+void viafb_set_primary_pitch(u32 pitch)
+{
+ DEBUG_MSG(KERN_DEBUG "viafb_set_primary_pitch(0x%08X)\n", pitch);
+ /* spec does not say that first adapter skips 3 bits but old
+ * code did it and seems to be reasonable in analogy to 2nd adapter
+ */
+ pitch = pitch >> 3;
+ viafb_write_reg(0x13, VIACR, pitch & 0xFF);
+ viafb_write_reg_mask(0x35, VIACR, (pitch >> (8 - 5)) & 0xE0, 0xE0);
+}
+
+void viafb_set_secondary_pitch(u32 pitch)
+{
+ DEBUG_MSG(KERN_DEBUG "viafb_set_secondary_pitch(0x%08X)\n", pitch);
+ pitch = pitch >> 3;
+ viafb_write_reg(0x66, VIACR, pitch & 0xFF);
+ viafb_write_reg_mask(0x67, VIACR, (pitch >> 8) & 0x03, 0x03);
+ viafb_write_reg_mask(0x71, VIACR, (pitch >> (10 - 7)) & 0x80, 0x80);
+}
+