drm/radeon/kms: HDMI support for R600 KMS

Adding basic HDMI support for R600 KMS, ported from radeonhd ddx.

[airlied:- checkpatch cleanups]
Signed-off-by: Christian Koenig <deathsimple@vodafone.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 11 insertions, 5 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index b4f23ec93201..0d1d908e5225 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -438,6 +438,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
         union lvds_encoder_control args;
         int index = 0;
+        int hdmi_detected = 0;
         uint8_t frev, crev;
         struct radeon_encoder_atom_dig *dig;
         struct drm_connector *connector;
@@ -458,6 +459,9 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
         if (!radeon_connector->con_priv)
                 return;
 
+        if (drm_detect_hdmi_monitor(radeon_connector->edid))
+                hdmi_detected = 1;
+
         dig_connector = radeon_connector->con_priv;
 
         memset(&args, 0, sizeof(args));
@@ -487,7 +491,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
                 case 1:
                         args.v1.ucMisc = 0;
                         args.v1.ucAction = action;
-                        if (drm_detect_hdmi_monitor(radeon_connector->edid))
+                        if (hdmi_detected)
                                 args.v1.ucMisc |= PANEL_ENCODER_MISC_HDMI_TYPE;
                         args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
                         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
@@ -512,7 +516,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
                                 if (dig->coherent_mode)
                                         args.v2.ucMisc |= PANEL_ENCODER_MISC_COHERENT;
                         }
-                        if (drm_detect_hdmi_monitor(radeon_connector->edid))
+                        if (hdmi_detected)
                                 args.v2.ucMisc |= PANEL_ENCODER_MISC_HDMI_TYPE;
                         args.v2.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
                         args.v2.ucTruncate = 0;
@@ -552,7 +556,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
         }
 
         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
-
+        r600_hdmi_enable(encoder, hdmi_detected);
 }
 
 int
@@ -893,7 +897,6 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
         }
 
         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
-
 }
 
 static void
@@ -1162,7 +1165,6 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder)
         }
 
         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
-
 }
 
 static void
@@ -1265,6 +1267,8 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
                 break;
         }
         atombios_apply_encoder_quirks(encoder, adjusted_mode);
+
+        r600_hdmi_setmode(encoder, adjusted_mode);
 }
 
 static bool
@@ -1510,4 +1514,6 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t su
                 drm_encoder_helper_add(encoder, &radeon_atom_dig_helper_funcs);
                 break;
         }
+
+        r600_hdmi_init(encoder);
 }