[PATCH 6.6 288/341] drm/msm/mdss: switch mdss to use devm_of_icc_get()

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6.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

[ Upstream commit ded61d7dc5a0f8cfe7390aba33187c862d09b177 ]

Stop using hand-written reset function for ICC release, use
devm_of_icc_get() instead.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
Patchwork: https://patchwork.freedesktop.org/patch/570161/
Link: https://lore.kernel.org/r/20231202224247.1282567-2-dmitry.baryshkov@xxxxxxxxxx
Stable-dep-of: 3e30296b374a ("drm/msm: fix the highest_bank_bit for sc7180")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/gpu/drm/msm/msm_mdss.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
index 348c66b146834..67f225de57d74 100644
--- a/drivers/gpu/drm/msm/msm_mdss.c
+++ b/drivers/gpu/drm/msm/msm_mdss.c
@@ -50,14 +50,14 @@ static int msm_mdss_parse_data_bus_icc_path(struct device *dev,
 	struct icc_path *path0;
 	struct icc_path *path1;
 
-	path0 = of_icc_get(dev, "mdp0-mem");
+	path0 = devm_of_icc_get(dev, "mdp0-mem");
 	if (IS_ERR_OR_NULL(path0))
 		return PTR_ERR_OR_ZERO(path0);
 
 	msm_mdss->path[0] = path0;
 	msm_mdss->num_paths = 1;
 
-	path1 = of_icc_get(dev, "mdp1-mem");
+	path1 = devm_of_icc_get(dev, "mdp1-mem");
 	if (!IS_ERR_OR_NULL(path1)) {
 		msm_mdss->path[1] = path1;
 		msm_mdss->num_paths++;
@@ -66,15 +66,6 @@ static int msm_mdss_parse_data_bus_icc_path(struct device *dev,
 	return 0;
 }
 
-static void msm_mdss_put_icc_path(void *data)
-{
-	struct msm_mdss *msm_mdss = data;
-	int i;
-
-	for (i = 0; i < msm_mdss->num_paths; i++)
-		icc_put(msm_mdss->path[i]);
-}
-
 static void msm_mdss_icc_request_bw(struct msm_mdss *msm_mdss, unsigned long bw)
 {
 	int i;
@@ -391,9 +382,6 @@ static struct msm_mdss *msm_mdss_init(struct platform_device *pdev, bool is_mdp5
 	dev_dbg(&pdev->dev, "mapped mdss address space @%pK\n", msm_mdss->mmio);
 
 	ret = msm_mdss_parse_data_bus_icc_path(&pdev->dev, msm_mdss);
-	if (ret)
-		return ERR_PTR(ret);
-	ret = devm_add_action_or_reset(&pdev->dev, msm_mdss_put_icc_path, msm_mdss);
 	if (ret)
 		return ERR_PTR(ret);
 
-- 
2.43.0







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