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fix(gdeq031t10): skip the panel refresh when the frame is unchanged (#624)

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Crazypedia
2026-08-27 11:03:34 -04:00
committed by GitHub
parent 0ee2415f3b
commit c656ee9ffd
1 changed files with 5 additions and 3 deletions
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Drivers/gdeq031t10-module/source/gdeq031t10.cpp
+5 -3
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@@ -387,9 +387,6 @@ static error_t gdeq031t10_draw_bitmap(Device* device, int32_t x_start, int32_t y
xSemaphoreTake(internal->panel_mutex, portMAX_DELAY); xSemaphoreTake(internal->panel_mutex, portMAX_DELAY);
// Work-around until partial updates are working
internal->force_full_refresh = true;
if (!internal->display_on) { if (!internal->display_on) {
// Display is off (deep sleep). Drop the frame without touching the shadow: the // Display is off (deep sleep). Drop the frame without touching the shadow: the
// mismatch it leaves behind makes the frame redraw after the next power-on. // mismatch it leaves behind makes the frame redraw after the next power-on.
@@ -419,6 +416,11 @@ static error_t gdeq031t10_draw_bitmap(Device* device, int32_t x_start, int32_t y
return ERROR_NONE; // panel already shows this frame; don't refresh needlessly return ERROR_NONE; // panel already shows this frame; don't refresh needlessly
} }
// Work-around until partial updates are working. It has to stay below the unchanged-frame
// check: a repaint that renders identical pixels must cost nothing, or a periodically
// repainting app pins the panel in a ~1.2s full-refresh loop.
internal->force_full_refresh = true;
if (internal->force_full_refresh) { if (internal->force_full_refresh) {
LOG_I(TAG, "draw_bitmap: refresh_full"); LOG_I(TAG, "draw_bitmap: refresh_full");
refresh_full(internal, config->mirror_180, config->refresh_mode, render_bitmap); refresh_full(internal, config->mirror_180, config->refresh_mode, render_bitmap);