diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0581-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0581-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0581-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch b/target/linux/brcm2708/patches-4.19/950-0581-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch deleted file mode 100644 index 67f4c4813f..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0581-drm-v3d-Make-sure-the-GPU-is-on-when-measuring-clock.patch +++ /dev/null @@ -1,38 +0,0 @@ -From cf9082f5c2ae9b9a85329cbb5a0651bcc36205a3 Mon Sep 17 00:00:00 2001 -From: Eric Anholt <eric@anholt.net> -Date: Mon, 14 Jan 2019 17:26:04 -0800 -Subject: [PATCH 581/725] 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; - } - |