[PATCH 2/2] drm/amd/display: Read resource_straps from registers for DCE12

[sunpeng.li at amd.com]

From: "Leo (Sunpeng) Li" <sunpeng.li at amd.com>

Now that the registers exist, assign them to the resource_straps struct.

Signed-off-by: Leo (Sunpeng) Li <sunpeng.li at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
index 3ed28a8..5023a03 100644
--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
@@ -501,12 +501,15 @@ static void read_dce_straps(
 	struct dc_context *ctx,
 	struct resource_straps *straps)
 {
-	/* TODO: Registers are missing */
-	/*REG_GET_2(CC_DC_HDMI_STRAPS,
-			HDMI_DISABLE, &straps->hdmi_disable,
-			AUDIO_STREAM_NUMBER, &straps->audio_stream_number);
-
-	REG_GET(DC_PINSTRAPS, DC_PINSTRAPS_AUDIO, &straps->dc_pinstraps_audio);*/
+	uint32_t reg_val = dm_read_reg_soc15(ctx, mmCC_DC_MISC_STRAPS, 0);
+	straps->audio_stream_number = get_reg_field_value(
+			reg_val, CC_DC_MISC_STRAPS, AUDIO_STREAM_NUMBER);
+	straps->hdmi_disable = get_reg_field_value(
+				reg_val, CC_DC_MISC_STRAPS, HDMI_DISABLE);
+
+	reg_val = dm_read_reg_soc15(ctx, mmDC_PINSTRAPS, 0);
+	straps->dc_pinstraps_audio = get_reg_field_value(
+			reg_val, DC_PINSTRAPS, DC_PINSTRAPS_AUDIO);
 }
 
 static struct audio *create_audio(
-- 
2.7.4