Recent RE efforts revealed ops performed by fglrx during HDMI setup. This mostly adds masks to r/w ops plus few single missing bits.
This has been tested for possible regressions on: 1) DCE2 D2400 (RV610) 2) DCE3 HD3470 (RV620)
For a reference and details see: https://bugzilla.kernel.org/show_bug.cgi?id=76231
Signed-off-by: Rafał Miłecki zajec5@gmail.com --- drivers/gpu/drm/radeon/r600_hdmi.c | 113 ++++++++++++++++++++++++------------- 1 file changed, 75 insertions(+), 38 deletions(-)
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index d4c13a0..8c36587 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -142,14 +142,26 @@ void r600_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t clock) struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; uint32_t offset = dig->afmt->offset;
- WREG32(HDMI0_ACR_32_0 + offset, HDMI0_ACR_CTS_32(acr.cts_32khz)); - WREG32(HDMI0_ACR_32_1 + offset, acr.n_32khz); - - WREG32(HDMI0_ACR_44_0 + offset, HDMI0_ACR_CTS_44(acr.cts_44_1khz)); - WREG32(HDMI0_ACR_44_1 + offset, acr.n_44_1khz); - - WREG32(HDMI0_ACR_48_0 + offset, HDMI0_ACR_CTS_48(acr.cts_48khz)); - WREG32(HDMI0_ACR_48_1 + offset, acr.n_48khz); + WREG32_P(HDMI0_ACR_32_0 + offset, + HDMI0_ACR_CTS_32(acr.cts_32khz), + ~HDMI0_ACR_CTS_32_MASK); + WREG32_P(HDMI0_ACR_32_1 + offset, + HDMI0_ACR_N_32(acr.n_32khz), + ~HDMI0_ACR_N_32_MASK); + + WREG32_P(HDMI0_ACR_44_0 + offset, + HDMI0_ACR_CTS_44(acr.cts_44_1khz), + ~HDMI0_ACR_CTS_44_MASK); + WREG32_P(HDMI0_ACR_44_1 + offset, + HDMI0_ACR_N_44(acr.n_44_1khz), + ~HDMI0_ACR_N_44_MASK); + + WREG32_P(HDMI0_ACR_48_0 + offset, + HDMI0_ACR_CTS_48(acr.cts_48khz), + ~HDMI0_ACR_CTS_48_MASK); + WREG32_P(HDMI0_ACR_48_1 + offset, + HDMI0_ACR_N_48(acr.n_48khz), + ~HDMI0_ACR_N_48_MASK); }
/* @@ -349,38 +361,42 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod
r600_audio_set_dto(encoder, mode->clock);
- WREG32(HDMI0_VBI_PACKET_CONTROL + offset, - HDMI0_NULL_SEND); /* send null packets when required */ - - WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset, - HDMI0_AUDIO_SAMPLE_SEND | /* send audio packets */ - HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */ - HDMI0_AUDIO_PACKETS_PER_LINE(3) | /* should be suffient for all audio modes and small enough for all hblanks */ - HDMI0_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */ + WREG32_P(HDMI0_AUDIO_PACKET_CONTROL + offset, + HDMI0_AUDIO_SAMPLE_SEND | /* send audio packets */ + HDMI0_AUDIO_DELAY_EN(1) | /* default audio delay */ + HDMI0_AUDIO_PACKETS_PER_LINE(3) | /* should be suffient for all audio modes and small enough for all hblanks */ + HDMI0_60958_CS_UPDATE, /* allow 60958 channel status fields to be updated */ + ~(HDMI0_AUDIO_SAMPLE_SEND | + HDMI0_AUDIO_DELAY_EN_MASK | + HDMI0_AUDIO_PACKETS_PER_LINE_MASK | + HDMI0_60958_CS_UPDATE));
- /* DCE 3.0 uses register that's normally for CRC_CONTROL */ acr_ctl = ASIC_IS_DCE3(rdev) ? 0x740c : HDMI0_ACR_PACKET_CONTROL; - WREG32(acr_ctl + offset, - HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw CTS works on all families */ - HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ - - WREG32(HDMI0_VBI_PACKET_CONTROL + offset, - HDMI0_NULL_SEND | /* send null packets when required */ - HDMI0_GC_SEND | /* send general control packets */ - HDMI0_GC_CONT); /* send general control packets every frame */ - - /* TODO: HDMI0_AUDIO_INFO_UPDATE */ - WREG32(HDMI0_INFOFRAME_CONTROL0 + offset, - HDMI0_AVI_INFO_SEND | /* enable AVI info frames */ - HDMI0_AVI_INFO_CONT | /* send AVI info frames every frame/field */ - HDMI0_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */ - HDMI0_AUDIO_INFO_CONT); /* send audio info frames every frame/field */ - - WREG32(HDMI0_INFOFRAME_CONTROL1 + offset, - HDMI0_AVI_INFO_LINE(2) | /* anything other than 0 */ - HDMI0_AUDIO_INFO_LINE(2)); /* anything other than 0 */ - - WREG32(HDMI0_GC + offset, 0); /* unset HDMI0_GC_AVMUTE */ + WREG32_P(acr_ctl + offset, + HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw CTS works on all families */ + HDMI0_ACR_AUTO_SEND, /* allow hw to sent ACR packets when required */ + ~(HDMI0_ACR_SOURCE | + HDMI0_ACR_AUTO_SEND)); + + WREG32_OR(HDMI0_VBI_PACKET_CONTROL + offset, + HDMI0_NULL_SEND | /* send null packets when required */ + HDMI0_GC_SEND | /* send general control packets */ + HDMI0_GC_CONT); /* send general control packets every frame */ + + WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset, + HDMI0_AVI_INFO_SEND | /* enable AVI info frames */ + HDMI0_AVI_INFO_CONT | /* send AVI info frames every frame/field */ + HDMI0_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */ + HDMI0_AUDIO_INFO_UPDATE); /* required for audio info values to be updated */ + + WREG32_P(HDMI0_INFOFRAME_CONTROL1 + offset, + HDMI0_AVI_INFO_LINE(2) | /* anything other than 0 */ + HDMI0_AUDIO_INFO_LINE(2), /* anything other than 0 */ + ~(HDMI0_AVI_INFO_LINE_MASK | + HDMI0_AUDIO_INFO_LINE_MASK)); + + WREG32_AND(HDMI0_GC + offset, + ~HDMI0_GC_AVMUTE); /* unset HDMI0_GC_AVMUTE */
err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); if (err < 0) { @@ -395,8 +411,29 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod }
r600_hdmi_update_avi_infoframe(encoder, buffer, sizeof(buffer)); + + /* fglrx duplicates INFOFRAME_CONTROL0 & INFOFRAME_CONTROL1 ops here */ + + WREG32_AND(HDMI0_GENERIC_PACKET_CONTROL + offset, + ~(HDMI0_GENERIC0_SEND | + HDMI0_GENERIC0_CONT | + HDMI0_GENERIC0_UPDATE | + HDMI0_GENERIC1_SEND | + HDMI0_GENERIC1_CONT | + HDMI0_GENERIC0_LINE_MASK | + HDMI0_GENERIC1_LINE_MASK)); + r600_hdmi_update_ACR(encoder, mode->clock);
+ WREG32_P(HDMI0_60958_0 + offset, + HDMI0_60958_CS_CHANNEL_NUMBER_L(1), + ~(HDMI0_60958_CS_CHANNEL_NUMBER_L_MASK | + HDMI0_60958_CS_CLOCK_ACCURACY_MASK)); + + WREG32_P(HDMI0_60958_1 + offset, + HDMI0_60958_CS_CHANNEL_NUMBER_R(2), + ~HDMI0_60958_CS_CHANNEL_NUMBER_R_MASK); + /* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */ WREG32(HDMI0_RAMP_CONTROL0 + offset, 0x00FFFFFF); WREG32(HDMI0_RAMP_CONTROL1 + offset, 0x007FFFFF);