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add three buf support of fb; enhance gpu's mmu table size to 256k

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This commit is contained in:
杜坤明 2010-12-17 16:56:30 +08:00
parent 63eb7c0f41
commit 08fa548d16
2 changed files with 20 additions and 1 deletions
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2
drivers/staging/rk29/vivante/hal/inc/gc_hal_options.h
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@ -182,7 +182,7 @@
Size of the MMU page table in bytes. Each 4 bytes can hold 4kB worth of
virtual data.
*/
#define gcdMMU_SIZE (128 << 10)
#define gcdMMU_SIZE (256 << 10)
/*
gcdSECURE_USER

19
drivers/video/rk29_fb.c
View File

@ -53,6 +53,7 @@
#include "./display/screen/screen.h"
#define ANDROID_USE_THREE_BUFS 1 //android use three buffers to accelerate UI display in rgb plane
#if 0
#define fbprintk(msg...) printk(msg);
@ -190,6 +191,10 @@ static int win1fb_set_par(struct fb_info *info);
static DECLARE_WAIT_QUEUE_HEAD(wq);
static int wq_condition = 0;
#if ANDROID_USE_THREE_BUFS
static int new_frame_seted = 1;
#endif
void set_lcd_pin(struct platform_device *pdev, int enable)
{
struct rk29fb_info *mach_info = pdev->dev.platform_data;
@ -1389,6 +1394,14 @@ static int win1fb_set_par(struct fb_info *info)
addr = fix->smem_start + offset;
#if ANDROID_USE_THREE_BUFS
if(0==new_frame_seted) {
wq_condition = 0;
wait_event_interruptible_timeout(wq, wq_condition, HZ/20);
}
new_frame_seted = 0;
#endif
LcdMskReg(inf, SYS_CONFIG, m_W1_ENABLE|m_W1_FORMAT, v_W1_ENABLE(1)|v_W1_FORMAT(format));
xpos += (screen->left_margin + screen->hsync_len);
@ -1459,6 +1472,7 @@ static int win1fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *inf
mcu_refresh(inf);
#if !ANDROID_USE_THREE_BUFS
// flush end when wq_condition=1 in mcu panel, but not in rgb panel
if(SCREEN_MCU == inf->cur_screen->type) {
wait_event_interruptible_timeout(wq, wq_condition, HZ/20);
@ -1467,6 +1481,7 @@ static int win1fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *inf
wq_condition = 0;
wait_event_interruptible_timeout(wq, wq_condition, HZ/20);
}
#endif
return 0;
}
@ -1601,6 +1616,10 @@ static irqreturn_t rk29fb_irq(int irq, void *dev_id)
}
}
#if ANDROID_USE_THREE_BUFS
new_frame_seted = 1;
#endif
wq_condition = 1;
wake_up_interruptible(&wq);