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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3188-drm-amd-powerplay-fix-arcturus-real-time-clock-frequ.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3188-drm-amd-powerplay-fix-arcturus-real-time-clock-frequ.patch60
1 files changed, 60 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3188-drm-amd-powerplay-fix-arcturus-real-time-clock-frequ.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3188-drm-amd-powerplay-fix-arcturus-real-time-clock-frequ.patch
new file mode 100644
index 00000000..23b3c1ce
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3188-drm-amd-powerplay-fix-arcturus-real-time-clock-frequ.patch
@@ -0,0 +1,60 @@
+From 359b0648b0975416ff29526fc5df4c398120e555 Mon Sep 17 00:00:00 2001
+From: Evan Quan <evan.quan@amd.com>
+Date: Tue, 23 Jul 2019 11:42:24 +0800
+Subject: [PATCH 3188/4256] drm/amd/powerplay: fix arcturus real-time clock
+ frequency retrieval
+
+Make sure we can still get the accurate gfxclk/uclk/socclk frequency
+even on dpm disabled.
+
+Signed-off-by: Evan Quan <evan.quan@amd.com>
+Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 30 +++++++++++++++++++-
+ 1 file changed, 29 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+index 932a3cc7c1bc..ecbc1aad2697 100644
+--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
++++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+@@ -1055,7 +1055,35 @@ static int arcturus_get_current_clk_freq_by_table(struct smu_context *smu,
+ if (ret)
+ return ret;
+
+- *value = metrics.CurrClock[clk_id];
++ switch (clk_id) {
++ case PPCLK_GFXCLK:
++ /*
++ * CurrClock[clk_id] can provide accurate
++ * output only when the dpm feature is enabled.
++ * We can use Average_* for dpm disabled case.
++ * But this is available for gfxclk/uclk/socclk.
++ */
++ if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_GFXCLK_BIT))
++ *value = metrics.CurrClock[PPCLK_GFXCLK];
++ else
++ *value = metrics.AverageGfxclkFrequency;
++ break;
++ case PPCLK_UCLK:
++ if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT))
++ *value = metrics.CurrClock[PPCLK_UCLK];
++ else
++ *value = metrics.AverageUclkFrequency;
++ break;
++ case PPCLK_SOCCLK:
++ if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_SOCCLK_BIT))
++ *value = metrics.CurrClock[PPCLK_SOCCLK];
++ else
++ *value = metrics.AverageSocclkFrequency;
++ break;
++ default:
++ *value = metrics.CurrClock[clk_id];
++ break;
++ }
+
+ return ret;
+ }
+--
+2.17.1
+