Commit 234cc26f authored by Dmytro Laktyushkin's avatar Dmytro Laktyushkin Committed by Alex Deucher
Browse files

drm/amd/display: revert max lb lines change 



Some hardware revisions do have a max number of lines limitation
not honouring which can cause pstate switch underflow.

Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: default avatarEric Bernstein <Eric.Bernstein@amd.com>
Acked-by: default avatarSolomon Chiu <solomon.chiu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 1c85f3db

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c

+1 −1
Original line number Diff line number Diff line
@@ -82,7 +82,7 @@ const struct _vcs_dpi_ip_params_st dcn1_0_ip = { 
	.meta_chunk_size_kbytes = 2,

	.writeback_chunk_size_kbytes = 2,

	.line_buffer_size_bits = 589824,

	.max_line_buffer_lines = 32,

	.max_line_buffer_lines = 12,

	.IsLineBufferBppFixed = 0,

	.LineBufferFixedBpp = -1,

	.writeback_luma_buffer_size_kbytes = 12,

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

+2 −2
Original line number Diff line number Diff line
@@ -112,7 +112,7 @@ struct _vcs_dpi_ip_params_st dcn2_0_ip = { 
	.is_line_buffer_bpp_fixed = 0,

	.line_buffer_fixed_bpp = 0,

	.dcc_supported = true,

	.max_line_buffer_lines = 32,

	.max_line_buffer_lines = 12,

	.writeback_luma_buffer_size_kbytes = 12,

	.writeback_chroma_buffer_size_kbytes = 8,

	.writeback_chroma_line_buffer_width_pixels = 4,
@@ -180,7 +180,7 @@ static struct _vcs_dpi_ip_params_st dcn2_0_nv14_ip = { 
	.is_line_buffer_bpp_fixed = 0,

	.line_buffer_fixed_bpp = 0,

	.dcc_supported = true,

	.max_line_buffer_lines = 32,

	.max_line_buffer_lines = 12,

	.writeback_luma_buffer_size_kbytes = 12,

	.writeback_chroma_buffer_size_kbytes = 8,

	.writeback_chroma_line_buffer_width_pixels = 4,

drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c

+1 −1
Original line number Diff line number Diff line
@@ -114,7 +114,7 @@ struct _vcs_dpi_ip_params_st dcn2_1_ip = { 
	.is_line_buffer_bpp_fixed = 0,

	.line_buffer_fixed_bpp = 0,

	.dcc_supported = true,

	.max_line_buffer_lines = 32,

	.max_line_buffer_lines = 12,

	.writeback_luma_buffer_size_kbytes = 12,

	.writeback_chroma_buffer_size_kbytes = 8,

	.writeback_chroma_line_buffer_width_pixels = 4,

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c

+1 −1
Original line number Diff line number Diff line
@@ -120,7 +120,7 @@ struct _vcs_dpi_ip_params_st dcn3_0_ip = { 
	.dcc_supported = true,

	.writeback_interface_buffer_size_kbytes = 90,

	.writeback_line_buffer_buffer_size = 0,

	.max_line_buffer_lines = 32,

	.max_line_buffer_lines = 12,

	.writeback_luma_buffer_size_kbytes = 12,  // writeback_line_buffer_buffer_size = 656640

	.writeback_chroma_buffer_size_kbytes = 8,

	.writeback_chroma_line_buffer_width_pixels = 4,

drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c

+1 −1
Original line number Diff line number Diff line
@@ -116,7 +116,7 @@ struct _vcs_dpi_ip_params_st dcn3_01_ip = { 
	.dcc_supported = true,

	.writeback_interface_buffer_size_kbytes = 90,

	.writeback_line_buffer_buffer_size = 656640,

	.max_line_buffer_lines = 32,

	.max_line_buffer_lines = 12,

	.writeback_luma_buffer_size_kbytes = 12,  // writeback_line_buffer_buffer_size = 656640

	.writeback_chroma_buffer_size_kbytes = 8,

	.writeback_chroma_line_buffer_width_pixels = 4,