From ec4388a267e09061ca401eb7c2dcf104385c1a65 Mon Sep 17 00:00:00 2001 From: Dmytro Laktyushkin Date: Tue, 3 Sep 2019 14:10:28 -0400 Subject: [PATCH] drm/amd/display: Add detile buffer size for DCN20 Detile buffer size affects dcc caps and therefore needs to be corrected for each ip. Signed-off-by: Dmytro Laktyushkin Reviewed-by: Chris Park Acked-by: Leo Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c | 7 ++++--- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.h | 1 + 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c index e0a6e30ac3e1..8b8438566101 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c @@ -186,14 +186,13 @@ static void hubbub2_get_blk256_size(unsigned int *blk256_width, unsigned int *bl } static void hubbub2_det_request_size( + unsigned int detile_buf_size, unsigned int height, unsigned int width, unsigned int bpe, bool *req128_horz_wc, bool *req128_vert_wc) { - unsigned int detile_buf_size = 164 * 1024; /* 164KB for DCN1.0 */ - unsigned int blk256_height = 0; unsigned int blk256_width = 0; unsigned int swath_bytes_horz_wc, swath_bytes_vert_wc; @@ -236,7 +235,8 @@ bool hubbub2_get_dcc_compression_cap(struct hubbub *hubbub, &segment_order_horz, &segment_order_vert)) return false; - hubbub2_det_request_size(input->surface_size.height, input->surface_size.width, + hubbub2_det_request_size(TO_DCN20_HUBBUB(hubbub)->detile_buf_size, + input->surface_size.height, input->surface_size.width, bpe, &req128_horz_wc, &req128_vert_wc); if (!req128_horz_wc && !req128_vert_wc) { @@ -619,4 +619,5 @@ void hubbub2_construct(struct dcn20_hubbub *hubbub, hubbub->masks = hubbub_mask; hubbub->debug_test_index_pstate = 0xB; + hubbub->detile_buf_size = 164 * 1024; /* 164KB for DCN2.0 */ } diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.h index 626117d3b4e9..501532dd523a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.h +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.h @@ -81,6 +81,7 @@ struct dcn20_hubbub { unsigned int debug_test_index_pstate; struct dcn_watermark_set watermarks; struct dcn20_vmid vmid[16]; + unsigned int detile_buf_size; }; void hubbub2_construct(struct dcn20_hubbub *hubbub, -- 2.30.2