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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Stephen Boyd <swboyd@chromium.org>,
        Abhinav Kumar <quic_abhinavk@quicinc.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.16 0521/1017] drm/msm/dpu: add DSPP blocks teardown
Date:   Tue,  5 Apr 2022 09:23:54 +0200
Message-Id: <20220405070409.760721701@linuxfoundation.org>
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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

[ Upstream commit d5c5e78f217172e87d8fb2c3418dd8b58b4adfcb ]

Add missing calls to dpu_hw_dspp_destroy() to free resources allocated
for DSPP hardware blocks.

Fixes: e47616df008b ("drm/msm/dpu: add support for color processing blocks in dpu driver")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20220121210618.3482550-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
index f9c83d6e427a..24fbaf562d41 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
@@ -35,6 +35,14 @@ int dpu_rm_destroy(struct dpu_rm *rm)
 {
 	int i;
 
+	for (i = 0; i < ARRAY_SIZE(rm->dspp_blks); i++) {
+		struct dpu_hw_dspp *hw;
+
+		if (rm->dspp_blks[i]) {
+			hw = to_dpu_hw_dspp(rm->dspp_blks[i]);
+			dpu_hw_dspp_destroy(hw);
+		}
+	}
 	for (i = 0; i < ARRAY_SIZE(rm->pingpong_blks); i++) {
 		struct dpu_hw_pingpong *hw;
 
-- 
2.34.1