nold/hekate
1
0
Fork 0
mirror of https://github.com/CTCaer/hekate synced 2024-12-22 19:31:12 +00:00
Code Issues Projects Releases Packages Wiki Activity

display: Add fifo draining before requesting info

Browse source 
In case we got loaded from bad chainloader.
Fixes issues with incorrect display ID when fifo has left overs.
This commit is contained in:
CTCaer 2020-12-28 05:23:33 +02:00
parent d0d943c9c3
commit e4bc5c41ce
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
bdk/display/di.c
View file

@ -339,9 +339,12 @@ void display_init()
#if 0 #if 0
// Get Display ID. // Get Display ID.
_display_id = 0xCCCCCC; _display_id = 0xCCCCCC; // Set initial value. 4th byte cleared.
display_dsi_read(MIPI_DCS_GET_DISPLAY_ID, 3, &_display_id, DSI_VIDEO_DISABLED); display_dsi_read(MIPI_DCS_GET_DISPLAY_ID, 3, &_display_id, DSI_VIDEO_DISABLED);
#else #else
// Drain RX FIFO.
_display_dsi_read_rx_fifo(NULL);
// Set reply size. // Set reply size.
_display_dsi_send_cmd(MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, 3, 0); _display_dsi_send_cmd(MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, 3, 0);
_display_dsi_wait(250000, _DSIREG(DSI_TRIGGER), DSI_TRIGGER_HOST | DSI_TRIGGER_VIDEO); _display_dsi_wait(250000, _DSIREG(DSI_TRIGGER), DSI_TRIGGER_HOST | DSI_TRIGGER_VIDEO);