diff options
| author | Su Sung Chung <Su.Chung@amd.com> | 2019-07-08 11:31:39 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-08-15 10:53:55 -0500 |
| commit | 91db9311945f01901ddb9813ce11364de214a156 (patch) | |
| tree | 1afec6692b3e5f2a29036ab0b889bf558adf91ac /drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c | |
| parent | 37495fbdf12d1bce30dbc228c901ef45eba35739 (diff) | |
drm/amd/display: refactor gpio to allocate hw_container in constructor
[why]
if dynamic allocation fails during gpio_open, it will cause crash due to
page fault.
[how]
handle allocation when gpio object gets created and prevent from calling
gpio_open if allocation failed
Signed-off-by: Su Sung Chung <Su.Chung@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c index afb7c0f111bf..43a440385b43 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c @@ -212,12 +212,12 @@ static void define_generic_registers(struct hw_gpio_pin *pin, uint32_t en) /* fucntion table */ static const struct hw_factory_funcs funcs = { - .create_ddc_data = dal_hw_ddc_create, - .create_ddc_clock = dal_hw_ddc_create, - .create_generic = dal_hw_generic_create, - .create_hpd = dal_hw_hpd_create, - .create_sync = NULL, - .create_gsl = NULL, + .init_ddc_data = dal_hw_ddc_init, + .init_generic = dal_hw_generic_init, + .init_hpd = dal_hw_hpd_init, + .get_ddc_pin = dal_hw_ddc_get_pin, + .get_hpd_pin = dal_hw_hpd_get_pin, + .get_generic_pin = dal_hw_generic_get_pin, .define_hpd_registers = define_hpd_registers, .define_ddc_registers = define_ddc_registers, .define_generic_registers = define_generic_registers, |