drm/amd/display: init hw i2c speed (09f6dd6e) · Commits · 戴 / test

drivers/gpu/drm/amd/display/dc/dce/dce_i2c_hw.c

+1 −8

Original line number	Diff line number	Diff line
		@@ -339,7 +339,7 @@ static void release_engine(
		bool safe_to_reset;

		/* Restore original HW engine speed */
		REG_WRITE(SPEED, dce_i2c_hw->original_speed);
		set_speed(dce_i2c_hw, dce_i2c_hw->default_speed);

		/* Reset HW engine */
		{
		@@ -371,7 +371,6 @@ struct dce_i2c_hw *acquire_i2c_hw_engine(
		{
		uint32_t counter = 0;
		enum gpio_result result;
		uint32_t current_speed;
		struct dce_i2c_hw *dce_i2c_hw = NULL;

		if (!ddc)
		@@ -409,11 +408,6 @@ struct dce_i2c_hw *acquire_i2c_hw_engine(

		dce_i2c_hw->ddc = ddc;

		current_speed = REG_READ(SPEED);

		if (current_speed)
		dce_i2c_hw->original_speed = current_speed;

		if (!setup_engine(dce_i2c_hw)) {
		release_engine(dce_i2c_hw);
		return NULL;
		@@ -613,7 +607,6 @@ void dce_i2c_hw_construct(
		dce_i2c_hw->buffer_used_bytes = 0;
		dce_i2c_hw->transaction_count = 0;
		dce_i2c_hw->engine_keep_power_up_count = 1;
		dce_i2c_hw->original_speed = DEFAULT_I2C_HW_SPEED;
		dce_i2c_hw->default_speed = DEFAULT_I2C_HW_SPEED;
		dce_i2c_hw->send_reset_length = 0;
		dce_i2c_hw->setup_limit = I2C_SETUP_TIME_LIMIT_DCE;

+0 −1

Original line number	Diff line number	Diff line
		@@ -256,7 +256,6 @@ struct i2c_request_transaction_data {

		struct dce_i2c_hw {
		struct ddc *ddc;
		uint32_t original_speed;
		uint32_t engine_keep_power_up_count;
		uint32_t transaction_count;
		uint32_t buffer_used_bytes;