evie/android_kernel_oneplus_msm8998
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msm: hdmi: edid: add API to override edid configuration

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Add a new API to override the EDID configuration. This will
allow clients to specify a particular resolution to be used
for subsequent connections.

CRs-Fixed: 1109812
Change-Id: Ie08ed509dd563bf265b32a2bfece86352b4e2b68
Signed-off-by: Aravind Venkateswaran <aravindh@codeaurora.org>
This commit is contained in:
Aravind Venkateswaran 2017-01-15 18:44:38 -08:00
parent bc176f3364
commit 9be29e6aaa
2 changed files with 42 additions and 8 deletions
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32
drivers/video/fbdev/msm/mdss_hdmi_edid.c
View file

@ -122,13 +122,6 @@ struct hdmi_edid_sink_caps {
bool ind_view_support;
};
struct hdmi_edid_override_data {
int scramble;
int sink_mode;
int format;
int vic;
};
struct hdmi_edid_ctrl {
u8 pt_scan_info;
u8 it_scan_info;
@ -2597,6 +2590,31 @@ void hdmi_edid_set_video_resolution(void *input, u32 resolution, bool reset)
}
} /* hdmi_edid_set_video_resolution */
void hdmi_edid_config_override(void *input, bool enable,
struct hdmi_edid_override_data *data)
{
struct hdmi_edid_ctrl *edid_ctrl = (struct hdmi_edid_ctrl *)input;
struct hdmi_edid_override_data *ov_data = &edid_ctrl->override_data;
if ((!edid_ctrl) || (enable && !data)) {
DEV_ERR("%s: invalid input\n", __func__);
return;
}
edid_ctrl->edid_override = enable;
pr_debug("EDID override %s\n", enable ? "enabled" : "disabled");
if (enable) {
ov_data->scramble = data->scramble;
ov_data->sink_mode = data->sink_mode;
ov_data->format = data->format;
ov_data->vic = data->vic;
pr_debug("%s: Override data: scramble=%d sink_mode=%d format=%d vic=%d\n",
__func__, ov_data->scramble, ov_data->sink_mode,
ov_data->format, ov_data->vic);
}
}
void hdmi_edid_deinit(void *input)
{
struct hdmi_edid_ctrl *edid_ctrl = (struct hdmi_edid_ctrl *)input;

18
drivers/video/fbdev/msm/mdss_hdmi_edid.h
View file

@ -1,4 +1,4 @@
/* Copyright (c) 2010-2016, The Linux Foundation. All rights reserved.
/* Copyright (c) 2010-2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@ -44,6 +44,20 @@ struct hdmi_edid_hdr_data {
u32 min_luminance;
};
/*
* struct hdmi_override_data - Resolution Override Data
* @scramble - scrambler enable
* @sink_mode - 0 for DVI and 1 for HDMI
* @format - pixel format (refer to msm_hdmi_modes.h)
* @vic - resolution code
*/
struct hdmi_edid_override_data {
int scramble;
int sink_mode;
int format;
int vic;
};
int hdmi_edid_parser(void *edid_ctrl);
u32 hdmi_edid_get_raw_data(void *edid_ctrl, u8 *buf, u32 size);
u8 hdmi_edid_get_sink_scaninfo(void *edid_ctrl, u32 resolution);
@ -63,5 +77,7 @@ u8 hdmi_edid_get_deep_color(void *edid_ctrl);
u32 hdmi_edid_get_max_pclk(void *edid_ctrl);
void hdmi_edid_get_hdr_data(void *edid_ctrl,
struct hdmi_edid_hdr_data **hdr_data);
void hdmi_edid_config_override(void *input, bool enable,
struct hdmi_edid_override_data *data);
#endif /* __HDMI_EDID_H__ */