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drm/radeon/kms/hdmi: clean&improve handling HDMI mode 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Rafał Miłecki 2012-04-30 15:44:53 +02:00 committed by Dave Airlie
parent a273a903bf
commit 64fb4fb0e4
1 changed files with 27 additions and 15 deletions
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42
drivers/gpu/drm/radeon/r600_hdmi.c
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@ -493,6 +493,7 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
uint32_t offset;
u32 hdmi;
if (ASIC_IS_DCE5(rdev))
return;
@ -507,26 +508,34 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
}
offset = radeon_encoder->hdmi_offset;
if (ASIC_IS_DCE5(rdev)) {
/* TODO */
} else if (ASIC_IS_DCE3(rdev)) {
/* TODO */
} else if (rdev->family >= CHIP_R600) {
/* Older chipsets require setting HDMI and routing manually */
if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
hdmi = HDMI0_ERROR_ACK | HDMI0_ENABLE;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
WREG32_P(AVIVO_TMDSA_CNTL, AVIVO_TMDSA_CNTL_HDMI_EN,
~AVIVO_TMDSA_CNTL_HDMI_EN);
WREG32(HDMI0_CONTROL + offset, 0x101);
hdmi |= HDMI0_STREAM(HDMI0_STREAM_TMDSA);
break;
case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
WREG32_P(AVIVO_LVTMA_CNTL, AVIVO_LVTMA_CNTL_HDMI_EN,
~AVIVO_LVTMA_CNTL_HDMI_EN);
WREG32(HDMI0_CONTROL + offset, 0x105);
hdmi |= HDMI0_STREAM(HDMI0_STREAM_LVTMA);
break;
case ENCODER_OBJECT_ID_INTERNAL_DDI:
WREG32_P(DDIA_CNTL, DDIA_HDMI_EN, ~DDIA_HDMI_EN);
hdmi |= HDMI0_STREAM(HDMI0_STREAM_DDIA);
break;
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
hdmi |= HDMI0_STREAM(HDMI0_STREAM_DVOA);
break;
default:
dev_err(rdev->dev, "Unknown HDMI output type\n");
dev_err(rdev->dev, "Invalid encoder for HDMI: 0x%X\n",
radeon_encoder->encoder_id);
break;
}
WREG32(HDMI0_CONTROL + offset, hdmi);
}
if (rdev->irq.installed) {
@ -565,25 +574,28 @@ void r600_hdmi_disable(struct drm_encoder *encoder)
rdev->irq.afmt[offset == 0 ? 0 : 1] = false;
radeon_irq_set(rdev);
if (ASIC_IS_DCE5(rdev)) {
/* TODO */
} else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
/* Older chipsets not handled by AtomBIOS */
if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
WREG32_P(AVIVO_TMDSA_CNTL, 0,
~AVIVO_TMDSA_CNTL_HDMI_EN);
WREG32(HDMI0_CONTROL + offset, 0);
break;
case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
WREG32_P(AVIVO_LVTMA_CNTL, 0,
~AVIVO_LVTMA_CNTL_HDMI_EN);
WREG32(HDMI0_CONTROL + offset, 0);
break;
case ENCODER_OBJECT_ID_INTERNAL_DDI:
WREG32_P(DDIA_CNTL, 0, ~DDIA_HDMI_EN);
break;
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
break;
default:
dev_err(rdev->dev, "Unknown HDMI output type\n");
dev_err(rdev->dev, "Invalid encoder for HDMI: 0x%X\n",
radeon_encoder->encoder_id);
break;
}
WREG32(HDMI0_CONTROL + offset, HDMI0_ERROR_ACK);
}
radeon_encoder->hdmi_enabled = false;