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From 3b894e81dd820a0f479434bb646b9e9c90c9775a Mon Sep 17 00:00:00 2001
From: Aaron Liu <aaron.liu@amd.com>
Date: Wed, 21 Aug 2019 16:45:52 -0500
Subject: [PATCH 3520/4256] 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>
---
drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h | 5 +++++
drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 13 +++++++------
2 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h b/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h
index 278cdc2c0d47..acf3db12f59f 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h
@@ -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
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
index af8bb1cc5d9a..2580383ff49b 100644
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
@@ -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;
}
--
2.17.1
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