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voodoo1: apply higher CMDFIFO wake threshold only for Voodoo1

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AITUS95
2025-11-26 19:40:51 +01:00
committed by GitHub
parent e5e51b3c34
commit eee4ec9f87
1 changed files with 13 additions and 4 deletions
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17
src/video/vid_voodoo.c
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@@ -427,18 +427,27 @@ voodoo_writel(uint32_t addr, uint32_t val, void *priv)
voodoo_queue_command(voodoo, addr | FIFO_WRITEL_FB, val);
} else if ((addr & 0x200000) && (voodoo->fbiInit7 & FBIINIT7_CMDFIFO_ENABLE)) {
#if 0
voodoo_log("Write CMDFIFO %08x(%08x) %08x %08x\n", addr, voodoo->cmdfifo_base + (addr & 0x3fffc), val, (voodoo->cmdfifo_base + (addr & 0x3fffc)) & voodoo->fb_mask);
voodoo_log("Write CMDFIFO %08x(%08x) %08x %08x\n", addr, (voodoo->cmdfifo_base + (addr & 0x3fffc)) & voodoo->fb_mask, val, (voodoo->cmdfifo_base + (addr & 0x3fffc)) & voodoo->fb_mask);
#endif
*(uint32_t *) &voodoo->fb_mem[(voodoo->cmdfifo_base + (addr & 0x3fffc)) & voodoo->fb_mask] = val;
voodoo->cmdfifo_depth_wr++;
if ((voodoo->cmdfifo_depth_wr - voodoo->cmdfifo_depth_rd) > (voodoo->type == VOODOO_1 ? 300 : 20))
voodoo_wake_fifo_thread(voodoo);
/* Voodoo1: use higher CMDFIFO threshold to reduce wake frequency */
if (voodoo->type == VOODOO_1) {
if ((voodoo->cmdfifo_depth_wr - voodoo->cmdfifo_depth_rd) > 300)
voodoo_wake_fifo_thread(voodoo);
}
/* Other cards (Voodoo2, Banshee, Voodoo3, ...) keep the original behavior */
else {
if ((voodoo->cmdfifo_depth_wr - voodoo->cmdfifo_depth_rd) < 20)
voodoo_wake_fifo_thread(voodoo);
}
} else
switch (addr & 0x3fc) {
case SST_intrCtrl:
fatal("intrCtrl write %08x\n", val);
break;
case SST_userIntrCMD:
fatal("userIntrCMD write %08x\n", val);
break;