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Merge branch 'feat/mipi_dsi_hdmi_v5.3' into 'release/v5.3'

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feat(lcd): Allow to disable low-power mode in DPI panel (v5.3)

See merge request espressif/esp-idf!34432
This commit is contained in:
morris
2024-10-28 10:05:39 +08:00
parent 37cc7aac0a 369a6a5dc7
commit d25f9b6071
2 changed files with 15 additions and 5 deletions
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19
components/esp_lcd/dsi/esp_lcd_panel_dpi.c
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@ -254,13 +254,22 @@ esp_err_t esp_lcd_new_panel_dpi(esp_lcd_dsi_bus_handle_t bus, const esp_lcd_dpi_
mipi_dsi_hal_host_dpi_set_color_coding(hal, panel_config->pixel_format, 0);
// these signals define how the DPI interface interacts with the controller
mipi_dsi_host_ll_dpi_set_timing_polarity(hal->host, false, false, false, false, false);
// configure the low-power transitions: defines the video periods which are permitted to goto low-power if the time available to do so
mipi_dsi_host_ll_dpi_enable_lp_horizontal_timing(hal->host, true, true);
mipi_dsi_host_ll_dpi_enable_lp_vertical_timing(hal->host, true, true, true, true);
if (panel_config->flags.disable_lp) {
// configure the low-power transitions: defines the video periods which are NOT permitted to goto low-power
mipi_dsi_host_ll_dpi_enable_lp_horizontal_timing(hal->host, false, false);
mipi_dsi_host_ll_dpi_enable_lp_vertical_timing(hal->host, false, false, false, false);
// commands are NOT transmitted in low-power mode
mipi_dsi_host_ll_dpi_enable_lp_command(hal->host, false);
} else {
// configure the low-power transitions: defines the video periods which are permitted to goto low-power if the time available to do so
mipi_dsi_host_ll_dpi_enable_lp_horizontal_timing(hal->host, true, true);
mipi_dsi_host_ll_dpi_enable_lp_vertical_timing(hal->host, true, true, true, true);
// commands are transmitted in low-power mode
mipi_dsi_host_ll_dpi_enable_lp_command(hal->host, true);
}
// after sending a frame, the DSI device should return an ack
mipi_dsi_host_ll_dpi_enable_frame_ack(hal->host, true);
// commands are transmitted in low-power mode
mipi_dsi_host_ll_dpi_enable_lp_command(hal->host, true);
// using the burst mode because it's energy-efficient
mipi_dsi_host_ll_dpi_set_video_burst_type(hal->host, MIPI_DSI_LL_VIDEO_BURST_WITH_SYNC_PULSES);
// configure the size of the active lin period, measured in pixels

1
components/esp_lcd/dsi/include/esp_lcd_mipi_dsi.h
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@ -90,6 +90,7 @@ typedef struct {
/// Extra configuration flags for MIPI DSI DPI panel
struct extra_dpi_panel_flags {
uint32_t use_dma2d: 1; /*!< Use DMA2D to copy user buffer to the frame buffer when necessary */
uint32_t disable_lp: 1;/*!< Disable low-power for DPI */
} flags; /*!< Extra configuration flags */
} esp_lcd_dpi_panel_config_t;