Attachment 135192 Details for Bug 103404 – [PATCH 2/2] drm/amd/display: Read resource_straps from registers for DCE12

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

0002-drm-amd-display-Read-resource_straps-from-registers-.patch (text/plain), 1.58 KB, created by Leo Li on 2017-10-31 20:34:38 UTC

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Creator: Leo Li

Created: 2017-10-31 20:34:38 UTC

Size: 1.58 KB

patch

obsolete

>From d7cb0d3012cfc5f00b884bace031ba2c94c8a755 Mon Sep 17 00:00:00 2001
>From: "Leo (Sunpeng) Li" <sunpeng.li@amd.com>
>Date: Fri, 27 Oct 2017 15:01:17 -0400
>Subject: [PATCH 2/2] drm/amd/display: Read resource_straps from registers for
> DCE12
>
>Now that the registers exist, assign them to the resource_straps struct.
>
>Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@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
>

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