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[PULL,1/4] macfb: don't clear interrupts when writing to DAFB_RESET

Message ID 20231106081541.53688-2-laurent@vivier.eu
State New
Headers show
Series [PULL,1/4] macfb: don't clear interrupts when writing to DAFB_RESET | expand

Commit Message

Laurent Vivier Nov. 6, 2023, 8:15 a.m. UTC 
From: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

Traces from A/UX suggest that this register is only used to reset the framebuffer
LUT (colour lookup table) and not any other device state.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-ID: <20231026085650.917663-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 hw/display/macfb.c | 2 --
 1 file changed, 2 deletions(-)
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Patch

diff --git a/hw/display/macfb.c b/hw/display/macfb.c
index 2f8e01656640..28db2e9f246a 100644
--- a/hw/display/macfb.c
+++ b/hw/display/macfb.c
@@ -585,8 +585,6 @@  static void macfb_ctrl_write(void *opaque,
         break;
     case DAFB_RESET:
         s->palette_current = 0;
-        s->regs[DAFB_INTR_STAT >> 2] &= ~DAFB_INTR_VBL;
-        macfb_update_irq(s);
         break;
     case DAFB_LUT:
         s->color_palette[s->palette_current] = val;