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drm/amd/display: Check scaling ration not viewports params.

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In case of roation, width and height in viewport is difference
between viewport and h_active and v_active, while this is not scaling.
The right way is check ratios in scaling data,
to determine it is a scaling case or not.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yongqiang Sun 2018-06-08 13:07:53 -05:00 committed by Alex Deucher
parent bf28c2e205
commit b6c3053a8f
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
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@ -145,10 +145,10 @@ static bool dpp_get_optimal_number_of_taps(
pixel_width = scl_data->viewport.width;
/* Some ASICs does not support FP16 scaling, so we reject modes require this*/
if (scl_data->viewport.width != scl_data->h_active &&
scl_data->viewport.height != scl_data->v_active &&
if (scl_data->format == PIXEL_FORMAT_FP16 &&
dpp->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT &&
scl_data->format == PIXEL_FORMAT_FP16)
scl_data->ratios.horz.value != dc_fixpt_one.value &&
scl_data->ratios.vert.value != dc_fixpt_one.value)
return false;
if (scl_data->viewport.width > scl_data->h_active &&