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From fdce96692a9b054f75b78d7c833dc0e0616df658 Mon Sep 17 00:00:00 2001
From: Kevin Wang <kevin1.wang@amd.com>
Date: Tue, 23 Apr 2019 10:53:51 +0800
Subject: [PATCH 2352/2940] drm/amd/powerplay: add funciton force_dpm_limit for
navi10
add callback function force_dpm_limit for navi10 asic
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 7e7e0a604aef..72b6de83e66f 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -695,6 +695,34 @@ static int navi10_display_config_changed(struct smu_context *smu)
return ret;
}
+
+static int navi10_force_dpm_limit_value(struct smu_context *smu, bool highest)
+{
+ int ret = 0, i = 0;
+ uint32_t min_freq, max_freq, force_freq;
+ enum smu_clk_type clk_type;
+
+ enum smu_clk_type clks[] = {
+ SMU_GFXCLK,
+ SMU_MCLK,
+ SMU_SOCCLK,
+ };
+
+ for (i = 0; i < ARRAY_SIZE(clks); i++) {
+ clk_type = clks[i];
+ ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq);
+ if (ret)
+ return ret;
+
+ force_freq = highest ? max_freq : min_freq;
+ ret = smu_set_soft_freq_range(smu, clk_type, force_freq, force_freq);
+ if (ret)
+ return ret;
+ }
+
+ return ret;
+}
+
static const struct pptable_funcs navi10_ppt_funcs = {
.tables_init = navi10_tables_init,
.alloc_dpm_context = navi10_allocate_dpm_context,
@@ -716,6 +744,7 @@ static const struct pptable_funcs navi10_ppt_funcs = {
.get_clock_by_type_with_latency = navi10_get_clock_by_type_with_latency,
.pre_display_config_changed = navi10_pre_display_config_changed,
.display_config_changed = navi10_display_config_changed,
+ .force_dpm_limit_value = navi10_force_dpm_limit_value,
};
void navi10_set_ppt_funcs(struct smu_context *smu)
--
2.17.1
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