From 72407fa347b56066a2018c1d743c546245322a3f Mon Sep 17 00:00:00 2001
From: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Date: Mon, 21 Oct 2019 15:03:53 +0000
Subject: drm: Fix DSC throughput mode 0 mask definition
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Git-commit: 843cd325d9cf37385f448f93365396ed6c615dec
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Commit d7cd0e053b17 introduced a change at DP_DSC_THROUGHPUT_MODE_0_170
which is not aligned with the spec. This commit replace 15 << 4 by 15 <<
0 for DP_DSC_THROUGHPUT_MODE_0_170 in order to make it follow the
specification.
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Nikola Cornij <nikola.cornij@amd.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191021150345.igdye4kv35nsk4ox@outlook.office365.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
include/drm/drm_dp_helper.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 51ecb5112ef8..7a8338674595 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -307,7 +307,7 @@
# define DP_DSC_THROUGHPUT_MODE_0_900 (12 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_950 (13 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_1000 (14 << 0)
-# define DP_DSC_THROUGHPUT_MODE_0_170 (15 << 4)
+# define DP_DSC_THROUGHPUT_MODE_0_170 (15 << 0) /* 1.4a */
# define DP_DSC_THROUGHPUT_MODE_1_MASK (0xf << 4)
# define DP_DSC_THROUGHPUT_MODE_1_SHIFT 4
# define DP_DSC_THROUGHPUT_MODE_1_UPSUPPORTED 0
--
2.28.0