| Message ID | 20200526011505.31884-18-laurent.pinchart+renesas@ideasonboard.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Converter R-Car DU to the DRM bridge connector helper | expand |
On 26/05/2020 03:14, Laurent Pinchart wrote: > 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> > --- > drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 8 +++++--- > 1 file 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; > > Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
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;
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> --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)