[PATCH 319/459] drm/amd/display: Add DCN2 BIOS parsing

Alex Deucher alexdeucher at gmail.com
Mon Jun 17 19:44:20 UTC 2019


From: Harry Wentland <harry.wentland at amd.com>

Handle BIOS parsing for DCN2

Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c          | 4 ++++
 drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
index 12bc7ee66b18..99f40b8a231c 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
@@ -1400,6 +1400,10 @@ static enum bp_result get_integrated_info_v11(
 	info->ma_channel_number = info_v11->umachannelnumber;
 	info->lvds_ss_percentage =
 	le16_to_cpu(info_v11->lvds_ss_percentage);
+#ifdef CONFIG_DRM_AMD_DC_DCN2_0
+	info->dp_ss_control =
+	le16_to_cpu(info_v11->reserved1);
+#endif
 	info->lvds_sspread_rate_in_10hz =
 	le16_to_cpu(info_v11->lvds_ss_rate_10hz);
 	info->hdmi_ss_percentage =
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c
index 53deba42007a..f9439dfc7b75 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c
@@ -61,6 +61,12 @@ bool dal_bios_parser_init_cmd_tbl_helper2(
 		*h = dal_cmd_tbl_helper_dce112_get_table2();
 		return true;
 #endif
+
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+	case DCN_VERSION_2_0:
+		*h = dal_cmd_tbl_helper_dce112_get_table2();
+		return true;
+#endif
 	case DCE_VERSION_12_0:
 	case DCE_VERSION_12_1:
 		*h = dal_cmd_tbl_helper_dce112_get_table2();
-- 
2.20.1



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