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fix 1080p video bandwidth

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This commit is contained in:
zyw
2011-01-04 16:19:14 +08:00
parent b0f8deeacd
commit ca6d3bc346
2 changed files with 5 additions and 6 deletions
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2
drivers/video/hdmi/hdmi-fb.c Executable file → Normal file
View File

@@ -8,7 +8,7 @@
/* Base */
#define LCD_ACLK 312000000
#define LCD_ACLK 500000000// 312000000
#define OUT_TYPE SCREEN_HDMI
#define OUT_FACE OUT_P888

9
drivers/video/rk29_fb.c
View File

@@ -430,9 +430,9 @@ int init_lcdc(struct fb_info *info)
clk_enable(inf->clk);
// set AHB access rule and disable all windows
LcdWrReg(inf, SYS_CONFIG, 0x20000000);
LcdWrReg(inf, SYS_CONFIG, 0x60000000);
LcdWrReg(inf, SWAP_CTRL, 0);
LcdWrReg(inf, FIFO_WATER_MARK, 0x00000860);
LcdWrReg(inf, FIFO_WATER_MARK, 0x00000864);//68
// and mcu holdmode; and set win1 top.
LcdMskReg(inf, MCU_TIMING_CTRL, m_MCU_HOLDMODE_SELECT | m_MCU_HOLDMODE_FRAME_ST | m_MCU_BYPASSMODE_SELECT ,
@@ -603,7 +603,7 @@ void load_screen(struct fb_info *info, bool initscreen)
printk(KERN_ERR "failed to get lcd clock clk_share_mem source \n");
return;
}
inf->aclk_parent = clk_get(NULL, "general_pll");
inf->aclk_parent = clk_get(NULL, "ddr_pll");//general_pll //ddr_pll
if (IS_ERR(inf->dclk_parent))
{
printk(KERN_ERR "failed to get lcd dclock parent source\n");
@@ -919,8 +919,7 @@ static int win0_set_par(struct fb_info *info)
LcdWrReg(inf, WIN0_YRGB_MST, y_addr);
LcdWrReg(inf, WIN0_CBR_MST, uv_addr);
LcdMskReg(inf, SYS_CONFIG, m_W0_FORMAT | m_W0_AXI_OUTSTANDING2,
v_W0_FORMAT(par->format) | v_W0_AXI_OUTSTANDING2(inf->video_mode==0));
LcdMskReg(inf, SYS_CONFIG, m_W0_FORMAT , v_W0_FORMAT(par->format));//(inf->video_mode==0)
LcdMskReg(inf, WIN0_VIR, m_WORDLO | m_WORDHI, v_VIRWIDTH(xvir) | v_VIRHEIGHT((yvir)) );
LcdMskReg(inf, WIN0_ACT_INFO, m_WORDLO | m_WORDHI, v_WORDLO(xact) | v_WORDHI(yact));