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ipod4g: Pull LCD framebuffer out of IRAM

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The recent pcm_mixer changes caused us to overflow IRAM by a whopping 8
bytes.  This can _probably_ be mitigated with some clever reworking but
we were clearly already on the hairy edge.

Future pending changes are likely to increase IRAM pressure so even if
we solve this issue the odds are it will reappear at a future point.

(the ipod4g's framebuffer is 5KB.  This doesn't affect the mini2g as its
 framebuffer is under 4KB, and the ipodcolor doesn't put its framebuffer
 in IRAM at all)

Change-Id: I2f50d998e969a706cc9d3a0e057cf8e6c303c9b4
This commit is contained in:
Solomon Peachy 2026-04-14 10:16:58 -04:00
parent 4dbcb13f58
commit 41893b250f
1 changed files with 1 additions and 1 deletions
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2
firmware/export/config/ipod4g.h
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@ -220,7 +220,7 @@
#define HAVE_IAP_MULTIPORT
#define HAVE_SERIAL
#define IRAM_LCDFRAMEBUFFER IBSS_ATTR /* put the lcd frame buffer in IRAM */
// #define IRAM_LCDFRAMEBUFFER IBSS_ATTR /* put the lcd frame buffer in IRAM */
/* DMA is used only for reading on PP502x because although reads are ~8x faster