brcm2708: organize kernel patches

[openwrt/staging/dedeckeh.git] / target / linux / brcm2708 / patches-4.19 / 950-0572-drm-vc4-Correct-SAND-support-for-FKMS.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0572-drm-vc4-Correct-SAND-support-for-FKMS.patch b/target/linux/brcm2708/patches-4.19/950-0572-drm-vc4-Correct-SAND-support-for-FKMS.patch
new file mode 100644 (file)
index 0000000..4299928
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0572-drm-vc4-Correct-SAND-support-for-FKMS.patch
@@ -0,0 +1,40 @@
+From 0dbdeb9e76e956df275e162224e12eacb0cc8b02 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Wed, 29 May 2019 15:44:11 +0100
+Subject: [PATCH] drm/vc4: Correct SAND support for FKMS.
+
+It was accepting NV21 which doesn't map through, but
+also wasn't advertising the modifier so nothing would know
+to request it.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/gpu/drm/vc4/vc4_firmware_kms.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+@@ -545,7 +545,6 @@ static bool vc4_fkms_format_mod_supporte
+                       return false;
+               }
+       case DRM_FORMAT_NV12:
+-      case DRM_FORMAT_NV21:
+               switch (fourcc_mod_broadcom_mod(modifier)) {
+               case DRM_FORMAT_MOD_LINEAR:
+               case DRM_FORMAT_MOD_BROADCOM_SAND128:
+@@ -553,6 +552,7 @@ static bool vc4_fkms_format_mod_supporte
+               default:
+                       return false;
+               }
++      case DRM_FORMAT_NV21:
+       case DRM_FORMAT_RGB888:
+       case DRM_FORMAT_BGR888:
+       case DRM_FORMAT_YUV422:
+@@ -599,6 +599,7 @@ static struct drm_plane *vc4_fkms_plane_
+                * would prefer to scan out linear (less bus traffic).
+                */
+               DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED,
++              DRM_FORMAT_MOD_BROADCOM_SAND128,
+               DRM_FORMAT_MOD_INVALID,
+       };
+       int i;