| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20230623155052.GX2112@pendragon.ideasonboard.com>
Date: Fri, 23 Jun 2023 18:50:52 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>
Cc: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Thomas Zimmermann <tzimmermann@...e.de>,
Magnus Damm <magnus.damm@...il.com>,
dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 20/39] drm: renesas: shmobile: Replace .dev_private with
container_of()
Hi Geert,
Thank you for the patch.
On Thu, Jun 22, 2023 at 11:21:32AM +0200, Geert Uytterhoeven wrote:
> Now that drm_device is embedded in shmob_drm_device, we can use
> a container_of()-based helper to get the shmob_drm_device pointer from
> the drm_device, instead of using the deprecated drm_device.dev_private
> field.
>
> While at it, restore reverse Xmas tree ordering of local variable
> declarations.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
> ---
> .../gpu/drm/renesas/shmobile/shmob_drm_crtc.c | 20 +++++++++----------
> .../gpu/drm/renesas/shmobile/shmob_drm_drv.c | 4 +---
> .../gpu/drm/renesas/shmobile/shmob_drm_drv.h | 5 +++++
> .../drm/renesas/shmobile/shmob_drm_plane.c | 6 +++---
> 4 files changed, 19 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c
> index 40948b56017ff2df..291b3a5014c24f08 100644
> --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c
> +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c
> @@ -63,7 +63,7 @@ static void shmob_drm_clk_off(struct shmob_drm_device *sdev)
> static void shmob_drm_crtc_setup_geometry(struct shmob_drm_crtc *scrtc)
> {
> struct drm_crtc *crtc = &scrtc->crtc;
> - struct shmob_drm_device *sdev = crtc->dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev);
> const struct shmob_drm_interface_data *idata = &sdev->pdata->iface;
> const struct drm_display_mode *mode = &crtc->mode;
> u32 value;
> @@ -102,7 +102,7 @@ static void shmob_drm_crtc_setup_geometry(struct shmob_drm_crtc *scrtc)
>
> static void shmob_drm_crtc_start_stop(struct shmob_drm_crtc *scrtc, bool start)
> {
> - struct shmob_drm_device *sdev = scrtc->crtc.dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(scrtc->crtc.dev);
> u32 value;
>
> value = lcdc_read(sdev, LDCNT2R);
> @@ -136,7 +136,7 @@ static void shmob_drm_crtc_start_stop(struct shmob_drm_crtc *scrtc, bool start)
> static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc)
> {
> struct drm_crtc *crtc = &scrtc->crtc;
> - struct shmob_drm_device *sdev = crtc->dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev);
> const struct shmob_drm_interface_data *idata = &sdev->pdata->iface;
> const struct shmob_drm_format_info *format;
> struct drm_device *dev = &sdev->ddev;
> @@ -223,7 +223,7 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc)
> static void shmob_drm_crtc_stop(struct shmob_drm_crtc *scrtc)
> {
> struct drm_crtc *crtc = &scrtc->crtc;
> - struct shmob_drm_device *sdev = crtc->dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev);
>
> if (!scrtc->started)
> return;
> @@ -280,7 +280,7 @@ static void shmob_drm_crtc_compute_base(struct shmob_drm_crtc *scrtc,
> static void shmob_drm_crtc_update_base(struct shmob_drm_crtc *scrtc)
> {
> struct drm_crtc *crtc = &scrtc->crtc;
> - struct shmob_drm_device *sdev = crtc->dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev);
>
> shmob_drm_crtc_compute_base(scrtc, crtc->x, crtc->y);
>
> @@ -322,8 +322,8 @@ static int shmob_drm_crtc_mode_set(struct drm_crtc *crtc,
> int x, int y,
> struct drm_framebuffer *old_fb)
> {
> + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev);
> struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc);
> - struct shmob_drm_device *sdev = crtc->dev->dev_private;
> const struct shmob_drm_format_info *format;
>
> format = shmob_drm_format_info(crtc->primary->fb->format->format);
> @@ -428,7 +428,7 @@ static void shmob_drm_crtc_enable_vblank(struct shmob_drm_device *sdev,
>
> static int shmob_drm_enable_vblank(struct drm_crtc *crtc)
> {
> - struct shmob_drm_device *sdev = crtc->dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev);
>
> shmob_drm_crtc_enable_vblank(sdev, true);
>
> @@ -437,7 +437,7 @@ static int shmob_drm_enable_vblank(struct drm_crtc *crtc)
>
> static void shmob_drm_disable_vblank(struct drm_crtc *crtc)
> {
> - struct shmob_drm_device *sdev = crtc->dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(crtc->dev);
>
> shmob_drm_crtc_enable_vblank(sdev, false);
> }
> @@ -511,7 +511,7 @@ static bool shmob_drm_encoder_mode_fixup(struct drm_encoder *encoder,
> struct drm_display_mode *adjusted_mode)
> {
> struct drm_device *dev = encoder->dev;
> - struct shmob_drm_device *sdev = dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(dev);
> struct drm_connector *connector = &sdev->connector.connector;
> const struct drm_display_mode *panel_mode;
>
> @@ -581,7 +581,7 @@ static inline struct shmob_drm_connector *to_shmob_connector(struct drm_connecto
>
> static int shmob_drm_connector_get_modes(struct drm_connector *connector)
> {
> - struct shmob_drm_device *sdev = connector->dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(connector->dev);
> struct drm_display_mode *mode;
>
> mode = drm_mode_create(connector->dev);
> diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
> index 2b77af3a8c97ef8c..1a1d66c6e817e227 100644
> --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
> +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
> @@ -95,7 +95,7 @@ static int shmob_drm_setup_clocks(struct shmob_drm_device *sdev,
> static irqreturn_t shmob_drm_irq(int irq, void *arg)
> {
> struct drm_device *dev = arg;
> - struct shmob_drm_device *sdev = dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(dev);
> unsigned long flags;
> u32 status;
>
> @@ -217,8 +217,6 @@ static int shmob_drm_probe(struct platform_device *pdev)
> if (ret < 0)
> return ret;
>
> - ddev->dev_private = sdev;
> -
> ret = shmob_drm_modeset_init(sdev);
> if (ret < 0)
> return dev_err_probe(&pdev->dev, ret,
> diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h
> index 77bb0da48f37ace8..5e55ba7a207865bd 100644
> --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h
> +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.h
> @@ -39,4 +39,9 @@ struct shmob_drm_device {
> struct shmob_drm_connector connector;
> };
>
> +static inline struct shmob_drm_device *to_shmob_device(struct drm_device *dev)
> +{
> + return container_of(dev, struct shmob_drm_device, ddev);
> +}
> +
> #endif /* __SHMOB_DRM_DRV_H__ */
> diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c
> index 258288c80756bf16..c58b9dca34736342 100644
> --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c
> +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c
> @@ -63,7 +63,7 @@ static void shmob_drm_plane_compute_base(struct shmob_drm_plane *splane,
> static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane,
> struct drm_framebuffer *fb)
> {
> - struct shmob_drm_device *sdev = splane->plane.dev->dev_private;
> + struct shmob_drm_device *sdev = to_shmob_device(splane->plane.dev);
> u32 format;
>
> /* TODO: Support ROP3 mode */
> @@ -135,8 +135,8 @@ shmob_drm_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
> uint32_t src_w, uint32_t src_h,
> struct drm_modeset_acquire_ctx *ctx)
> {
> + struct shmob_drm_device *sdev = to_shmob_device(plane->dev);
> struct shmob_drm_plane *splane = to_shmob_plane(plane);
> - struct shmob_drm_device *sdev = plane->dev->dev_private;
> const struct shmob_drm_format_info *format;
>
> format = shmob_drm_format_info(fb->format->format);
> @@ -167,8 +167,8 @@ shmob_drm_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
> static int shmob_drm_plane_disable(struct drm_plane *plane,
> struct drm_modeset_acquire_ctx *ctx)
> {
> + struct shmob_drm_device *sdev = to_shmob_device(plane->dev);
> struct shmob_drm_plane *splane = to_shmob_plane(plane);
> - struct shmob_drm_device *sdev = plane->dev->dev_private;
>
> splane->format = NULL;
>
--
Regards,
Laurent Pinchart
Powered by blists - more mailing lists