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path: root/drivers/gpu/drm/radeon/evergreen_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen_hdmi.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen_hdmi.c48
1 files changed, 46 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index f71ce390aebe..678736542ed8 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -35,6 +35,8 @@
extern void dce6_afmt_write_speaker_allocation(struct drm_encoder *encoder);
extern void dce6_afmt_write_sad_regs(struct drm_encoder *encoder);
extern void dce6_afmt_select_pin(struct drm_encoder *encoder);
+extern void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
+ struct drm_display_mode *mode);
/*
* update the N and CTS parameters for a given pixel clock rate
@@ -58,6 +60,42 @@ static void evergreen_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t cloc
WREG32(HDMI_ACR_48_1 + offset, acr.n_48khz);
}
+static void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
+ struct drm_display_mode *mode)
+{
+ struct radeon_device *rdev = encoder->dev->dev_private;
+ struct drm_connector *connector;
+ struct radeon_connector *radeon_connector = NULL;
+ u32 tmp = 0;
+
+ list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
+ if (connector->encoder == encoder) {
+ radeon_connector = to_radeon_connector(connector);
+ break;
+ }
+ }
+
+ if (!radeon_connector) {
+ DRM_ERROR("Couldn't find encoder's connector\n");
+ return;
+ }
+
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
+ if (connector->latency_present[1])
+ tmp = VIDEO_LIPSYNC(connector->video_latency[1]) |
+ AUDIO_LIPSYNC(connector->audio_latency[1]);
+ else
+ tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255);
+ } else {
+ if (connector->latency_present[0])
+ tmp = VIDEO_LIPSYNC(connector->video_latency[0]) |
+ AUDIO_LIPSYNC(connector->audio_latency[0]);
+ else
+ tmp = VIDEO_LIPSYNC(255) | AUDIO_LIPSYNC(255);
+ }
+ WREG32(AZ_F0_CODEC_PIN0_CONTROL_RESPONSE_LIPSYNC, tmp);
+}
+
static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder)
{
struct radeon_device *rdev = encoder->dev->dev_private;
@@ -68,8 +106,10 @@ static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder)
int sad_count;
list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
- if (connector->encoder == encoder)
+ if (connector->encoder == encoder) {
radeon_connector = to_radeon_connector(connector);
+ break;
+ }
}
if (!radeon_connector) {
@@ -121,8 +161,10 @@ static void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder)
};
list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
- if (connector->encoder == encoder)
+ if (connector->encoder == encoder) {
radeon_connector = to_radeon_connector(connector);
+ break;
+ }
}
if (!radeon_connector) {
@@ -321,8 +363,10 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
if (ASIC_IS_DCE6(rdev)) {
dce6_afmt_select_pin(encoder);
dce6_afmt_write_sad_regs(encoder);
+ dce6_afmt_write_latency_fields(encoder, mode);
} else {
evergreen_hdmi_write_sad_regs(encoder);
+ dce4_afmt_write_latency_fields(encoder, mode);
}
err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);