Re: [PATCH] drm/amd/display: dcn20: remove an unused function

Hi,

Thanks for your patch, everything lgtm.

Reviewed-by: Rodrigo Siqueira Rodrigo.Siqueira@amd.com

On 03/02, Melissa Wen wrote:

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

.../gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c | 78 ------------------- 1 file changed, 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, -- 2.25.1