linux-kernel - [PATCH v17 04/20] drm/msm: Set adreno

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat,  5 Sep 2020 13:04:10 -0700
From:   Rob Clark <robdclark@...il.com>
To:     iommu@...ts.linux-foundation.org, dri-devel@...ts.freedesktop.org,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>
Cc:     linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Akhil P Oommen <akhilpo@...eaurora.org>,
        Rob Clark <robdclark@...omium.org>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jonathan Marek <jonathan@...ek.ca>,
        Shawn Guo <shawn.guo@...aro.org>,
        AngeloGioacchino Del Regno <kholk11@...il.com>,
        Sharat Masetty <smasetty@...eaurora.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v17 04/20] drm/msm: Set adreno_smmu as gpu's drvdata

From: Rob Clark <robdclark@...omium.org>

This will be populated by adreno-smmu, to provide a way for coordinating
enabling/disabling TTBR0 translation.

Signed-off-by: Rob Clark <robdclark@...omium.org>
Reviewed-by: Jordan Crouse <jcrouse@...eaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 drivers/gpu/drm/msm/adreno/adreno_device.c | 2 --
 drivers/gpu/drm/msm/msm_gpu.c              | 2 +-
 drivers/gpu/drm/msm/msm_gpu.h              | 6 +++++-
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 26664e1b30c0..58e03b20e1c7 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -417,8 +417,6 @@ static int adreno_bind(struct device *dev, struct device *master, void *data)
 		return PTR_ERR(gpu);
 	}
 
-	dev_set_drvdata(dev, gpu);
-
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index 4c67aedc5c33..144dd63e747e 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -892,7 +892,7 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
 		gpu->gpu_cx = NULL;
 
 	gpu->pdev = pdev;
-	platform_set_drvdata(pdev, gpu);
+	platform_set_drvdata(pdev, &gpu->adreno_smmu);
 
 	msm_devfreq_init(gpu);
 
diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h
index da1ae2263047..1f65aec57a8f 100644
--- a/drivers/gpu/drm/msm/msm_gpu.h
+++ b/drivers/gpu/drm/msm/msm_gpu.h
@@ -7,6 +7,7 @@
 #ifndef __MSM_GPU_H__
 #define __MSM_GPU_H__
 
+#include <linux/adreno-smmu-priv.h>
 #include <linux/clk.h>
 #include <linux/interconnect.h>
 #include <linux/pm_opp.h>
@@ -74,6 +75,8 @@ struct msm_gpu {
 	struct platform_device *pdev;
 	const struct msm_gpu_funcs *funcs;
 
+	struct adreno_smmu_priv adreno_smmu;
+
 	/* performance counters (hw & sw): */
 	spinlock_t perf_lock;
 	bool perfcntr_active;
@@ -146,7 +149,8 @@ struct msm_gpu {
 
 static inline struct msm_gpu *dev_to_gpu(struct device *dev)
 {
-	return dev_get_drvdata(dev);
+	struct adreno_smmu_priv *adreno_smmu = dev_get_drvdata(dev);
+	return container_of(adreno_smmu, struct msm_gpu, adreno_smmu);
 }
 
 /* It turns out that all targets use the same ringbuffer size */
-- 
2.26.2