From 0d68683838f2850dd8ff31f1121e05bfb7a2def0 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Thu, 6 Apr 2023 16:46:15 +0300
Subject: [PATCH] drm/dsc: fix DP_DSC_MAX_BPP_DELTA_* macro values
Git-commit: 0d68683838f2850dd8ff31f1121e05bfb7a2def0
Patch-mainline: v6.4-rc2
References: git-fixes
The macro values just don't match the specs. Fix them.
Fixes: 1482ec00be4a ("drm: Add missing DP DSC extended capability definitions.")
Cc: Vinod Govindapillai <vinod.govindapillai@intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230406134615.1422509-2-jani.nikula@intel.com
Acked-by: Takashi Iwai <tiwai@suse.de>
---
include/drm/display/drm_dp.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 4545ed610958..b8b7f990d67f 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -286,8 +286,8 @@
#define DP_DSC_MAX_BITS_PER_PIXEL_HI 0x068 /* eDP 1.4 */
# define DP_DSC_MAX_BITS_PER_PIXEL_HI_MASK (0x3 << 0)
-# define DP_DSC_MAX_BPP_DELTA_VERSION_MASK 0x06
-# define DP_DSC_MAX_BPP_DELTA_AVAILABILITY 0x08
+# define DP_DSC_MAX_BPP_DELTA_VERSION_MASK (0x3 << 5) /* eDP 1.5 & DP 2.0 */
+# define DP_DSC_MAX_BPP_DELTA_AVAILABILITY (1 << 7) /* eDP 1.5 & DP 2.0 */
#define DP_DSC_DEC_COLOR_FORMAT_CAP 0x069
# define DP_DSC_RGB (1 << 0)
--
2.35.3