drm/amd/powerplay: using valid mapping check for rn

Check whether the message mapping is valid

Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aaron Liu 2019-08-21 16:45:52 -05:00 committed by Alex Deucher
parent a31b059b03
commit b560451208
2 changed files with 12 additions and 6 deletions

View File

@ -32,6 +32,11 @@
#define MP1_SRAM 0x03c00004
struct smu_12_0_cmn2aisc_mapping {
int valid_mapping;
int map_to;
};
void smu_v12_0_set_smu_funcs(struct smu_context *smu);
#endif

View File

@ -26,13 +26,14 @@
#include "soc15_common.h"
#include "smu_v12_0_ppsmc.h"
#include "smu12_driver_if.h"
#include "smu_v12_0.h"
#include "renoir_ppt.h"
#define MSG_MAP(msg, index) \
[SMU_MSG_##msg] = index
[SMU_MSG_##msg] = {1, (index)}
static int renoir_message_map[SMU_MSG_MAX_COUNT] = {
static struct smu_12_0_cmn2aisc_mapping renoir_message_map[SMU_MSG_MAX_COUNT] = {
MSG_MAP(TestMessage, PPSMC_MSG_TestMessage),
MSG_MAP(GetSmuVersion, PPSMC_MSG_GetSmuVersion),
MSG_MAP(GetDriverIfVersion, PPSMC_MSG_GetDriverIfVersion),
@ -98,16 +99,16 @@ static int renoir_message_map[SMU_MSG_MAX_COUNT] = {
static int renoir_get_smu_msg_index(struct smu_context *smc, uint32_t index)
{
int val;
struct smu_12_0_cmn2aisc_mapping mapping;
if (index >= SMU_MSG_MAX_COUNT)
return -EINVAL;
val = renoir_message_map[index];
if (val > PPSMC_Message_Count)
mapping = renoir_message_map[index];
if (!(mapping.valid_mapping))
return -EINVAL;
return val;
return mapping.map_to;
}