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Date: Thu, 21 Jan 2021 07:43:09 +0800
From: Chun-Kuang Hu <chunkuang.hu@...nel.org>
To: Matthias Brugger <matthias.bgg@...nel.org>
Cc: Chun-Kuang Hu <chunkuang.hu@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
linux-kernel <linux-kernel@...r.kernel.org>,
DRI Development <dri-devel@...ts.freedesktop.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@...ts.infradead.org>, CK Hu <ck.hu@...iatek.com>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 5/5] soc / drm: mediatek: Move mtk mutex driver to soc folder
Hi, Matthias:
Matthias Brugger <matthias.bgg@...nel.org> 於 2021年1月21日 週四 上午2:33寫道：
>
> On Thu, Jan 07, 2021 at 07:17:29AM +0800, Chun-Kuang Hu wrote:
> > From: CK Hu <ck.hu@...iatek.com>
> >
> > mtk mutex is used by DRM and MDP driver, and its function is SoC-specific,
> > so move it to soc folder.
> >
> > Signed-off-by: CK Hu <ck.hu@...iatek.com>
> > Signed-off-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>
>
> Acked-by: Matthias Brugger <matthias.bgg@...il.com>
>
> Please take the patch through your tree. Thanks!
Applied, thanks.
Regards,
Chun-Kuang.
>
> > ---
> > drivers/gpu/drm/mediatek/Makefile | 3 +--
> > drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 2 +-
> > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 1 -
> > drivers/gpu/drm/mediatek/mtk_drm_drv.h | 1 -
> > drivers/soc/mediatek/Makefile | 1 +
> > .../mtk_mutex.c => soc/mediatek/mtk-mutex.c} | 15 +++++++++++++--
> > .../linux/soc/mediatek/mtk-mutex.h | 0
> > 7 files changed, 16 insertions(+), 7 deletions(-)
> > rename drivers/{gpu/drm/mediatek/mtk_mutex.c => soc/mediatek/mtk-mutex.c} (96%)
> > rename drivers/gpu/drm/mediatek/mtk_mutex.h => include/linux/soc/mediatek/mtk-mutex.h (100%)
> >
> > diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile
> > index 09979c4c340a..01d06332f767 100644
> > --- a/drivers/gpu/drm/mediatek/Makefile
> > +++ b/drivers/gpu/drm/mediatek/Makefile
> > @@ -9,8 +9,7 @@ mediatek-drm-y := mtk_disp_color.o \
> > mtk_drm_gem.o \
> > mtk_drm_plane.o \
> > mtk_dsi.o \
> > - mtk_dpi.o \
> > - mtk_mutex.o
> > + mtk_dpi.o
> >
> > obj-$(CONFIG_DRM_MEDIATEK) += mediatek-drm.o
> >
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> > index 1e3a9450680b..e9b6788d52cd 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> > @@ -7,6 +7,7 @@
> > #include <linux/pm_runtime.h>
> > #include <linux/soc/mediatek/mtk-cmdq.h>
> > #include <linux/soc/mediatek/mtk-mmsys.h>
> > +#include <linux/soc/mediatek/mtk-mutex.h>
> >
> > #include <asm/barrier.h>
> > #include <soc/mediatek/smi.h>
> > @@ -22,7 +23,6 @@
> > #include "mtk_drm_ddp_comp.h"
> > #include "mtk_drm_gem.h"
> > #include "mtk_drm_plane.h"
> > -#include "mtk_mutex.h"
> >
> > /*
> > * struct mtk_drm_crtc - MediaTek specific crtc structure.
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > index b99a06e6834e..5d39dd54255d 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> > @@ -588,7 +588,6 @@ static struct platform_driver mtk_drm_platform_driver = {
> > };
> >
> > static struct platform_driver * const mtk_drm_drivers[] = {
> > - &mtk_mutex_driver,
> > &mtk_disp_color_driver,
> > &mtk_disp_ovl_driver,
> > &mtk_disp_rdma_driver,
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> > index ae366868d01a..e8238fa4aa2a 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> > @@ -46,7 +46,6 @@ struct mtk_drm_private {
> > struct drm_atomic_state *suspend_state;
> > };
> >
> > -extern struct platform_driver mtk_mutex_driver;
> > extern struct platform_driver mtk_disp_color_driver;
> > extern struct platform_driver mtk_disp_ovl_driver;
> > extern struct platform_driver mtk_disp_rdma_driver;
> > diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile
> > index b6908db534c2..90270f8114ed 100644
> > --- a/drivers/soc/mediatek/Makefile
> > +++ b/drivers/soc/mediatek/Makefile
> > @@ -6,3 +6,4 @@ obj-$(CONFIG_MTK_PMIC_WRAP) += mtk-pmic-wrap.o
> > obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o
> > obj-$(CONFIG_MTK_SCPSYS_PM_DOMAINS) += mtk-pm-domains.o
> > obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o
> > +obj-$(CONFIG_MTK_MMSYS) += mtk-mutex.o
> > diff --git a/drivers/gpu/drm/mediatek/mtk_mutex.c b/drivers/soc/mediatek/mtk-mutex.c
> > similarity index 96%
> > rename from drivers/gpu/drm/mediatek/mtk_mutex.c
> > rename to drivers/soc/mediatek/mtk-mutex.c
> > index 66344759e622..f531b119da7a 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_mutex.c
> > +++ b/drivers/soc/mediatek/mtk-mutex.c
> > @@ -10,8 +10,7 @@
> > #include <linux/platform_device.h>
> > #include <linux/regmap.h>
> > #include <linux/soc/mediatek/mtk-mmsys.h>
> > -
> > -#include "mtk_mutex.h"
> > +#include <linux/soc/mediatek/mtk-mutex.h>
> >
> > #define MT2701_MUTEX0_MOD0 0x2c
> > #define MT2701_MUTEX0_SOF0 0x30
> > @@ -241,6 +240,7 @@ struct mtk_mutex *mtk_mutex_get(struct device *dev)
> >
> > return ERR_PTR(-EBUSY);
> > }
> > +EXPORT_SYMBOL_GPL(mtk_mutex_get);
> >
> > void mtk_mutex_put(struct mtk_mutex *mutex)
> > {
> > @@ -251,6 +251,7 @@ void mtk_mutex_put(struct mtk_mutex *mutex)
> >
> > mutex->claimed = false;
> > }
> > +EXPORT_SYMBOL_GPL(mtk_mutex_put);
> >
> > int mtk_mutex_prepare(struct mtk_mutex *mutex)
> > {
> > @@ -258,6 +259,7 @@ int mtk_mutex_prepare(struct mtk_mutex *mutex)
> > mutex[mutex->id]);
> > return clk_prepare_enable(mtx->clk);
> > }
> > +EXPORT_SYMBOL_GPL(mtk_mutex_prepare);
> >
> > void mtk_mutex_unprepare(struct mtk_mutex *mutex)
> > {
> > @@ -265,6 +267,7 @@ void mtk_mutex_unprepare(struct mtk_mutex *mutex)
> > mutex[mutex->id]);
> > clk_disable_unprepare(mtx->clk);
> > }
> > +EXPORT_SYMBOL_GPL(mtk_mutex_unprepare);
> >
> > void mtk_mutex_add_comp(struct mtk_mutex *mutex,
> > enum mtk_ddp_comp_id id)
> > @@ -316,6 +319,7 @@ void mtk_mutex_add_comp(struct mtk_mutex *mutex,
> > mtx->regs +
> > DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex->id));
> > }
> > +EXPORT_SYMBOL_GPL(mtk_mutex_add_comp);
> >
> > void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
> > enum mtk_ddp_comp_id id)
> > @@ -355,6 +359,7 @@ void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
> > break;
> > }
> > }
> > +EXPORT_SYMBOL_GPL(mtk_mutex_remove_comp);
> >
> > void mtk_mutex_enable(struct mtk_mutex *mutex)
> > {
> > @@ -365,6 +370,7 @@ void mtk_mutex_enable(struct mtk_mutex *mutex)
> >
> > writel(1, mtx->regs + DISP_REG_MUTEX_EN(mutex->id));
> > }
> > +EXPORT_SYMBOL_GPL(mtk_mutex_enable);
> >
> > void mtk_mutex_disable(struct mtk_mutex *mutex)
> > {
> > @@ -375,6 +381,7 @@ void mtk_mutex_disable(struct mtk_mutex *mutex)
> >
> > writel(0, mtx->regs + DISP_REG_MUTEX_EN(mutex->id));
> > }
> > +EXPORT_SYMBOL_GPL(mtk_mutex_disable);
> >
> > void mtk_mutex_acquire(struct mtk_mutex *mutex)
> > {
> > @@ -388,6 +395,7 @@ void mtk_mutex_acquire(struct mtk_mutex *mutex)
> > tmp, tmp & INT_MUTEX, 1, 10000))
> > pr_err("could not acquire mutex %d\n", mutex->id);
> > }
> > +EXPORT_SYMBOL_GPL(mtk_mutex_acquire);
> >
> > void mtk_mutex_release(struct mtk_mutex *mutex)
> > {
> > @@ -396,6 +404,7 @@ void mtk_mutex_release(struct mtk_mutex *mutex)
> >
> > writel(0, mtx->regs + DISP_REG_MUTEX(mutex->id));
> > }
> > +EXPORT_SYMBOL_GPL(mtk_mutex_release);
> >
> > static int mtk_mutex_probe(struct platform_device *pdev)
> > {
> > @@ -461,3 +470,5 @@ struct platform_driver mtk_mutex_driver = {
> > .of_match_table = mutex_driver_dt_match,
> > },
> > };
> > +
> > +builtin_platform_driver(mtk_mutex_driver);
> > diff --git a/drivers/gpu/drm/mediatek/mtk_mutex.h b/include/linux/soc/mediatek/mtk-mutex.h
> > similarity index 100%
> > rename from drivers/gpu/drm/mediatek/mtk_mutex.h
> > rename to include/linux/soc/mediatek/mtk-mutex.h
> > --
> > 2.17.1
> >
> >
> > _______________________________________________
> > Linux-mediatek mailing list
> > Linux-mediatek@...ts.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-mediatek
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