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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2020-05-26 04:14:55 +0300
committerSam Ravnborg <sam@ravnborg.org>2020-06-23 19:56:43 +0200
commit9fbfa320b435e6f25499a63f7bb74b4fc5341b30 (patch)
tree082df0ea433c61126028877083a8d550135190fa
parent35a395f1134bbbd2984dcca28c04f09fbbb8b0a4 (diff)
downloadlinux-9fbfa320b435e6f25499a63f7bb74b4fc5341b30.tar.bz2
drm: bridge: dw-hdmi: Constify mode argument to internal functions
Several internal functions take a drm_display_mode argument to configure the HDMI encoder or the HDMI PHY. They must not modify the mode, make the pointer const to enforce that. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200526011505.31884-18-laurent.pinchart+renesas@ideasonboard.com
-rw-r--r--drivers/gpu/drm/bridge/synopsys/dw-hdmi.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 6e6a3d95e68e..5b5f07a23400 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -1628,7 +1628,8 @@ static void hdmi_tx_hdcp_config(struct dw_hdmi *hdmi)
HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_MASK, HDMI_A_HDCPCFG1);
}
-static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
+static void hdmi_config_AVI(struct dw_hdmi *hdmi,
+ const struct drm_display_mode *mode)
{
struct hdmi_avi_infoframe frame;
u8 val;
@@ -1756,7 +1757,7 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
}
static void hdmi_config_vendor_specific_infoframe(struct dw_hdmi *hdmi,
- struct drm_display_mode *mode)
+ const struct drm_display_mode *mode)
{
struct hdmi_vendor_infoframe frame;
u8 buffer[10];
@@ -2112,7 +2113,8 @@ static void hdmi_disable_overflow_interrupts(struct dw_hdmi *hdmi)
HDMI_IH_MUTE_FC_STAT2);
}
-static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
+static int dw_hdmi_setup(struct dw_hdmi *hdmi,
+ const struct drm_display_mode *mode)
{
int ret;