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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-03-16 20:41:03 +0100 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-03-16 21:24:23 +0100 |
commit | 0f6d04457a64f2393b05f662dc8d381ea1963c66 (patch) | |
tree | 2d6a3c82d5e6d02b030b16df66da8bf9209b02ec /target/linux/bcm27xx/patches-5.4/950-0295-drm-vc4-Add-missing-NULL-check-to-vc4_crtc_consume_e.patch | |
parent | d890f85e59617228b1e76e8cf45a9309904d9124 (diff) | |
download | upstream-0f6d04457a64f2393b05f662dc8d381ea1963c66.tar.gz upstream-0f6d04457a64f2393b05f662dc8d381ea1963c66.tar.bz2 upstream-0f6d04457a64f2393b05f662dc8d381ea1963c66.zip |
bcm27xx: sync 5.4 patches with RPi Foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0295-drm-vc4-Add-missing-NULL-check-to-vc4_crtc_consume_e.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0295-drm-vc4-Add-missing-NULL-check-to-vc4_crtc_consume_e.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0295-drm-vc4-Add-missing-NULL-check-to-vc4_crtc_consume_e.patch b/target/linux/bcm27xx/patches-5.4/950-0295-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-5.4/950-0295-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 <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); |