diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0287-drm-vc4-Fix-a-framebuffer-reference-leak-on-async-fl.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0287-drm-vc4-Fix-a-framebuffer-reference-leak-on-async-fl.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0287-drm-vc4-Fix-a-framebuffer-reference-leak-on-async-fl.patch b/target/linux/brcm2708/patches-4.4/0287-drm-vc4-Fix-a-framebuffer-reference-leak-on-async-fl.patch new file mode 100644 index 0000000000..c32557b32f --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0287-drm-vc4-Fix-a-framebuffer-reference-leak-on-async-fl.patch @@ -0,0 +1,26 @@ +From 73902ea67be85e6a5d440fed2c53e5364125c4e1 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Fri, 5 Feb 2016 15:06:15 -0800 +Subject: [PATCH 287/381] drm/vc4: Fix a framebuffer reference leak on async + flip interrupt. + +We'd need X to queue up an async pageflip while another is +outstanding, and then take a SIGIO. I think X actually avoids sending +out the next pageflip while one's already queued, but I'm not sure. + +Signed-off-by: Eric Anholt <eric@anholt.net> +(cherry picked from commit 48627eb8dc55c60d35794105f6f79fb627347dbd) +--- + drivers/gpu/drm/vc4/vc4_crtc.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/gpu/drm/vc4/vc4_crtc.c ++++ b/drivers/gpu/drm/vc4/vc4_crtc.c +@@ -527,6 +527,7 @@ static int vc4_async_page_flip(struct dr + /* Make sure all other async modesetes have landed. */ + ret = down_interruptible(&vc4->async_modeset); + if (ret) { ++ drm_framebuffer_unreference(fb); + kfree(flip_state); + return ret; + } |