On Mon, Jun 4, 2012 at 12:36 PM, Rafał Miłecki <zajec5@xxxxxxxxx> wrote:
> This is based on info released by AMD, should allow using audio in much
> more cases.
>
> Signed-off-by: Rafał Miłecki <zajec5@xxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/radeon/r600_audio.c | 5 +++--
> 1 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
> index 7c4fa77..7479a5c 100644
> --- a/drivers/gpu/drm/radeon/r600_audio.c
> +++ b/drivers/gpu/drm/radeon/r600_audio.c
> @@ -192,6 +192,7 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
> 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;
> + struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
> int base_rate = 48000;
>
> switch (radeon_encoder->encoder_id) {
> @@ -217,8 +218,8 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
> WREG32(EVERGREEN_AUDIO_PLL1_DIV, clock * 10);
> WREG32(EVERGREEN_AUDIO_PLL1_UNK, 0x00000071);
>
> - /* Some magic trigger or src sel? */
> - WREG32_P(0x5ac, 0x01, ~0x77);
> + /* Select DTO source */
> + WREG32(0x5ac, radeon_crtc->crtc_id);
> } else {
> switch (dig->dig_encoder) {
> case 0:
> --
> 1.7.7
>
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