diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c b/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c index 5e11d748e6f3..00c9bcf660a3 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c @@ -27,6 +27,7 @@ #include "dm_services.h" +#include "include/gpio_interface.h" #include "include/gpio_types.h" #include "hw_gpio.h" #include "hw_hpd.h" @@ -43,6 +44,8 @@ #define REG(reg)\ (hpd->regs->reg) +struct gpio; + static void dal_hw_hpd_construct( struct hw_hpd *pin, enum gpio_id id, @@ -136,29 +139,29 @@ static void construct( hpd->base.base.funcs = &funcs; } -struct hw_gpio_pin *dal_hw_hpd_create( +void dal_hw_hpd_init( + struct hw_hpd **hw_hpd, struct dc_context *ctx, enum gpio_id id, uint32_t en) { - struct hw_hpd *hpd; - - if (id != GPIO_ID_HPD) { + if ((en < GPIO_DDC_LINE_MIN) || (en > GPIO_DDC_LINE_MAX)) { ASSERT_CRITICAL(false); - return NULL; + *hw_hpd = NULL; } - if ((en < GPIO_HPD_MIN) || (en > GPIO_HPD_MAX)) { + *hw_hpd = kzalloc(sizeof(struct hw_hpd), GFP_KERNEL); + if (!*hw_hpd) { ASSERT_CRITICAL(false); - return NULL; + return; } - hpd = kzalloc(sizeof(struct hw_hpd), GFP_KERNEL); - if (!hpd) { - ASSERT_CRITICAL(false); - return NULL; - } + construct(*hw_hpd, id, en, ctx); +} + +struct hw_gpio_pin *dal_hw_hpd_get_pin(struct gpio *gpio) +{ + struct hw_hpd *hw_hpd = dal_gpio_get_hpd(gpio); - construct(hpd, id, en, ctx); - return &hpd->base.base; + return &hw_hpd->base.base; } |