caches-from-the-outside-in.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0572-drm-v3d-Invalidate-the-caches-from-the-outside-in.patch36
1 files changed, 0 insertions, 36 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0572-drm-v3d-Invalidate-the-caches-from-the-outside-in.patch b/target/linux/brcm2708/patches-4.19/950-0572-drm-v3d-Invalidate-the-caches-from-the-outside-in.patch
deleted file mode 100644
index b7c706508f..0000000000
--- a/target/linux/brcm2708/patches-4.19/950-0572-drm-v3d-Invalidate-the-caches-from-the-outside-in.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-From e106cc466d4e85d294dd211984d9bc2aeb926f5a Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Mon, 3 Dec 2018 14:24:38 -0800
-Subject: [PATCH 572/773] drm/v3d: Invalidate the caches from the outside in.
-
-This would be a fairly obscure race, but let's make sure we don't ever
-lose it.
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
-Link: https://patchwork.freedesktop.org/patch/msgid/20181203222438.25417-6-eric@anholt.net
-Reviewed-by: Dave Emett <david.emett@broadcom.com>
-(cherry picked from commit aa5beec32e8b78bfcf621e3c3daebfb1644b6365)
----
- drivers/gpu/drm/v3d/v3d_gem.c | 8 ++++++--
- 1 file changed, 6 insertions(+), 2 deletions(-)
-
---- a/drivers/gpu/drm/v3d/v3d_gem.c
-+++ b/drivers/gpu/drm/v3d/v3d_gem.c
-@@ -171,11 +171,15 @@ v3d_invalidate_slices(struct v3d_dev *v3
- void
- v3d_invalidate_caches(struct v3d_dev *v3d)
- {
-+ /* Invalidate the caches from the outside in. That way if
-+ * another CL's concurrent use of nearby memory were to pull
-+ * an invalidated cacheline back in, we wouldn't leave stale
-+ * data in the inner cache.
-+ */
- v3d_flush_l3(v3d);
--
- v3d_invalidate_l2c(v3d, 0);
-- v3d_invalidate_slices(v3d, 0);
- v3d_flush_l2t(v3d, 0);
-+ v3d_invalidate_slices(v3d, 0);
- }
-
- static void