From f07e572f6447465d8938679533d604e402b0f066 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 18 Feb 2021 18:04:33 +0100 Subject: bcm27xx: import latest patches from the RPi foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 --- ...-missing-NULL-check-to-vc4_crtc_consume_e.patch | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0291-drm-vc4-Add-missing-NULL-check-to-vc4_crtc_consume_e.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0291-drm-vc4-Add-missing-NULL-check-to-vc4_crtc_consume_e.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0291-drm-vc4-Add-missing-NULL-check-to-vc4_crtc_consume_e.patch b/target/linux/bcm27xx/patches-5.4/950-0291-drm-vc4-Add-missing-NULL-check-to-vc4_crtc_consume_e.patch new file mode 100644 index 0000000000..f29ba4dc5d --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0291-drm-vc4-Add-missing-NULL-check-to-vc4_crtc_consume_e.patch @@ -0,0 +1,28 @@ +From e2e9da35d4a598490b73da41eea1db27540339fd Mon Sep 17 00:00:00 2001 +From: Dave Stevenson +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 +--- + 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); -- cgit v1.2.3