mirror of
https://github.com/Ysurac/openmptcprouter.git
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181 lines
5.2 KiB
Diff
181 lines
5.2 KiB
Diff
From ff042fa1445df8b3879aec847120abb443625d05 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 15:13:17 -0800
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Subject: [PATCH 593/678] drm/v3d: HACK: gut runtime pm for now.
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Something is still unstable -- on starting a new glxgears from an idle
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X11, I get an MMU violation in high addresses. The CTS also failed
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quite quickly. With this, CTS progresses for an hour before OOMing
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(allocating some big buffers when my board only has 600MB available to
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Linux)
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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 | 16 +---------------
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drivers/gpu/drm/v3d/v3d_drv.c | 7 -------
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drivers/gpu/drm/v3d/v3d_gem.c | 20 --------------------
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3 files changed, 1 insertion(+), 42 deletions(-)
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diff --git a/drivers/gpu/drm/v3d/v3d_debugfs.c b/drivers/gpu/drm/v3d/v3d_debugfs.c
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index a24af2d2f574..b15051df2dbb 100644
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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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@@ -4,7 +4,6 @@
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#include <linux/circ_buf.h>
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#include <linux/ctype.h>
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#include <linux/debugfs.h>
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-#include <linux/pm_runtime.h>
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#include <linux/seq_file.h>
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#include <drm/drmP.h>
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@@ -100,11 +99,8 @@ static int v3d_v3d_debugfs_ident(struct seq_file *m, void *unused)
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struct drm_device *dev = node->minor->dev;
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struct v3d_dev *v3d = to_v3d_dev(dev);
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u32 ident0, ident1, ident2, ident3, cores;
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- int ret, core;
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+ int core;
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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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ident0 = V3D_READ(V3D_HUB_IDENT0);
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ident1 = V3D_READ(V3D_HUB_IDENT1);
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@@ -157,9 +153,6 @@ static int v3d_v3d_debugfs_ident(struct seq_file *m, void *unused)
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(misccfg & V3D_MISCCFG_OVRTMUOUT) != 0);
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}
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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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@@ -187,11 +180,6 @@ static int v3d_measure_clock(struct seq_file *m, void *unused)
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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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@@ -215,8 +203,6 @@ static int v3d_measure_clock(struct seq_file *m, void *unused)
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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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return 0;
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}
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diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
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index 9838c65bb8ec..1f2c3555c038 100644
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--- a/drivers/gpu/drm/v3d/v3d_drv.c
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+++ b/drivers/gpu/drm/v3d/v3d_drv.c
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@@ -75,7 +75,6 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data,
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{
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struct v3d_dev *v3d = to_v3d_dev(dev);
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struct drm_v3d_get_param *args = data;
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- int ret;
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static const u32 reg_map[] = {
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[DRM_V3D_PARAM_V3D_UIFCFG] = V3D_HUB_UIFCFG,
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[DRM_V3D_PARAM_V3D_HUB_IDENT1] = V3D_HUB_IDENT1,
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@@ -101,15 +100,12 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data,
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if (args->value != 0)
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return -EINVAL;
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- ret = pm_runtime_get_sync(v3d->dev);
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if (args->param >= DRM_V3D_PARAM_V3D_CORE0_IDENT0 &&
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args->param <= DRM_V3D_PARAM_V3D_CORE0_IDENT2) {
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args->value = V3D_CORE_READ(0, offset);
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} else {
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args->value = V3D_READ(offset);
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}
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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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return 0;
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}
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@@ -311,9 +307,6 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
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goto dev_free;
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}
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- pm_runtime_use_autosuspend(dev);
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- pm_runtime_set_autosuspend_delay(dev, 50);
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- pm_runtime_enable(dev);
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ret = drm_dev_init(&v3d->drm, &v3d_drm_driver, dev);
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if (ret)
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diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
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index 762b5709fcd4..341411e2e292 100644
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--- a/drivers/gpu/drm/v3d/v3d_gem.c
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+++ b/drivers/gpu/drm/v3d/v3d_gem.c
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@@ -375,7 +375,6 @@ v3d_exec_cleanup(struct kref *ref)
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{
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struct v3d_exec_info *exec = container_of(ref, struct v3d_exec_info,
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refcount);
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- struct v3d_dev *v3d = exec->v3d;
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unsigned int i;
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struct v3d_bo *bo, *save;
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@@ -396,9 +395,6 @@ v3d_exec_cleanup(struct kref *ref)
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drm_gem_object_put_unlocked(&bo->base);
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}
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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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kfree(exec);
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}
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@@ -412,7 +408,6 @@ v3d_tfu_job_cleanup(struct kref *ref)
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{
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struct v3d_tfu_job *job = container_of(ref, struct v3d_tfu_job,
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refcount);
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- struct v3d_dev *v3d = job->v3d;
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unsigned int i;
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dma_fence_put(job->in_fence);
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@@ -423,9 +418,6 @@ v3d_tfu_job_cleanup(struct kref *ref)
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drm_gem_object_put_unlocked(&job->bo[i]->base);
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}
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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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kfree(job);
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}
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@@ -519,12 +511,6 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
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if (!exec)
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return -ENOMEM;
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- ret = pm_runtime_get_sync(v3d->dev);
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- if (ret < 0) {
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- kfree(exec);
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- return ret;
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- }
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-
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kref_init(&exec->refcount);
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ret = drm_syncobj_find_fence(file_priv, args->in_sync_bcl,
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@@ -643,12 +629,6 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
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if (!job)
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return -ENOMEM;
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- ret = pm_runtime_get_sync(v3d->dev);
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- if (ret < 0) {
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- kfree(job);
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- return ret;
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- }
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-
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kref_init(&job->refcount);
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ret = drm_syncobj_find_fence(file_priv, args->in_sync,
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--
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2.19.1
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