linux-kernel - RE: [PATCH v2 3/4] drm: ipk: Add extensions for DW MIPI DSI Host driver

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Message-ID: <CH2PR12MB37826C649EB8C3065722F032CBC00@CH2PR12MB3782.namprd12.prod.outlook.com>
Date:   Wed, 8 Apr 2020 16:22:15 +0000
From:   Angelo Ribeiro <Angelo.Ribeiro@...opsys.com>
To:     Sam Ravnborg <sam@...nborg.org>
CC:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "maarten.lankhorst@...ux.intel.com" 
        <maarten.lankhorst@...ux.intel.com>,
        "mripard@...nel.org" <mripard@...nel.org>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        Gustavo Pimentel <Gustavo.Pimentel@...opsys.com>,
        Joao Pinto <Joao.Pinto@...opsys.com>
Subject: RE: [PATCH v2 3/4] drm: ipk: Add extensions for DW MIPI DSI Host
 driver

Hi Sam,

Thanks for your revision 

Angelo

From: Sam Ravnborg <sam@...nborg.org>
Date: Tue, Apr 07, 2020 at 18:51:59

> Hi Angelo.
> 
> One nit below.
> 
> 	Sam
> 
> On Mon, Apr 06, 2020 at 03:24:13PM +0200, Angelo Ribeiro wrote:
> > Add Synopsys DesignWare IPK specific extensions for Synopsys DesignWare
> > MIPI DSI Host driver.
> > 
> > Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
> > Cc: Maxime Ripard <mripard@...nel.org>
> > Cc: David Airlie <airlied@...ux.ie>
> > Cc: Daniel Vetter <daniel@...ll.ch>
> > Cc: Gustavo Pimentel <gustavo.pimentel@...opsys.com>
> > Cc: Joao Pinto <jpinto@...opsys.com>
> > Signed-off-by: Angelo Ribeiro <angelo.ribeiro@...opsys.com>
> > ---
> >  drivers/gpu/drm/ipk/Kconfig           |   9 +
> >  drivers/gpu/drm/ipk/Makefile          |   2 +
> >  drivers/gpu/drm/ipk/dw-mipi-dsi-ipk.c | 556 ++++++++++++++++++++++++++++++++++
> >  3 files changed, 567 insertions(+)
> >  create mode 100644 drivers/gpu/drm/ipk/dw-mipi-dsi-ipk.c
> > 
> > diff --git a/drivers/gpu/drm/ipk/Kconfig b/drivers/gpu/drm/ipk/Kconfig
> > index 1f87444..49819e5 100644
> > --- a/drivers/gpu/drm/ipk/Kconfig
> > +++ b/drivers/gpu/drm/ipk/Kconfig
> > @@ -11,3 +11,12 @@ config DRM_IPK
> >  	  Enable support for the Synopsys DesignWare DRM DSI.
> >  	  To compile this driver as a module, choose M here: the module
> >  	  will be called ipk-drm.
> > +
> > +config DRM_IPK_DSI
> > +	tristate "Synopsys DesignWare IPK specific extensions for MIPI DSI"
> > +	depends on DRM_IPK
> > +	select DRM_DW_MIPI_DSI
> > +	help
> > +	  Choose this option for Synopsys DesignWare IPK MIPI DSI support.
> > +	  To compile this driver as a module, choose M here: the module
> > +	  will be called dw-mipi-dsi-ipk.
> > diff --git a/drivers/gpu/drm/ipk/Makefile b/drivers/gpu/drm/ipk/Makefile
> > index 51d2774..c80503f 100644
> > --- a/drivers/gpu/drm/ipk/Makefile
> > +++ b/drivers/gpu/drm/ipk/Makefile
> > @@ -4,3 +4,5 @@ ipk-drm-y := \
> >  	dw-vpg.o
> >  
> >  obj-$(CONFIG_DRM_IPK) += ipk-drm.o
> > +
> > +obj-$(CONFIG_DRM_IPK_DSI) += dw-mipi-dsi-ipk.o
> > diff --git a/drivers/gpu/drm/ipk/dw-mipi-dsi-ipk.c b/drivers/gpu/drm/ipk/dw-mipi-dsi-ipk.c
> > new file mode 100644
> > index 0000000..070eccb
> > --- /dev/null
> > +++ b/drivers/gpu/drm/ipk/dw-mipi-dsi-ipk.c
> > @@ -0,0 +1,556 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (c) 2019-2020 Synopsys, Inc. and/or its affiliates.
> > + * Synopsys DesignWare MIPI DSI solution driver
> > + *
> > + * Author: Angelo Ribeiro <angelo.ribeiro@...opsys.com>
> > + * Author: Luis Oliveira <luis.oliveira@...opsys.com>
> > + */
> > +
> > +#include <linux/clk.h>
> > +#include <linux/iopoll.h>
> > +#include <linux/module.h>
> > +#include <drm/drm_mipi_dsi.h>
> > +#include <drm/bridge/dw_mipi_dsi.h>
> > +#include <video/mipi_display.h>
> > +#include <linux/of.h>
> > +#include <linux/platform_device.h>
> > +
> > +#include <drm/drm_crtc.h>
> > +#include <drm/drm_device.h>
> > +#include <drm/drm_print.h>
> Same rant as in previous mail about include file.
> 
> 
> Rest of the driver looked good while quickly browsing the code.
> 
> 	Sam