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Fix mipidsi cache flush #10713

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Merged
merged 1 commit into from
Nov 14, 2025
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Merged

Fix mipidsi cache flush #10713

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5 changes: 3 additions & 2 deletions ports/espressif/common-hal/mipidsi/Display.c
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Original file line number Diff line number Diff line change
Expand Up @@ -213,8 +213,9 @@ bool common_hal_mipidsi_display_deinited(mipidsi_display_obj_t *self) {
}

void common_hal_mipidsi_display_refresh(mipidsi_display_obj_t *self) {
// Write back the cache to ensure framebuffer changes are visible
Cache_WriteBack_Addr((uint32_t)(self->framebuffer), self->framebuffer_size);
// Drawing the framebuffer we got from the IDF will flush the cache(s) so
// DMA can see our changes. It won't cause an extra copy.
esp_lcd_panel_draw_bitmap(self->dpi_panel_handle, 0, 0, self->width, self->height, self->framebuffer);

// The DPI panel will automatically refresh from the framebuffer
// No explicit refresh call is needed as the DSI hardware continuously
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