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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2017-03-08 09:46:30 +0100 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2017-03-08 09:54:01 +0100 |
commit | 8b52a8906bf376610e5a8d051ead1d50610e6da1 (patch) | |
tree | f8e0b6467501c56f03fc6782433a765417b21ce5 /target/linux/brcm2708/patches-4.4/0579-drm-vc4-Fix-sending-of-page-flip-completion-events-i.patch | |
parent | b3ba3764d0e81097229ffeb0eff9d72ee42a801d (diff) | |
download | mtk-20170518-8b52a8906bf376610e5a8d051ead1d50610e6da1.zip mtk-20170518-8b52a8906bf376610e5a8d051ead1d50610e6da1.tar.gz mtk-20170518-8b52a8906bf376610e5a8d051ead1d50610e6da1.tar.bz2 |
brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y
- led1 can't be controlled on rpi-3 for linux 4.4, remove it.
- Fix modules.mk typos.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0579-drm-vc4-Fix-sending-of-page-flip-completion-events-i.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0579-drm-vc4-Fix-sending-of-page-flip-completion-events-i.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0579-drm-vc4-Fix-sending-of-page-flip-completion-events-i.patch b/target/linux/brcm2708/patches-4.4/0579-drm-vc4-Fix-sending-of-page-flip-completion-events-i.patch new file mode 100644 index 0000000..c798546 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0579-drm-vc4-Fix-sending-of-page-flip-completion-events-i.patch @@ -0,0 +1,47 @@ +From 5aecf0a83cc2271427aad4f1a313a3c01e581c03 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Thu, 2 Feb 2017 09:42:18 -0800 +Subject: [PATCH] drm/vc4: Fix sending of page flip completion events in FKMS + mode. + +In the rewrite of vc4_crtc.c for fkms, I dropped the part of the +CRTC's atomic flush handler that moved the completion event from the +proposed atomic state change to the CRTC's current state. That meant +that when full screen pageflipping happened (glxgears -fullscreen in +X, compton, por weston), the app would end up blocked firever waiting +to draw its next frame. + +Signed-off-by: Eric Anholt <eric@anholt.net> +--- + drivers/gpu/drm/vc4/vc4_firmware_kms.c | 15 +++++++++++++++ + 1 file changed, 15 insertions(+) + +diff --git a/drivers/gpu/drm/vc4/vc4_firmware_kms.c b/drivers/gpu/drm/vc4/vc4_firmware_kms.c +index a1b6511..8f74382 100644 +--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c ++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c +@@ -312,6 +312,21 @@ static int vc4_crtc_atomic_check(struct drm_crtc *crtc, + static void vc4_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) + { ++ struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); ++ struct drm_device *dev = crtc->dev; ++ ++ if (crtc->state->event) { ++ unsigned long flags; ++ ++ crtc->state->event->pipe = drm_crtc_index(crtc); ++ ++ WARN_ON(drm_crtc_vblank_get(crtc) != 0); ++ ++ spin_lock_irqsave(&dev->event_lock, flags); ++ vc4_crtc->event = crtc->state->event; ++ crtc->state->event = NULL; ++ spin_unlock_irqrestore(&dev->event_lock, flags); ++ } + } + + static void vc4_crtc_handle_page_flip(struct vc4_crtc *vc4_crtc) +-- +2.1.4 + |