I try to connect 4inch HDMI LCD Waveshare. 800x480 (display work with raspi)
After boot instead logo it show only random color 1-pixel lines.
How can i prove that edid was read ?
is my device tree properly set ?
which i2c is used ?
my device tree is
/* tegradc.0 */
dc@54200000 {
status = "okay";
nvidia,dc-flags = <TEGRA_DC_FLAG_ENABLED>;
nvidia,emc-clk-rate = <300000000>;
nvidia,cmu-enable = <1>;
nvidia,fb-bpp = <32>; /* bits per pixel */
nvidia,fb-flags = <TEGRA_FB_FLIP_ON_PROBE>;
nvidia,dc-or-node = "/host1x/sor1";
nvidia,dc-connector = <&sor1>;
win-mask = <0x7>; /* Assign only wins A/B/C */
};
dc@54240000 {
status = "disabled";
nvidia,dc-flags = <TEGRA_DC_FLAG_ENABLED>;
nvidia,emc-clk-rate = <300000000>;
nvidia,cmu-enable = <1>;
nvidia,fb-bpp = <32>; /* bits per pixel */
nvidia,fb-flags = <TEGRA_FB_FLIP_ON_PROBE>;
nvidia,dc-or-node = "/host1x/sor";
nvidia,dc-connector = <&sor0>;
win-mask = <0x7>; /* Assign only wins A/B/C */
};
sor {
status = "disabled"; //miro disabled sor
nvidia,xbar-ctrl = <2 1 0 3 4>;
dp-display {
status = "disabled";
};
};
sor1 {
/* Compared to Jetson-TX1's baseboard (P2597), HDMI TX
* lanes 0 and 2 have been swapped in Porg's baseboard
* (P3448) making it a straight lane mapping between
* SOR1 and the pad.
*/
nvidia,xbar-ctrl = <0 1 2 3 4>;
status = "okay";
hdmi-display {
status = "okay";
};
};
dpaux {
status = "disabled";
};
dpaux1 {
status = "okay";
};
if i try i2cdetect
sudo i2cdetect -l
i2c-3 i2c 7000c700.i2c I2C adapter
i2c-1 i2c 7000c400.i2c I2C adapter
i2c-8 i2c i2c-6-mux (chan_id 1) I2C adapter
i2c-6 i2c Tegra I2C adapter I2C adapter
i2c-4 i2c 7000d000.i2c I2C adapter
i2c-2 i2c 7000c500.i2c I2C adapter
i2c-0 i2c 7000c000.i2c I2C adapter
i2c-7 i2c i2c-6-mux (chan_id 0) I2C adapter
i2c-5 i2c 7000d100.i2c I2C adapter
kernel show
[ 42.111337] vdd-usb-hub-en: disabling
[ 42.367137] tegra-i2c 7000c700.i2c: rx dma timeout txlen:28 rxlen:128
[ 42.373603] tegra-i2c 7000c700.i2c: --- register dump for debugging ----
[ 42.380327] tegra-i2c 7000c700.i2c: I2C_CNFG - 0x2c00
[ 42.385394] tegra-i2c 7000c700.i2c: I2C_PACKET_TRANSFER_STATUS - 0x10001
[ 42.392105] tegra-i2c 7000c700.i2c: I2C_FIFO_CONTROL - 0x1c
[ 42.397686] tegra-i2c 7000c700.i2c: I2C_FIFO_STATUS - 0x800040
[ 42.403530] tegra-i2c 7000c700.i2c: I2C_INT_MASK - 0x6c
[ 42.408764] tegra-i2c 7000c700.i2c: I2C_INT_STATUS - 0x2
[ 42.414106] tegra-i2c 7000c700.i2c: i2c transfer timed out addr: 0x50
[ 52.607121] tegra-i2c 7000c700.i2c: rx dma timeout txlen:28 rxlen:128
[ 52.613609] tegra-i2c 7000c700.i2c: --- register dump for debugging ----
[ 52.620681] tegra-i2c 7000c700.i2c: I2C_CNFG - 0x2c00
[ 52.625861] tegra-i2c 7000c700.i2c: I2C_PACKET_TRANSFER_STATUS - 0x10001
[ 52.632716] tegra-i2c 7000c700.i2c: I2C_FIFO_CONTROL - 0x1c
[ 52.638366] tegra-i2c 7000c700.i2c: I2C_FIFO_STATUS - 0x800040
[ 52.644579] tegra-i2c 7000c700.i2c: I2C_INT_MASK - 0x6c
[ 52.649946] tegra-i2c 7000c700.i2c: I2C_INT_STATUS - 0x2
[ 52.655624] tegra-i2c 7000c700.i2c: i2c transfer timed out addr: 0x50
[ 62.992778] tegra-i2c 7000c700.i2c: rx dma timeout txlen:28 rxlen:128
[ 62.999655] tegra-i2c 7000c700.i2c: --- register dump for debugging ----
[ 63.011821] tegra-i2c 7000c700.i2c: I2C_CNFG - 0x2c00
[ 63.018981] tegra-i2c 7000c700.i2c: I2C_PACKET_TRANSFER_STATUS - 0x10001
[ 63.027402] tegra-i2c 7000c700.i2c: I2C_FIFO_CONTROL - 0x1c
[ 63.033866] tegra-i2c 7000c700.i2c: I2C_FIFO_STATUS - 0x800040
[ 63.040192] tegra-i2c 7000c700.i2c: I2C_INT_MASK - 0x6c
[ 63.045442] tegra-i2c 7000c700.i2c: I2C_INT_STATUS - 0x2
[ 63.050805] tegra-i2c 7000c700.i2c: i2c transfer timed out addr: 0x50
[ 73.324402] tegra-i2c 7000c700.i2c: rx dma timeout txlen:28 rxlen:128
[ 73.331224] tegra-i2c 7000c700.i2c: --- register dump for debugging ----
[ 73.341077] tegra-i2c 7000c700.i2c: I2C_CNFG - 0x2c00
[ 73.346910] tegra-i2c 7000c700.i2c: I2C_PACKET_TRANSFER_STATUS - 0x10001
[ 73.355054] tegra-i2c 7000c700.i2c: I2C_FIFO_CONTROL - 0x1c
[ 73.360758] tegra-i2c 7000c700.i2c: I2C_FIFO_STATUS - 0x800040
[ 73.366674] tegra-i2c 7000c700.i2c: I2C_INT_MASK - 0x6c
[ 73.371959] tegra-i2c 7000c700.i2c: I2C_INT_STATUS - 0x2
[ 73.377409] tegra-i2c 7000c700.i2c: i2c transfer timed out addr: 0x50
[ 83.587669] tegra-i2c 7000c700.i2c: rx dma timeout txlen:28 rxlen:128
[ 83.594509] tegra-i2c 7000c700.i2c: --- register dump for debugging ----
[ 83.601530] tegra-i2c 7000c700.i2c: I2C_CNFG - 0x2c00
[ 83.606713] tegra-i2c 7000c700.i2c: I2C_PACKET_TRANSFER_STATUS - 0x10001
[ 83.613550] tegra-i2c 7000c700.i2c: I2C_FIFO_CONTROL - 0x1c
[ 83.619196] tegra-i2c 7000c700.i2c: I2C_FIFO_STATUS - 0x800040
[ 83.625201] tegra-i2c 7000c700.i2c: I2C_INT_MASK - 0x6c
[ 83.630478] tegra-i2c 7000c700.i2c: I2C_INT_STATUS - 0x2
[ 83.636161] tegra-i2c 7000c700.i2c: i2c transfer timed out addr: 0x50
[ 93.831200] tegra-i2c 7000c700.i2c: rx dma timeout txlen:28 rxlen:128
[ 93.838037] tegra-i2c 7000c700.i2c: --- register dump for debugging ----
[ 93.845060] tegra-i2c 7000c700.i2c: I2C_CNFG - 0x2c00
[ 93.850216] tegra-i2c 7000c700.i2c: I2C_PACKET_TRANSFER_STATUS - 0x10001
[ 93.858039] tegra-i2c 7000c700.i2c: I2C_FIFO_CONTROL - 0x1c
[ 93.864215] tegra-i2c 7000c700.i2c: I2C_FIFO_STATUS - 0x800040
[ 93.870092] tegra-i2c 7000c700.i2c: I2C_INT_MASK - 0x6c
[ 93.875387] tegra-i2c 7000c700.i2c: I2C_INT_STATUS - 0x2
[ 93.880755] tegra-i2c 7000c700.i2c: i2c transfer timed out addr: 0x50
[ 104.070107] tegra-i2c 7000c700.i2c: rx dma timeout txlen:28 rxlen:128
[ 104.076932] tegra-i2c 7000c700.i2c: --- register dump for debugging ----
[ 104.084166] tegra-i2c 7000c700.i2c: I2C_CNFG - 0x2c00
[ 104.089442] tegra-i2c 7000c700.i2c: I2C_PACKET_TRANSFER_STATUS - 0x10001
[ 104.096261] tegra-i2c 7000c700.i2c: I2C_FIFO_CONTROL - 0x1c
[ 104.101883] tegra-i2c 7000c700.i2c: I2C_FIFO_STATUS - 0x800040
[ 104.107742] tegra-i2c 7000c700.i2c: I2C_INT_MASK - 0x6c
[ 104.112976] tegra-i2c 7000c700.i2c: I2C_INT_STATUS - 0x2
[ 104.118322] tegra-i2c 7000c700.i2c: i2c transfer timed out addr: 0x50
[ 114.309406] tegra-i2c 7000c700.i2c: rx dma timeout txlen:28 rxlen:128
[ 114.316228] tegra-i2c 7000c700.i2c: --- register dump for debugging ----
[ 114.323246] tegra-i2c 7000c700.i2c: I2C_CNFG - 0x2c00
[ 114.328427] tegra-i2c 7000c700.i2c: I2C_PACKET_TRANSFER_STATUS - 0x10001
[ 114.335273] tegra-i2c 7000c700.i2c: I2C_FIFO_CONTROL - 0x1c
[ 114.342156] tegra-i2c 7000c700.i2c: I2C_FIFO_STATUS - 0x800040
[ 114.348020] tegra-i2c 7000c700.i2c: I2C_INT_MASK - 0x6c
[ 114.353476] tegra-i2c 7000c700.i2c: I2C_INT_STATUS - 0x2
[ 114.358892] tegra-i2c 7000c700.i2c: i2c transfer timed out addr: 0x50
[ 114.365972] tegradc tegradc.0: hdmi: edid read failed
[ 114.371126] tegradc tegradc.0: hdmi: using fallback edid
[ 114.371214] tegradc tegradc.0: blank - powerdown
[ 114.411388] extcon-disp-state extcon:disp-state: cable 47 state 0
[ 114.411390] Extcon AUX1(HDMI) disable
[ 114.438474] tegradc tegradc.0: unblank
[ 114.474292] tegradc tegradc.0: nominal-pclk:74250000 parent:74250000 div:1.0 pclk:74250000 73507500~80932500
[ 114.474364] tegradc tegradc.0: hdmi: tmds rate:74250K prod-setting:prod_c_hdmi_54m_75m
[ 114.475371] tegradc tegradc.0: hdmi: get YCC quant from EDID.
[ 124.549061] tegra-i2c 7000c700.i2c: rx dma timeout txlen:28 rxlen:128
[ 124.549096] tegra-i2c 7000c700.i2c: --- register dump for debugging ----
[ 124.549130] tegra-i2c 7000c700.i2c: I2C_CNFG - 0x2c00
[ 124.549160] tegra-i2c 7000c700.i2c: I2C_PACKET_TRANSFER_STATUS - 0x10001
[ 124.549190] tegra-i2c 7000c700.i2c: I2C_FIFO_CONTROL - 0x1c
[ 124.549219] tegra-i2c 7000c700.i2c: I2C_FIFO_STATUS - 0x800040
[ 124.549249] tegra-i2c 7000c700.i2c: I2C_INT_MASK - 0x6c
[ 124.549277] tegra-i2c 7000c700.i2c: I2C_INT_STATUS - 0x2
[ 124.549358] tegra-i2c 7000c700.i2c: i2c transfer timed out addr: 0x50
[ 124.554073] extcon-disp-state extcon:disp-state: cable 47 state 1
[ 124.554096] Extcon AUX1(HDMI) enable
[ 124.558889] tegradc tegradc.0: sync windows ret = 249
[ 124.636998] extcon-disp-state extcon:disp-state: cable 51 state 1
[ 124.637001] Extcon HDMI: HPD enabled
[ 124.637023] tegradc tegradc.0: hdmi: plugged
[ 362.712320] tegra-i2c 7000c000.i2c: no acknowledge from address 0x50
[ 362.719639] tegra-i2c 7000c400.i2c: no acknowledge from address 0x50