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Merge tag 'drm-msm-fixes-2024-02-28' of https://gitlab.freedesktop.org/drm/msm into drm-fixes

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Fixes for v6.8-rc7

DP:
- Revert a change which was causing a HDP regression

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGvhWvHiPGQ1pRD2XPAQoHEM2M35kjhrsSAEtzh8AMSRvg@mail.gmail.com
This commit is contained in:
Dave Airlie 2024-03-01 14:24:51 +10:00
commit bba679c06c
1 changed files with 18 additions and 2 deletions
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20
drivers/gpu/drm/msm/dp/dp_display.c
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@ -329,10 +329,26 @@ static const struct component_ops dp_display_comp_ops = {
.unbind = dp_display_unbind,
};
static void dp_display_send_hpd_event(struct msm_dp *dp_display)
{
struct dp_display_private *dp;
struct drm_connector *connector;
dp = container_of(dp_display, struct dp_display_private, dp_display);
connector = dp->dp_display.connector;
drm_helper_hpd_irq_event(connector->dev);
}
static int dp_display_send_hpd_notification(struct dp_display_private *dp,
bool hpd)
{
struct drm_bridge *bridge = dp->dp_display.bridge;
if ((hpd && dp->dp_display.link_ready) ||
(!hpd && !dp->dp_display.link_ready)) {
drm_dbg_dp(dp->drm_dev, "HPD already %s\n",
(hpd ? "on" : "off"));
return 0;
}
/* reset video pattern flag on disconnect */
if (!hpd) {
@ -348,7 +364,7 @@ static int dp_display_send_hpd_notification(struct dp_display_private *dp,
drm_dbg_dp(dp->drm_dev, "type=%d hpd=%d\n",
dp->dp_display.connector_type, hpd);
drm_bridge_hpd_notify(bridge, dp->dp_display.link_ready);
dp_display_send_hpd_event(&dp->dp_display);
return 0;
}