From a8d4d71c41ff0158c2026cac5981e39702167da9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 7 Apr 2016 21:25:10 +0200 Subject: brcm2708: update to latest version MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 --- ...ove-extra-barrier-s-aroudn-CTnCA-CTnEA-se.patch | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 target/linux/brcm2708/patches-4.4/0099-drm-vc4-Remove-extra-barrier-s-aroudn-CTnCA-CTnEA-se.patch (limited to 'target/linux/brcm2708/patches-4.4/0099-drm-vc4-Remove-extra-barrier-s-aroudn-CTnCA-CTnEA-se.patch') 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 +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 +--- + 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 -- cgit v1.2.3