diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c b/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c index 7a8cec2d7a90..d9e6e70dc394 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/hw_ddc.c @@ -23,9 +23,6 @@ * */ -#include <linux/delay.h> -#include <linux/slab.h> - #include "dm_services.h" #include "include/gpio_interface.h" @@ -97,11 +94,14 @@ static enum gpio_result set_config( * is required for detection of AUX mode */ if (hw_gpio->base.en != GPIO_DDC_LINE_VIP_PAD) { if (!ddc_data_pd_en || !ddc_clk_pd_en) { - - REG_SET_2(gpio.MASK_reg, regval, + if (hw_gpio->base.en == GPIO_DDC_LINE_DDC_VGA) { + // bit 4 of mask has different usage in some cases + REG_SET(gpio.MASK_reg, regval, DC_GPIO_DDC1DATA_PD_EN, 1); + } else { + REG_SET_2(gpio.MASK_reg, regval, DC_GPIO_DDC1DATA_PD_EN, 1, DC_GPIO_DDC1CLK_PD_EN, 1); - + } if (config_data->type == GPIO_CONFIG_TYPE_I2C_AUX_DUAL_MODE) msleep(3); @@ -170,8 +170,7 @@ static enum gpio_result set_config( return GPIO_RESULT_OK; case GPIO_DDC_CONFIG_TYPE_POLL_FOR_CONNECT: - if ((hw_gpio->base.en >= GPIO_DDC_LINE_DDC1) && - (hw_gpio->base.en <= GPIO_DDC_LINE_DDC_VGA)) { + if (hw_gpio->base.en <= GPIO_DDC_LINE_DDC_VGA) { REG_UPDATE_3(ddc_setup, DC_I2C_DDC1_ENABLE, 1, DC_I2C_DDC1_EDID_DETECT_ENABLE, 1, @@ -180,8 +179,7 @@ static enum gpio_result set_config( } break; case GPIO_DDC_CONFIG_TYPE_POLL_FOR_DISCONNECT: - if ((hw_gpio->base.en >= GPIO_DDC_LINE_DDC1) && - (hw_gpio->base.en <= GPIO_DDC_LINE_DDC_VGA)) { + if (hw_gpio->base.en <= GPIO_DDC_LINE_DDC_VGA) { REG_UPDATE_3(ddc_setup, DC_I2C_DDC1_ENABLE, 1, DC_I2C_DDC1_EDID_DETECT_ENABLE, 1, @@ -190,8 +188,7 @@ static enum gpio_result set_config( } break; case GPIO_DDC_CONFIG_TYPE_DISABLE_POLLING: - if ((hw_gpio->base.en >= GPIO_DDC_LINE_DDC1) && - (hw_gpio->base.en <= GPIO_DDC_LINE_DDC_VGA)) { + if (hw_gpio->base.en <= GPIO_DDC_LINE_DDC_VGA) { REG_UPDATE_2(ddc_setup, DC_I2C_DDC1_ENABLE, 0, DC_I2C_DDC1_EDID_DETECT_ENABLE, 0); @@ -231,7 +228,7 @@ void dal_hw_ddc_init( enum gpio_id id, uint32_t en) { - if ((en < GPIO_DDC_LINE_MIN) || (en > GPIO_DDC_LINE_MAX)) { + if (en > GPIO_DDC_LINE_MAX) { ASSERT_CRITICAL(false); *hw_ddc = NULL; } |