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disp: msm: add VDC-m parameter calculation support

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Add support to calculate the parameters needed to configure
the VDC-m encoder. These are also needed to configure the PPS
command which shall be sent to the decoder.

Change-Id: I36db93f7555aee34b5b893e389a7eb88d0e05f68
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
This commit is contained in:
Abhinav Kumar
2019-08-15 19:41:28 -07:00
parent 10996c1813
commit 497fe7758b
5 changed files with 1077 additions and 21 deletions
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24
msm/dsi/dsi_panel.c
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@@ -14,6 +14,7 @@
#include "dsi_ctrl_hw.h"
#include "dsi_parser.h"
#include "sde_dsc_helper.h"
#include "sde_vdc_helper.h"
/**
* topology is currently defined by a set of following 3 values:
@@ -2366,12 +2367,13 @@ error:
}
static int dsi_panel_parse_vdc_params(struct dsi_display_mode *mode,
struct dsi_parser_utils *utils)
struct dsi_parser_utils *utils, int traffic_mode, int panel_mode)
{
u32 data;
int rc = -EINVAL;
const char *compression;
struct dsi_display_mode_priv_info *priv_info;
int intf_width;
if (!mode || !mode->priv_info)
return -EINVAL;
@@ -2389,6 +2391,9 @@ static int dsi_panel_parse_vdc_params(struct dsi_display_mode *mode,
return 0;
}
priv_info->vdc.panel_mode = panel_mode;
priv_info->vdc.traffic_mode = traffic_mode;
rc = utils->read_u32(utils->data, "qcom,vdc-version", &data);
if (rc) {
priv_info->vdc.version_major = 0x1;
@@ -2477,6 +2482,8 @@ static int dsi_panel_parse_vdc_params(struct dsi_display_mode *mode,
rc = -EINVAL;
goto error;
}
intf_width = mode->timing.h_active;
priv_info->vdc.slice_per_pkt = data;
priv_info->vdc.frame_width = mode->timing.h_active;
@@ -2523,6 +2530,14 @@ static int dsi_panel_parse_vdc_params(struct dsi_display_mode *mode,
}
priv_info->vdc.source_color_space = data;
rc = sde_vdc_populate_config(&priv_info->vdc,
intf_width, traffic_mode);
if (rc) {
DSI_DEBUG("failed populating vdc config\n");
rc = -EINVAL;
goto error;
}
mode->timing.vdc_enabled = true;
mode->timing.vdc = &priv_info->vdc;
@@ -3555,6 +3570,8 @@ int dsi_panel_get_mode(struct dsi_panel *panel,
struct dsi_display_mode_priv_info *prv_info;
u32 child_idx = 0;
int rc = 0, num_timings;
int traffic_mode;
int panel_mode;
void *utils_data = NULL;
if (!panel || !mode) {
@@ -3589,6 +3606,8 @@ int dsi_panel_get_mode(struct dsi_panel *panel,
}
utils_data = utils->data;
traffic_mode = panel->video_config.traffic_mode;
panel_mode = panel->panel_mode;
dsi_for_each_child_node(timings_np, child_np) {
if (index != child_idx++)
@@ -3608,7 +3627,8 @@ int dsi_panel_get_mode(struct dsi_panel *panel,
goto parse_fail;
}
rc = dsi_panel_parse_vdc_params(mode, utils);
rc = dsi_panel_parse_vdc_params(mode, utils, traffic_mode,
panel_mode);
if (rc) {
DSI_ERR("failed to parse vdc params, rc=%d\n", rc);
goto parse_fail;