(!dce110_compressor_is_fbc_enabled_in_hw(compressor, NULL))) {
uint32_t addr;
- uint32_t value;
+ uint32_t value, misc_value;
addr = mmFBC_CNTL;
compressor->attached_inst = params->inst;
cp110->offsets = reg_offsets[params->inst];
- /*Toggle it as there is bug in HW */
+ /* Toggle it as there is bug in HW */
set_reg_field_value(value, 0, FBC_CNTL, FBC_GRPH_COMP_EN);
dm_write_reg(compressor->ctx, addr, value);
+
+ /* FBC usage with scatter & gather for dce110 */
+ misc_value = dm_read_reg(compressor->ctx, mmFBC_MISC);
+
+ set_reg_field_value(misc_value, 1,
+ FBC_MISC, FBC_INVALIDATE_ON_ERROR);
+ set_reg_field_value(misc_value, 1,
+ FBC_MISC, FBC_DECOMPRESS_ERROR_CLEAR);
+ set_reg_field_value(misc_value, 0x14,
+ FBC_MISC, FBC_SLOW_REQ_INTERVAL);
+
+ dm_write_reg(compressor->ctx, mmFBC_MISC, misc_value);
+
+ /* Enable FBC */
set_reg_field_value(value, 1, FBC_CNTL, FBC_GRPH_COMP_EN);
dm_write_reg(compressor->ctx, addr, value);