From 0cb162a76b16d58250a33e817af6a763e89a770a Mon Sep 17 00:00:00 2001 From: Solomon Peachy Date: Fri, 28 Aug 2020 21:45:58 -0400 Subject: mips: Heavily rework DMA & caching code Based on code originally written by Amaury Pouly (g#1789, g#1791, g#1527) but rebased and heavily updated. Change-Id: Ic794abb5e8d89feb4b88fc3abe854270fb28db70 --- firmware/target/mips/ingenic_jz47xx/lcd-jz4740.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'firmware/target/mips/ingenic_jz47xx/lcd-jz4740.c') diff --git a/firmware/target/mips/ingenic_jz47xx/lcd-jz4740.c b/firmware/target/mips/ingenic_jz47xx/lcd-jz4740.c index cf676622f1..a2d5b73ea8 100644 --- a/firmware/target/mips/ingenic_jz47xx/lcd-jz4740.c +++ b/firmware/target/mips/ingenic_jz47xx/lcd-jz4740.c @@ -109,8 +109,9 @@ void lcd_update_rect(int x, int y, int width, int height) REG_DMAC_DCMD(DMA_LCD_CHANNEL) = ( DMAC_DCMD_SAI | DMAC_DCMD_RDIL_IGN | DMAC_DCMD_SWDH_32 | DMAC_DCMD_DWDH_16 | DMAC_DCMD_DS_16BYTE ); - __dcache_writeback_all(); /* Size of framebuffer is way bigger than cache size. - We need to find a way to make the framebuffer uncached, so this statement can get removed. */ + // XXX range + commit_discard_dcache(); /* Size of framebuffer is way bigger than cache size. + We need to find a way to make the framebuffer uncached, so this statement can get removed. */ while(REG_SLCD_STATE & SLCD_STATE_BUSY); REG_SLCD_CTRL |= SLCD_CTRL_DMA_EN; /* Enable SLCD DMA support */ @@ -174,7 +175,7 @@ void lcd_blit_yuv(unsigned char * const src[3], yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1); yuv_src[2] = src[2] + (yuv_src[1] - src[1]); - __dcache_writeback_all(); + commit_discard_dcache(); // XXX range __cpm_start_ipu(); -- cgit v1.2.3