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path: root/target/linux/brcm2708/patches-4.19/950-0504-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch
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Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0504-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0504-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch38
1 files changed, 0 insertions, 38 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0504-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch b/target/linux/brcm2708/patches-4.19/950-0504-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch
deleted file mode 100644
index 30cb228964..0000000000
--- a/target/linux/brcm2708/patches-4.19/950-0504-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-From 19846d53c32be7c9d8d46b369910374c5ea9b9d5 Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Mon, 14 Jan 2019 17:26:04 -0800
-Subject: [PATCH] drm/v3d: Make sure the GPU is on when measuring
- clocks.
-
-You'll get garbage measurements if the registers always read back
-0xdeadbeef
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
----
- drivers/gpu/drm/v3d/v3d_debugfs.c | 8 ++++++++
- 1 file changed, 8 insertions(+)
-
---- a/drivers/gpu/drm/v3d/v3d_debugfs.c
-+++ b/drivers/gpu/drm/v3d/v3d_debugfs.c
-@@ -187,6 +187,11 @@ static int v3d_measure_clock(struct seq_
- uint32_t cycles;
- int core = 0;
- int measure_ms = 1000;
-+ int ret;
-+
-+ ret = pm_runtime_get_sync(v3d->dev);
-+ if (ret < 0)
-+ return ret;
-
- if (v3d->ver >= 40) {
- V3D_CORE_WRITE(core, V3D_V4_PCTR_0_SRC_0_3,
-@@ -210,6 +215,9 @@ static int v3d_measure_clock(struct seq_
- cycles / (measure_ms * 1000),
- (cycles / (measure_ms * 100)) % 10);
-
-+ pm_runtime_mark_last_busy(v3d->dev);
-+ pm_runtime_put_autosuspend(v3d->dev);
-+
- return 0;
- }
-