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From 46db7371562502d96f657d946ee108ba285a6bdf Mon Sep 17 00:00:00 2001
From: Kevin Wang <kevin1.wang@amd.com>
Date: Fri, 12 Jul 2019 11:27:50 +0800
Subject: [PATCH 2859/2940] drm/amd/powerplay: add pstate mclk(uclk) support
for navi10
add pstate mclk(uclk) support.
Change-Id: I09652bbf29d3b8fed8970e5761700b16fba58db5
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 1 +
drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 8 +++++++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index de6cc5d489cd..67db2746ec4f 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -136,6 +136,7 @@ int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
return -EINVAL;
switch (clk_type) {
+ case SMU_MCLK:
case SMU_UCLK:
if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
pr_warn("uclk dpm is not enabled\n");
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index cd32b20a13c1..16a4c1ca98cf 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -709,7 +709,7 @@ static int navi10_force_clk_levels(struct smu_context *smu,
static int navi10_populate_umd_state_clk(struct smu_context *smu)
{
int ret = 0;
- uint32_t min_sclk_freq = 0;
+ uint32_t min_sclk_freq = 0, min_mclk_freq = 0;
ret = smu_get_dpm_freq_range(smu, SMU_SCLK, &min_sclk_freq, NULL);
if (ret)
@@ -717,6 +717,12 @@ static int navi10_populate_umd_state_clk(struct smu_context *smu)
smu->pstate_sclk = min_sclk_freq * 100;
+ ret = smu_get_dpm_freq_range(smu, SMU_MCLK, &min_mclk_freq, NULL);
+ if (ret)
+ return ret;
+
+ smu->pstate_mclk = min_mclk_freq * 100;
+
return ret;
}
--
2.17.1
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