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drm/amd/display: Fixed bandwidth calculation error when converting fractions

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[Problem]
VSR greyed out

[Root cause]
When converting fractions, we were using the integer function, which let to
a large display clock and the view was not supported

[Solution]
Change the integer to fraction functions

Signed-off-by: Logatharshan Thothiralingam <logatharshan.thothiralingam@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Logatharshan Thothiralingam 2017-03-09 11:37:26 -05:00 committed by Alex Deucher
parent a783e7b518
commit 1de8c33bbd
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
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@ -796,11 +796,11 @@ static void calculate_bandwidth(
}
else if (bw_leq(data->vsr[i], bw_int_to_fixed(1))) {
data->lb_lines_in_per_line_out_in_middle_of_frame[i] = bw_int_to_fixed(1);
}
else if (bw_leq(data->vsr[i], bw_int_to_fixed(4 / 3))) {
} else if (bw_leq(data->vsr[i],
bw_frc_to_fixed(4, 3))) {
data->lb_lines_in_per_line_out_in_middle_of_frame[i] = bw_div(bw_int_to_fixed(4), bw_int_to_fixed(3));
}
else if (bw_leq(data->vsr[i], bw_int_to_fixed(6 / 4))) {
} else if (bw_leq(data->vsr[i],
bw_frc_to_fixed(6, 4))) {
data->lb_lines_in_per_line_out_in_middle_of_frame[i] = bw_div(bw_int_to_fixed(6), bw_int_to_fixed(4));
}
else if (bw_leq(data->vsr[i], bw_int_to_fixed(2))) {