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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2016-04-07 21:25:10 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2016-04-07 21:25:10 +0200 |
commit | a8d4d71c41ff0158c2026cac5981e39702167da9 (patch) | |
tree | 0c54ec3eb59f5bab6aa7318d14c92ff875412202 /target/linux/brcm2708/patches-4.4/0099-drm-vc4-Remove-extra-barrier-s-aroudn-CTnCA-CTnEA-se.patch | |
parent | 59e0e88c22007fd77ee9c6c8e02a689889a5f597 (diff) | |
download | upstream-a8d4d71c41ff0158c2026cac5981e39702167da9.tar.gz upstream-a8d4d71c41ff0158c2026cac5981e39702167da9.tar.bz2 upstream-a8d4d71c41ff0158c2026cac5981e39702167da9.zip |
brcm2708: update to latest version
As usual these patches were extracted from the raspberry pi repo:
https://github.com/raspberrypi/linux/commits/rpi-4.4.y
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0099-drm-vc4-Remove-extra-barrier-s-aroudn-CTnCA-CTnEA-se.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0099-drm-vc4-Remove-extra-barrier-s-aroudn-CTnCA-CTnEA-se.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0099-drm-vc4-Remove-extra-barrier-s-aroudn-CTnCA-CTnEA-se.patch b/target/linux/brcm2708/patches-4.4/0099-drm-vc4-Remove-extra-barrier-s-aroudn-CTnCA-CTnEA-se.patch new file mode 100644 index 0000000000..e0862d8e3f --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0099-drm-vc4-Remove-extra-barrier-s-aroudn-CTnCA-CTnEA-se.patch @@ -0,0 +1,33 @@ +From 9db0b8d54024bf5a2d0c3239aa571d890e8c8b3a Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Fri, 23 Oct 2015 12:33:43 +0100 +Subject: [PATCH 099/232] drm/vc4: Remove extra barrier()s aroudn CTnCA/CTnEA + setup. + +The writel() that these expand to already does barriers. + +Signed-off-by: Eric Anholt <eric@anholt.net> +--- + drivers/gpu/drm/vc4/vc4_gem.c | 9 +++------ + 1 file changed, 3 insertions(+), 6 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_gem.c ++++ b/drivers/gpu/drm/vc4/vc4_gem.c +@@ -104,14 +104,11 @@ submit_cl(struct drm_device *dev, uint32 + { + struct vc4_dev *vc4 = to_vc4_dev(dev); + +- V3D_WRITE(V3D_CTNCA(thread), start); +- barrier(); +- +- /* Set the end address of the control list. Writing this +- * register is what starts the job. ++ /* Set the current and end address of the control list. ++ * Writing the end register is what starts the job. + */ ++ V3D_WRITE(V3D_CTNCA(thread), start); + V3D_WRITE(V3D_CTNEA(thread), end); +- barrier(); + } + + int |