linux-kernel - [PATCH v4 03/16] drm/msm/mdp5: Remove direct access of dev->iommu

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Date:   Thu, 26 Mar 2020 16:08:28 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     iommu@...ts.linux-foundation.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, guohanjun@...wei.com,
        Sudeep Holla <sudeep.holla@....com>,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Joerg Roedel <jroedel@...e.de>
Subject: [PATCH v4 03/16] drm/msm/mdp5: Remove direct access of dev->iommu_fwspec

From: Joerg Roedel <jroedel@...e.de>

Use the accessor functions instead of directly dereferencing
dev->iommu_fwspec.

Reviewed-by: Jean-Philippe Brucker <jean-philippe@...aro.org>
Signed-off-by: Joerg Roedel <jroedel@...e.de>
---
 drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
index e43ecd4be10a..1252e1d76340 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
@@ -725,7 +725,7 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev)
 
 	if (config->platform.iommu) {
 		iommu_dev = &pdev->dev;
-		if (!iommu_dev->iommu_fwspec)
+		if (!dev_iommu_fwspec_get(iommu_dev))
 			iommu_dev = iommu_dev->parent;
 
 		aspace = msm_gem_address_space_create(iommu_dev,
-- 
2.17.1