linux-brain/drivers/gpu/drm/amd/display/dc/gpio
Takashi Iwai 9cdccb4761 drm/amd/display: Fix kernel panic by dal_gpio_open() error
commit 920bb38c518408fa2600eaefa0af9e82cf48f166 upstream.

Currently both error code paths handled in dal_gpio_open_ex() issues
ASSERT_CRITICAL(), and this leads to a kernel panic unnecessarily if
CONFIG_KGDB is enabled.  Since basically both are non-critical errors
and can be recovered, drop those assert calls and use a safer one,
BREAK_TO_DEBUGGER(), for allowing the debugging, instead.

BugLink: https://bugzilla.opensuse.org/show_bug.cgi?id=1177973
Cc: <stable@vger.kernel.org>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-05 11:43:34 +01:00
..
dce80 drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
dce110 drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
dce120 drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
dcn10 drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
dcn20 drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
dcn21 drm/amd/display: Add stereo mux and dig programming calls for dcn21 2019-09-17 13:55:47 -05:00
diagnostics drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
Makefile drm/amd/display: Add Renoir GPIO 2019-08-29 15:52:33 -05:00
ddc_regs.h drm/amd/display: Add GPIO support for DCN2 2019-06-21 18:59:34 -05:00
generic_regs.h drm/amd/display: Implement generic MUX registers (v2) 2019-07-18 14:27:24 -05:00
gpio_base.c drm/amd/display: Fix kernel panic by dal_gpio_open() error 2020-11-05 11:43:34 +01:00
gpio_regs.h
gpio_service.c drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
gpio_service.h drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
hpd_regs.h
hw_ddc.c drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
hw_ddc.h drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
hw_factory.c drm/amd/display: Add Renoir GPIO 2019-08-29 15:52:33 -05:00
hw_factory.h drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
hw_generic.c drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
hw_generic.h drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
hw_gpio.c amdgpu/dc: cleanup construct returns in gpio. 2017-09-29 13:02:28 -04:00
hw_gpio.h amdgpu/dc: cleanup construct returns in gpio. 2017-09-29 13:02:28 -04:00
hw_hpd.c drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
hw_hpd.h drm/amd/display: refactor gpio to allocate hw_container in constructor 2019-08-15 10:53:55 -05:00
hw_translate.c drm/amd/display: Add Renoir GPIO 2019-08-29 15:52:33 -05:00
hw_translate.h