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Defconfig change for display debug #151

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Defconfig change for display debug #151

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47 changes: 47 additions & 0 deletions bsp_diff/caas/device/intel/mixins/0065-Defconfig-change-for-display-debug.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,47 @@
From a186e19d3731b0e312ffe7a4225f0255ea437b57 Mon Sep 17 00:00:00 2001
From: somkarx <suhasx.omkar@intel.com>
Date: Fri, 13 Feb 2026 09:19:44 +0000
Subject: [PATCH] Defconfig change for display debug

add below config to the kernel
CONFIG_DRM_LOAD_EDID_FIRMWARE=y

add below parameter to the kernel commandline
i915.force_dp_lane_count=4

Tracked-On:NIACP3-1133
Signed-off-by: somkarx <suhasx.omkar@intel.com>
---
groups/graphics/auto/BoardConfig.mk | 2 +-
.../gmin64/config-lts/linux-intel-lts2024/x86_64_defconfig | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/groups/graphics/auto/BoardConfig.mk b/groups/graphics/auto/BoardConfig.mk
index 2ed65c2e..617d8454 100755
--- a/groups/graphics/auto/BoardConfig.mk
+++ b/groups/graphics/auto/BoardConfig.mk
@@ -2,7 +2,7 @@
TARGET_USE_PRIVATE_LIBDRM := true
LIBDRM_VER ?= intel

-BOARD_KERNEL_CMDLINE += vga=current i915.modeset=1 drm.atomic=1 i915.nuclear_pageflip=1 drm.vblankoffdelay=1 i915.fastboot=1
+BOARD_KERNEL_CMDLINE += vga=current i915.modeset=1 drm.atomic=1 i915.nuclear_pageflip=1 drm.vblankoffdelay=1 i915.fastboot=1 i915.force_dp_lane_count=4

USE_OPENGL_RENDERER := true
USE_INTEL_UFO_DRIVER := false
diff --git a/groups/kernel/gmin64/config-lts/linux-intel-lts2024/x86_64_defconfig b/groups/kernel/gmin64/config-lts/linux-intel-lts2024/x86_64_defconfig
index 99848492..ff241700 100644
--- a/groups/kernel/gmin64/config-lts/linux-intel-lts2024/x86_64_defconfig
+++ b/groups/kernel/gmin64/config-lts/linux-intel-lts2024/x86_64_defconfig
@@ -4491,7 +4491,7 @@ CONFIG_DRM_KMS_HELPER=y
CONFIG_DRM_FBDEV_EMULATION=y
CONFIG_DRM_FBDEV_OVERALLOC=100
# CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM is not set
-# CONFIG_DRM_LOAD_EDID_FIRMWARE is not set
+CONFIG_DRM_LOAD_EDID_FIRMWARE=y
CONFIG_DRM_DISPLAY_HELPER=y
# CONFIG_DRM_DISPLAY_DP_AUX_CEC is not set
# CONFIG_DRM_DISPLAY_DP_AUX_CHARDEV is not set
--
2.34.1

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