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drm/amd/display: dcn20: remove an unused function

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The dpp2_get_optimal_number_of_taps function is never used. Removing
just for code cleaning up.

Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Melissa Wen 2020-03-02 18:40:29 -03:00 committed by Alex Deucher
parent 2f11c7c043
commit aec0f262f3
1 changed files with 0 additions and 78 deletions
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78
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
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@ -369,84 +369,6 @@ void dpp2_set_cursor_attributes(
}
}
#define IDENTITY_RATIO(ratio) (dc_fixpt_u3d19(ratio) == (1 << 19))
bool dpp2_get_optimal_number_of_taps(
struct dpp *dpp,
struct scaler_data *scl_data,
const struct scaling_taps *in_taps)
{
/* 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 &&
dpp->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT &&
scl_data->format == PIXEL_FORMAT_FP16)
return false;
if (scl_data->viewport.width > scl_data->h_active &&
dpp->ctx->dc->debug.max_downscale_src_width != 0 &&
scl_data->viewport.width > dpp->ctx->dc->debug.max_downscale_src_width)
return false;
/* TODO: add lb check */
/* No support for programming ratio of 8, drop to 7.99999.. */
if (scl_data->ratios.horz.value == (8ll << 32))
scl_data->ratios.horz.value--;
if (scl_data->ratios.vert.value == (8ll << 32))
scl_data->ratios.vert.value--;
if (scl_data->ratios.horz_c.value == (8ll << 32))
scl_data->ratios.horz_c.value--;
if (scl_data->ratios.vert_c.value == (8ll << 32))
scl_data->ratios.vert_c.value--;
/* Set default taps if none are provided */
if (in_taps->h_taps == 0) {
if (dc_fixpt_ceil(scl_data->ratios.horz) > 4)
scl_data->taps.h_taps = 8;
else
scl_data->taps.h_taps = 4;
} else
scl_data->taps.h_taps = in_taps->h_taps;
if (in_taps->v_taps == 0) {
if (dc_fixpt_ceil(scl_data->ratios.vert) > 4)
scl_data->taps.v_taps = 8;
else
scl_data->taps.v_taps = 4;
} else
scl_data->taps.v_taps = in_taps->v_taps;
if (in_taps->v_taps_c == 0) {
if (dc_fixpt_ceil(scl_data->ratios.vert_c) > 4)
scl_data->taps.v_taps_c = 4;
else
scl_data->taps.v_taps_c = 2;
} else
scl_data->taps.v_taps_c = in_taps->v_taps_c;
if (in_taps->h_taps_c == 0) {
if (dc_fixpt_ceil(scl_data->ratios.horz_c) > 4)
scl_data->taps.h_taps_c = 4;
else
scl_data->taps.h_taps_c = 2;
} else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1)
/* Only 1 and even h_taps_c are supported by hw */
scl_data->taps.h_taps_c = in_taps->h_taps_c - 1;
else
scl_data->taps.h_taps_c = in_taps->h_taps_c;
if (!dpp->ctx->dc->debug.always_scale) {
if (IDENTITY_RATIO(scl_data->ratios.horz))
scl_data->taps.h_taps = 1;
if (IDENTITY_RATIO(scl_data->ratios.vert))
scl_data->taps.v_taps = 1;
if (IDENTITY_RATIO(scl_data->ratios.horz_c))
scl_data->taps.h_taps_c = 1;
if (IDENTITY_RATIO(scl_data->ratios.vert_c))
scl_data->taps.v_taps_c = 1;
}
return true;
}
void oppn20_dummy_program_regamma_pwl(
struct dpp *dpp,
const struct pwl_params *params,