brcm2708: remove linux 4.4 support

[openwrt/staging/yousong.git] / target / linux / brcm2708 / patches-4.4 / 0460-drm-vc4-Return-EBUSY-if-there-s-already-a-pending-fl.patch

diff --git a/target/linux/brcm2708/patches-4.4/0460-drm-vc4-Return-EBUSY-if-there-s-already-a-pending-fl.patch b/target/linux/brcm2708/patches-4.4/0460-drm-vc4-Return-EBUSY-if-there-s-already-a-pending-fl.patch
deleted file mode 100644 (file)
index ae76d25..0000000
--- a/target/linux/brcm2708/patches-4.4/0460-drm-vc4-Return-EBUSY-if-there-s-already-a-pending-fl.patch
+++ /dev/null
@@ -1,44 +0,0 @@
-From 52367e61f8707fe5e22aabf3c769e27f11aa3300 Mon Sep 17 00:00:00 2001
-From: Robert Foss <robert.foss@collabora.com>
-Date: Tue, 3 May 2016 13:48:20 -0400
-Subject: [PATCH] drm/vc4: Return -EBUSY if there's already a pending flip
- event.
-
-As per the documentation in drm_crtc.h, atomic_commit should return
--EBUSY if an asynchronous update is requested and there is an earlier
-update pending.
-
-v2: Rebase on the s/async/nonblock/ change.
-
-Signed-off-by: Robert Foss <robert.foss@collabora.com>
-Reviewed-by: Eric Anholt <eric@anholt.net>
-(cherry picked from commit e7c31f6f25b84fed961dc0dce6248878527693ae)
----
- drivers/gpu/drm/vc4/vc4_kms.c | 16 ++++++++++++----
- 1 file changed, 12 insertions(+), 4 deletions(-)
-
---- a/drivers/gpu/drm/vc4/vc4_kms.c
-+++ b/drivers/gpu/drm/vc4/vc4_kms.c
-@@ -119,10 +119,18 @@ static int vc4_atomic_commit(struct drm_
-               return -ENOMEM;
- 
-       /* Make sure that any outstanding modesets have finished. */
--      ret = down_interruptible(&vc4->async_modeset);
--      if (ret) {
--              kfree(c);
--              return ret;
-+      if (nonblock) {
-+              ret = down_trylock(&vc4->async_modeset);
-+              if (ret) {
-+                      kfree(c);
-+                      return -EBUSY;
-+              }
-+      } else {
-+              ret = down_interruptible(&vc4->async_modeset);
-+              if (ret) {
-+                      kfree(c);
-+                      return ret;
-+              }
-       }
- 
-       ret = drm_atomic_helper_prepare_planes(dev, state);