From: Phil Elwell <p...@raspberrypi.org>
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 <p...@raspberrypi.org>
Signed-off-by: Stefan Wahren <stefan.wah...@i2se.com>
---
drivers/gpu/drm/v3d/v3d_drv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
index 42d401f..99e22be 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.c
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
@@ -232,8 +232,8 @@ static int v3d_platform_drm_probe(struct platform_device
*pdev)
return ret;
mmu_debug = V3D_READ(V3D_MMU_DEBUG_INFO);
- dev->coherent_dma_mask =
- DMA_BIT_MASK(30 + V3D_GET_FIELD(mmu_debug, V3D_MMU_PA_WIDTH));
+ dma_set_mask_and_coherent(dev,
+ DMA_BIT_MASK(30 + V3D_GET_FIELD(mmu_debug, V3D_MMU_PA_WIDTH)));
v3d->va_width = 30 + V3D_GET_FIELD(mmu_debug, V3D_MMU_VA_WIDTH);
ident1 = V3D_READ(V3D_HUB_IDENT1);
--
2.7.4
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