1 files changed, 100 insertions, 0 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0344-drm-amdgpu-Implement-the-pciconfig-callbacks-for-CGS.patch b/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0344-drm-amdgpu-Implement-the-pciconfig-callbacks-for-CGS.patch
new file mode 100644
index 00000000..bd59cc6e
--- /dev/null
+++ b/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0344-drm-amdgpu-Implement-the-pciconfig-callbacks-for-CGS.patch
@@ -0,0 +1,100 @@
+From 97cb7f6e6c4d7d78de7e174d8776a95ef7fd1e8a Mon Sep 17 00:00:00 2001
+From: Chunming Zhou <David1.Zhou@amd.com>
+Date: Fri, 22 May 2015 11:33:31 -0400
+Subject: [PATCH 0344/1050] drm/amdgpu: Implement the pciconfig callbacks for
+ CGS
+
+This implements the pciconfig register accessors.
+
+Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
+Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 40 +++++++++++++++++++++++----------
+ 1 file changed, 28 insertions(+), 12 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+index 7ba92f7..6ac3df8 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+@@ -21,6 +21,7 @@
+  *
+  *
+  */
++#include <linux/pci.h>
+ #include "amdgpu.h"
+ #include "cgs_linux.h"
+ 
+@@ -163,42 +164,57 @@ static void amdgpu_cgs_write_ind_register(void *cgs_device,
+ 
+ static uint8_t amdgpu_cgs_read_pci_config_byte(void *cgs_device, unsigned addr)
+ {
+-	/* TODO */
+-	return 0;
++	CGS_FUNC_ADEV;
++	uint8_t val;
++	int ret = pci_read_config_byte(adev->pdev, addr, &val);
++	if (WARN(ret, "pci_read_config_byte error"))
++		return 0;
++	return val;
+ }
+ 
+ static uint16_t amdgpu_cgs_read_pci_config_word(void *cgs_device, unsigned addr)
+ {
+-	/* TODO */
+-	return 0;
++	CGS_FUNC_ADEV;
++	uint16_t val;
++	int ret = pci_read_config_word(adev->pdev, addr, &val);
++	if (WARN(ret, "pci_read_config_word error"))
++		return 0;
++	return val;
+ }
+ 
+ static uint32_t amdgpu_cgs_read_pci_config_dword(void *cgs_device,
+ 						 unsigned addr)
+ {
+-	/* TODO */
+-	return 0;
++	CGS_FUNC_ADEV;
++	uint32_t val;
++	int ret = pci_read_config_dword(adev->pdev, addr, &val);
++	if (WARN(ret, "pci_read_config_dword error"))
++		return 0;
++	return val;
+ }
+ 
+ static void amdgpu_cgs_write_pci_config_byte(void *cgs_device, unsigned addr,
+ 					     uint8_t value)
+ {
+-	/* TODO */
+-	return;
++	CGS_FUNC_ADEV;
++	int ret = pci_write_config_byte(adev->pdev, addr, value);
++	WARN(ret, "pci_write_config_byte error");
+ }
+ 
+ static void amdgpu_cgs_write_pci_config_word(void *cgs_device, unsigned addr,
+ 					     uint16_t value)
+ {
+-	/* TODO */
+-	return;
++	CGS_FUNC_ADEV;
++	int ret = pci_write_config_word(adev->pdev, addr, value);
++	WARN(ret, "pci_write_config_word error");
+ }
+ 
+ static void amdgpu_cgs_write_pci_config_dword(void *cgs_device, unsigned addr,
+ 					      uint32_t value)
+ {
+-	/* TODO */
+-	return;
++	CGS_FUNC_ADEV;
++	int ret = pci_write_config_dword(adev->pdev, addr, value);
++	WARN(ret, "pci_write_config_dword error");
+ }
+ 
+ static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device,
+-- 
+1.9.1
+