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Code Issues Releases Activity

display: Make dsi write buffer bigger

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This commit is contained in:
CTCaer 2020-12-28 05:21:21 +02:00
parent 60b629e57f
commit d0d943c9c3
1 changed files with 11 additions and 7 deletions
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18
bdk/display/di.c
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@ -20,6 +20,7 @@
#include "di.h"
#include <power/max77620.h>
#include <power/max7762x.h>
#include <mem/heap.h>
#include <soc/clock.h>
#include <soc/gpio.h>
#include <soc/hw_init.h>
@ -170,9 +171,9 @@ int display_dsi_read(u8 cmd, u32 len, void *data, bool video_enabled)
void display_dsi_write(u8 cmd, u32 len, void *data, bool video_enabled)
{
u8 *fifo8;
u32 *fifo32;
u32 host_control;
u32 fifo32[DSI_STATUS_RX_FIFO_SIZE] = {0};
u8 *fifo8 = (u8 *)fifo32;
// Enable host cmd packets during video and save host control.
if (video_enabled)
@ -193,6 +194,8 @@ void display_dsi_write(u8 cmd, u32 len, void *data, bool video_enabled)
break;
default:
fifo32 = calloc(DSI_STATUS_RX_FIFO_SIZE * 8, 4);
fifo8 = (u8 *)fifo32;
fifo32[0] = (len << 8) | MIPI_DSI_DCS_LONG_WRITE;
fifo8[4] = cmd;
memcpy(&fifo8[5], data, len);
@ -200,6 +203,7 @@ void display_dsi_write(u8 cmd, u32 len, void *data, bool video_enabled)
for (u32 i = 0; i < (ALIGN(len, 4) / 4); i++)
DSI(_DSIREG(DSI_WR_DATA)) = fifo32[i];
DSI(_DSIREG(DSI_TRIGGER)) = DSI_TRIGGER_HOST;
free(fifo32);
break;
}
@ -215,7 +219,7 @@ void display_dsi_write(u8 cmd, u32 len, void *data, bool video_enabled)
void display_init()
{
// Check if display is already initialized.
if (CLOCK(CLK_RST_CONTROLLER_CLK_ENB_L_SET) & BIT(CLK_L_DISP1))
if (CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_L) & BIT(CLK_L_DISP1))
_display_panel_and_hw_end(true);
// Get Chip ID.
@ -293,7 +297,7 @@ void display_init()
// Set DISP1 clock source and parent clock.
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_DISP1) = 0x40000000; // PLLD_OUT.
u32 plld_div = (3 << 20) | (20 << 11) | 1; // DIVM: 1, DIVN: 20, DIVP: 3. PLLD_OUT: 768 MHz, PLLD_OUT0 (DSI): 96 MHz.
u32 plld_div = (3 << 20) | (20 << 11) | 1; // DIVM: 1, DIVN: 20, DIVP: 3. PLLD_OUT: 768 MHz, PLLD_OUT0 (DSI): 97.5 MHz (offset).
CLOCK(CLK_RST_CONTROLLER_PLLD_BASE) = PLLCX_BASE_ENABLE | PLLCX_BASE_LOCK | plld_div;
if (tegra_t210)
@ -407,11 +411,11 @@ void display_init()
_display_dsi_send_cmd(MIPI_DSI_DCS_SHORT_WRITE, MIPI_DCS_SET_DISPLAY_ON, 20000);
// Configure PLLD for DISP1.
plld_div = (1 << 20) | (24 << 11) | 1; // DIVM: 1, DIVN: 24, DIVP: 1. PLLD_OUT: 768 MHz, PLLD_OUT0 (DSI): 230.4 MHz.
plld_div = (1 << 20) | (24 << 11) | 1; // DIVM: 1, DIVN: 24, DIVP: 1. PLLD_OUT: 768 MHz, PLLD_OUT0 (DSI): 234 MHz (offset).
CLOCK(CLK_RST_CONTROLLER_PLLD_BASE) = PLLCX_BASE_ENABLE | PLLCX_BASE_LOCK | plld_div;
if (tegra_t210)
CLOCK(CLK_RST_CONTROLLER_PLLD_MISC1) = 0x20; // PLLD_SETUP
CLOCK(CLK_RST_CONTROLLER_PLLD_MISC1) = 0x20; // PLLD_SETUP.
else
CLOCK(CLK_RST_CONTROLLER_PLLD_MISC1) = 0;
CLOCK(CLK_RST_CONTROLLER_PLLD_MISC) = 0x2DFC00; // Use new PLLD_SDM_DIN.
@ -420,7 +424,7 @@ void display_init()
DSI(_DSIREG(DSI_PAD_CONTROL_1)) = 0;
DSI(_DSIREG(DSI_PHY_TIMING_0)) = tegra_t210 ? 0x6070601 : 0x6070603;
exec_cfg((u32 *)DSI_BASE, _display_dsi_packet_config, 19);
// Set pixel clock dividers: 230.4 / 3 / 1 = 76.8 MHz. 60 Hz.
// Set pixel clock dividers: 234 / 3 / 1 = 78 MHz (offset) for 60 Hz.
DISPLAY_A(_DIREG(DC_DISP_DISP_CLOCK_CONTROL)) = PIXEL_CLK_DIVIDER_PCD1 | SHIFT_CLK_DIVIDER(4); // 4: div3.
exec_cfg((u32 *)DSI_BASE, _display_dsi_mode_config, 10);
usleep(10000);