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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.c57
1 files changed, 49 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index 278c7a139d74..53abd9b17a50 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -38,6 +38,37 @@ 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);
+/* enable the audio stream */
+static void dce4_audio_enable(struct radeon_device *rdev,
+ struct r600_audio_pin *pin,
+ u8 enable_mask)
+{
+ u32 tmp = RREG32(AZ_HOT_PLUG_CONTROL);
+
+ if (!pin)
+ return;
+
+ if (enable_mask) {
+ tmp |= AUDIO_ENABLED;
+ if (enable_mask & 1)
+ tmp |= PIN0_AUDIO_ENABLED;
+ if (enable_mask & 2)
+ tmp |= PIN1_AUDIO_ENABLED;
+ if (enable_mask & 4)
+ tmp |= PIN2_AUDIO_ENABLED;
+ if (enable_mask & 8)
+ tmp |= PIN3_AUDIO_ENABLED;
+ } else {
+ tmp &= ~(AUDIO_ENABLED |
+ PIN0_AUDIO_ENABLED |
+ PIN1_AUDIO_ENABLED |
+ PIN2_AUDIO_ENABLED |
+ PIN3_AUDIO_ENABLED);
+ }
+
+ WREG32(AZ_HOT_PLUG_CONTROL, tmp);
+}
+
/*
* update the N and CTS parameters for a given pixel clock rate
*/
@@ -102,7 +133,7 @@ static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder)
struct drm_connector *connector;
struct radeon_connector *radeon_connector = NULL;
u32 tmp;
- u8 *sadb;
+ u8 *sadb = NULL;
int sad_count;
list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
@@ -118,9 +149,9 @@ static void dce4_afmt_write_speaker_allocation(struct drm_encoder *encoder)
}
sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), &sadb);
- if (sad_count <= 0) {
- DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
- return;
+ if (sad_count < 0) {
+ DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
+ sad_count = 0;
}
/* program the speaker allocation */
@@ -318,10 +349,10 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
/* disable audio prior to setting up hw */
if (ASIC_IS_DCE6(rdev)) {
dig->afmt->pin = dce6_audio_get_pin(rdev);
- dce6_audio_enable(rdev, dig->afmt->pin, false);
+ dce6_audio_enable(rdev, dig->afmt->pin, 0);
} else {
dig->afmt->pin = r600_audio_get_pin(rdev);
- r600_audio_enable(rdev, dig->afmt->pin, false);
+ dce4_audio_enable(rdev, dig->afmt->pin, 0);
}
evergreen_audio_set_dto(encoder, mode->clock);
@@ -463,13 +494,15 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
/* enable audio after to setting up hw */
if (ASIC_IS_DCE6(rdev))
- dce6_audio_enable(rdev, dig->afmt->pin, true);
+ dce6_audio_enable(rdev, dig->afmt->pin, 1);
else
- r600_audio_enable(rdev, dig->afmt->pin, true);
+ dce4_audio_enable(rdev, dig->afmt->pin, 0xf);
}
void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
{
+ struct drm_device *dev = encoder->dev;
+ struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
@@ -482,6 +515,14 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
if (!enable && !dig->afmt->enabled)
return;
+ if (!enable && dig->afmt->pin) {
+ if (ASIC_IS_DCE6(rdev))
+ dce6_audio_enable(rdev, dig->afmt->pin, 0);
+ else
+ dce4_audio_enable(rdev, dig->afmt->pin, 0);
+ dig->afmt->pin = NULL;
+ }
+
dig->afmt->enabled = enable;
DRM_DEBUG("%sabling HDMI interface @ 0x%04X for encoder 0x%x\n",