With the pre-DC path you could set audio=0 to disable audio.
This adds a similar feature for the DC path with
amdgpu.dcfeaturemask=0x10.
Signed-off-by: Ernst Sjöstrand <ernstp@xxxxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++
drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 7 ++++---
drivers/gpu/drm/amd/display/dc/dc.h | 1 +
drivers/gpu/drm/amd/include/amd_shared.h | 1 +
4 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index e490fc2486f7..322d9439b9c2 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1013,6 +1013,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
if (amdgpu_dc_feature_mask & DC_DISABLE_FRACTIONAL_PWM_MASK)
init_data.flags.disable_fractional_pwm = true;
+ if (amdgpu_dc_feature_mask & DC_DISABLE_AUDIO)
+ init_data.flags.disable_audio = true;
+
init_data.flags.power_down_display_on_boot = true;
init_data.soc_bounding_box = adev->dm.soc_bounding_box;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 68b65a090d17..4cc0d2308c98 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -2141,9 +2141,10 @@ enum dc_status resource_map_pool_resources(
true);
/* TODO: Add check if ASIC support and EDID audio */
- if (!stream->converter_disable_audio &&
- dc_is_audio_capable_signal(pipe_ctx->stream->signal) &&
- stream->audio_info.mode_count && stream->audio_info.flags.all) {
+ if (!dc->config.disable_audio &&
+ !stream->converter_disable_audio &&
+ dc_is_audio_capable_signal(pipe_ctx->stream->signal) &&
+ stream->audio_info.mode_count && stream->audio_info.flags.all) {
pipe_ctx->stream_res.audio = find_first_free_audio(
&context->res_ctx, pool, pipe_ctx->stream_res.stream_enc->id, dc_ctx->dce_version);
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 71d46ade24e5..2ab6d770c66b 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -297,6 +297,7 @@ struct dc_config {
bool multi_mon_pp_mclk_switch;
bool disable_dmcu;
bool enable_4to1MPC;
+ bool disable_audio;
#if defined(CONFIG_DRM_AMD_DC_DCN)
bool clamp_min_dcfclk;
#endif
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 9676016a37ce..7202d816a97e 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -220,6 +220,7 @@ enum DC_FEATURE_MASK {
DC_MULTI_MON_PP_MCLK_SWITCH_MASK = 0x2,
DC_DISABLE_FRACTIONAL_PWM_MASK = 0x4,
DC_PSR_MASK = 0x8,
+ DC_DISABLE_AUDIO = 0x10,
};
enum DC_DEBUG_MASK {
--
2.27.0
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