[PATCH] drm/amdgpu: add ip_block_mask user option for static builds

[Shirish S]

This patch extends amdgpu.ip_block_mask to a Kconfig option as
well, that can be altered by user at build time for OS' that
do not permit passing dyanamic loading of amdgpu driver and also
passing command line arguments.

Note: This option to be used purely for debugging purposes and
amdgpu driver is not productised/tested extensively with any of its
blokcs disabled.
The default value of this option enables all IP's.

Signed-off-by: Shirish S <shirish.s at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/Kconfig      | 7 +++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig
index e8af1f5..3f94ae5 100644
--- a/drivers/gpu/drm/amd/amdgpu/Kconfig
+++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
@@ -23,6 +23,13 @@ config DRM_AMDGPU_CIK
 
 	  radeon.cik_support=0 amdgpu.cik_support=1
 
+config DRM_AMDGPU_IP_BLOCK_MASK
+	hex "AMDGPU IP Block Mask"
+	depends on DRM_AMDGPU
+	default "0xffffffff"
+	help
+	  Modify this option to disable any IP block of amdgpu.
+
 config DRM_AMDGPU_USERPTR
 	bool "Always enable userptr write support"
 	depends on DRM_AMDGPU
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 2221f6b..bd0a876 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -93,7 +93,7 @@ int amdgpu_dpm = -1;
 int amdgpu_fw_load_type = -1;
 int amdgpu_aspm = -1;
 int amdgpu_runtime_pm = -1;
-uint amdgpu_ip_block_mask = 0xffffffff;
+uint amdgpu_ip_block_mask = CONFIG_DRM_AMDGPU_IP_BLOCK_MASK;
 int amdgpu_bapm = -1;
 int amdgpu_deep_color = 0;
 int amdgpu_vm_size = -1;
-- 
2.7.4