C++ (Cpp) trace_program_bandwidth Examples

Example #1

File: bandwidth.c Project: Mrchenkeyu/android_kernel_zte_pluto

/* use the larger of dc->emc_clk_rate or dc->new_emc_clk_rate, and copies
 * dc->new_emc_clk_rate into dc->emc_clk_rate.
 * calling this function both before and after a flip is sufficient to select
 * the best possible frequency and latency allowance.
 * set use_new to true to force dc->new_emc_clk_rate programming.
 */
void tegra_dc_program_bandwidth(struct tegra_dc *dc, bool use_new)
{
	unsigned i;

	if (use_new || dc->emc_clk_rate != dc->new_emc_clk_rate) {
		/* going from 0 to non-zero */
		if (!dc->emc_clk_rate && !tegra_is_clk_enabled(dc->emc_clk))
			clk_prepare_enable(dc->emc_clk);

		clk_set_rate(dc->emc_clk,
			max(dc->emc_clk_rate, dc->new_emc_clk_rate));
		dc->emc_clk_rate = dc->new_emc_clk_rate;

		/* going from non-zero to 0 */
		if (!dc->new_emc_clk_rate && tegra_is_clk_enabled(dc->emc_clk))
			clk_disable_unprepare(dc->emc_clk);
	}

	for (i = 0; i < DC_N_WINDOWS; i++) {
		struct tegra_dc_win *w = &dc->windows[i];

		if ((use_new || w->bandwidth != w->new_bandwidth) &&
			w->new_bandwidth != 0)
			tegra_dc_set_latency_allowance(dc, w);
		trace_program_bandwidth(dc);
		w->bandwidth = w->new_bandwidth;
	}
}

Example #2

File: bandwidth.c Project: Ntemis/LG_X3_P880_v20a

/* use the larger of dc->emc_clk_rate or dc->new_emc_clk_rate, and copies
 * dc->new_emc_clk_rate into dc->emc_clk_rate.
 * calling this function both before and after a flip is sufficient to select
 * the best possible frequency and latency allowance.
 * set use_new to true to force dc->new_emc_clk_rate programming.
 */
void tegra_dc_program_bandwidth(struct tegra_dc *dc, bool use_new)
{
	unsigned i;
//                                                                              
//	int temp_emc_clk;

	if (use_new || dc->emc_clk_rate != dc->new_emc_clk_rate) {
		/* going from 0 to non-zero */
		if (!dc->emc_clk_rate && !tegra_is_clk_enabled(dc->emc_clk))
			clk_enable(dc->emc_clk);

//                                                                                                             
//		clk_set_rate(dc->emc_clk,
//		max(dc->emc_clk_rate, dc->new_emc_clk_rate));
//                               

//                                   
		clk_set_rate(dc->emc_clk,
			max(dc->emc_clk_rate, dc->new_emc_clk_rate));
/*                                     
                                                          
                                                             
                                                                       
                                          
                                 
*/
		dc->emc_clk_rate = dc->new_emc_clk_rate;

//                                                           
//                                      
//                            
//		dc->emc_clk_rate = (dc->emc_clk_rate > 204000000) ? dc->emc_clk_rate : 204000000;
//#endif		
//                                      
//                               

		/* going from non-zero to 0 */
		if (!dc->new_emc_clk_rate && tegra_is_clk_enabled(dc->emc_clk))
			clk_disable(dc->emc_clk);
	}
/*                                     
                                                          
                                                  
                                        
  
                                  
*/

	for (i = 0; i < DC_N_WINDOWS; i++) {
		struct tegra_dc_win *w = &dc->windows[i];

		if ((use_new || w->bandwidth != w->new_bandwidth) &&
			w->new_bandwidth != 0)
			tegra_dc_set_latency_allowance(dc, w);
		trace_program_bandwidth(dc);
		w->bandwidth = w->new_bandwidth;
	}
}