forked from Openwrt/openwrt
8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
33 lines
1.0 KiB
Diff
33 lines
1.0 KiB
Diff
From 67157d16a97a0dc896d5a70245ba8f9f360112c8 Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Date: Wed, 10 Nov 2021 16:36:12 +0000
|
|
Subject: [PATCH 0016/1085] drm/vc4: Validate the size of the gamma_lut
|
|
|
|
Add a check to vc4_hvs_gamma_check to ensure a new non-empty
|
|
gamma LUT is of the correct length before accepting it.
|
|
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_hvs.c | 10 ++++++++++
|
|
1 file changed, 10 insertions(+)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
|
|
@@ -614,6 +614,16 @@ static int vc4_hvs_gamma_check(struct dr
|
|
if (!crtc_state->color_mgmt_changed)
|
|
return 0;
|
|
|
|
+ if (crtc_state->gamma_lut) {
|
|
+ unsigned int len = drm_color_lut_size(crtc_state->gamma_lut);
|
|
+
|
|
+ if (len != crtc->gamma_size) {
|
|
+ DRM_DEBUG_KMS("Invalid LUT size; got %u, expected %u\n",
|
|
+ len, crtc->gamma_size);
|
|
+ return -EINVAL;
|
|
+ }
|
|
+ }
|
|
+
|
|
connector = vc4_get_crtc_connector(crtc, crtc_state);
|
|
if (!connector)
|
|
return -EINVAL;
|