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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
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