Add a directory by kernel instead of a common root, add qnap-301w and rpi4 kernel 6.1 suppport

6.1/target/linux/bcm27xx/patches-6.1/0019-drm-vc4-Only-add-gamma-properties-once.patch

@@ -0,0 +1,31 @@
+From 02df01a9518c1bbc613186f940a566d4337212af 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 019/726] 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(-)
+
+diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
+index fc4e2e658e6d..7c29f67e4f73 100644
+--- a/drivers/gpu/drm/vc4/vc4_crtc.c
++++ b/drivers/gpu/drm/vc4/vc4_crtc.c
+@@ -1358,7 +1358,7 @@ int vc4_crtc_init(struct drm_device *drm, struct vc4_crtc *vc4_crtc,
+ 		/* 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++) {
+-- 
+2.33.1
+