[PATCH 04/14] drm/amd/display: revert max lb lines change

[Solomon Chiu]

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

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

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein at amd.com>
Acked-by: Solomon Chiu <solomon.chiu at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c   | 2 +-
 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c   | 4 ++--
 drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c   | 2 +-
 drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c   | 2 +-
 drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c | 2 +-
 drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c | 2 +-
 6 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index d079f4e491e5..0b1000d782a8 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -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,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 2307b3517821..b8acad7acd94 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -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,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
index 7123151ed60f..8e3f1d0b4cc3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -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,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
index 263c2986682d..4a5fa23d8e7b 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
@@ -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,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
index 0fbdfff87835..10c1884e3d30 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
@@ -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,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
index 0723e29fd42e..a928c1d9a557 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
@@ -101,7 +101,7 @@ struct _vcs_dpi_ip_params_st dcn3_02_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,
-- 
2.29.0