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authorJoel Challis <git@zvecr.com>2022-11-14 01:49:58 +0000
committerGitHub <noreply@github.com>2022-11-14 01:49:58 +0000
commit0719d68b205ecffd8f93dee07b7dd07d8bc8c615 (patch)
tree29acd55f8fad0092c12bb599de411978171459de /drivers/oled/ssd1306_sh1106.c
parenta42ab90220ce01c2aebdebb09aa458f383d26892 (diff)
Add default limit to OLED dirty processing (#19068)
Diffstat (limited to 'drivers/oled/ssd1306_sh1106.c')
-rw-r--r--drivers/oled/ssd1306_sh1106.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/oled/ssd1306_sh1106.c b/drivers/oled/ssd1306_sh1106.c
index 9fc8c2d2ad..342920572e 100644
--- a/drivers/oled/ssd1306_sh1106.c
+++ b/drivers/oled/ssd1306_sh1106.c
@@ -300,8 +300,9 @@ void oled_render(void) {
// Turn on display if it is off
oled_on();
- uint8_t update_start = 0;
- while (oled_dirty) { // render all dirty blocks
+ uint8_t update_start = 0;
+ uint8_t num_processed = 0;
+ while (oled_dirty && num_processed++ < OLED_UPDATE_PROCESS_LIMIT) { // render all dirty blocks (up to the configured limit)
// Find next dirty block
while (!(oled_dirty & ((OLED_BLOCK_TYPE)1 << update_start))) {
++update_start;