disp: msm: snapshot change for mdp driver to support multiple SIs

This change adds support in mdp and dsi driver to support
multiple SIS.

Change-Id: I432068cea17e1784d7570a472fbadaa86695df07
Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
Signed-off-by: Amine Najahi <anajahi@codeaurora.org>

msm/sde_dbg.c

@@ -667,8 +667,13 @@ void sde_mini_dump_add_va_region(const char *name, u32 size, void *virt_addr)
 }
 #endif
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0))
 static int _sde_dump_reg_range_cmp(void *priv, const struct list_head *a,
 		const struct list_head *b)
+#else
+static int _sde_dump_reg_range_cmp(void *priv, struct list_head *a,
+		struct list_head *b)
+#endif
 {
 	struct sde_dbg_reg_range *ar, *br;
 
@@ -681,8 +686,13 @@ static int _sde_dump_reg_range_cmp(void *priv, const struct list_head *a,
 	return ar->offset.start - br->offset.start;
 }
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0))
 static int _sde_dump_blk_phys_addr_cmp(void *priv, const struct list_head *a,
 		const struct list_head *b)
+#else
+static int _sde_dump_blk_phys_addr_cmp(void *priv, struct list_head *a,
+		struct list_head *b)
+#endif
 {
 	struct sde_dbg_reg_base *ar, *br;