From: Yuxian Dai <Yuxian.Dai@amd.com>
Date: Wed, 15 Apr 2020 11:03:52 +0000 (+0800)
Subject: drm/amdgpu/powerplay:avoid to show invalid DPM table info
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=5f6a92e442834815736ee8815d99e2c9c658a51b;p=linux.git

drm/amdgpu/powerplay:avoid to show invalid DPM table info

for different ASIC support different the number of DPM levels,
we should avoid to show the invalid level value.
v1 -> v2:
	follow the suggestion,clarifiy the description for this
change

Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Yuxian Dai <Yuxian.Dai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
index 16ed32f76954f..67476047c067d 100644
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
@@ -296,6 +296,8 @@ static int renoir_print_clk_levels(struct smu_context *smu,
 
 	for (i = 0; i < count; i++) {
 		GET_DPM_CUR_FREQ(clk_table, clk_type, i, value);
+		if (!value)
+			continue;
 		size += sprintf(buf + size, "%d: %uMhz %s\n", i, value,
 				cur_value == value ? "*" : "");
 		if (cur_value == value)