Added bounce_buffer_size_px for slint

ESoPe-GmbH · Nov 27, 2024 · be16fd5 · be16fd5
1 parent 08ee144
commit be16fd5
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diff --git a/source/module/display/internal/display_esp32s3.c b/source/module/display/internal/display_esp32s3.c
@@ -155,6 +155,8 @@ display_mcu_handle_t display_mcu_init(const display_common_hardware_t* config, d
         mcu->panel_config.disp_gpio_num = P(config->rgb.disp_en);
         mcu->panel_config.flags.disp_active_low = display->mcu_config.rgb.esp32.flags.disp_active_low;
         mcu->panel_config.flags.fb_in_psram = display->mcu_config.rgb.esp32.flags.fb_in_psram;
+        mcu->panel_config.bounce_buffer_size_px =     mcu->panel_config.timings.h_res   // Width
+                                                    * mcu->panel_config.timings.v_res   // Height
                                                     * (display->mcu_config.rgb.esp32.bounce_buffer_size_percent / 100.0); // Percentage of the screen used as bounce buffer
 
     if(config->rgb.data_width == 16)

diff --git a/source/module/display/internal/display_internal.h b/source/module/display/internal/display_internal.h
@@ -166,6 +166,10 @@ typedef union display_mcu_rgb_config_s
                 /// Alignment for framebuffer that allocated in PSRAM 
                 size_t psram_trans_align;
 #endif
+                /// When using psram you can create a bounce buffer that is used to transmit data to the display from the sram.
+                /// If used, the esp copies the data from psram into sram before the data is sent to the display.
+                /// Set the value in percent based on the resolution of the display.
+                float bounce_buffer_size_percent;
             }esp32; // ESP32S3 and P4
         }rgb;
     };

diff --git a/source/module/display/sld/display_sld.c b/source/module/display/sld/display_sld.c
@@ -156,6 +156,9 @@ display_handle_t display_sld_init(const display_common_hardware_t* config, const
 #endif
     device->mcu_config.rgb.esp32.flags.fb_in_psram = true;
     device->mcu_config.rgb.esp32.flags.relax_on_idle = false;
+#if KERNEL_USES_SLINT
+    device->mcu_config.rgb.esp32.bounce_buffer_size_percent = 5;
+#endif
 #endif
     //[0] is 0
     ASSERT_RET(eeid[1] == 1, goto error, NULL, "Display with DPI needed\n");