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| author | Artem Lapkin <art@khadas.com> | 2021-03-02 07:22:02 +0300 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2021-03-11 13:11:33 +0300 |
| commit | fa0c16caf3d73ab4d2e5d6fa2ef2394dbec91791 (patch) | |
| tree | 7049fab5091227c99257b32a2b3e82522f776027 /drivers/gpu/drm/drm_gem_shmem_helper.c | |
| parent | 11d5a4745e00e73745774671dbf2fb07bd6e2363 (diff) | |
| download | linux-fa0c16caf3d73ab4d2e5d6fa2ef2394dbec91791.tar.xz | |
drm: meson_drv add shutdown function
Problem: random stucks on reboot stage about 1/20 stuck/reboots
// debug kernel log
[ 4.496660] reboot: kernel restart prepare CMD:(null)
[ 4.498114] meson_ee_pwrc c883c000.system-controller:power-controller: shutdown begin
[ 4.503949] meson_ee_pwrc c883c000.system-controller:power-controller: shutdown domain 0:VPU...
...STUCK...
Solution: add shutdown function to meson_drm driver
// debug kernel log
[ 5.231896] reboot: kernel restart prepare CMD:(null)
[ 5.246135] [drm:meson_drv_shutdown]
...
[ 5.259271] meson_ee_pwrc c883c000.system-controller:power-controller: shutdown begin
[ 5.274688] meson_ee_pwrc c883c000.system-controller:power-controller: shutdown domain 0:VPU...
[ 5.338331] reboot: Restarting system
[ 5.358293] psci: PSCI_0_2_FN_SYSTEM_RESET reboot_mode:0 cmd:(null)
bl31 reboot reason: 0xd
bl31 reboot reason: 0x0
system cmd 1.
...REBOOT...
Tested: on VIM1 VIM2 VIM3 VIM3L khadas sbcs - 1000+ successful reboots
and Odroid boards, WeTek Play2 (GXBB)
Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller")
Signed-off-by: Artem Lapkin <art@khadas.com>
Tested-by: Christian Hewitt <christianshewitt@gmail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210302042202.3728113-1-art@khadas.com
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_gem_shmem_helper.c')
0 files changed, 0 insertions, 0 deletions