Commit ec4388a2 authored by Dmytro Laktyushkin's avatar Dmytro Laktyushkin Committed by Alex Deucher
Browse files

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: default avatarDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: default avatarChris Park <Chris.Park@amd.com>
Acked-by: default avatarLeo Li <sunpeng.li@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 08b66279

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c

+4 −3
Original line number Diff line number Diff line
@@ -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 */

}

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.h

+1 −0
Original line number Diff line number Diff line
@@ -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,

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