disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.c
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@@ -23,8 +23,11 @@
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  *
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  */
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+#include <linux/slab.h>
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+
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 #include "dm_services.h"
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+#include "include/gpio_interface.h"
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 #include "include/gpio_types.h"
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 #include "hw_gpio.h"
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 #include "hw_hpd.h"
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@@ -41,14 +44,7 @@
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 #define REG(reg)\
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 	(hpd->regs->reg)
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-static void dal_hw_hpd_construct(
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-	struct hw_hpd *pin,
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-	enum gpio_id id,
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-	uint32_t en,
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-	struct dc_context *ctx)
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-{
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-	dal_hw_gpio_construct(&pin->base, id, en, ctx);
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-}
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+struct gpio;
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 static void dal_hw_hpd_destruct(
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 	struct hw_hpd *pin)
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@@ -56,19 +52,12 @@
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 	dal_hw_gpio_destruct(&pin->base);
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 }
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-
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-static void destruct(
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-	struct hw_hpd *hpd)
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-{
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-	dal_hw_hpd_destruct(hpd);
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-}
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-
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-static void destroy(
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+static void dal_hw_hpd_destroy(
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 	struct hw_gpio_pin **ptr)
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 {
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 	struct hw_hpd *hpd = HW_HPD_FROM_BASE(*ptr);
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-	destruct(hpd);
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+	dal_hw_hpd_destruct(hpd);
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 	kfree(hpd);
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@@ -115,7 +104,7 @@
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 }
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 static const struct hw_gpio_pin_funcs funcs = {
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-	.destroy = destroy,
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+	.destroy = dal_hw_hpd_destroy,
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 	.open = dal_hw_gpio_open,
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 	.get_value = get_value,
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 	.set_value = dal_hw_gpio_set_value,
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@@ -124,39 +113,39 @@
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 	.close = dal_hw_gpio_close,
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 };
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-static void construct(
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-	struct hw_hpd *hpd,
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+static void dal_hw_hpd_construct(
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+	struct hw_hpd *pin,
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 	enum gpio_id id,
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 	uint32_t en,
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 	struct dc_context *ctx)
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 {
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-	dal_hw_hpd_construct(hpd, id, en, ctx);
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-	hpd->base.base.funcs = &funcs;
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+	dal_hw_gpio_construct(&pin->base, id, en, ctx);
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+	pin->base.base.funcs = &funcs;
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 }
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-struct hw_gpio_pin *dal_hw_hpd_create(
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+void dal_hw_hpd_init(
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+	struct hw_hpd **hw_hpd,
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 	struct dc_context *ctx,
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 	enum gpio_id id,
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 	uint32_t en)
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 {
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-	struct hw_hpd *hpd;
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-
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-	if (id != GPIO_ID_HPD) {
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+	if ((en < GPIO_DDC_LINE_MIN) || (en > GPIO_DDC_LINE_MAX)) {
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 		ASSERT_CRITICAL(false);
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-		return NULL;
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+		*hw_hpd = NULL;
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 	}
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-	if ((en < GPIO_HPD_MIN) || (en > GPIO_HPD_MAX)) {
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+	*hw_hpd = kzalloc(sizeof(struct hw_hpd), GFP_KERNEL);
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+	if (!*hw_hpd) {
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 		ASSERT_CRITICAL(false);
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-		return NULL;
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+		return;
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 	}
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-	hpd = kzalloc(sizeof(struct hw_hpd), GFP_KERNEL);
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-	if (!hpd) {
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-		ASSERT_CRITICAL(false);
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-		return NULL;
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-	}
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+	dal_hw_hpd_construct(*hw_hpd, id, en, ctx);
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+}
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-	construct(hpd, id, en, ctx);
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-	return &hpd->base.base;
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+struct hw_gpio_pin *dal_hw_hpd_get_pin(struct gpio *gpio)
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+{
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+	struct hw_hpd *hw_hpd = dal_gpio_get_hpd(gpio);
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+
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+	return &hw_hpd->base.base;
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 }