[PATCH 24/25] drm/amd/display: Add detile buffer size for DCN20

[sunpeng.li at amd.com]

From: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>

Detile buffer size affects dcc caps and therefore needs to be
corrected for each ip.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
Reviewed-by: Chris Park <Chris.Park at amd.com>
Acked-by: Leo Li <sunpeng.li at amd.com>
---
 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,
-- 
2.22.0