openwrt/target/linux/bcm27xx/patches-5.4/950-0313-drm-v3d-Delete-pm_runtime-support.patch
Álvaro Fernández Rojas 77e97abf12 bcm27xx: update to latest patches from RPi foundation
Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2020-05-28 19:12:43 +02:00

63 lines
1.7 KiB
Diff

From 4fad98821e9ccd74b9b828d98cbe9df8c7437605 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 18 Sep 2019 17:22:36 +0100
Subject: [PATCH] drm/v3d: Delete pm_runtime support
The pm_runtime was blocking changelist submission, so delete it as a
temporary workaround.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/gpu/drm/v3d/v3d_gem.c | 5 -----
drivers/gpu/drm/v3d/v3d_mmu.c | 11 -----------
2 files changed, 16 deletions(-)
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -478,10 +478,6 @@ v3d_job_init(struct v3d_dev *v3d, struct
job->v3d = v3d;
job->free = free;
- ret = pm_runtime_get_sync(v3d->dev);
- if (ret < 0)
- return ret;
-
xa_init_flags(&job->deps, XA_FLAGS_ALLOC);
ret = drm_syncobj_find_fence(file_priv, in_sync, 0, 0, &in_fence);
@@ -498,7 +494,6 @@ v3d_job_init(struct v3d_dev *v3d, struct
return 0;
fail:
xa_destroy(&job->deps);
- pm_runtime_put_autosuspend(v3d->dev);
return ret;
}
--- a/drivers/gpu/drm/v3d/v3d_mmu.c
+++ b/drivers/gpu/drm/v3d/v3d_mmu.c
@@ -36,14 +36,6 @@ static int v3d_mmu_flush_all(struct v3d_
{
int ret;
- /* Keep power on the device on until we're done with this
- * call, but skip the flush if the device is off and will be
- * reset when powered back on.
- */
- ret = pm_runtime_get_if_in_use(v3d->dev);
- if (ret == 0)
- return 0;
-
/* Make sure that another flush isn't already running when we
* start this one.
*/
@@ -71,9 +63,6 @@ static int v3d_mmu_flush_all(struct v3d_
if (ret)
dev_err(v3d->dev, "MMUC flush wait idle failed\n");
- pm_runtime_mark_last_busy(v3d->dev);
- pm_runtime_put_autosuspend(v3d->dev);
-
return ret;
}