diff --git a/bsp_diff/caas/device/intel/mixins/0065-Defconfig-change-for-display-debug.patch b/bsp_diff/caas/device/intel/mixins/0065-Defconfig-change-for-display-debug.patch new file mode 100644 index 0000000..a965d54 --- /dev/null +++ b/bsp_diff/caas/device/intel/mixins/0065-Defconfig-change-for-display-debug.patch @@ -0,0 +1,47 @@ +From a186e19d3731b0e312ffe7a4225f0255ea437b57 Mon Sep 17 00:00:00 2001 +From: somkarx +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 +--- + 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 +