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disp: msm: dp: add support for continuous PPS command

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Add support to send PPS command with every frame for DP.
This is needed to satisfy the requirement of certain bridge
chips which need the PPS to be sent every frame.

Change-Id: I8711dff41e60d8b1e1c515a5d34a370a2409ce14
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Sudarsan Ramesh <sudarame@codeaurora.org>
This commit is contained in:
Abhinav Kumar
2020-07-24 14:06:47 -04:00
committed by Sudarsan Ramesh
parent 316f28ff40
commit 6db41ed532
10 changed files with 42 additions and 3 deletions
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19
msm/dp/dp_mst_drm.c
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@@ -1768,6 +1768,21 @@ static void dp_mst_connector_pre_destroy(struct drm_connector *connector,
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_EXIT, conn_id);
}
static int dp_mst_connector_post_init(struct drm_connector *connector,
void *display)
{
struct dp_display *dp_display = display;
struct sde_connector *sde_conn = to_sde_connector(connector);
if (!dp_display || !connector)
return -EINVAL;
if (dp_display->dsc_cont_pps)
sde_conn->ops.update_pps = NULL;
return 0;
}
/* DRM MST callbacks */
static struct drm_connector *
@@ -1775,7 +1790,7 @@ dp_mst_add_connector(struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_mst_port *port, const char *pathprop)
{
static const struct sde_connector_ops dp_mst_connector_ops = {
.post_init = NULL,
.post_init = dp_mst_connector_post_init,
.detect = dp_mst_connector_detect,
.get_modes = dp_mst_connector_get_modes,
.mode_valid = dp_mst_connector_mode_valid,
@@ -2120,7 +2135,7 @@ dp_mst_drm_fixed_connector_init(struct dp_display *dp_display,
struct drm_encoder *encoder)
{
static const struct sde_connector_ops dp_mst_connector_ops = {
.post_init = NULL,
.post_init = dp_mst_connector_post_init,
.detect = dp_mst_fixed_connector_detect,
.get_modes = dp_mst_connector_get_modes,
.mode_valid = dp_mst_connector_mode_valid,