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From b31a82407090315c8bfa2c0079e2da263e66140f Mon Sep 17 00:00:00 2001
From: Valentine Barshak <valentine.barshak@cogentembedded.com>
Date: Mon, 12 Nov 2018 18:17:43 +0300
Subject: [PATCH 172/211] gpu: drm: rcar_du: Fix physical address of the CMA
backing memory
This fixes physical address of the frame buffer backing memory
when the frame buffer is created using DMA buffer handle.
Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
---
drivers/gpu/drm/rcar-du/rcar_du_kms.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index a6940e6..d66ae53 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -208,7 +208,7 @@ struct drm_gem_object *rcar_du_gem_prime_import_sg_table(struct drm_device *dev,
goto error;
}
- cma_obj->paddr = 0;
+ cma_obj->paddr = sg_dma_address(sgt->sgl);
cma_obj->sgt = sgt;
return gem_obj;
--
2.7.4
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