[why]:
This reverts commit 
2ff33c759a4247c84ec0b7815f1f223e155ba82a.
The commit caused corruption when running some applications in fullscreen
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Sohaib Nadeem <sohaib.nadeem@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
        struct _vcs_dpi_voltage_scaling_st entry = {0};
        struct clk_limit_table_entry max_clk_data = {0};
 
-       unsigned int min_dcfclk_mhz = 399, min_fclk_mhz = 599;
+       unsigned int min_dcfclk_mhz = 199, min_fclk_mhz = 299;
 
        static const unsigned int num_dcfclk_stas = 5;
        unsigned int dcfclk_sta_targets[DC__VOLTAGE_STATES] = {199, 615, 906, 1324, 1564};