drm/i915/sdvo: Constify mapping structs

We aren't intending to mutate the SDVO device mapping structs,
so make them const.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230829113920.13713-13-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
index 135a2527fd1b488c8641e10759db86c633230913..881bbbb8513f4b5620f219ad52e90c998a41440d 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -2576,7 +2576,7 @@ intel_sdvo_select_ddc_bus(struct intel_sdvo *sdvo,
                          struct intel_sdvo_connector *connector)
 {
        struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
-       struct sdvo_device_mapping *mapping;
+       const struct sdvo_device_mapping *mapping;
        int ddc_bus;
 
        if (sdvo->base.port == PORT_B)
@@ -2599,7 +2599,7 @@ static void
 intel_sdvo_select_i2c_bus(struct intel_sdvo *sdvo)
 {
        struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
-       struct sdvo_device_mapping *mapping;
+       const struct sdvo_device_mapping *mapping;
        u8 pin;
 
        if (sdvo->base.port == PORT_B)
@@ -2644,7 +2644,7 @@ static u8
 intel_sdvo_get_slave_addr(struct intel_sdvo *sdvo)
 {
        struct drm_i915_private *dev_priv = to_i915(sdvo->base.base.dev);
-       struct sdvo_device_mapping *my_mapping, *other_mapping;
+       const struct sdvo_device_mapping *my_mapping, *other_mapping;
 
        if (sdvo->base.port == PORT_B) {
                my_mapping = &dev_priv->display.vbt.sdvo_mappings[0];