From: Neil Armstrong <narmstrong@baylibre.com>
To: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
dri-devel@lists.freedesktop.org
Cc: linux-renesas-soc@vger.kernel.org,
"Andrzej Hajda" <a.hajda@samsung.com>,
"Jernej Skrabec" <jernej.skrabec@siol.net>,
"Jonas Karlman" <jonas@kwiboo.se>,
"Sam Ravnborg" <sam@ravnborg.org>,
"Kieran Bingham" <kieran.bingham@ideasonboard.com>,
"Sandy Huang" <hjc@rock-chips.com>,
"Heiko Stübner" <heiko@sntech.de>,
"Maxime Ripard" <mripard@kernel.org>,
"Chen-Yu Tsai" <wens@csie.org>,
linux-amlogic@lists.infradead.org
Subject: Re: [PATCH 16/27] drm: bridge: dw-hdmi: Constify mode argument to dw_hdmi_phy_ops .init()
Date: Tue, 26 May 2020 11:46:41 +0200 [thread overview]
Message-ID: <96ba8829-74e6-0a4e-2840-7bd8b113dbf3@baylibre.com> (raw)
In-Reply-To: <20200526011505.31884-17-laurent.pinchart+renesas@ideasonboard.com>
On 26/05/2020 03:14, Laurent Pinchart wrote:
> The PHY .init() must not modify the mode it receives. Make the pointer
> const to enfore that.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> ---
> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 +-
> drivers/gpu/drm/meson/meson_dw_hdmi.c | 4 ++--
> drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 2 +-
> drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c | 2 +-
> include/drm/bridge/dw_hdmi.h | 2 +-
> 5 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> index 23650e69604c..6e6a3d95e68e 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> @@ -1531,7 +1531,7 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi)
> }
>
> static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data,
> - struct drm_display_mode *mode)
> + const struct drm_display_mode *mode)
> {
> int i, ret;
>
> diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> index 71d599970ec7..757c17fbb29f 100644
> --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
> +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> @@ -297,7 +297,7 @@ static inline void dw_hdmi_dwc_write_bits(struct meson_dw_hdmi *dw_hdmi,
>
> /* Setup PHY bandwidth modes */
> static void meson_hdmi_phy_setup_mode(struct meson_dw_hdmi *dw_hdmi,
> - struct drm_display_mode *mode)
> + const struct drm_display_mode *mode)
> {
> struct meson_drm *priv = dw_hdmi->priv;
> unsigned int pixel_clock = mode->clock;
> @@ -427,7 +427,7 @@ static void dw_hdmi_set_vclk(struct meson_dw_hdmi *dw_hdmi,
> }
>
> static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data,
> - struct drm_display_mode *mode)
> + const struct drm_display_mode *mode)
> {
> struct meson_dw_hdmi *dw_hdmi = (struct meson_dw_hdmi *)data;
> struct meson_drm *priv = dw_hdmi->priv;
> diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
> index d286751bb333..10e210f6455d 100644
> --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
> +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
> @@ -312,7 +312,7 @@ static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_fun
> };
>
> static int dw_hdmi_rockchip_genphy_init(struct dw_hdmi *dw_hdmi, void *data,
> - struct drm_display_mode *mode)
> + const struct drm_display_mode *mode)
> {
> struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
>
> diff --git a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
> index 43643ad31730..8e078cacf063 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
> @@ -341,7 +341,7 @@ static int sun8i_hdmi_phy_config_h3(struct dw_hdmi *hdmi,
> }
>
> static int sun8i_hdmi_phy_config(struct dw_hdmi *hdmi, void *data,
> - struct drm_display_mode *mode)
> + const struct drm_display_mode *mode)
> {
> struct sun8i_hdmi_phy *phy = (struct sun8i_hdmi_phy *)data;
> u32 val = 0;
> diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
> index fec293b21c2e..f930d218cc6b 100644
> --- a/include/drm/bridge/dw_hdmi.h
> +++ b/include/drm/bridge/dw_hdmi.h
> @@ -114,7 +114,7 @@ struct dw_hdmi_phy_config {
>
> struct dw_hdmi_phy_ops {
> int (*init)(struct dw_hdmi *hdmi, void *data,
> - struct drm_display_mode *mode);
> + const struct drm_display_mode *mode);
> void (*disable)(struct dw_hdmi *hdmi, void *data);
> enum drm_connector_status (*read_hpd)(struct dw_hdmi *hdmi, void *data);
> void (*update_hpd)(struct dw_hdmi *hdmi, void *data,
>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
next prev parent reply other threads:[~2020-05-26 9:46 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 1:14 [PATCH 00/27] Converter R-Car DU to the DRM bridge connector helper Laurent Pinchart
2020-05-26 1:14 ` [PATCH 01/27] drm: bridge: adv7511: Split EDID read to a separate function Laurent Pinchart
2020-05-26 1:14 ` [PATCH 02/27] drm: bridge: adv7511: Split connector creation " Laurent Pinchart
2020-05-26 1:14 ` [PATCH 03/27] drm: bridge: adv7511: Implement bridge connector operations Laurent Pinchart
2020-06-21 8:25 ` Sam Ravnborg
2020-05-26 1:14 ` [PATCH 04/27] drm: bridge: adv7511: Make connector creation optional Laurent Pinchart
2020-05-26 1:14 ` [PATCH 05/27] drm: bridge: Return NULL on error from drm_bridge_get_edid() Laurent Pinchart
2020-06-21 8:26 ` Sam Ravnborg
2020-05-26 1:14 ` [PATCH 06/27] drm: bridge: simple-bridge: Delegate operations to next bridge Laurent Pinchart
2020-05-26 1:14 ` [PATCH 07/27] drm: bridge: simple-bridge: Make connector creation optional Laurent Pinchart
2020-05-26 1:14 ` [PATCH 08/27] drm: rcar-du: lvds: Convert to DRM panel bridge helper Laurent Pinchart
2020-05-26 1:14 ` [PATCH 09/27] drm: edid: Constify connector argument to infoframe functions Laurent Pinchart
2020-06-21 8:27 ` Sam Ravnborg
2020-05-26 1:14 ` [PATCH 10/27] drm: bridge: Pass drm_display_info to drm_bridge_funcs .mode_valid() Laurent Pinchart
2020-05-26 12:51 ` Neil Armstrong
2020-05-26 12:59 ` Boris Brezillon
2020-05-26 14:05 ` Guido Günther
2020-05-26 1:14 ` [PATCH 11/27] drm: bridge: dw-hdmi: Pass private data pointer to .mode_valid() Laurent Pinchart
2020-05-26 9:44 ` Neil Armstrong
2020-05-26 1:14 ` [PATCH 12/27] drm: bridge: dw-hdmi: Pass private data pointer to .configure_phy() Laurent Pinchart
2020-05-26 9:45 ` Neil Armstrong
2020-05-26 1:14 ` [PATCH 13/27] drm: bridge: dw-hdmi: Remove unused field from dw_hdmi_plat_data Laurent Pinchart
2020-05-26 9:45 ` Neil Armstrong
2020-05-26 1:14 ` [PATCH 14/27] drm: meson: dw-hdmi: Use dw_hdmi context to replace hack Laurent Pinchart
2020-05-26 12:32 ` Neil Armstrong
2020-05-26 1:14 ` [PATCH 15/27] drm: bridge: dw-hdmi: Pass drm_display_info to .mode_valid() Laurent Pinchart
2020-05-26 9:46 ` Neil Armstrong
2020-05-26 1:14 ` [PATCH 16/27] drm: bridge: dw-hdmi: Constify mode argument to dw_hdmi_phy_ops .init() Laurent Pinchart
2020-05-26 9:46 ` Neil Armstrong [this message]
2020-05-26 1:14 ` [PATCH 17/27] drm: bridge: dw-hdmi: Constify mode argument to internal functions Laurent Pinchart
2020-05-26 9:46 ` Neil Armstrong
2020-05-26 1:14 ` [PATCH 18/27] drm: bridge: dw-hdmi: Pass drm_display_info to dw_hdmi_support_scdc() Laurent Pinchart
2020-05-26 9:48 ` Neil Armstrong
2020-05-26 1:14 ` [PATCH 19/27] drm: bridge: dw-hdmi: Split connector creation to a separate function Laurent Pinchart
2020-05-26 9:49 ` Neil Armstrong
2020-05-26 1:14 ` [PATCH 20/27] drm: bridge: dw-hdmi: Store current connector in struct dw_hdmi Laurent Pinchart
2020-05-26 12:29 ` Neil Armstrong
2020-05-26 1:14 ` [PATCH 21/27] drm: bridge: dw-hdmi: Pass drm_connector to internal functions as needed Laurent Pinchart
2020-05-26 12:29 ` Neil Armstrong
2020-05-26 1:15 ` [PATCH 22/27] drm: bridge: dw-hdmi: Make connector creation optional Laurent Pinchart
2020-05-26 12:35 ` Neil Armstrong
2020-06-07 1:19 ` Laurent Pinchart
2020-05-26 1:15 ` [PATCH 23/27] drm: bridge: dw-hdmi: Attach to next bridge if available Laurent Pinchart
2020-05-26 12:50 ` Neil Armstrong
2020-05-26 14:23 ` Jonas Karlman
2020-06-07 1:24 ` Laurent Pinchart
2020-06-07 1:22 ` Laurent Pinchart
2020-05-26 1:15 ` [PATCH 24/27] drm: rcar-du: dw-hdmi: Set output port number Laurent Pinchart
2020-05-26 1:15 ` [PATCH 25/27] drm: rcar-du: Fix error handling in rcar_du_encoder_init() Laurent Pinchart
2020-05-26 1:15 ` [PATCH 26/27] drm: rcar-du: Use drm_bridge_connector_init() helper Laurent Pinchart
2020-05-26 1:15 ` [PATCH 27/27] drm: Add default modes for connectors in unknown state Laurent Pinchart
2020-06-21 8:40 ` Sam Ravnborg
2020-06-24 1:12 ` Laurent Pinchart
2020-06-24 7:23 ` Daniel Vetter
2020-06-24 15:24 ` Alex Deucher
2020-06-24 19:31 ` Daniel Vetter
2020-06-24 19:40 ` Alex Deucher
2020-06-25 7:56 ` Daniel Vetter
2020-06-25 7:57 ` Daniel Vetter
2020-06-25 10:31 ` Pekka Paalanen
2020-06-25 10:44 ` Daniel Vetter
2020-06-26 8:59 ` Pekka Paalanen
2020-06-26 9:25 ` Daniel Stone
2020-06-26 13:35 ` Daniel Vetter
2020-06-24 22:47 ` Laurent Pinchart
2020-06-23 18:55 ` [PATCH 00/27] Converter R-Car DU to the DRM bridge connector helper Sam Ravnborg
2020-06-25 8:48 ` Liu Ying
2020-06-27 19:55 ` Sam Ravnborg
2020-06-28 8:28 ` Laurent Pinchart
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