To suppress the compile error below for "ARCH=arc".
drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c: In function
'arcturus_fill_eeprom_i2c_req':
>> arch/arc/include/asm/bug.h:22:2: error: implicit declaration of function
>> 'pr_warn'; did you mean 'pci_warn'? [-Werror=implicit-function-declaration]
22 | pr_warn("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__,
__func__); \
| ^~~~~~~
include/asm-generic/bug.h:62:57: note: in expansion of macro 'BUG'
62 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); }
while (0)
| ^~~
drivers/gpu/drm/amd/amdgpu/../powerplay/arcturus_ppt.c:2157:2: note: in
expansion of macro 'BUG_ON'
2157 | BUG_ON(numbytes > MAX_SW_I2C_COMMANDS);
Change-Id: I314b0d08197398a04b5439bce6546c4c68ca5dff
Signed-off-by: Evan Quan <evan.q...@amd.com>
---
drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index fde6a8242565..0784a97bd67b 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -1881,8 +1881,6 @@ static void arcturus_fill_eeprom_i2c_req(SwI2cRequest_t
*req, bool write,
{
int i;
- BUG_ON(numbytes > MAX_SW_I2C_COMMANDS);
-
req->I2CcontrollerPort = 0;
req->I2CSpeed = 2;
req->SlaveAddress = address;
@@ -1920,6 +1918,12 @@ static int arcturus_i2c_eeprom_read_data(struct
i2c_adapter *control,
struct smu_table_context *smu_table = &adev->smu.smu_table;
struct smu_table *table = &smu_table->driver_table;
+ if (numbytes > MAX_SW_I2C_COMMANDS) {
+ dev_err(adev->dev, "numbytes requested %d is over max allowed
%d\n",
+ numbytes, MAX_SW_I2C_COMMANDS);
+ return -EINVAL;
+ }
+
memset(&req, 0, sizeof(req));
arcturus_fill_eeprom_i2c_req(&req, false, address, numbytes, data);
@@ -1956,6 +1960,12 @@ static int arcturus_i2c_eeprom_write_data(struct
i2c_adapter *control,
SwI2cRequest_t req;
struct amdgpu_device *adev = to_amdgpu_device(control);
+ if (numbytes > MAX_SW_I2C_COMMANDS) {
+ dev_err(adev->dev, "numbytes requested %d is over max allowed
%d\n",
+ numbytes, MAX_SW_I2C_COMMANDS);
+ return -EINVAL;
+ }
+
memset(&req, 0, sizeof(req));
arcturus_fill_eeprom_i2c_req(&req, true, address, numbytes, data);
--
2.27.0
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