Backmerge tag 'v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds...

[linux-2.6-microblaze.git] / drivers / gpu / drm / vc4 / vc4_hdmi.c

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index e3121eb..92b1530 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -205,14 +205,8 @@ vc4_hdmi_connector_detect(struct drm_connector *connector, bool force)
                if (gpiod_get_value_cansleep(vc4_hdmi->hpd_gpio))
                        connected = true;
        } else {
-               unsigned long flags;
-               u32 hotplug;
-
-               spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
-               hotplug = HDMI_READ(HDMI_HOTPLUG);
-               spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags);
-
-               if (hotplug & VC4_HDMI_HOTPLUG_CONNECTED)
+               if (vc4_hdmi->variant->hp_detect &&
+                   vc4_hdmi->variant->hp_detect(vc4_hdmi))
                        connected = true;
        }
 
@@ -1275,6 +1269,7 @@ static int vc4_hdmi_encoder_atomic_check(struct drm_encoder *encoder,
        unsigned long long tmds_rate;
 
        if (vc4_hdmi->variant->unsupported_odd_h_timings &&
+           !(mode->flags & DRM_MODE_FLAG_DBLCLK) &&
            ((mode->hdisplay % 2) || (mode->hsync_start % 2) ||
             (mode->hsync_end % 2) || (mode->htotal % 2)))
                return -EINVAL;
@@ -1322,6 +1317,7 @@ vc4_hdmi_encoder_mode_valid(struct drm_encoder *encoder,
        struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
 
        if (vc4_hdmi->variant->unsupported_odd_h_timings &&
+           !(mode->flags & DRM_MODE_FLAG_DBLCLK) &&
            ((mode->hdisplay % 2) || (mode->hsync_start % 2) ||
             (mode->hsync_end % 2) || (mode->htotal % 2)))
                return MODE_H_ILLEGAL;
@@ -1367,6 +1363,18 @@ static u32 vc5_hdmi_channel_map(struct vc4_hdmi *vc4_hdmi, u32 channel_mask)
        return channel_map;
 }
 
+static bool vc5_hdmi_hp_detect(struct vc4_hdmi *vc4_hdmi)
+{
+       unsigned long flags;
+       u32 hotplug;
+
+       spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
+       hotplug = HDMI_READ(HDMI_HOTPLUG);
+       spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags);
+
+       return !!(hotplug & VC4_HDMI_HOTPLUG_CONNECTED);
+}
+
 /* HDMI audio codec callbacks */
 static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *vc4_hdmi,
                                         unsigned int samplerate)
@@ -2528,7 +2536,8 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
         * vc4_hdmi_disable_scrambling() will thus run at boot, make
         * sure it's disabled, and avoid any inconsistency.
         */
-       vc4_hdmi->scdc_enabled = true;
+       if (variant->max_pixel_clock > HDMI_14_MAX_TMDS_CLK)
+               vc4_hdmi->scdc_enabled = true;
 
        ret = variant->init_resources(vc4_hdmi);
        if (ret)
@@ -2747,6 +2756,7 @@ static const struct vc4_hdmi_variant bcm2711_hdmi0_variant = {
        .phy_rng_disable        = vc5_hdmi_phy_rng_disable,
        .channel_map            = vc5_hdmi_channel_map,
        .supports_hdr           = true,
+       .hp_detect              = vc5_hdmi_hp_detect,
 };
 
 static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = {
@@ -2775,6 +2785,7 @@ static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = {
        .phy_rng_disable        = vc5_hdmi_phy_rng_disable,
        .channel_map            = vc5_hdmi_channel_map,
        .supports_hdr           = true,
+       .hp_detect              = vc5_hdmi_hp_detect,
 };
 
 static const struct of_device_id vc4_hdmi_dt_match[] = {