diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c index 9c78446c3a9d..6a6d5970d1d5 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c @@ -293,13 +293,31 @@ static void handle_det_buf_split(struct display_mode_lib *mode_lib, if (surf_linear) { log2_swath_height_l = 0; log2_swath_height_c = 0; - } else if (!surf_vert) { - log2_swath_height_l = dml_log2(rq_param->misc.rq_l.blk256_height) - req128_l; - log2_swath_height_c = dml_log2(rq_param->misc.rq_c.blk256_height) - req128_c; } else { - log2_swath_height_l = dml_log2(rq_param->misc.rq_l.blk256_width) - req128_l; - log2_swath_height_c = dml_log2(rq_param->misc.rq_c.blk256_width) - req128_c; + unsigned int swath_height_l; + unsigned int swath_height_c; + + if (!surf_vert) { + swath_height_l = rq_param->misc.rq_l.blk256_height; + swath_height_c = rq_param->misc.rq_c.blk256_height; + } else { + swath_height_l = rq_param->misc.rq_l.blk256_width; + swath_height_c = rq_param->misc.rq_c.blk256_width; + } + + if (swath_height_l > 0) + log2_swath_height_l = dml_log2(swath_height_l); + + if (req128_l && log2_swath_height_l > 0) + log2_swath_height_l -= 1; + + if (swath_height_c > 0) + log2_swath_height_c = dml_log2(swath_height_c); + + if (req128_c && log2_swath_height_c > 0) + log2_swath_height_c -= 1; } + rq_param->dlg.rq_l.swath_height = 1 << log2_swath_height_l; rq_param->dlg.rq_c.swath_height = 1 << log2_swath_height_c; |