brcm2708: update to latest patches from RPi foundation

[openwrt/staging/wigyori.git] / target / linux / brcm2708 / patches-4.19 / 950-0773-drm-v3d-Set-dma_mask-as-well-as-coherent_dma_mask.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0773-drm-v3d-Set-dma_mask-as-well-as-coherent_dma_mask.patch b/target/linux/brcm2708/patches-4.19/950-0773-drm-v3d-Set-dma_mask-as-well-as-coherent_dma_mask.patch
new file mode 100644 (file)
index 0000000..313aa8c
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0773-drm-v3d-Set-dma_mask-as-well-as-coherent_dma_mask.patch
@@ -0,0 +1,25 @@
+From 75e50217c8c8d9ab8dc84547fd149d9bfe32ae5d Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Fri, 22 Nov 2019 16:23:32 +0000
+Subject: [PATCH] drm/v3d: Set dma_mask as well as coherent_dma_mask
+
+Both coherent_dma_mask and dma_mask act as constraints on allocations
+and bounce buffer usage, so be sure to set dma_mask to the appropriate
+value otherwise the effective mask could be incorrect.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ drivers/gpu/drm/v3d/v3d_drv.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/v3d/v3d_drv.c
++++ b/drivers/gpu/drm/v3d/v3d_drv.c
+@@ -261,7 +261,7 @@ static int v3d_platform_drm_probe(struct
+       int ret;
+       u32 ident1;
+ 
+-      dev->coherent_dma_mask = DMA_BIT_MASK(36);
++      dma_set_mask_and_coherent(dev, DMA_BIT_MASK(36));
+ 
+       v3d = kzalloc(sizeof(*v3d), GFP_KERNEL);
+       if (!v3d)