shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 04:10:18 +09:00
Code Issues Packages Projects Releases Wiki Activity

rk_fb: DSP_INFO use xact/yact when win not support scale

Browse Source 
xact/yact means display buffer size, if use xsize/ysize,
maybe out of buffer size range, that would cause iommu crash.

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
This commit is contained in:
Mark Yao
2015-01-19 12:33:48 +08:00
parent 13d648b3d9
commit eeaef47c7f
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/video/rockchip/lcdc/rk312x_lcdc.c
View File

@@ -470,8 +470,8 @@ static void lcdc_layer_update_regs(struct lcdc_device *lcdc_dev,
WIN1_MST, win->area[0].y_addr);
} else {
lcdc_writel(lcdc_dev, WIN1_DSP_INFO_RK312X,
v_DSP_WIDTH(win->area[0].xsize) |
v_DSP_HEIGHT(win->area[0].ysize));
v_DSP_WIDTH(win->area[0].xact) |
v_DSP_HEIGHT(win->area[0].yact));
lcdc_writel(lcdc_dev, WIN1_DSP_ST_RK312X,
v_DSP_STX(win->area[0].dsp_stx) |
v_DSP_STY(win->area[0].dsp_sty));