linux-kernel - [PATCH 1/2] media: iris: represent dma

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Message-ID: <20250109-iris-driver-fixes-v1-1-789a0f5dd7ee@quicinc.com>
Date: Thu, 9 Jan 2025 16:56:40 +0530
From: Dikshita Agarwal <quic_dikshita@...cinc.com>
To: Vikash Garodia <quic_vgarodia@...cinc.com>,
        Abhinav Kumar
	<quic_abhinavk@...cinc.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Stefan Schmidt <stefan.schmidt@...aro.org>
CC: Hans Verkuil <hverkuil@...all.nl>, Joel Stanley <joel@....id.au>,
        <linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>,
        <20241212-qcom-video-iris-v9-0-e8c2c6bd4041@...cinc.com>
Subject: [PATCH 1/2] media: iris: represent dma_mask in more readable form

Update the value of dma mask from GENMASK(31, 29) - 1 to 0xe0000000-1 to
make it easier to understand and keep it consistent.

Signed-off-by: Dikshita Agarwal <quic_dikshita@...cinc.com>
---
 drivers/media/platform/qcom/iris/iris_platform_sm8250.c | 3 ++-
 drivers/media/platform/qcom/iris/iris_platform_sm8550.c | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8250.c b/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
index 9ef2fcc1a0fd..b14b1c5d632c 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
@@ -125,7 +125,8 @@ struct iris_platform_data sm8250_data = {
 	.opp_pd_tbl_size = ARRAY_SIZE(sm8250_opp_pd_table),
 	.clk_tbl = sm8250_clk_table,
 	.clk_tbl_size = ARRAY_SIZE(sm8250_clk_table),
-	.dma_mask = GENMASK(31, 29) - 1,
+	/* Upper bound of DMA address range */
+	.dma_mask = 0xe0000000 - 1,
 	.fwname = "qcom/vpu-1.0/venus.mbn",
 	.pas_id = IRIS_PAS_ID,
 	.inst_caps = &platform_inst_cap_sm8250,
diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
index ad945489126e..35d278996c43 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
@@ -232,7 +232,8 @@ struct iris_platform_data sm8550_data = {
 	.opp_pd_tbl_size = ARRAY_SIZE(sm8550_opp_pd_table),
 	.clk_tbl = sm8550_clk_table,
 	.clk_tbl_size = ARRAY_SIZE(sm8550_clk_table),
-	.dma_mask = GENMASK(31, 29) - 1,
+	/* Upper bound of DMA address range */
+	.dma_mask = 0xe0000000 - 1,
 	.fwname = "qcom/vpu/vpu30_p4.mbn",
 	.pas_id = IRIS_PAS_ID,
 	.inst_caps = &platform_inst_cap_sm8550,

-- 
2.34.1