openwrt/target/linux/bcm27xx/patches-5.15/950-0569-drm-vc4-Only-add-gamma-properties-once.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

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1.0 KiB
Diff

From 749ff7fb1f2382f19ed744a86e82211711187db2 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Mon, 8 Nov 2021 18:25:49 +0000
Subject: [PATCH] drm/vc4: Only add gamma properties once.
Two calls were made to drm_crtc_enable_color_mgmt to add gamma
and CTM, however they were both set to add the gamma properties,
so they ended up added twice.
Fixes: 766cc6b1f7fc "drm/vc4: Add CTM support"
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/vc4/vc4_crtc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -1196,7 +1196,7 @@ int vc4_crtc_init(struct drm_device *drm
/* We support CTM, but only for one CRTC at a time. It's therefore
* implemented as private driver state in vc4_kms, not here.
*/
- drm_crtc_enable_color_mgmt(crtc, 0, true, crtc->gamma_size);
+ drm_crtc_enable_color_mgmt(crtc, 0, true, 0);
/* Initialize the VC4 gamma LUTs */
for (i = 0; i < crtc->gamma_size; i++) {