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msm: mdss: dsi: add support to set state for mode switch commands

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Some panels need to send the dcs commands for mode
switch in HS mode instead the default LP mode due time
constraints. Add entries so the panels can be configured
to HS mode if required for the mode switch.

Change-Id: Ie41ad1965384b131db343c54f888ade82fc45e31
Signed-off-by: Ingrid Gallardo <ingridg@codeaurora.org>
This commit is contained in:
Ingrid Gallardo 2016-11-16 09:24:32 -08:00
parent 61f26e3aa5
commit 86d69e2cc0
2 changed files with 10 additions and 2 deletions
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6
Documentation/devicetree/bindings/fb/mdss-dsi-panel.txt
View file

@ -436,6 +436,11 @@ the fps window.
- qcom,cmd-to-video-mode-switch-commands: List of commands that need to be sent
to panel in order to switch from command mode to video mode dynamically.
Refer to "qcom,mdss-dsi-on-command" section for adding commands.
- qcom,mode-switch-commands-state: String that specifies the ctrl state for sending commands to switch
the panel mode, it applies for both switches, from command to video and
from video to command.
"dsi_lp_mode" = DSI low power mode (default)
"dsi_hs_mode" = DSI high speed mode
- qcom,send-pps-before-switch: Boolean propety to indicate when PPS commands should be sent,
either before or after switch commands during dynamic resolution
switch in DSC panels. If the property is not present, the default
@ -660,6 +665,7 @@ Example:
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,mode-switch-commands-state = "dsi_hs_mode";
qcom,send-pps-before-switch;
qcom,panel-ack-disabled;
qcom,mdss-dsi-horizontal-line-idle = <0 40 256>,

6
drivers/video/fbdev/msm/mdss_dsi_panel.c
View file

@ -1703,10 +1703,12 @@ static void mdss_dsi_parse_dms_config(struct device_node *np,
pr_debug("%s: default dms suspend/resume\n", __func__);
mdss_dsi_parse_dcs_cmds(np, &ctrl->video2cmd,
"qcom,video-to-cmd-mode-switch-commands", NULL);
"qcom,video-to-cmd-mode-switch-commands",
"qcom,mode-switch-commands-state");
mdss_dsi_parse_dcs_cmds(np, &ctrl->cmd2video,
"qcom,cmd-to-video-mode-switch-commands", NULL);
"qcom,cmd-to-video-mode-switch-commands",
"qcom,mode-switch-commands-state");
mdss_dsi_parse_dcs_cmds(np, &ctrl->post_dms_on_cmds,
"qcom,mdss-dsi-post-mode-switch-on-command",