github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-07 14:04:54 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

mali400: mali: set clk_gpu to normal pll when suspend

Browse Source 
The pvtpll will power-down when suspend, and it will cause gpu resume
failed, so do not use pvtpll when suspend.

Signed-off-by: Liang Chen <cl@rock-chips.com>
Change-Id: Ibf06cc8d836c994468751a66cf9ed3d0cc1e4b9f
This commit is contained in:
Liang Chen 2023-03-30 15:41:30 +08:00 committed by Tao Huang
parent 5302628c0d
commit 47989c4975
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/gpu/arm/mali400/mali/platform/rk/rk.c
View File

@ -430,6 +430,13 @@ static int rk_platform_power_on_gpu(struct device *dev)
goto fail_to_enable_regulator;
}
if (cpu_is_rk3528()) {
#if defined(CONFIG_MALI_DEVFREQ) && defined(CONFIG_HAVE_CLK)
struct mali_device *mdev = dev_get_drvdata(dev);
clk_set_rate(mdev->clock, mdev->current_freq);
#endif
}
platform->is_powered = true;
}
@ -447,6 +454,14 @@ static void rk_platform_power_off_gpu(struct device *dev)
struct rk_context *platform = s_rk_context;
if (platform->is_powered) {
if (cpu_is_rk3528()) {
#if defined(CONFIG_MALI_DEVFREQ) && defined(CONFIG_HAVE_CLK)
struct mali_device *mdev = dev_get_drvdata(dev);
//use normal pll 200M for gpu when suspend
clk_set_rate(mdev->clock, 200000000);
#endif
}
rk_platform_disable_clk_gpu(dev);
rk_platform_disable_gpu_regulator(dev);