2024-09-09 08:52:07 +00:00
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Qualcomm mdss-dsi-panel
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mdss-dsi-panel is a dsi panel device which supports panels that
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are compatable with MIPI display serial interface specification.
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Required properties:
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- compatible: This property applies to DSI V2 panels only.
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This property should not be added for panels
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that work based on version "V6.0"
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DSI panels that are of different versions
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are initialized by the drivers for dsi controller.
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This property specifies the version
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for DSI HW that this panel will work with
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"qcom,dsi-panel-v2" = DSI V2.0
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- status: This property applies to DSI V2 panels only.
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This property should not be added for panels
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that work based on version "V6.0"
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DSI panels that are of different versions
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are initialized by the drivers for dsi controller.
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A string that has to be set to "okay/ok"
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to enable the panel driver. By default this property
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will be set to "disable". Will be set to "ok/okay"
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status for specific platforms.
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- qcom,mdss-dsi-panel-controller: Specifies the phandle for the DSI controller that
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this panel will be mapped to.
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- qcom,mdss-dsi-panel-width: Specifies panel width in pixels.
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- qcom,mdss-dsi-panel-height: Specifies panel height in pixels.
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- qcom,mdss-dsi-bpp: Specifies the panel bits per pixel.
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3 = for rgb111
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8 = for rgb332
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12 = for rgb444
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16 = for rgb565
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18 = for rgb666
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24 = for rgb888
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- qcom,mdss-dsi-panel-destination: A string that specifies the destination display for the panel.
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"display_1" = DISPLAY_1
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"display_2" = DISPLAY_2
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- qcom,mdss-dsi-panel-timings: An array of length 12 that specifies the PHY
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timing settings for the panel.
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- qcom,mdss-dsi-panel-timings-8996: An array of length 40 char that specifies the 8996 PHY lane
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timing settings for the panel.
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- qcom,mdss-dsi-on-command: A byte stream formed by multiple dcs packets base on
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qcom dsi controller protocol.
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byte 0: dcs data type
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byte 1: set to indicate this is an individual packet
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(no chain)
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byte 2: virtual channel number
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byte 3: expect ack from client (dcs read command)
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byte 4: wait number of specified ms after dcs command
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transmitted
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byte 5, 6: 16 bits length in network byte order
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byte 7 and beyond: number byte of payload
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- qcom,mdss-dsi-off-command: A byte stream formed by multiple dcs packets base on
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qcom dsi controller protocol.
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byte 0: dcs data type
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byte 1: set to indicate this is an individual packet
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(no chain)
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byte 2: virtual channel number
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byte 3: expect ack from client (dcs read command)
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byte 4: wait number of specified ms after dcs command
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transmitted
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byte 5, 6: 16 bits length in network byte order
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byte 7 and beyond: number byte of payload
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- qcom,mdss-dsi-post-panel-on-command: same as "qcom,mdss-dsi-on-command" except commands are
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sent after displaying an image.
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Note, if a short DCS packet(i.e packet with Byte 0:dcs data type as 05) mentioned in
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qcom,mdss-dsi-on-command/qcom,mdss-dsi-off-command stream fails to transmit,
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then 3 options can be tried.
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1. Send the packet as a long packet instead
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Byte 0: dcs data type = 05 (DCS short Packet)
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Byte 0: dcs data type = 29 (DCS long Packet)
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2. Send the packet in one burst by prepending with the next packet in packet stream
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Byte 1 = 01 (indicates this is an individual packet)
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Byte 1 = 00 (indicates this will be appended to the next
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individual packet in the packet stream)
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3. Prepend a NULL packet to the short packet and send both in one burst instead of
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combining multiple short packets and sending them in one burst.
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Optional properties:
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- qcom,mdss-dsi-panel-name: A string used as a descriptive name of the panel
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- qcom,cmd-sync-wait-broadcast: Boolean used to broadcast dcs command to panels.
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- qcom,mdss-dsi-fbc-enable: Boolean used to enable frame buffer compression mode.
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- qcom,mdss-dsi-fbc-slice-height: Slice height(in lines) of compressed block.
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Expressed as power of 2. To set as 128 lines,
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this should be set to 7.
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- qcom,mdss-dsi-fbc-2d-pred-mode: Boolean to enable 2D map prediction.
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- qcom,mdss-dsi-fbc-ver2-mode: Boolean to enable FBC 2.0 that supports 1/3
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compression.
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- qcom,mdss-dsi-fbc-bpp: Compressed bpp supported by the panel.
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Specified color order is used as default value.
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- qcom,mdss-dsi-fbc-packing: Component packing.
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0 = default value.
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- qcom,mdss-dsi-fbc-quant-error: Boolean used to enable quantization error calculation.
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- qcom,mdss-dsi-fbc-bias: Bias for CD.
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0 = default value.
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- qcom,mdss-dsi-fbc-pat-mode: Boolean used to enable PAT mode.
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- qcom,mdss-dsi-fbc-vlc-mode: Boolean used to enable VLC mode.
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- qcom,mdss-dsi-fbc-bflc-mode: Boolean used to enable BFLC mode.
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- qcom,mdss-dsi-fbc-h-line-budget: Per line extra budget.
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0 = default value.
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- qcom,mdss-dsi-fbc-budget-ctrl: Extra budget level.
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0 = default value.
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- qcom,mdss-dsi-fbc-block-budget: Per block budget.
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0 = default value.
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- qcom,mdss-dsi-fbc-lossless-threshold: Lossless mode threshold.
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0 = default value.
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- qcom,mdss-dsi-fbc-lossy-threshold: Lossy mode threshold.
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0 = default value.
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- qcom,mdss-dsi-fbc-rgb-threshold: Lossy RGB threshold.
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0 = default value.
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- qcom,mdss-dsi-fbc-lossy-mode-idx: Lossy mode index value.
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0 = default value.
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- qcom,mdss-dsi-fbc-max-pred-err: Max quantization prediction error.
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0 = default value
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- qcom,mdss-dsi-h-back-porch: Horizontal back porch value in pixel.
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6 = default value.
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- qcom,mdss-dsi-h-front-porch: Horizontal front porch value in pixel.
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6 = default value.
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- qcom,mdss-dsi-h-pulse-width: Horizontal pulse width.
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2 = default value.
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- qcom,mdss-dsi-h-sync-skew: Horizontal sync skew value.
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0 = default value.
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- qcom,mdss-dsi-v-back-porch: Vertical back porch value in pixel.
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6 = default value.
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- qcom,mdss-dsi-v-front-porch: Vertical front porch value in pixel.
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6 = default value.
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- qcom,mdss-dsi-v-pulse-width: Vertical pulse width.
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2 = default value.
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- qcom,mdss-dsi-h-left-border: Horizontal left border in pixel.
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0 = default value
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- qcom,mdss-dsi-h-right-border: Horizontal right border in pixel.
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0 = default value
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- qcom,mdss-dsi-v-top-border: Vertical top border in pixel.
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0 = default value
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- qcom,mdss-dsi-v-bottom-border: Vertical bottom border in pixel.
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0 = default value
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- qcom,mdss-dsi-underflow-color: Specifies the controller settings for the
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panel under flow color.
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0xff = default value.
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- qcom,mdss-dsi-border-color: Defines the border color value if border is present.
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0 = default value.
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- qcom,mdss-dsi-pan-enable-dynamic-fps: Boolean used to enable change in frame rate dynamically.
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- qcom,mdss-dsi-pan-fps-update: A string that specifies when to change the frame rate.
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"dfps_suspend_resume_mode"= FPS change request is
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implemented during suspend/resume.
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"dfps_immediate_clk_mode" = FPS change request is
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implemented immediately using DSI clocks.
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"dfps_immediate_porch_mode_hfp" = FPS change request is
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implemented immediately by changing panel horizontal
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front porch values.
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"dfps_immediate_porch_mode_vfp" = FPS change request is
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implemented immediately by changing panel vertical
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front porch values.
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- qcom,min-refresh-rate: Minimum refresh rate supported by the panel.
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- qcom,max-refresh-rate: Maximum refresh rate supported by the panel. If max refresh
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rate is not specified, then the frame rate of the panel in
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qcom,mdss-dsi-panel-framerate is used.
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- qcom,mdss-dsi-bl-pmic-control-type: A string that specifies the implementation of backlight
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control for this panel.
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"bl_ctrl_pwm" = Backlight controlled by PWM gpio.
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"bl_ctrl_wled" = Backlight controlled by WLED.
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"bl_ctrl_dcs" = Backlight controlled by DCS commands.
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other: Unknown backlight control. (default)
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- qcom,mdss-dsi-bl-pwm-pmi: Boolean to indicate that PWM control is through second pmic chip.
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- qcom,mdss-dsi-bl-pmic-bank-select: LPG channel for backlight.
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Requred if blpmiccontroltype is PWM
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- qcom,mdss-dsi-bl-pmic-pwm-frequency: PWM period in microseconds.
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Requred if blpmiccontroltype is PWM
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- qcom,mdss-dsi-pwm-gpio: PMIC gpio binding to backlight.
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Requred if blpmiccontroltype is PWM
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- qcom,mdss-dsi-bl-min-level: Specifies the min backlight level supported by the panel.
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0 = default value.
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- qcom,mdss-dsi-bl-max-level: Specifies the max backlight level supported by the panel.
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255 = default value.
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- qcom,mdss-brightness-max-level: Specifies the max brightness level supported.
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255 = default value.
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- qcom,mdss-dsi-interleave-mode: Specifies interleave mode.
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0 = default value.
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- qcom,mdss-dsi-panel-type: Specifies the panel operating mode.
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"dsi_video_mode" = enable video mode (default).
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"dsi_cmd_mode" = enable command mode.
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- qcom,5v-boost-gpio: Specifies the panel gpio for display 5v boost.
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- qcom,mdss-dsi-te-check-enable: Boolean to enable Tear Check configuration.
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- qcom,mdss-dsi-te-using-te-pin: Boolean to specify whether using hardware vsync.
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- qcom,mdss-dsi-te-pin-select: Specifies TE operating mode.
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0 = TE through embedded dcs command
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1 = TE through TE gpio pin. (default)
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- qcom,mdss-dsi-te-dcs-command: Inserts the dcs command.
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1 = default value.
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- qcom,mdss-dsi-wr-mem-start: DCS command for write_memory_start.
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0x2c = default value.
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- qcom,mdss-dsi-wr-mem-continue: DCS command for write_memory_continue.
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0x3c = default value.
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- qcom,mdss-dsi-h-sync-pulse: Specifies the pulse mode option for the panel.
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0 = Don't send hsa/he following vs/ve packet(default)
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1 = Send hsa/he following vs/ve packet
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- qcom,mdss-dsi-hfp-power-mode: Boolean to determine DSI lane state during
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horizontal front porch (HFP) blanking period.
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- qcom,mdss-dsi-hbp-power-mode: Boolean to determine DSI lane state during
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horizontal back porch (HBP) blanking period.
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- qcom,mdss-dsi-hsa-power-mode: Boolean to determine DSI lane state during
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horizontal sync active (HSA) mode.
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- qcom,mdss-dsi-last-line-interleave Boolean to determine if last line
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interleave flag needs to be enabled.
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- qcom,mdss-dsi-bllp-eof-power-mode: Boolean to determine DSI lane state during
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blanking low power period (BLLP) EOF mode.
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- qcom,mdss-dsi-bllp-power-mode: Boolean to determine DSI lane state during
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blanking low power period (BLLP) mode.
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- qcom,mdss-dsi-traffic-mode: Specifies the panel traffic mode.
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"non_burst_sync_pulse" = non burst with sync pulses (default).
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"non_burst_sync_event" = non burst with sync start event.
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"burst_mode" = burst mode.
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- qcom,mdss-dsi-pixel-packing: Specifies if pixel packing is used (in case of RGB666).
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"tight" = Tight packing (default value).
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"loose" = Loose packing.
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- qcom,mdss-dsi-virtual-channel-id: Specifies the virtual channel identefier.
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0 = default value.
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- qcom,mdss-dsi-color-order: Specifies the R, G and B channel ordering.
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"rgb_swap_rgb" = DSI_RGB_SWAP_RGB (default value)
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"rgb_swap_rbg" = DSI_RGB_SWAP_RBG
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"rgb_swap_brg" = DSI_RGB_SWAP_BRG
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"rgb_swap_grb" = DSI_RGB_SWAP_GRB
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"rgb_swap_gbr" = DSI_RGB_SWAP_GBR
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- qcom,mdss-dsi-lane-0-state: Boolean that specifies whether data lane 0 is enabled.
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- qcom,mdss-dsi-lane-1-state: Boolean that specifies whether data lane 1 is enabled.
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- qcom,mdss-dsi-lane-2-state: Boolean that specifies whether data lane 2 is enabled.
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- qcom,mdss-dsi-lane-3-state: Boolean that specifies whether data lane 3 is enabled.
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- qcom,mdss-dsi-t-clk-post: Specifies the byte clock cycles after mode switch.
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0x03 = default value.
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- qcom,mdss-dsi-t-clk-pre: Specifies the byte clock cycles before mode switch.
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0x24 = default value.
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- qcom,mdss-dsi-stream: Specifies the packet stream to be used.
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0 = stream 0 (default)
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1 = stream 1
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- qcom,mdss-dsi-mdp-trigger: Specifies the trigger mechanism to be used for MDP path.
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"none" = no trigger
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"trigger_te" = Tear check signal line used for trigger
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"trigger_sw" = Triggered by software (default)
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"trigger_sw_te" = Software trigger and TE
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- qcom,mdss-dsi-dma-trigger: Specifies the trigger mechanism to be used for DMA path.
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"none" = no trigger
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"trigger_te" = Tear check signal line used for trigger
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"trigger_sw" = Triggered by software (default)
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"trigger_sw_seof" = Software trigger and start/end of frame trigger.
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"trigger_sw_te" = Software trigger and TE
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- qcom,mdss-dsi-panel-framerate: Specifies the frame rate for the panel.
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2024-09-09 08:52:07 +00:00
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60 = 60 frames per second (default)
|
2024-09-09 08:57:42 +00:00
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- qcom,mdss-dsi-panel-clockrate: A 64 bit value specifies the panel clock speed in Hz.
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0 = default value.
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- qcom,mdss-mdp-transfer-time-us: Specifies the dsi transfer time for command mode
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panels in microseconds. Driver uses this number to adjust
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the clock rate according to the expected transfer time.
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Increasing this value would slow down the mdp processing
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and can result in slower performance.
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Decreasing this value can speed up the mdp processing,
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but this can also impact power consumption.
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As a rule this time should not be higher than the time
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that would be expected with the processing at the
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dsi link rate since anyways this would be the maximum
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transfer time that could be achieved.
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If ping pong split enabled, this time should not be higher
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than two times the dsi link rate time.
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14000 = default value.
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- qcom,mdss-dsi-on-command-state: String that specifies the ctrl state for sending ON commands.
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"dsi_lp_mode" = DSI low power mode (default)
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"dsi_hs_mode" = DSI high speed mode
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- qcom,mdss-dsi-off-command-state: String that specifies the ctrl state for sending OFF commands.
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"dsi_lp_mode" = DSI low power mode (default)
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"dsi_hs_mode" = DSI high speed mode
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- qcom,mdss-dsi-post-mode-switch-on-command-state: String that specifies the ctrl state for sending ON commands post mode switch.
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"dsi_lp_mode" = DSI low power mode (default)
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"dsi_hs_mode" = DSI high speed mode
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- qcom,mdss-pan-physical-width-dimension: Specifies panel physical width in mm which corresponds
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to the physical width in the framebuffer information.
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- qcom,mdss-pan-physical-height-dimension: Specifies panel physical height in mm which corresponds
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to the physical height in the framebuffer information.
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- qcom,mdss-dsi-panel-mode-gpio-state: String that specifies the mode state for panel if it is defined
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in dsi controller.
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"high" = Set GPIO to HIGH
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"low" = Set GPIO to LOW
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- qcom,mdss-tear-check-disable: Boolean to disable mdp tear check. Tear check is enabled by default to avoid
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tearing. Other tear-check properties are ignored if this property is present.
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The below tear check configuration properties can be individually tuned if
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tear check is enabled.
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- qcom,mdss-tear-check-sync-cfg-height: Specifies the vertical total number of lines.
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The default value is 0xfff0.
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- qcom,mdss-tear-check-sync-init-val: Specifies the init value at which the read pointer gets loaded
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at vsync edge. The reader pointer refers to the line number of
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panel buffer that is currently being updated.
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The default value is panel height.
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- qcom,mdss-tear-check-sync-threshold-start:
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Allows the first ROI line write to an panel when read pointer is
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between the range of ROI start line and ROI start line plus this
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setting.
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The default value is 4.
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- qcom,mdss-tear-check-sync-threshold-continue:
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The minimum number of lines the write pointer needs to be
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above the read pointer so that it is safe to write to the panel.
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(This check is not done for the first ROI line write of an update)
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The default value is 4.
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- qcom,mdss-tear-check-start-pos: Specify the y position from which the start_threshold value is
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added and write is kicked off if the read pointer falls within that
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region.
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The default value is panel height.
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- qcom,mdss-tear-check-rd-ptr-trigger-intr:
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Specify the read pointer value at which an interrupt has to be
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generated.
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The default value is panel height + 1.
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- qcom,mdss-tear-check-frame-rate: Specify the value to be a real frame rate(fps) x 100 factor to tune the
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timing of TE simulation with more precision.
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The default value is 6000 with 60 fps.
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- qcom,mdss-dsi-reset-sequence: An array that lists the
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sequence of reset gpio values and sleeps
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Each command will have the format defined
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as below:
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--> Reset GPIO value
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--> Sleep value (in ms)
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- qcom,partial-update-enabled: Boolean used to enable partial
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panel update for command mode panels.
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- qcom,mdss-dsi-horizontal-line-idle: List of width ranges (EC - SC) in pixels indicating
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additional idle time in dsi clock cycles that is needed
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to compensate for smaller line width.
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- qcom,partial-update-roi-merge: Boolean indicates roi combination is need
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and function has been provided for dcs
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2A/2B command.
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- qcom,dcs-cmd-by-left: Boolean to indicate that dcs command are sent
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through the left DSI controller only in a dual-dsi configuration
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- qcom,mdss-dsi-lp11-init: Boolean used to enable the DSI clocks and data lanes (low power 11)
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before issuing hardware reset line.
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- qcom,mdss-dsi-init-delay-us: Delay in microseconds(us) before performing any DSI activity in lp11
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mode. This master delay (t_init_delay as per DSI spec) should be sum
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of DSI internal delay to reach fuctional after power up and minimum
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delay required by panel to reach functional.
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- qcom,mdss-dsi-rx-eot-ignore: Boolean used to enable ignoring end of transmission packets.
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- qcom,mdss-dsi-tx-eot-append: Boolean used to enable appending end of transmission packets.
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- qcom,ulps-enabled: Boolean to enable support for Ultra Low Power State (ULPS) mode.
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- qcom,suspend-ulps-enabled: Boolean to enable support for ULPS mode for panels during suspend state.
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- qcom,panel-roi-alignment: Specifies the panel ROI alignment restrictions on its
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left, top, width, height alignments and minimum width and
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height values
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- qcom,esd-check-enabled: Boolean used to enable ESD recovery feature.
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- qcom,mdss-dsi-panel-status-command: A byte stream formed by multiple dcs packets based on
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qcom dsi controller protocol, to read the panel status.
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This value is used to kick in the ESD recovery.
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byte 0: dcs data type
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byte 1: set to indicate this is an individual packet
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(no chain)
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byte 2: virtual channel number
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byte 3: expect ack from client (dcs read command)
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byte 4: wait number of specified ms after dcs command
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transmitted
|
2024-09-09 08:52:07 +00:00
|
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byte 5, 6: 16 bits length in network byte order
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byte 7 and beyond: number byte of payload
|
2024-09-09 08:57:42 +00:00
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- qcom,mdss-dsi-panel-status-command-mode:
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String that specifies the ctrl state for reading the panel status.
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"dsi_lp_mode" = DSI low power mode
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"dsi_hs_mode" = DSI high speed mode
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- qcom,mdss-dsi-panel-status-check-mode:Specifies the panel status check method for ESD recovery.
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"bta_check" = Uses BTA to check the panel status
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"reg_read" = Reads panel status register to check the panel status
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"reg_read_nt35596" = Reads panel status register to check the panel
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status for NT35596 panel.
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"te_signal_check" = Uses TE signal behaviour to check the panel status
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- qcom,mdss-dsi-panel-status-read-length: Integer value that specifies the expected read-back length of the
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panel register.
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- qcom,mdss-dsi-panel-status-value: An integer array that specifies the values of the panel status register
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which is used to check the panel status. The size of this array
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is specified by qcom,mdss-dsi-panel-status-read-length.
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- qcom,mdss-dsi-panel-max-error-count: Integer value that specifies the maximum number of errors from register
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read that can be ignored before treating that the panel has gone bad.
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- qcom,dynamic-mode-switch-enabled: Boolean used to mention whether panel supports
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dynamic switching from video mode to command mode
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and vice versa.
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- qcom,dynamic-mode-switch-type: A string specifies how to perform dynamic mode switch.
|
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If qcom,dynamic-mode-switch-enabled is set and no string specified, default value is
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dynamic-switch-suspend-resume.
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"dynamic-switch-suspend-resume"= Switch using suspend/resume. Panel will
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go blank during transition.
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"dynamic-switch-immediate"= Switch on next frame update. Panel will
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not go blank for this transition.
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"dynamic-resolution-switch-immediate"= Switch the panel resolution. Panel will
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not go blank for this transition.
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- qcom,mdss-dsi-post-mode-switch-on-command: Multiple dcs packets used for turning on DSI panel
|
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after panel has switch modes.
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Refer to "qcom,mdss-dsi-on-command" section for adding commands.
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- qcom,video-to-cmd-mode-switch-commands: List of commands that need to be sent
|
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to panel in order to switch from video mode to command mode dynamically.
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Refer to "qcom,mdss-dsi-on-command" section for adding commands.
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- qcom,cmd-to-video-mode-switch-commands: List of commands that need to be sent
|
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to panel in order to switch from command mode to video mode dynamically.
|
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Refer to "qcom,mdss-dsi-on-command" section for adding commands.
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- qcom,mdss-dsi-panel-orientation: String used to indicate orientation of panel
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"180" = panel is flipped in both horizontal and vertical directions
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"hflip" = panel is flipped in horizontal direction
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"vflip" = panel is flipped in vertical direction
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- qcom,panel-ack-disabled: A boolean property to indicate, whether we need to wait for any ACK from the panel
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for any commands that we send.
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- qcom,mdss-dsi-force-clock-lane-hs: Boolean to force dsi clock lanes to HS mode always.
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- qcom,compression-mode: Select compression mode for panel.
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"fbc" - frame buffer compression
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"dsc" - display stream compression.
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If "dsc" compression is used then config subnodes needs to be defined.
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- qcom,panel-supply-entries: A node that lists the elements of the supply used to
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power the DSI panel. There can be more than one instance
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of this binding, in which case the entry would be appended
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with the supply entry index. For a detailed description of
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fields in the supply entry, refer to the qcom,ctrl-supply-entries
|
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binding above.
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- qcom,config-select: Optional property to select default configuration.
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[[Optional config sub-nodes]] These subnodes provide different configurations for a given same panel.
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Default configuration can be chosen by specifying phandle of the
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selected subnode in the qcom,config-select.
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Required properties for sub-nodes: None
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Optional properites:
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- qcom,lm-split: An array of two values indicating MDP should use two layer
|
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mixers to reduce power.
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|
Ex: Normally 1080x1920 display uses single DSI and thus one layer
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mixer. But if we use two layer mixers then mux the output of
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those two mixers into single stream and route it to single DSI
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then we can lower the clock requirements of MDP. To use this
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|
|
configuration we need two fill this array with <540 540>.
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Both values doesn't have to be same, but recommended, however sum of
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both values has to be equal to the panel-width.
|
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By default two mixer streams are merged using 2D mux, however if
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2 DSC encoders are used then merge is performed within compression
|
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engine.
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- qcom,split-mode: String property indicating which split mode MDP should use. Valid
|
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|
|
entries are "pingpong-split" and "dualctl-split".
|
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|
This property is mutually exclusive with qcom,lm-split.
|
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- qcom,mdss-dsc-encoders: An integer value indicating how many DSC encoders should be used
|
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|
to drive data stream to DSI.
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|
Default value is 1 and max value is 2.
|
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2 encoder should be used only if qcom,mdss-lm-split or
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qcom,split-mode with pingpong-split is used.
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- qcom,mdss-dsc-slice-height: An integer value indicates the dsc slice height.
|
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- qcom,mdss-dsc-slice-width: An integer value indicates the dsc slice width.
|
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Multiple of slice width should be equal to panel-width.
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Maximum 2 slices per DSC encoder can be used so if 2 DSC encoders
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are used then minimum slice width is equal to panel-width/4.
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- qcom,mdss-dsc-slice-per-pkt: An integer value indicates the slice per dsi packet.
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- qcom,mdss-dsc-bit-per-component: An integer value indicates the bits per component before compression.
|
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- qcom,mdss-dsc-bit-per-pixel: An integer value indicates the bits per pixel after compression.
|
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- qcom,mdss-dsc-block-prediction-enable: A boolean value to enable/disable the block prediction at decoder.
|
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|
- qcom,mdss-dsc-config-by-manufacture-cmd: A boolean to indicates panel use manufacture command to setup pps
|
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instead of standard dcs type 0x0A.
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- qcom,dba-panel: Indicates whether the current panel is used as a display bridge
|
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|
to a non-DSI interface.
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|
- qcom,adjust-timer-wakeup-ms: An integer value to indicate the timer delay(in ms) to accommodate
|
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|
s/w delay while configuring the event timer wakeup logic.
|
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- qcom,mdss-dsi-display-timings: Parent node that lists the different resolutions that the panel supports.
|
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|
Each child represents timings settings for a specific resolution.
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Additional properties added to the second level nodes that represent timings properties:
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|
- qcom,mdss-dsi-timing-default: Property that specifies the current child as the default
|
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timing configuration that will be used.
|
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|
- qcom,mdss-dsi-timing-switch-command: List of commands that need to be sent
|
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|
|
|
to panel when the resolution/timing switch happens dynamically.
|
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|
|
|
Refer to "qcom,mdss-dsi-on-command" section for adding commands.
|
|
|
|
|
- qcom,mdss-dsi-timing-switch-command-state: String that specifies the ctrl state for sending resolution switch
|
|
|
|
|
commands.
|
|
|
|
|
"dsi_lp_mode" = DSI low power mode (default)
|
|
|
|
|
"dsi_hs_mode" = DSI high speed mode
|
2024-09-09 08:52:07 +00:00
|
|
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|
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|
|
Note, if a given optional qcom,* binding is not present, then the driver will configure
|
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|
|
the default values specified.
|
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|
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|
|
|
|
|
Example:
|
2024-09-09 08:57:42 +00:00
|
|
|
&mdss_mdp {
|
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|
|
dsi_sim_vid: qcom,mdss_dsi_sim_video {
|
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|
|
|
qcom,mdss-dsi-panel-name = "simulator video mode dsi panel";
|
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|
|
|
qcom,mdss-dsi-panel-controller = <&mdss_dsi0>;
|
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|
|
|
qcom,mdss-dsi-panel-height = <1280>;
|
|
|
|
|
qcom,mdss-dsi-panel-width = <720>;
|
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|
|
qcom,mdss-dsi-bpp = <24>;
|
|
|
|
|
qcom,mdss-dsi-pixel-packing = <0>;
|
|
|
|
|
qcom,mdss-dsi-panel-destination = "display_1";
|
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|
|
|
qcom,cmd-sync-wait-broadcast;
|
|
|
|
|
qcom,mdss-dsi-fbc-enable;
|
|
|
|
|
qcom,mdss-dsi-fbc-slice-height = <5>;
|
|
|
|
|
qcom,mdss-dsi-fbc-2d-pred-mode;
|
|
|
|
|
qcom,mdss-dsi-fbc-ver2-mode;
|
|
|
|
|
qcom,mdss-dsi-fbc-bpp = <0>;
|
|
|
|
|
qcom,mdss-dsi-fbc-packing = <0>;
|
|
|
|
|
qcom,mdss-dsi-fbc-quant-error;
|
|
|
|
|
qcom,mdss-dsi-fbc-bias = <0>;
|
|
|
|
|
qcom,mdss-dsi-fbc-pat-mode;
|
|
|
|
|
qcom,mdss-dsi-fbc-vlc-mode;
|
|
|
|
|
qcom,mdss-dsi-fbc-bflc-mode;
|
|
|
|
|
qcom,mdss-dsi-fbc-h-line-budget = <0>;
|
|
|
|
|
qcom,mdss-dsi-fbc-budget-ctrl = <0>;
|
|
|
|
|
qcom,mdss-dsi-fbc-block-budget = <0>;
|
|
|
|
|
qcom,mdss-dsi-fbc-lossless-threshold = <0>;
|
|
|
|
|
qcom,mdss-dsi-fbc-lossy-threshold = <0>;
|
|
|
|
|
qcom,mdss-dsi-fbc-rgb-threshold = <0>;
|
|
|
|
|
qcom,mdss-dsi-fbc-lossy-mode-idx = <0>;
|
|
|
|
|
qcom,mdss-dsi-fbc-max-pred-err = <2>;
|
|
|
|
|
qcom,mdss-dsi-h-front-porch = <140>;
|
|
|
|
|
qcom,mdss-dsi-h-back-porch = <164>;
|
|
|
|
|
qcom,mdss-dsi-h-pulse-width = <8>;
|
|
|
|
|
qcom,mdss-dsi-h-sync-skew = <0>;
|
|
|
|
|
qcom,mdss-dsi-v-back-porch = <6>;
|
|
|
|
|
qcom,mdss-dsi-v-front-porch = <1>;
|
|
|
|
|
qcom,mdss-dsi-v-pulse-width = <1>;
|
|
|
|
|
qcom,mdss-dsi-h-left-border = <0>;
|
|
|
|
|
qcom,mdss-dsi-h-right-border = <0>;
|
|
|
|
|
qcom,mdss-dsi-v-top-border = <0>;
|
|
|
|
|
qcom,mdss-dsi-v-bottom-border = <0>;
|
|
|
|
|
qcom,mdss-dsi-border-color = <0>;
|
|
|
|
|
qcom,mdss-dsi-underflow-color = <0xff>;
|
|
|
|
|
qcom,mdss-dsi-bl-min-level = <1>;
|
|
|
|
|
qcom,mdss-dsi-bl-max-level = < 15>;
|
|
|
|
|
qcom,mdss-dsi-interleave-mode = <0>;
|
|
|
|
|
qcom,mdss-dsi-panel-type = "dsi_video_mode";
|
|
|
|
|
qcom,mdss-dsi-te-check-enable;
|
|
|
|
|
qcom,mdss-dsi-te-using-te-pin;
|
|
|
|
|
qcom,mdss-dsi-te-dcs-command = <1>;
|
|
|
|
|
qcom,mdss-dsi-wr-mem-continue = <0x3c>;
|
|
|
|
|
qcom,mdss-dsi-wr-mem-start = <0x2c>;
|
|
|
|
|
qcom,mdss-dsi-te-pin-select = <1>;
|
|
|
|
|
qcom,mdss-dsi-h-sync-pulse = <1>;
|
|
|
|
|
qcom,mdss-dsi-hfp-power-mode;
|
|
|
|
|
qcom,mdss-dsi-hbp-power-mode;
|
|
|
|
|
qcom,mdss-dsi-hsa-power-mode;
|
|
|
|
|
qcom,mdss-dsi-bllp-eof-power-mode;
|
|
|
|
|
qcom,mdss-dsi-bllp-power-mode;
|
|
|
|
|
qcom,mdss-dsi-last-line-interleave;
|
|
|
|
|
qcom,mdss-dsi-traffic-mode = <0>;
|
|
|
|
|
qcom,mdss-dsi-virtual-channel-id = <0>;
|
|
|
|
|
qcom,mdss-dsi-color-order = <0>;
|
|
|
|
|
qcom,mdss-dsi-lane-0-state;
|
|
|
|
|
qcom,mdss-dsi-lane-1-state;
|
|
|
|
|
qcom,mdss-dsi-lane-2-state;
|
|
|
|
|
qcom,mdss-dsi-lane-3-state;
|
|
|
|
|
qcom,mdss-dsi-t-clk-post = <0x20>;
|
|
|
|
|
qcom,mdss-dsi-t-clk-pre = <0x2c>;
|
|
|
|
|
qcom,mdss-dsi-stream = <0>;
|
|
|
|
|
qcom,mdss-dsi-mdp-trigger = <0>;
|
|
|
|
|
qcom,mdss-dsi-dma-trigger = <0>;
|
|
|
|
|
qcom,mdss-dsi-panel-framerate = <60>;
|
|
|
|
|
qcom,mdss-dsi-panel-clockrate = <424000000>;
|
|
|
|
|
qcom,mdss-mdp-transfer-time-us = <12500>;
|
|
|
|
|
qcom,mdss-dsi-panel-timings = [7d 25 1d 00 37 33
|
|
|
|
|
22 27 1e 03 04 00];
|
|
|
|
|
qcom,mdss-dsi-panel-timings-8996 = [23 20 06 09 05 03 04 a0
|
|
|
|
|
23 20 06 09 05 03 04 a0
|
|
|
|
|
23 20 06 09 05 03 04 a0
|
|
|
|
|
23 20 06 09 05 03 04 a0
|
|
|
|
|
23 2e 06 08 05 03 04 a0];
|
|
|
|
|
qcom,mdss-dsi-on-command = [32 01 00 00 00 00 02 00 00
|
|
|
|
|
29 01 00 00 10 00 02 FF 99];
|
|
|
|
|
qcom,mdss-dsi-on-command-state = "dsi_lp_mode";
|
|
|
|
|
qcom,mdss-dsi-off-command = [22 01 00 00 00 00 00];
|
|
|
|
|
qcom,mdss-dsi-off-command-state = "dsi_hs_mode";
|
|
|
|
|
qcom,mdss-dsi-bl-pmic-control-type = "bl_ctrl_wled";
|
|
|
|
|
qcom,mdss-dsi-pan-enable-dynamic-fps;
|
|
|
|
|
qcom,mdss-dsi-pan-fps-update = "dfps_suspend_resume_mode";
|
|
|
|
|
qcom,min-refresh-rate = <30>;
|
|
|
|
|
qcom,max-refresh-rate = <60>;
|
|
|
|
|
qcom,mdss-dsi-bl-pmic-bank-select = <0>;
|
|
|
|
|
qcom,mdss-dsi-bl-pmic-pwm-frequency = <0>;
|
|
|
|
|
qcom,mdss-dsi-pwm-gpio = <&pm8941_mpps 5 0>;
|
|
|
|
|
qcom,5v-boost-gpio = <&pm8994_gpios 14 0>;
|
|
|
|
|
qcom,mdss-pan-physical-width-dimension = <60>;
|
|
|
|
|
qcom,mdss-pan-physical-height-dimension = <140>;
|
|
|
|
|
qcom,mdss-dsi-panel-mode-gpio-state = "low";
|
|
|
|
|
qcom,mdss-tear-check-sync-cfg-height = <0xfff0>;
|
|
|
|
|
qcom,mdss-tear-check-sync-init-val = <1280>;
|
|
|
|
|
qcom,mdss-tear-check-sync-threshold-start = <4>;
|
|
|
|
|
qcom,mdss-tear-check-sync-threshold-continue = <4>;
|
|
|
|
|
qcom,mdss-tear-check-start-pos = <1280>;
|
|
|
|
|
qcom,mdss-tear-check-rd-ptr-trigger-intr = <1281>;
|
|
|
|
|
qcom,mdss-tear-check-frame-rate = <6000>;
|
|
|
|
|
qcom,mdss-dsi-reset-sequence = <1 2>, <0 10>, <1 10>;
|
|
|
|
|
qcom,partial-update-enabled;
|
|
|
|
|
qcom,dcs-cmd-by-left;
|
|
|
|
|
qcom,mdss-dsi-lp11-init;
|
|
|
|
|
qcom,mdss-dsi-init-delay-us = <100>;
|
|
|
|
|
mdss-dsi-rx-eot-ignore;
|
|
|
|
|
mdss-dsi-tx-eot-append;
|
|
|
|
|
qcom,ulps-enabled;
|
|
|
|
|
qcom,suspend-ulps-enabled;
|
|
|
|
|
qcom,panel-roi-alignment = <4 4 2 2 20 20>;
|
|
|
|
|
qcom,esd-check-enabled;
|
|
|
|
|
qcom,mdss-dsi-panel-status-command = [06 01 00 01 05 00 02 0A 08];
|
|
|
|
|
qcom,mdss-dsi-panel-status-command-state = "dsi_lp_mode";
|
|
|
|
|
qcom,mdss-dsi-panel-status-check-mode = "reg_read";
|
|
|
|
|
qcom,mdss-dsi-panel-status-read-length = <8>;
|
|
|
|
|
qcom,mdss-dsi-panel-max-error-count = <3>;
|
|
|
|
|
qcom,mdss-dsi-panel-status-value = <0x1c 0x00 0x05 0x02 0x40 0x84 0x06 0x01>;
|
|
|
|
|
qcom,dynamic-mode-switch-enabled;
|
|
|
|
|
qcom,dynamic-mode-switch-type = "dynamic-switch-immediate";
|
|
|
|
|
qcom,mdss-dsi-post-mode-switch-on-command = [32 01 00 00 00 00 02 00 00
|
|
|
|
|
29 01 00 00 10 00 02 B0 03];
|
|
|
|
|
qcom,video-to-cmd-mode-switch-commands = [15 01 00 00 00 00 02 C2 0B
|
|
|
|
|
15 01 00 00 00 00 02 C2 08];
|
|
|
|
|
qcom,cmd-to-video-mode-switch-commands = [15 01 00 00 00 00 02 C2 03];
|
|
|
|
|
qcom,panel-ack-disabled;
|
|
|
|
|
qcom,mdss-dsi-horizontal-line-idle = <0 40 256>,
|
|
|
|
|
<40 120 128>,
|
|
|
|
|
<128 240 64>;
|
|
|
|
|
qcom,mdss-dsi-panel-orientation = "180"
|
|
|
|
|
qcom,mdss-dsi-force-clock-lane-hs;
|
|
|
|
|
qcom,compression-mode = "dsc";
|
|
|
|
|
qcom,adjust-timer-wakeup-ms = <1>;
|
|
|
|
|
qcom,mdss-dsi-display-timings {
|
|
|
|
|
wqhd {
|
|
|
|
|
qcom,mdss-dsi-timing-default;
|
|
|
|
|
qcom,mdss-dsi-panel-width = <720>;
|
|
|
|
|
qcom,mdss-dsi-panel-height = <2560>;
|
|
|
|
|
qcom,mdss-dsi-h-front-porch = <20>;
|
|
|
|
|
qcom,mdss-dsi-h-back-porch = <8>;
|
|
|
|
|
qcom,mdss-dsi-h-pulse-width = <8>;
|
|
|
|
|
qcom,mdss-dsi-h-sync-skew = <0>;
|
|
|
|
|
qcom,mdss-dsi-v-back-porch = <4>;
|
|
|
|
|
qcom,mdss-dsi-v-front-porch = <728>;
|
|
|
|
|
qcom,mdss-dsi-v-pulse-width = <4>;
|
|
|
|
|
qcom,mdss-dsi-panel-framerate = <60>;
|
|
|
|
|
qcom,mdss-dsi-panel-timings = [E6 38 26 00 68 6E 2A 3C 2C 03 04 00];
|
|
|
|
|
qcom,mdss-dsi-t-clk-post = <0x02>;
|
|
|
|
|
qcom,mdss-dsi-t-clk-pre = <0x2a>;
|
|
|
|
|
qcom,mdss-dsi-on-command = [05 01 00 00 a0 00 02 11 00
|
|
|
|
|
05 01 00 00 02 00 02 29 00];
|
|
|
|
|
qcom,mdss-dsi-on-command-state = "dsi_lp_mode";
|
|
|
|
|
qcom,mdss-dsi-timing-switch-command = [
|
|
|
|
|
29 00 00 00 00 00 02 B0 04
|
|
|
|
|
29 00 00 00 00 00 02 F1 00];
|
|
|
|
|
qcom,mdss-dsi-timing-switch-command-state = "dsi_lp_mode";
|
|
|
|
|
};
|
|
|
|
|
};
|
|
|
|
|
qcom,panel-supply-entries {
|
|
|
|
|
#address-cells = <1>;
|
|
|
|
|
#size-cells = <0>;
|
|
|
|
|
|
|
|
|
|
qcom,panel-supply-entry@0 {
|
|
|
|
|
reg = <0>;
|
|
|
|
|
qcom,supply-name = "vdd";
|
|
|
|
|
qcom,supply-min-voltage = <2800000>;
|
|
|
|
|
qcom,supply-max-voltage = <2800000>;
|
|
|
|
|
qcom,supply-enable-load = <100000>;
|
|
|
|
|
qcom,supply-disable-load = <100>;
|
|
|
|
|
qcom,supply-pre-on-sleep = <0>;
|
|
|
|
|
qcom,supply-post-on-sleep = <0>;
|
|
|
|
|
qcom,supply-pre-off-sleep = <0>;
|
|
|
|
|
qcom,supply-post-off-sleep = <0>;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
qcom,panel-supply-entry@1 {
|
|
|
|
|
reg = <1>;
|
|
|
|
|
qcom,supply-name = "vddio";
|
|
|
|
|
qcom,supply-min-voltage = <1800000>;
|
|
|
|
|
qcom,supply-max-voltage = <1800000>;
|
|
|
|
|
qcom,supply-enable-load = <100000>;
|
|
|
|
|
qcom,supply-disable-load = <100>;
|
|
|
|
|
qcom,supply-pre-on-sleep = <0>;
|
|
|
|
|
qcom,supply-post-on-sleep = <0>;
|
|
|
|
|
qcom,supply-pre-off-sleep = <0>;
|
|
|
|
|
qcom,supply-post-off-sleep = <0>;
|
|
|
|
|
};
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
qcom,config-select = <&dsi_sim_vid_config0>;
|
|
|
|
|
qcom,dba-panel;
|
|
|
|
|
|
|
|
|
|
dsi_sim_vid_config0: config0 {
|
|
|
|
|
qcom,lm-split = <360 360>;
|
|
|
|
|
qcom,mdss-dsc-encoders = <2>;
|
|
|
|
|
qcom,mdss-dsc-slice-height = <16>;
|
|
|
|
|
qcom,mdss-dsc-slice-width = <360>;
|
|
|
|
|
qcom,mdss-dsc-slice-per-pkt = <2>;
|
|
|
|
|
qcom,mdss-dsc-bit-per-component = <8>;
|
|
|
|
|
qcom,mdss-dsc-bit-per-pixel = <8>;
|
|
|
|
|
qcom,mdss-dsc-block-prediction-enable;
|
|
|
|
|
qcom,mdss-dsc-config-by-manufacture-cmd;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
dsi_sim_vid_config1: config1 {
|
|
|
|
|
qcom,mdss-dsc-encoders = <1>;
|
|
|
|
|
qcom,mdss-dsc-slice-height = <16>;
|
|
|
|
|
qcom,mdss-dsc-slice-width = <360>;
|
|
|
|
|
qcom,mdss-dsc-slice-per-pkt = <2>;
|
|
|
|
|
qcom,mdss-dsc-bit-per-component = <8>;
|
|
|
|
|
qcom,mdss-dsc-bit-per-pixel = <8>;
|
|
|
|
|
qcom,mdss-dsc-block-prediction-enable;
|
|
|
|
|
qcom,mdss-dsc-config-by-manufacture-cmd;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
dsi_sim_vid_config2: config2 {
|
|
|
|
|
qcom,split-mode = "dualctl-split";
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
dsi_sim_vid_config3: config3 {
|
|
|
|
|
qcom,split-mode = "pingpong-split";
|
|
|
|
|
};
|
2024-09-09 08:52:07 +00:00
|
|
|
};
|
|
|
|
|
};
|
