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drm: bridge: Constify mode arguments to bridge .mode_set() operation

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The mode and ajusted_mode passed to the bridge .mode_set() operation
should never be modified by the bridge (and are not in any of the
existing bridge drivers). Make them const to make this clear.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Laurent Pinchart
2018-04-06 17:39:01 +03:00
parent e3d093070e
commit 63f8f3badf
26 changed files with 62 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/bridge/adv7511/adv7511.h
View File

@@ -395,7 +395,7 @@ static inline int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511)
#ifdef CONFIG_DRM_I2C_ADV7533
void adv7533_dsi_power_on(struct adv7511 *adv);
void adv7533_dsi_power_off(struct adv7511 *adv);
void adv7533_mode_set(struct adv7511 *adv, struct drm_display_mode *mode);
void adv7533_mode_set(struct adv7511 *adv, const struct drm_display_mode *mode);
int adv7533_patch_registers(struct adv7511 *adv);
int adv7533_patch_cec_registers(struct adv7511 *adv);
int adv7533_attach_dsi(struct adv7511 *adv);
@@ -411,7 +411,7 @@ static inline void adv7533_dsi_power_off(struct adv7511 *adv)
}
static inline void adv7533_mode_set(struct adv7511 *adv,
struct drm_display_mode *mode)
const struct drm_display_mode *mode)
{
}

8
drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
View File

@@ -676,8 +676,8 @@ static enum drm_mode_status adv7511_mode_valid(struct adv7511 *adv7511,
}
static void adv7511_mode_set(struct adv7511 *adv7511,
struct drm_display_mode *mode,
struct drm_display_mode *adj_mode)
const struct drm_display_mode *mode,
const struct drm_display_mode *adj_mode)
{
unsigned int low_refresh_rate;
unsigned int hsync_polarity = 0;
@@ -839,8 +839,8 @@ static void adv7511_bridge_disable(struct drm_bridge *bridge)
}
static void adv7511_bridge_mode_set(struct drm_bridge *bridge,
struct drm_display_mode *mode,
struct drm_display_mode *adj_mode)
const struct drm_display_mode *mode,
const struct drm_display_mode *adj_mode)
{
struct adv7511 *adv = bridge_to_adv7511(bridge);

2
drivers/gpu/drm/bridge/adv7511/adv7533.c
View File

@@ -108,7 +108,7 @@ void adv7533_dsi_power_off(struct adv7511 *adv)
regmap_write(adv->regmap_cec, 0x27, 0x0b);
}
void adv7533_mode_set(struct adv7511 *adv, struct drm_display_mode *mode)
void adv7533_mode_set(struct adv7511 *adv, const struct drm_display_mode *mode)
{
struct mipi_dsi_device *dsi = adv->dsi;
int lanes, ret;