From: Yong Wu <yong.wu@mediatek.com>
To: Matthias Brugger <matthias.bgg@gmail.com>,
Rick Chang <rick.chang@mediatek.com>
Cc: xia.jiang@mediatek.com, Will Deacon <will.deacon@arm.com>,
youlin.pei@mediatek.com, Nicolas Boichat <drinkcat@chromium.org>,
Rick Chang <rick.chang@mediatek.com>,
Joerg Roedel <joro@8bytes.org>, Evan Green <evgreen@chromium.org>,
eizan@chromium.org, Matthias Kaehlcke <mka@chromium.org>,
devicetree@vger.kernel.org, cui.zhang@mediatek.com,
Tomasz Figa <tfiga@google.com>, Rob Herring <robh+dt@kernel.org>,
linux-mediatek@lists.infradead.org, ming-fan.chen@mediatek.com,
linux-arm-kernel@lists.infradead.org, anan.sun@mediatek.com,
acourbot@chromium.org, srv_heupstream@mediatek.com,
linux-kernel@vger.kernel.org, chao.hao@mediatek.com,
iommu@lists.linux-foundation.org,
Robin Murphy <robin.murphy@arm.com>
Subject: Re: [PATCH v4 06/17] media: mtk-jpeg: Get rid of mtk_smi_larb_get/put
Date: Thu, 18 Jun 2020 17:32:05 +0800 [thread overview]
Message-ID: <1592472725.20080.12.camel@mhfsdcap03> (raw)
In-Reply-To: <1590826218-23653-7-git-send-email-yong.wu@mediatek.com>
+ Rick
On Sat, 2020-05-30 at 16:10 +0800, Yong Wu wrote:
> MediaTek IOMMU has already added device_link between the consumer
> and smi-larb device. If the jpg device call the pm_runtime_get_sync,
> the smi-larb's pm_runtime_get_sync also be called automatically.
>
> CC: Rick Chang <rick.chang@mediatek.com>
> Signed-off-by: Yong Wu <yong.wu@mediatek.com>
> Reviewed-by: Evan Green <evgreen@chromium.org>
> ---
> drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 22 ----------------------
> drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h | 2 --
> 2 files changed, 24 deletions(-)
>
> diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
> index f82a81a..21fba6f 100644
> --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
> +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
> @@ -21,7 +21,6 @@
> #include <media/v4l2-ioctl.h>
> #include <media/videobuf2-core.h>
> #include <media/videobuf2-dma-contig.h>
> -#include <soc/mediatek/smi.h>
>
> #include "mtk_jpeg_hw.h"
> #include "mtk_jpeg_core.h"
> @@ -893,11 +892,6 @@ static int mtk_jpeg_queue_init(void *priv, struct vb2_queue *src_vq,
>
> static void mtk_jpeg_clk_on(struct mtk_jpeg_dev *jpeg)
> {
> - int ret;
> -
> - ret = mtk_smi_larb_get(jpeg->larb);
> - if (ret)
> - dev_err(jpeg->dev, "mtk_smi_larb_get larbvdec fail %d\n", ret);
> clk_prepare_enable(jpeg->clk_jdec_smi);
> clk_prepare_enable(jpeg->clk_jdec);
> }
> @@ -906,7 +900,6 @@ static void mtk_jpeg_clk_off(struct mtk_jpeg_dev *jpeg)
> {
> clk_disable_unprepare(jpeg->clk_jdec);
> clk_disable_unprepare(jpeg->clk_jdec_smi);
> - mtk_smi_larb_put(jpeg->larb);
> }
>
> static irqreturn_t mtk_jpeg_dec_irq(int irq, void *priv)
> @@ -1051,21 +1044,6 @@ static int mtk_jpeg_release(struct file *file)
>
> static int mtk_jpeg_clk_init(struct mtk_jpeg_dev *jpeg)
> {
> - struct device_node *node;
> - struct platform_device *pdev;
> -
> - node = of_parse_phandle(jpeg->dev->of_node, "mediatek,larb", 0);
> - if (!node)
> - return -EINVAL;
> - pdev = of_find_device_by_node(node);
> - if (WARN_ON(!pdev)) {
> - of_node_put(node);
> - return -EINVAL;
> - }
> - of_node_put(node);
> -
> - jpeg->larb = &pdev->dev;
> -
> jpeg->clk_jdec = devm_clk_get(jpeg->dev, "jpgdec");
> if (IS_ERR(jpeg->clk_jdec))
> return PTR_ERR(jpeg->clk_jdec);
> diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
> index 999bd14..8579494 100644
> --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
> +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
> @@ -47,7 +47,6 @@ enum mtk_jpeg_ctx_state {
> * @dec_reg_base: JPEG registers mapping
> * @clk_jdec: JPEG hw working clock
> * @clk_jdec_smi: JPEG SMI bus clock
> - * @larb: SMI device
> */
> struct mtk_jpeg_dev {
> struct mutex lock;
> @@ -61,7 +60,6 @@ struct mtk_jpeg_dev {
> void __iomem *dec_reg_base;
> struct clk *clk_jdec;
> struct clk *clk_jdec_smi;
> - struct device *larb;
> };
>
> /**
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next prev parent reply other threads:[~2020-06-18 9:34 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-30 8:10 [PATCH v4 00/17] Clean up "mediatek,larb" after adding device_link Yong Wu
2020-05-30 8:10 ` [PATCH v4 01/17] media: dt-binding: mtk-vcodec: Separating mtk-vcodec encode node Yong Wu
2020-06-09 21:21 ` Rob Herring
2020-06-10 6:46 ` Alexandre Courbot
2020-06-10 7:38 ` Tiffany Lin
2020-06-17 5:53 ` Tiffany Lin
2020-05-30 8:10 ` [PATCH v4 02/17] dt-binding: mediatek: Get rid of mediatek, larb for multimedia HW Yong Wu
2020-05-30 8:10 ` [PATCH v4 03/17] iommu/mediatek: Add probe_defer for smi-larb Yong Wu
2020-05-30 8:10 ` [PATCH v4 04/17] iommu/mediatek: Add device_link between the consumer and the larb devices Yong Wu
2020-05-30 8:10 ` [PATCH v4 05/17] memory: mtk-smi: Add device-link between smi-larb and smi-common Yong Wu
2020-05-30 8:10 ` [PATCH v4 06/17] media: mtk-jpeg: Get rid of mtk_smi_larb_get/put Yong Wu
2020-06-18 9:32 ` Yong Wu [this message]
2020-06-18 17:28 ` Rick Chang
2020-05-30 8:10 ` [PATCH v4 07/17] media: mtk-mdp: " Yong Wu
2020-05-30 8:10 ` [PATCH v4 08/17] media: mtk-vcodec: separate mtk-vcodec-enc node Yong Wu
2020-06-10 5:45 ` CK Hu
2020-06-10 6:13 ` Tiffany Lin
2020-05-30 8:10 ` [PATCH v4 09/17] media: mtk-vcodec: Get rid of mtk_smi_larb_get/put Yong Wu
2020-06-10 5:47 ` CK Hu
2020-06-10 6:20 ` Tiffany Lin
2020-05-30 8:10 ` [PATCH v4 10/17] drm/mediatek: Add pm runtime support for ovl and rdma Yong Wu
2020-05-30 11:07 ` Chun-Kuang Hu
2020-05-30 8:10 ` [PATCH v4 11/17] drm/mediatek: Get rid of mtk_smi_larb_get/put Yong Wu
2020-05-30 11:08 ` Chun-Kuang Hu
2020-05-30 8:10 ` [PATCH v4 12/17] memory: mtk-smi: " Yong Wu
2020-05-30 8:10 ` [PATCH v4 13/17] iommu/mediatek: Use module_platform_driver Yong Wu
2020-05-30 8:10 ` [PATCH v4 14/17] memory: mtk-smi: Use device_is_bound to check if smi-common is ready Yong Wu
2020-05-30 8:10 ` [PATCH v4 15/17] arm: dts: mediatek: Get rid of mediatek, larb for MM nodes Yong Wu
2020-05-30 8:10 ` [PATCH v4 16/17] arm64: dts: mt8173: Separate mtk-vcodec-enc node Yong Wu
2020-05-30 8:10 ` [PATCH v4 17/17] arm64: dts: mediatek: Get rid of mediatek, larb for MM nodes Yong Wu
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