diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_audio.c | 39 |
1 files changed, 4 insertions, 35 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c index 626c47e96a6d..fb8a960a4b3d 100644 --- a/drivers/gpu/drm/i915/display/intel_audio.c +++ b/drivers/gpu/drm/i915/display/intel_audio.c @@ -691,20 +691,6 @@ static void ilk_audio_regs_init(struct drm_i915_private *i915, } } -/* ELD buffer size in dwords */ -static int ilk_eld_buffer_size(struct drm_i915_private *i915, - enum pipe pipe) -{ - struct ilk_audio_regs regs; - u32 tmp; - - ilk_audio_regs_init(i915, pipe, ®s); - - tmp = intel_de_read(i915, regs.aud_cntl_st); - - return REG_FIELD_GET(IBX_ELD_BUFFER_SIZE_MASK, tmp); -} - static void ilk_audio_codec_disable(struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) @@ -747,11 +733,8 @@ static void ilk_audio_codec_enable(struct intel_encoder *encoder, { struct drm_i915_private *i915 = to_i915(encoder->base.dev); struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_connector *connector = conn_state->connector; - const u32 *eld = (const u32 *)connector->eld; enum port port = encoder->port; enum pipe pipe = crtc->pipe; - int eld_buffer_size, len, i; struct ilk_audio_regs regs; if (drm_WARN_ON(&i915->drm, port == PORT_A)) @@ -767,24 +750,10 @@ static void ilk_audio_codec_enable(struct intel_encoder *encoder, intel_de_rmw(i915, regs.aud_cntrl_st2, IBX_ELD_VALID(port), 0); - /* Reset ELD address */ - intel_de_rmw(i915, regs.aud_cntl_st, - IBX_ELD_ADDRESS_MASK, 0); - - eld_buffer_size = ilk_eld_buffer_size(i915, pipe); - len = min(drm_eld_size(connector->eld) / 4, eld_buffer_size); - - for (i = 0; i < len; i++) - intel_de_write(i915, regs.hdmiw_hdmiedid, eld[i]); - for (; i < eld_buffer_size; i++) - intel_de_write(i915, regs.hdmiw_hdmiedid, 0); - - drm_WARN_ON(&i915->drm, - (intel_de_read(i915, regs.aud_cntl_st) & IBX_ELD_ADDRESS_MASK) != 0); - - /* ELD valid */ - intel_de_rmw(i915, regs.aud_cntrl_st2, - 0, IBX_ELD_VALID(port)); + /* + * The audio componenent is used to convey the ELD + * instead using of the hardware ELD buffer. + */ /* Enable timestamps */ intel_de_rmw(i915, regs.aud_config, |