drm/radeon/evergreen: write default channel numbers

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index b1e5e60d23a8..380933bc1782 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -143,6 +143,27 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
 
         evergreen_hdmi_update_ACR(encoder, mode->clock);
 
+        WREG32(AFMT_60958_0 + offset,
+               AFMT_60958_CS_CHANNEL_NUMBER_L(1));
+
+        WREG32(AFMT_60958_1 + offset,
+               AFMT_60958_CS_CHANNEL_NUMBER_R(2));
+
+        WREG32(AFMT_60958_2 + offset,
+               AFMT_60958_CS_CHANNEL_NUMBER_2(3) |
+               AFMT_60958_CS_CHANNEL_NUMBER_3(4) |
+               AFMT_60958_CS_CHANNEL_NUMBER_4(5) |
+               AFMT_60958_CS_CHANNEL_NUMBER_5(6) |
+               AFMT_60958_CS_CHANNEL_NUMBER_6(7) |
+               AFMT_60958_CS_CHANNEL_NUMBER_7(8));
+
+        /* fglrx sets 0x0001005f | (x & 0x00fc0000) in 0x5f78 here */
+
+        WREG32(AFMT_AUDIO_PACKET_CONTROL2 + offset,
+               AFMT_AUDIO_CHANNEL_ENABLE(0xff));
+
+        /* fglrx sets 0x40 in 0x5f80 here */
+
         err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
         if (err < 0) {
                 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);