diff options
author | Melissa Wen <melissa.srw@gmail.com> | 2020-03-02 18:40:29 -0300 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2020-03-09 13:50:39 -0400 |
commit | aec0f262f3d2aab761a24500c1ee8874ee62b4e8 (patch) | |
tree | f6904e1ee3e14dd5756d47f0d95f53f2ebf094af | |
parent | 2f11c7c04353b48e5d691ffaa4e75944f10467d1 (diff) | |
download | linux-aec0f262f3d2aab761a24500c1ee8874ee62b4e8.tar.bz2 |
drm/amd/display: dcn20: remove an unused function
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>
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c index 13e057d7ee93..42bba7c9548b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c @@ -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, |