f07e572f64
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
29 lines
924 B
Diff
29 lines
924 B
Diff
From e2e9da35d4a598490b73da41eea1db27540339fd Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
|
|
Date: Wed, 7 Aug 2019 11:31:08 +0100
|
|
Subject: [PATCH] drm/vc4: Add missing NULL check to
|
|
vc4_crtc_consume_event
|
|
|
|
vc4_crtc_consume_event wasn't checking crtc->state->event was
|
|
set before dereferencing it, leading to an OOPS.
|
|
|
|
Fixes "a5b534b drm/vc4: Resolve the vblank warnings on mode switching"
|
|
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_firmware_kms.c | 3 +++
|
|
1 file changed, 3 insertions(+)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
|
|
@@ -1000,6 +1000,9 @@ static void vc4_crtc_consume_event(struc
|
|
struct drm_device *dev = crtc->dev;
|
|
unsigned long flags;
|
|
|
|
+ if (!crtc->state->event)
|
|
+ return;
|
|
+
|
|
crtc->state->event->pipe = drm_crtc_index(crtc);
|
|
|
|
WARN_ON(drm_crtc_vblank_get(crtc) != 0);
|