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7d7aa2fd92
This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Despite, since subtargets range from bcm2708 to bcm2711, it seems appropriate to use bcm27xx instead of bcm2708 (again, as already done for BOARDNAME). This also renames the packages brcm2708-userland and brcm2708-gpu-fw. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
39 lines
1.0 KiB
Diff
39 lines
1.0 KiB
Diff
From 19846d53c32be7c9d8d46b369910374c5ea9b9d5 Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Mon, 14 Jan 2019 17:26:04 -0800
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Subject: [PATCH] drm/v3d: Make sure the GPU is on when measuring
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clocks.
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You'll get garbage measurements if the registers always read back
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0xdeadbeef
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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drivers/gpu/drm/v3d/v3d_debugfs.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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--- a/drivers/gpu/drm/v3d/v3d_debugfs.c
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+++ b/drivers/gpu/drm/v3d/v3d_debugfs.c
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@@ -187,6 +187,11 @@ static int v3d_measure_clock(struct seq_
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uint32_t cycles;
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int core = 0;
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int measure_ms = 1000;
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+ int ret;
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+
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+ ret = pm_runtime_get_sync(v3d->dev);
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+ if (ret < 0)
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+ return ret;
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if (v3d->ver >= 40) {
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V3D_CORE_WRITE(core, V3D_V4_PCTR_0_SRC_0_3,
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@@ -210,6 +215,9 @@ static int v3d_measure_clock(struct seq_
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cycles / (measure_ms * 1000),
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(cycles / (measure_ms * 100)) % 10);
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+ pm_runtime_mark_last_busy(v3d->dev);
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+ pm_runtime_put_autosuspend(v3d->dev);
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+
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return 0;
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}
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