This patch adds a reverse mapping from a digital port number to
intel_encoder object containing the corresponding intel_digital_port.
It simplifies the query of the encoder a lot.

Signed-off-by: Takashi Iwai <ti...@suse.de>
---
 drivers/gpu/drm/i915/i915_drv.h    |  2 ++
 drivers/gpu/drm/i915/intel_audio.c | 22 ++--------------------
 drivers/gpu/drm/i915/intel_ddi.c   |  1 +
 drivers/gpu/drm/i915/intel_dp.c    |  1 +
 drivers/gpu/drm/i915/intel_hdmi.c  |  2 ++
 5 files changed, 8 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 95bb27de774f..3483d8125eac 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1955,6 +1955,8 @@ struct drm_i915_private {
        /* perform PHY state sanity checks? */
        bool chv_phy_assert[2];
 
+       struct intel_encoder *dig_port_map[I915_MAX_PORTS];
+
        /*
         * NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
         * will be rejected. Instead look for a better place.
diff --git a/drivers/gpu/drm/i915/intel_audio.c 
b/drivers/gpu/drm/i915/intel_audio.c
index 19958bdb9bd0..67ee99f00ddd 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -630,28 +630,10 @@ static int i915_audio_component_get_cdclk_freq(struct 
device *dev)
        return ret;
 }
 
-static struct intel_encoder *audio_port_to_encoder(struct drm_device *drm_dev,
-                                                  int port)
-{
-       struct intel_encoder *intel_encoder;
-       struct intel_digital_port *intel_dig_port;
-
-       for_each_intel_encoder(drm_dev, intel_encoder) {
-               if (intel_encoder->type != INTEL_OUTPUT_HDMI &&
-                   intel_encoder->type != INTEL_OUTPUT_DISPLAYPORT)
-                       continue;
-               intel_dig_port = enc_to_dig_port(&intel_encoder->base);
-               if (port == intel_dig_port->port)
-                       return intel_encoder;
-       }
-       return NULL;
-}
-
 static int i915_audio_component_sync_audio_rate(struct device *dev,
                                                int port, int rate)
 {
        struct drm_i915_private *dev_priv = dev_to_i915(dev);
-       struct drm_device *drm_dev = dev_priv->dev;
        struct intel_encoder *intel_encoder;
        struct intel_crtc *crtc;
        struct drm_display_mode *mode;
@@ -668,7 +650,7 @@ static int i915_audio_component_sync_audio_rate(struct 
device *dev,
 
        mutex_lock(&dev_priv->av_mutex);
        /* 1. get the pipe */
-       intel_encoder = audio_port_to_encoder(drm_dev, port);
+       intel_encoder = dev_priv->dig_port_map[port];
        if (!intel_encoder || intel_encoder->type != INTEL_OUTPUT_HDMI) {
                DRM_DEBUG_KMS("no pipe for the port %c\n", port_name(port));
                mutex_unlock(&dev_priv->av_mutex);
@@ -725,7 +707,7 @@ static int i915_audio_component_get_eld(struct device *dev, 
int port,
        int ret = -EINVAL;
 
        drm_modeset_lock_all(drm_dev);
-       intel_encoder = audio_port_to_encoder(drm_dev, port);
+       intel_encoder = dev_priv->dig_port_map[port];
        if (intel_encoder) {
                ret = 0;
                intel_dig_port = enc_to_dig_port(&intel_encoder->base);
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index a6752a61d99f..6770110a4075 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -3285,6 +3285,7 @@ void intel_ddi_init(struct drm_device *dev, enum port 
port)
        intel_encoder->get_config = intel_ddi_get_config;
 
        intel_dig_port->port = port;
+       dev_priv->dig_port_map[port] = intel_encoder;
        intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) &
                                          (DDI_BUF_PORT_REVERSAL |
                                           DDI_A_4_LANES);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 09bdd94ca3ba..1c02c6466f30 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -6201,6 +6201,7 @@ intel_dp_init(struct drm_device *dev, int output_reg, 
enum port port)
        }
 
        intel_dig_port->port = port;
+       dev_priv->dig_port_map[port] = intel_encoder;
        intel_dig_port->dp.output_reg = output_reg;
 
        intel_encoder->type = INTEL_OUTPUT_DISPLAYPORT;
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c 
b/drivers/gpu/drm/i915/intel_hdmi.c
index 9eafa191cee2..1d9f522a6679 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -2133,6 +2133,7 @@ void intel_hdmi_init_connector(struct intel_digital_port 
*intel_dig_port,
 
 void intel_hdmi_init(struct drm_device *dev, int hdmi_reg, enum port port)
 {
+       struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_digital_port *intel_dig_port;
        struct intel_encoder *intel_encoder;
        struct intel_connector *intel_connector;
@@ -2201,6 +2202,7 @@ void intel_hdmi_init(struct drm_device *dev, int 
hdmi_reg, enum port port)
                intel_encoder->cloneable |= 1 << INTEL_OUTPUT_HDMI;
 
        intel_dig_port->port = port;
+       dev_priv->dig_port_map[port] = intel_encoder;
        intel_dig_port->hdmi.hdmi_reg = hdmi_reg;
        intel_dig_port->dp.output_reg = 0;
 
-- 
2.6.3

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to