From: John Clements <john.clements@amd.com>
Date: Mon, 23 Mar 2020 09:22:01 +0000 (+0800)
Subject: drm/amdgpu: disabled fru eeprom access
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=fabe01d7bbda15ae608fe8fa221b596fe498b037;p=uclinux-h8%2Flinux.git

drm/amdgpu: disabled fru eeprom access

added asic support checking function to be filled in by supported asic types

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
index 990dee6e22d5..6f5e98fda181 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
@@ -29,6 +29,13 @@
 #define I2C_PRODUCT_INFO_ADDR_SIZE	0x2
 #define I2C_PRODUCT_INFO_OFFSET		0xC0
 
+bool is_fru_eeprom_supported(struct amdgpu_device *adev)
+{
+	/* TODO: Resolve supported ASIC type */
+
+	return false;
+}
+
 int amdgpu_fru_read_eeprom(struct amdgpu_device *adev, uint32_t addrptr,
 			   unsigned char *buff)
 {
@@ -71,6 +78,9 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
 	unsigned char buff[32];
 	int addrptr = 0, size = 0;
 
+	if (!is_fru_eeprom_supported(adev))
+		return 0;
+
 	/* If algo exists, it means that the i2c_adapter's initialized */
 	if (!adev->pm.smu_i2c.algo) {
 		DRM_WARN("Cannot access FRU, EEPROM accessor not initialized");