kernel-6.12: disable in-tree AMD GPU driver

Disable CONFIG_DRM_AMDGPU and remove related kernel modules from
packaging to allow DKMS AMD driver to take precedence.

Signed-off-by: Gaurav Sharma <mgsharm@amazon.com>

Author: mgsharm

packages/kernel-6.12/config-bottlerocket

@@ -255,3 +255,6 @@ CONFIG_INFINIBAND_USER_MAD=m
 
 # Enable CephFS SELinux labels
 CONFIG_CEPH_FS_SECURITY_LABEL=y
+
+# Disable in-tree AMD driver
+# CONFIG_DRM_AMDGPU is not set

packages/kernel-6.12/config-full-bottlerocket-aarch64

@@ -3929,15 +3929,10 @@ CONFIG_DRM_DISPLAY_HELPER=m
 # CONFIG_DRM_DISPLAY_DP_AUX_CEC is not set
 # CONFIG_DRM_DISPLAY_DP_AUX_CHARDEV is not set
 CONFIG_DRM_DISPLAY_DP_HELPER=y
-CONFIG_DRM_DISPLAY_HDCP_HELPER=y
-CONFIG_DRM_DISPLAY_HDMI_HELPER=y
 CONFIG_DRM_TTM=m
-CONFIG_DRM_EXEC=m
-CONFIG_DRM_BUDDY=m
 CONFIG_DRM_TTM_HELPER=m
 CONFIG_DRM_GEM_SHMEM_HELPER=m
 CONFIG_DRM_SUBALLOC_HELPER=m
-CONFIG_DRM_SCHED=m
 
 #
 # I2C encoder or helper chips
@@ -3957,28 +3952,7 @@ CONFIG_DRM_SCHED=m
 # end of ARM devices
 
 # CONFIG_DRM_RADEON is not set
-CONFIG_DRM_AMDGPU=m
-# CONFIG_DRM_AMDGPU_SI is not set
-# CONFIG_DRM_AMDGPU_CIK is not set
-# CONFIG_DRM_AMDGPU_USERPTR is not set
-# CONFIG_DRM_AMD_ISP is not set
-# CONFIG_DRM_AMDGPU_WERROR is not set
-
-#
-# ACP (Audio CoProcessor) Configuration
-#
-# CONFIG_DRM_AMD_ACP is not set
-# end of ACP (Audio CoProcessor) Configuration
-
-#
-# Display Engine Configuration
-#
-CONFIG_DRM_AMD_DC=y
-CONFIG_DRM_AMD_DC_FP=y
-# CONFIG_DRM_AMD_SECURE_DISPLAY is not set
-# end of Display Engine Configuration
-
-# CONFIG_HSA_AMD is not set
+# CONFIG_DRM_AMDGPU is not set
 # CONFIG_DRM_NOUVEAU is not set
 # CONFIG_DRM_XE is not set
 # CONFIG_DRM_VGEM is not set

packages/kernel-6.12/config-full-bottlerocket-x86_64

@@ -3606,15 +3606,10 @@ CONFIG_DRM_DISPLAY_HELPER=m
 # CONFIG_DRM_DISPLAY_DP_AUX_CEC is not set
 # CONFIG_DRM_DISPLAY_DP_AUX_CHARDEV is not set
 CONFIG_DRM_DISPLAY_DP_HELPER=y
-CONFIG_DRM_DISPLAY_HDCP_HELPER=y
-CONFIG_DRM_DISPLAY_HDMI_HELPER=y
 CONFIG_DRM_TTM=m
-CONFIG_DRM_EXEC=m
-CONFIG_DRM_BUDDY=m
 CONFIG_DRM_TTM_HELPER=m
 CONFIG_DRM_GEM_SHMEM_HELPER=m
 CONFIG_DRM_SUBALLOC_HELPER=m
-CONFIG_DRM_SCHED=m
 
 #
 # I2C encoder or helper chips
@@ -3631,28 +3626,7 @@ CONFIG_DRM_SCHED=m
 # end of ARM devices
 
 # CONFIG_DRM_RADEON is not set
-CONFIG_DRM_AMDGPU=m
-# CONFIG_DRM_AMDGPU_SI is not set
-# CONFIG_DRM_AMDGPU_CIK is not set
-# CONFIG_DRM_AMDGPU_USERPTR is not set
-# CONFIG_DRM_AMD_ISP is not set
-# CONFIG_DRM_AMDGPU_WERROR is not set
-
-#
-# ACP (Audio CoProcessor) Configuration
-#
-# CONFIG_DRM_AMD_ACP is not set
-# end of ACP (Audio CoProcessor) Configuration
-
-#
-# Display Engine Configuration
-#
-CONFIG_DRM_AMD_DC=y
-CONFIG_DRM_AMD_DC_FP=y
-# CONFIG_DRM_AMD_SECURE_DISPLAY is not set
-# end of Display Engine Configuration
-
-# CONFIG_HSA_AMD is not set
+# CONFIG_DRM_AMDGPU is not set
 # CONFIG_DRM_NOUVEAU is not set
 # CONFIG_DRM_I915 is not set
 # CONFIG_DRM_XE is not set

packages/kernel-6.12/kernel-6.12.spec

@@ -726,12 +726,6 @@ install -p -m 0644 %{S:301} %{buildroot}%{_cross_bootconfigdir}/05-vmware.conf
 %{_cross_kmoddir}/kernel/drivers/gpu/drm/display/drm_display_helper.%{_ko}
 %{_cross_kmoddir}/kernel/drivers/gpu/drm/ttm/ttm.%{_ko}
 
-%{_cross_kmoddir}/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu.%{_ko}
-%{_cross_kmoddir}/kernel/drivers/gpu/drm/amd/amdxcp/amdxcp.%{_ko}
-%{_cross_kmoddir}/kernel/drivers/gpu/drm/drm_buddy.%{_ko}
-%{_cross_kmoddir}/kernel/drivers/gpu/drm/drm_exec.%{_ko}
-%{_cross_kmoddir}/kernel/drivers/gpu/drm/scheduler/gpu-sched.%{_ko}
-
 %if "%{_cross_arch}" == "x86_64"
 %{_cross_kmoddir}/kernel/drivers/gpu/drm/vmwgfx/vmwgfx.%{_ko}
 %endif