diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0519-drm-vc4-Enable-Disable-vblanks-properly-in-crtc-en-d.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0519-drm-vc4-Enable-Disable-vblanks-properly-in-crtc-en-d.patch | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0519-drm-vc4-Enable-Disable-vblanks-properly-in-crtc-en-d.patch b/target/linux/brcm2708/patches-4.4/0519-drm-vc4-Enable-Disable-vblanks-properly-in-crtc-en-d.patch deleted file mode 100644 index c04a31410b..0000000000 --- a/target/linux/brcm2708/patches-4.4/0519-drm-vc4-Enable-Disable-vblanks-properly-in-crtc-en-d.patch +++ /dev/null @@ -1,38 +0,0 @@ -From b6184d2f6f80dd8abb6bd090830c76efe8f4e785 Mon Sep 17 00:00:00 2001 -From: Mario Kleiner <mario.kleiner.de@gmail.com> -Date: Tue, 19 Jul 2016 20:59:01 +0200 -Subject: [PATCH] drm/vc4: Enable/Disable vblanks properly in crtc en/disable. - -Add missing drm_crtc_vblank_on/off() calls so vblank irq -handling/updating/timestamping never runs with a crtc shut down -or during its shutdown/startup, as that causes large jumps in -vblank count and trouble for compositors. - -Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com> -Signed-off-by: Eric Anholt <eric@anholt.net> ---- - drivers/gpu/drm/vc4/vc4_crtc.c | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- a/drivers/gpu/drm/vc4/vc4_crtc.c -+++ b/drivers/gpu/drm/vc4/vc4_crtc.c -@@ -468,6 +468,9 @@ static void vc4_crtc_disable(struct drm_ - int ret; - require_hvs_enabled(dev); - -+ /* Disable vblank irq handling before crtc is disabled. */ -+ drm_crtc_vblank_off(crtc); -+ - if (VC4_DSI_USE_FIRMWARE_SETUP && - (CRTC_READ(PV_V_CONTROL) & PV_VCONTROL_DSI)) { - /* Skip disabling the PV/HVS for the channel if it was -@@ -531,6 +534,9 @@ static void vc4_crtc_enable(struct drm_c - /* Turn on the pixel valve, which will emit the vstart signal. */ - CRTC_WRITE(PV_V_CONTROL, - CRTC_READ(PV_V_CONTROL) | PV_VCONTROL_VIDEN); -+ -+ /* Enable vblank irq handling after crtc is started. */ -+ drm_crtc_vblank_on(crtc); - } - - static bool vc4_crtc_mode_fixup(struct drm_crtc *crtc, |