drm/i2c/ch7006: Constify ch7006_tv_norms[] and ch7006_modes[]

 drivers/gpu/drm/i2c/ch7006.ko:
-.text                        5913
+.text                        5897
-.rodata                       664
+.rodata                      7256
-.data                        6992
+.data                         416
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i2c/ch7006_mode.c

@@ -46,7 +46,7 @@ const char * const ch7006_tv_norm_names[] = {
 		.vtotal = 625,					\
 		.hvirtual = 810
 
-struct ch7006_tv_norm_info ch7006_tv_norms[] = {
+const struct ch7006_tv_norm_info ch7006_tv_norms[] = {
 	[TV_NORM_NTSC_M] = {
 		NTSC_LIKE_TIMINGS,
 		.black_level = 0.339 * fixed1,
@@ -142,7 +142,7 @@ struct ch7006_tv_norm_info ch7006_tv_norms[] = {
 
 #define PAL_LIKE (1 << TV_NORM_PAL | 1 << TV_NORM_PAL_N | 1 << TV_NORM_PAL_NC)
 
-struct ch7006_mode ch7006_modes[] = {
+const struct ch7006_mode ch7006_modes[] = {
 	MODE(21000, 512, 384, 840, 500, N, N, 181.797557582, 5_4, 0x6, PAL_LIKE),
 	MODE(26250, 512, 384, 840, 625, N, N, 145.438046066, 1_1, 0x1, PAL_LIKE),
 	MODE(20140, 512, 384, 800, 420, N, N, 213.257083791, 5_4, 0x4, NTSC_LIKE),
@@ -171,11 +171,11 @@ struct ch7006_mode ch7006_modes[] = {
 	{}
 };
 
-struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder,
-				       const struct drm_display_mode *drm_mode)
+const struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder,
+					     const struct drm_display_mode *drm_mode)
 {
 	struct ch7006_priv *priv = to_ch7006_priv(encoder);
-	struct ch7006_mode *mode;
+	const struct ch7006_mode *mode;
 
 	for (mode = ch7006_modes; mode->mode.clock; mode++) {
 
@@ -233,8 +233,8 @@ void ch7006_setup_subcarrier(struct drm_encoder *encoder)
 	struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
 	struct ch7006_priv *priv = to_ch7006_priv(encoder);
 	struct ch7006_state *state = &priv->state;
-	struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
-	struct ch7006_mode *mode = priv->mode;
+	const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
+	const struct ch7006_mode *mode = priv->mode;
 	uint32_t subc_inc;
 
 	subc_inc = round_fixed((mode->subc_coeff >> 8)
@@ -257,7 +257,7 @@ void ch7006_setup_pll(struct drm_encoder *encoder)
 	struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
 	struct ch7006_priv *priv = to_ch7006_priv(encoder);
 	uint8_t *regs = priv->state.regs;
-	struct ch7006_mode *mode = priv->mode;
+	const struct ch7006_mode *mode = priv->mode;
 	int n, best_n = 0;
 	int m, best_m = 0;
 	int freq, best_freq = 0;
@@ -328,9 +328,9 @@ void ch7006_setup_properties(struct drm_encoder *encoder)
 	struct i2c_client *client = drm_i2c_encoder_get_client(encoder);
 	struct ch7006_priv *priv = to_ch7006_priv(encoder);
 	struct ch7006_state *state = &priv->state;
-	struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
-	struct ch7006_mode *ch_mode = priv->mode;
-	struct drm_display_mode *mode = &ch_mode->mode;
+	const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm];
+	const struct ch7006_mode *ch_mode = priv->mode;
+	const struct drm_display_mode *mode = &ch_mode->mode;
 	uint8_t *regs = state->regs;
 	int flicker, contrast, hpos, vpos;
 	uint64_t scale, aspect;

drivers/gpu/drm/i2c/ch7006_priv.h

@@ -78,7 +78,7 @@ struct ch7006_state {
 
 struct ch7006_priv {
 	struct ch7006_encoder_params params;
-	struct ch7006_mode *mode;
+	const struct ch7006_mode *mode;
 
 	struct ch7006_state state;
 	struct ch7006_state saved_state;
@@ -107,11 +107,11 @@ extern char *ch7006_tv_norm;
 extern int ch7006_scale;
 
 extern const char * const ch7006_tv_norm_names[];
-extern struct ch7006_tv_norm_info ch7006_tv_norms[];
-extern struct ch7006_mode ch7006_modes[];
+extern const struct ch7006_tv_norm_info ch7006_tv_norms[];
+extern const struct ch7006_mode ch7006_modes[];
 
-struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder,
-				       const struct drm_display_mode *drm_mode);
+const struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder,
+					     const struct drm_display_mode *drm_mode);
 
 void ch7006_setup_levels(struct drm_encoder *encoder);
 void ch7006_setup_subcarrier(struct drm_encoder *encoder);