Thanks to advanced RE of fglrx we finally know what exactly needs to be handled of AFMT change.
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 | 82 ++++++++++---------------------------- drivers/gpu/drm/radeon/r600d.h | 15 +++++++ 2 files changed, 37 insertions(+), 60 deletions(-)
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index 8c36587..033a88d 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -440,14 +440,16 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod WREG32(HDMI0_RAMP_CONTROL2 + offset, 0x00000001); WREG32(HDMI0_RAMP_CONTROL3 + offset, 0x00000001);
- r600_hdmi_audio_workaround(encoder); - /* enable audio after to setting up hw */ r600_audio_enable(rdev, dig->afmt->pin, true); }
-/* - * update settings with current parameters from audio engine +/** + * r600_hdmi_update_audio_settings - Update audio infoframe + * + * @encoder: drm encoder + * + * Gets info about current audio stream and updates audio infoframe. */ void r600_hdmi_update_audio_settings(struct drm_encoder *encoder) { @@ -459,7 +461,7 @@ void r600_hdmi_update_audio_settings(struct drm_encoder *encoder) uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE]; struct hdmi_audio_infoframe frame; uint32_t offset; - uint32_t iec; + uint32_t value; ssize_t err;
if (!dig->afmt || !dig->afmt->enabled) @@ -472,60 +474,6 @@ void r600_hdmi_update_audio_settings(struct drm_encoder *encoder) DRM_DEBUG("0x%02X IEC60958 status bits and 0x%02X category code\n", (int)audio.status_bits, (int)audio.category_code);
- iec = 0; - if (audio.status_bits & AUDIO_STATUS_PROFESSIONAL) - iec |= 1 << 0; - if (audio.status_bits & AUDIO_STATUS_NONAUDIO) - iec |= 1 << 1; - if (audio.status_bits & AUDIO_STATUS_COPYRIGHT) - iec |= 1 << 2; - if (audio.status_bits & AUDIO_STATUS_EMPHASIS) - iec |= 1 << 3; - - iec |= HDMI0_60958_CS_CATEGORY_CODE(audio.category_code); - - switch (audio.rate) { - case 32000: - iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x3); - break; - case 44100: - iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x0); - break; - case 48000: - iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x2); - break; - case 88200: - iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0x8); - break; - case 96000: - iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0xa); - break; - case 176400: - iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0xc); - break; - case 192000: - iec |= HDMI0_60958_CS_SAMPLING_FREQUENCY(0xe); - break; - } - - WREG32(HDMI0_60958_0 + offset, iec); - - iec = 0; - switch (audio.bits_per_sample) { - case 16: - iec |= HDMI0_60958_CS_WORD_LENGTH(0x2); - break; - case 20: - iec |= HDMI0_60958_CS_WORD_LENGTH(0x3); - break; - case 24: - iec |= HDMI0_60958_CS_WORD_LENGTH(0xb); - break; - } - if (audio.status_bits & AUDIO_STATUS_V) - iec |= 0x5 << 16; - WREG32_P(HDMI0_60958_1 + offset, iec, ~0x5000f); - err = hdmi_audio_infoframe_init(&frame); if (err < 0) { DRM_ERROR("failed to setup audio infoframe\n"); @@ -540,8 +488,22 @@ void r600_hdmi_update_audio_settings(struct drm_encoder *encoder) return; }
+ value = RREG32(HDMI0_AUDIO_PACKET_CONTROL + offset); + if (value & HDMI0_AUDIO_TEST_EN) + WREG32(HDMI0_AUDIO_PACKET_CONTROL + offset, + value & ~HDMI0_AUDIO_TEST_EN); + + WREG32_OR(HDMI0_CONTROL + offset, + HDMI0_ERROR_ACK); + + WREG32_AND(HDMI0_INFOFRAME_CONTROL0 + offset, + ~HDMI0_AUDIO_INFO_SOURCE); + r600_hdmi_update_audio_infoframe(encoder, buffer, sizeof(buffer)); - r600_hdmi_audio_workaround(encoder); + + WREG32_OR(HDMI0_INFOFRAME_CONTROL0 + offset, + HDMI0_AUDIO_INFO_CONT | + HDMI0_AUDIO_INFO_UPDATE); }
/* diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index 37455f6..b140c93 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -1029,9 +1029,11 @@ #define HDMI0_AUDIO_PACKET_CONTROL 0x7408 # define HDMI0_AUDIO_SAMPLE_SEND (1 << 0) # define HDMI0_AUDIO_DELAY_EN(x) (((x) & 3) << 4) +# define HDMI0_AUDIO_DELAY_EN_MASK (3 << 4) # define HDMI0_AUDIO_SEND_MAX_PACKETS (1 << 8) # define HDMI0_AUDIO_TEST_EN (1 << 12) # define HDMI0_AUDIO_PACKETS_PER_LINE(x) (((x) & 0x1f) << 16) +# define HDMI0_AUDIO_PACKETS_PER_LINE_MASK (0x1f << 16) # define HDMI0_AUDIO_CHANNEL_SWAP (1 << 24) # define HDMI0_60958_CS_UPDATE (1 << 26) # define HDMI0_AZ_FORMAT_WTRIG_MASK (1 << 28) @@ -1054,7 +1056,9 @@ # define HDMI0_MPEG_INFO_UPDATE (1 << 10) #define HDMI0_INFOFRAME_CONTROL1 0x7418 # define HDMI0_AVI_INFO_LINE(x) (((x) & 0x3f) << 0) +# define HDMI0_AVI_INFO_LINE_MASK (0x3f << 0) # define HDMI0_AUDIO_INFO_LINE(x) (((x) & 0x3f) << 8) +# define HDMI0_AUDIO_INFO_LINE_MASK (0x3f << 8) # define HDMI0_MPEG_INFO_LINE(x) (((x) & 0x3f) << 16) #define HDMI0_GENERIC_PACKET_CONTROL 0x741c # define HDMI0_GENERIC0_SEND (1 << 0) @@ -1063,7 +1067,9 @@ # define HDMI0_GENERIC1_SEND (1 << 4) # define HDMI0_GENERIC1_CONT (1 << 5) # define HDMI0_GENERIC0_LINE(x) (((x) & 0x3f) << 16) +# define HDMI0_GENERIC0_LINE_MASK (0x3f << 16) # define HDMI0_GENERIC1_LINE(x) (((x) & 0x3f) << 24) +# define HDMI0_GENERIC1_LINE_MASK (0x3f << 24) #define HDMI0_GC 0x7428 # define HDMI0_GC_AVMUTE (1 << 0) #define HDMI0_AVI_INFO0 0x7454 @@ -1119,16 +1125,22 @@ #define HDMI0_GENERIC1_6 0x74a8 #define HDMI0_ACR_32_0 0x74ac # define HDMI0_ACR_CTS_32(x) (((x) & 0xfffff) << 12) +# define HDMI0_ACR_CTS_32_MASK (0xfffff << 12) #define HDMI0_ACR_32_1 0x74b0 # define HDMI0_ACR_N_32(x) (((x) & 0xfffff) << 0) +# define HDMI0_ACR_N_32_MASK (0xfffff << 0) #define HDMI0_ACR_44_0 0x74b4 # define HDMI0_ACR_CTS_44(x) (((x) & 0xfffff) << 12) +# define HDMI0_ACR_CTS_44_MASK (0xfffff << 12) #define HDMI0_ACR_44_1 0x74b8 # define HDMI0_ACR_N_44(x) (((x) & 0xfffff) << 0) +# define HDMI0_ACR_N_44_MASK (0xfffff << 0) #define HDMI0_ACR_48_0 0x74bc # define HDMI0_ACR_CTS_48(x) (((x) & 0xfffff) << 12) +# define HDMI0_ACR_CTS_48_MASK (0xfffff << 12) #define HDMI0_ACR_48_1 0x74c0 # define HDMI0_ACR_N_48(x) (((x) & 0xfffff) << 0) +# define HDMI0_ACR_N_48_MASK (0xfffff << 0) #define HDMI0_ACR_STATUS_0 0x74c4 #define HDMI0_ACR_STATUS_1 0x74c8 #define HDMI0_AUDIO_INFO0 0x74cc @@ -1148,14 +1160,17 @@ # define HDMI0_60958_CS_CATEGORY_CODE(x) (((x) & 0xff) << 8) # define HDMI0_60958_CS_SOURCE_NUMBER(x) (((x) & 0xf) << 16) # define HDMI0_60958_CS_CHANNEL_NUMBER_L(x) (((x) & 0xf) << 20) +# define HDMI0_60958_CS_CHANNEL_NUMBER_L_MASK (0xf << 20) # define HDMI0_60958_CS_SAMPLING_FREQUENCY(x) (((x) & 0xf) << 24) # define HDMI0_60958_CS_CLOCK_ACCURACY(x) (((x) & 3) << 28) +# define HDMI0_60958_CS_CLOCK_ACCURACY_MASK (3 << 28) #define HDMI0_60958_1 0x74d8 # define HDMI0_60958_CS_WORD_LENGTH(x) (((x) & 0xf) << 0) # define HDMI0_60958_CS_ORIGINAL_SAMPLING_FREQUENCY(x) (((x) & 0xf) << 4) # define HDMI0_60958_CS_VALID_L(x) (((x) & 1) << 16) # define HDMI0_60958_CS_VALID_R(x) (((x) & 1) << 18) # define HDMI0_60958_CS_CHANNEL_NUMBER_R(x) (((x) & 0xf) << 20) +# define HDMI0_60958_CS_CHANNEL_NUMBER_R_MASK (0xf << 20) #define HDMI0_ACR_PACKET_CONTROL 0x74dc # define HDMI0_ACR_SEND (1 << 0) # define HDMI0_ACR_CONT (1 << 1)