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disp: msm: add support for PPS command for VDC-m

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Add support for PPS command for VDC-m. This shall be sent from the
encoder to the decoder such that both can produce the same model
state.

Change-Id: Iae48615eab7c91ef7ecc68b84334057de5090364
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
This commit is contained in:
Abhinav Kumar
2020-01-10 14:00:29 -08:00
parent 497fe7758b
commit 85a5faaa74
5 changed files with 220 additions and 25 deletions
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54
msm/dsi/dsi_panel.c
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@@ -34,26 +34,37 @@
#define DEFAULT_PANEL_PREFILL_LINES 25
#define MIN_PREFILL_LINES 35
int dsi_dsc_create_pps_buf_cmd(struct msm_display_dsc_info *dsc, char *buf,
int pps_id, u32 size)
static void dsi_dce_prepare_pps_header(char *buf, u32 pps_delay_ms)
{
char *bp;
char *dbgbp;
u32 header_size = 7;
dbgbp = buf;
bp = buf;
/* First 7 bytes are cmd header */
*bp++ = 0x0A;
*bp++ = 1;
*bp++ = 0;
*bp++ = 0;
*bp++ = dsc->pps_delay_ms;
*bp++ = pps_delay_ms;
*bp++ = 0;
*bp++ = 128;
}
return sde_dsc_create_pps_buf_cmd(dsc, bp, pps_id, size - header_size);
static int dsi_dsc_create_pps_buf_cmd(struct msm_display_dsc_info *dsc,
char *buf, int pps_id, u32 size)
{
dsi_dce_prepare_pps_header(buf, dsc->pps_delay_ms);
buf += DSI_CMD_PPS_HDR_SIZE;
return sde_dsc_create_pps_buf_cmd(dsc, buf, pps_id,
size);
}
static int dsi_vdc_create_pps_buf_cmd(struct msm_display_vdc_info *vdc,
char *buf, int pps_id, u32 size)
{
dsi_dce_prepare_pps_header(buf, vdc->pps_delay_ms);
buf += DSI_CMD_PPS_HDR_SIZE;
return sde_vdc_create_pps_buf_cmd(vdc, buf, pps_id,
size);
}
static int dsi_panel_vreg_get(struct dsi_panel *panel)
@@ -3771,17 +3782,22 @@ int dsi_panel_update_pps(struct dsi_panel *panel)
set = &priv_info->cmd_sets[DSI_CMD_SET_PPS];
rc = dsi_dsc_create_pps_buf_cmd(&priv_info->dsc, panel->dsc_pps_cmd, 0,
DSI_CMD_PPS_SIZE);
if (rc) {
DSI_ERR("failed to create pps cmd, rc=%d\n", rc);
goto error;
}
rc = dsi_panel_create_cmd_packets(panel->dsc_pps_cmd,
DSI_CMD_PPS_SIZE, 1, set->cmds);
if (rc) {
DSI_ERR("failed to create cmd packets, rc=%d\n", rc);
goto error;
if (priv_info->dsc_enabled)
dsi_dsc_create_pps_buf_cmd(&priv_info->dsc,
panel->dce_pps_cmd, 0,
DSI_CMD_PPS_SIZE - DSI_CMD_PPS_HDR_SIZE);
else if (priv_info->vdc_enabled)
dsi_vdc_create_pps_buf_cmd(&priv_info->vdc,
panel->dce_pps_cmd, 0,
DSI_CMD_PPS_SIZE - DSI_CMD_PPS_HDR_SIZE);
if (priv_info->dsc_enabled || priv_info->vdc_enabled) {
rc = dsi_panel_create_cmd_packets(panel->dce_pps_cmd,
DSI_CMD_PPS_SIZE, 1, set->cmds);
if (rc) {
DSI_ERR("failed to create cmd packets, rc=%d\n", rc);
goto error;
}
}
rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_PPS);