diff options
Diffstat (limited to 'meta-eas/recipes-kernel/linux/linux-renesas/0004-arm64-Update-the-energy-model-on-CA53-for-R-Car-Gen3.patch')
| -rw-r--r-- | meta-eas/recipes-kernel/linux/linux-renesas/0004-arm64-Update-the-energy-model-on-CA53-for-R-Car-Gen3.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/meta-eas/recipes-kernel/linux/linux-renesas/0004-arm64-Update-the-energy-model-on-CA53-for-R-Car-Gen3.patch b/meta-eas/recipes-kernel/linux/linux-renesas/0004-arm64-Update-the-energy-model-on-CA53-for-R-Car-Gen3.patch new file mode 100644 index 0000000..39e8d07 --- /dev/null +++ b/meta-eas/recipes-kernel/linux/linux-renesas/0004-arm64-Update-the-energy-model-on-CA53-for-R-Car-Gen3.patch @@ -0,0 +1,59 @@ +From b3e079ba90ed7ee0e618a441844f3274c6e49e3b Mon Sep 17 00:00:00 2001 +From: Gaku Inami <gaku.inami.xw@bp.renesas.com> +Date: Wed, 15 Nov 2017 12:34:48 +0900 +Subject: [PATCH 4/4] arm64: Update the energy model on CA53 for R-Car Gen3 + +Since the cpu_capacity for CA53 was set smaller than expected, the +behavior of scheduler may not be suitable a little. This patch fixes +the reasonable value to fit current implementation. This value should +be updated again when the turbo mode will support with cpu capacity +features. + +Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com> +--- + arch/arm64/kernel/energy_model.h | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/arch/arm64/kernel/energy_model.h b/arch/arm64/kernel/energy_model.h +index c2aae4f..f261080 100644 +--- a/arch/arm64/kernel/energy_model.h ++++ b/arch/arm64/kernel/energy_model.h +@@ -189,7 +189,7 @@ static struct idle_state idle_states_cluster_h3_a57[] = { + + static struct capacity_state cap_states_cluster_h3_a53[] = { + /* Power per cluster */ +- { .cap = 379, .power = 16, }, /* 1200 MHz */ ++ { .cap = 432, .power = 16, }, /* 1200 MHz */ + }; + + static struct capacity_state cap_states_cluster_h3_a57[] = { +@@ -231,7 +231,7 @@ static struct idle_state idle_states_core_h3_a57[] = { + + static struct capacity_state cap_states_core_h3_a53[] = { + /* Power per cpu */ +- { .cap = 379, .power = 131, }, /* 1200 MHz */ ++ { .cap = 432, .power = 131, }, /* 1200 MHz */ + }; + + static struct capacity_state cap_states_core_h3_a57[] = { +@@ -273,7 +273,7 @@ static struct idle_state idle_states_cluster_m3_a57[] = { + + static struct capacity_state cap_states_cluster_m3_a53[] = { + /* Power per cluster */ +- { .cap = 362, .power = 33, }, /* 1200 MHz */ ++ { .cap = 434, .power = 33, }, /* 1200 MHz */ + }; + + static struct capacity_state cap_states_cluster_m3_a57[] = { +@@ -316,7 +316,7 @@ static struct idle_state idle_states_core_m3_a57[] = { + + static struct capacity_state cap_states_core_m3_a53[] = { + /* Power per cpu */ +- { .cap = 362, .power = 131, }, /* 1200 MHz */ ++ { .cap = 434, .power = 131, }, /* 1200 MHz */ + }; + + static struct capacity_state cap_states_core_m3_a57[] = { +-- +2.7.4 + |