mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 22:23:27 +00:00
a1383655cf
Tested on bcm2710 (Raspberry Pi 3B). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
28 lines
1.0 KiB
Diff
28 lines
1.0 KiB
Diff
From dfc842c139ef08e21647c43c19c2a23090b65b27 Mon Sep 17 00:00:00 2001
|
|
From: popcornmix <popcornmix@gmail.com>
|
|
Date: Thu, 5 Sep 2019 17:59:14 +0100
|
|
Subject: [PATCH] v3d_gem: Kick the clock so firmware knows we are
|
|
using firmware clock interface
|
|
|
|
Setting the v3d clock to low value allows firmware to handle dvfs in case
|
|
where v3d hardware is not being actively used (e.g. console use).
|
|
|
|
Signed-off-by: popcornmix <popcornmix@gmail.com>
|
|
---
|
|
drivers/gpu/drm/v3d/v3d_gem.c | 4 ++++
|
|
1 file changed, 4 insertions(+)
|
|
|
|
--- a/drivers/gpu/drm/v3d/v3d_gem.c
|
|
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
|
|
@@ -918,6 +918,10 @@ v3d_gem_init(struct drm_device *dev)
|
|
mutex_init(&v3d->clk_lock);
|
|
INIT_DELAYED_WORK(&v3d->clk_down_work, v3d_clock_down_work);
|
|
|
|
+ /* kick the clock so firmware knows we are using firmware clock interface */
|
|
+ v3d_clock_up_get(v3d);
|
|
+ v3d_clock_up_put(v3d);
|
|
+
|
|
/* Note: We don't allocate address 0. Various bits of HW
|
|
* treat 0 as special, such as the occlusion query counters
|
|
* where 0 means "disabled".
|