From: Hyun Kwon <hyun.kwon@xilinx.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Hyun Kwon <hyun.kwon@xilinx.com>, Hyun Kwon <hyunk@xilinx.com>,
"airlied@linux.ie" <airlied@linux.ie>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"laurent.pinchart@ideasonboard.com"
<laurent.pinchart@ideasonboard.com>,
"daniel@ffwll.ch" <daniel@ffwll.ch>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] drm: xlnx: Use dma_request_chan for DMA channel request
Date: Wed, 28 Oct 2020 17:41:40 -0700 [thread overview]
Message-ID: <20201029004140.GA2849549@xilinx.com> (raw)
In-Reply-To: <20201028013602.GA2416810@xilinx.com>
On Tue, Oct 27, 2020 at 06:36:02PM -0700, Hyun Kwon wrote:
> Hi Peter,
>
> Thanks for the patch.
>
> On Fri, Oct 23, 2020 at 02:46:02AM -0700, Peter Ujfalusi wrote:
> > There is no need to use the of_dma_request_slave_channel() directly as
> > dma_request_chan() is going to try to get the channel via OF as well.
> >
> > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
>
> So now dma_request_chan() has sysfs / debugfs registrations, and this looks
> good to me. I'll commit this within next couple days and keep it posted here.
>
Applied to drm-misc-next.
Thanks!
-hyun
> Thanks,
> -hyun
>
> > ---
> > drivers/gpu/drm/xlnx/zynqmp_disp.c | 4 +---
> > 1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > index 98bd48f13fd1..a4405d081aca 100644
> > --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > @@ -28,7 +28,6 @@
> > #include <linux/dmaengine.h>
> > #include <linux/module.h>
> > #include <linux/of.h>
> > -#include <linux/of_dma.h>
> > #include <linux/platform_device.h>
> > #include <linux/pm_runtime.h>
> > #include <linux/spinlock.h>
> > @@ -1316,8 +1315,7 @@ static int zynqmp_disp_layer_request_dma(struct zynqmp_disp *disp,
> >
> > snprintf(dma_channel_name, sizeof(dma_channel_name),
> > "%s%u", dma_names[layer->id], i);
> > - dma->chan = of_dma_request_slave_channel(disp->dev->of_node,
> > - dma_channel_name);
> > + dma->chan = dma_request_chan(disp->dev, dma_channel_name);
> > if (IS_ERR(dma->chan)) {
> > dev_err(disp->dev, "failed to request dma channel\n");
> > ret = PTR_ERR(dma->chan);
> > --
> > Peter
> >
> > Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> > Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
> >
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Hyun Kwon <hyun.kwon@xilinx.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Hyun Kwon <hyun.kwon@xilinx.com>,
"airlied@linux.ie" <airlied@linux.ie>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"laurent.pinchart@ideasonboard.com"
<laurent.pinchart@ideasonboard.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] drm: xlnx: Use dma_request_chan for DMA channel request
Date: Wed, 28 Oct 2020 17:41:40 -0700 [thread overview]
Message-ID: <20201029004140.GA2849549@xilinx.com> (raw)
In-Reply-To: <20201028013602.GA2416810@xilinx.com>
On Tue, Oct 27, 2020 at 06:36:02PM -0700, Hyun Kwon wrote:
> Hi Peter,
>
> Thanks for the patch.
>
> On Fri, Oct 23, 2020 at 02:46:02AM -0700, Peter Ujfalusi wrote:
> > There is no need to use the of_dma_request_slave_channel() directly as
> > dma_request_chan() is going to try to get the channel via OF as well.
> >
> > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
>
> So now dma_request_chan() has sysfs / debugfs registrations, and this looks
> good to me. I'll commit this within next couple days and keep it posted here.
>
Applied to drm-misc-next.
Thanks!
-hyun
> Thanks,
> -hyun
>
> > ---
> > drivers/gpu/drm/xlnx/zynqmp_disp.c | 4 +---
> > 1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > index 98bd48f13fd1..a4405d081aca 100644
> > --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > @@ -28,7 +28,6 @@
> > #include <linux/dmaengine.h>
> > #include <linux/module.h>
> > #include <linux/of.h>
> > -#include <linux/of_dma.h>
> > #include <linux/platform_device.h>
> > #include <linux/pm_runtime.h>
> > #include <linux/spinlock.h>
> > @@ -1316,8 +1315,7 @@ static int zynqmp_disp_layer_request_dma(struct zynqmp_disp *disp,
> >
> > snprintf(dma_channel_name, sizeof(dma_channel_name),
> > "%s%u", dma_names[layer->id], i);
> > - dma->chan = of_dma_request_slave_channel(disp->dev->of_node,
> > - dma_channel_name);
> > + dma->chan = dma_request_chan(disp->dev, dma_channel_name);
> > if (IS_ERR(dma->chan)) {
> > dev_err(disp->dev, "failed to request dma channel\n");
> > ret = PTR_ERR(dma->chan);
> > --
> > Peter
> >
> > Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> > Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
> >
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Hyun Kwon <hyun.kwon@xilinx.com>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Hyun Kwon <hyunk@xilinx.com>,
"laurent.pinchart@ideasonboard.com"
<laurent.pinchart@ideasonboard.com>,
"airlied@linux.ie" <airlied@linux.ie>,
"daniel@ffwll.ch" <daniel@ffwll.ch>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Hyun Kwon <hyun.kwon@xilinx.com>
Subject: Re: [PATCH] drm: xlnx: Use dma_request_chan for DMA channel request
Date: Wed, 28 Oct 2020 17:41:40 -0700 [thread overview]
Message-ID: <20201029004140.GA2849549@xilinx.com> (raw)
In-Reply-To: <20201028013602.GA2416810@xilinx.com>
On Tue, Oct 27, 2020 at 06:36:02PM -0700, Hyun Kwon wrote:
> Hi Peter,
>
> Thanks for the patch.
>
> On Fri, Oct 23, 2020 at 02:46:02AM -0700, Peter Ujfalusi wrote:
> > There is no need to use the of_dma_request_slave_channel() directly as
> > dma_request_chan() is going to try to get the channel via OF as well.
> >
> > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
>
> So now dma_request_chan() has sysfs / debugfs registrations, and this looks
> good to me. I'll commit this within next couple days and keep it posted here.
>
Applied to drm-misc-next.
Thanks!
-hyun
> Thanks,
> -hyun
>
> > ---
> > drivers/gpu/drm/xlnx/zynqmp_disp.c | 4 +---
> > 1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > index 98bd48f13fd1..a4405d081aca 100644
> > --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > @@ -28,7 +28,6 @@
> > #include <linux/dmaengine.h>
> > #include <linux/module.h>
> > #include <linux/of.h>
> > -#include <linux/of_dma.h>
> > #include <linux/platform_device.h>
> > #include <linux/pm_runtime.h>
> > #include <linux/spinlock.h>
> > @@ -1316,8 +1315,7 @@ static int zynqmp_disp_layer_request_dma(struct zynqmp_disp *disp,
> >
> > snprintf(dma_channel_name, sizeof(dma_channel_name),
> > "%s%u", dma_names[layer->id], i);
> > - dma->chan = of_dma_request_slave_channel(disp->dev->of_node,
> > - dma_channel_name);
> > + dma->chan = dma_request_chan(disp->dev, dma_channel_name);
> > if (IS_ERR(dma->chan)) {
> > dev_err(disp->dev, "failed to request dma channel\n");
> > ret = PTR_ERR(dma->chan);
> > --
> > Peter
> >
> > Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> > Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
> >
next prev parent reply other threads:[~2020-10-29 0:42 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-23 9:46 [PATCH] drm: xlnx: Use dma_request_chan for DMA channel request Peter Ujfalusi
2020-10-23 9:46 ` Peter Ujfalusi
2020-10-23 9:46 ` Peter Ujfalusi
2020-10-28 1:36 ` Hyun Kwon
2020-10-28 1:36 ` Hyun Kwon
2020-10-28 1:36 ` Hyun Kwon
2020-10-29 0:41 ` Hyun Kwon [this message]
2020-10-29 0:41 ` Hyun Kwon
2020-10-29 0:41 ` Hyun Kwon
2020-11-08 10:12 ` Sam Ravnborg
2020-11-08 10:12 ` Sam Ravnborg
2020-11-08 10:12 ` Sam Ravnborg
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