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drm/radeon: change audio enable logic

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Disable audio around audio hw setup.  This may avoid
hangs on certain asics.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Alex Deucher
2014-02-18 11:07:55 -05:00
parent d7eb0a0940
commit 832eafaf34
5 changed files with 44 additions and 27 deletions
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14
drivers/gpu/drm/radeon/r600_audio.c
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@@ -142,12 +142,15 @@ void r600_audio_update_hdmi(struct work_struct *work)
}
/* enable the audio stream */
static void r600_audio_enable(struct radeon_device *rdev,
struct r600_audio_pin *pin,
bool enable)
void r600_audio_enable(struct radeon_device *rdev,
struct r600_audio_pin *pin,
bool enable)
{
u32 value = 0;
if (!pin)
return;
if (ASIC_IS_DCE4(rdev)) {
if (enable) {
value |= 0x81000000; /* Required to enable audio */
@@ -158,7 +161,6 @@ static void r600_audio_enable(struct radeon_device *rdev,
WREG32_P(R600_AUDIO_ENABLE,
enable ? 0x81000000 : 0x0, ~0x81000000);
}
DRM_INFO("%s audio %d support\n", enable ? "Enabling" : "Disabling", pin->id);
}
/*
@@ -178,8 +180,8 @@ int r600_audio_init(struct radeon_device *rdev)
rdev->audio.pin[0].status_bits = 0;
rdev->audio.pin[0].category_code = 0;
rdev->audio.pin[0].id = 0;
r600_audio_enable(rdev, &rdev->audio.pin[0], true);
/* disable audio. it will be set up later */
r600_audio_enable(rdev, &rdev->audio.pin[0], false);
return 0;
}