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path: root/drivers/gpu/drm/i915/intel_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c352
1 files changed, 10 insertions, 342 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 2c3bd9c2573e..6b52c6accf6a 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1678,35 +1678,12 @@ static void vlv_hdmi_pre_enable(struct intel_encoder *encoder)
struct intel_crtc *intel_crtc =
to_intel_crtc(encoder->base.crtc);
const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode;
- enum dpio_channel port = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
- u32 val;
- /* Enable clock channels for this port */
- mutex_lock(&dev_priv->sb_lock);
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(port));
- val = 0;
- if (pipe)
- val |= (1<<21);
- else
- val &= ~(1<<21);
- val |= 0x001000c4;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW8(port), val);
+ vlv_phy_pre_encoder_enable(encoder);
/* HDMI 1.0V-2dB */
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), 0);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW4(port), 0x2b245f5f);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW2(port), 0x5578b83a);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW3(port), 0x0c782040);
- vlv_dpio_write(dev_priv, pipe, VLV_TX3_DW4(port), 0x2b247878);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW11(port), 0x00030000);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), 0x00002000);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN);
-
- /* Program lane clock */
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW14(port), 0x00760018);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW23(port), 0x00400888);
- mutex_unlock(&dev_priv->sb_lock);
+ vlv_set_phy_signal_level(encoder, 0x2b245f5f, 0x00002000, 0x5578b83a,
+ 0x2b247878);
intel_hdmi->set_infoframes(&encoder->base,
intel_crtc->config->has_hdmi_sink,
@@ -1719,207 +1696,27 @@ static void vlv_hdmi_pre_enable(struct intel_encoder *encoder)
static void vlv_hdmi_pre_pll_enable(struct intel_encoder *encoder)
{
- struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
- struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(encoder->base.crtc);
- enum dpio_channel port = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
-
intel_hdmi_prepare(encoder);
- /* Program Tx lane resets to default */
- mutex_lock(&dev_priv->sb_lock);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port),
- DPIO_PCS_TX_LANE2_RESET |
- DPIO_PCS_TX_LANE1_RESET);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port),
- DPIO_PCS_CLK_CRI_RXEB_EIOS_EN |
- DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN |
- (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) |
- DPIO_PCS_CLK_SOFT_RESET);
-
- /* Fix up inter-pair skew failure */
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
-
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), 0x00002000);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN);
- mutex_unlock(&dev_priv->sb_lock);
-}
-
-static void chv_data_lane_soft_reset(struct intel_encoder *encoder,
- bool reset)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- enum dpio_channel ch = vlv_dport_to_channel(enc_to_dig_port(&encoder->base));
- struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
- enum pipe pipe = crtc->pipe;
- uint32_t val;
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW0(ch));
- if (reset)
- val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET);
- else
- val |= DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW0(ch), val);
-
- if (crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW0(ch));
- if (reset)
- val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET);
- else
- val |= DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW0(ch), val);
- }
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW1(ch));
- val |= CHV_PCS_REQ_SOFTRESET_EN;
- if (reset)
- val &= ~DPIO_PCS_CLK_SOFT_RESET;
- else
- val |= DPIO_PCS_CLK_SOFT_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW1(ch), val);
-
- if (crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW1(ch));
- val |= CHV_PCS_REQ_SOFTRESET_EN;
- if (reset)
- val &= ~DPIO_PCS_CLK_SOFT_RESET;
- else
- val |= DPIO_PCS_CLK_SOFT_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW1(ch), val);
- }
+ vlv_phy_pre_pll_enable(encoder);
}
static void chv_hdmi_pre_pll_enable(struct intel_encoder *encoder)
{
- struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
- struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(encoder->base.crtc);
- enum dpio_channel ch = vlv_dport_to_channel(dport);
- enum pipe pipe = intel_crtc->pipe;
- u32 val;
-
intel_hdmi_prepare(encoder);
- /*
- * Must trick the second common lane into life.
- * Otherwise we can't even access the PLL.
- */
- if (ch == DPIO_CH0 && pipe == PIPE_B)
- dport->release_cl2_override =
- !chv_phy_powergate_ch(dev_priv, DPIO_PHY0, DPIO_CH1, true);
-
- chv_phy_powergate_lanes(encoder, true, 0x0);
-
- mutex_lock(&dev_priv->sb_lock);
-
- /* Assert data lane reset */
- chv_data_lane_soft_reset(encoder, true);
-
- /* program left/right clock distribution */
- if (pipe != PIPE_B) {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0);
- val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK);
- if (ch == DPIO_CH0)
- val |= CHV_BUFLEFTENA1_FORCE;
- if (ch == DPIO_CH1)
- val |= CHV_BUFRIGHTENA1_FORCE;
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val);
- } else {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1);
- val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK);
- if (ch == DPIO_CH0)
- val |= CHV_BUFLEFTENA2_FORCE;
- if (ch == DPIO_CH1)
- val |= CHV_BUFRIGHTENA2_FORCE;
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val);
- }
-
- /* program clock channel usage */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(ch));
- val |= CHV_PCS_USEDCLKCHANNEL_OVRRIDE;
- if (pipe != PIPE_B)
- val &= ~CHV_PCS_USEDCLKCHANNEL;
- else
- val |= CHV_PCS_USEDCLKCHANNEL;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW8(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW8(ch));
- val |= CHV_PCS_USEDCLKCHANNEL_OVRRIDE;
- if (pipe != PIPE_B)
- val &= ~CHV_PCS_USEDCLKCHANNEL;
- else
- val |= CHV_PCS_USEDCLKCHANNEL;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW8(ch), val);
-
- /*
- * This a a bit weird since generally CL
- * matches the pipe, but here we need to
- * pick the CL based on the port.
- */
- val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW19(ch));
- if (pipe != PIPE_B)
- val &= ~CHV_CMN_USEDCLKCHANNEL;
- else
- val |= CHV_CMN_USEDCLKCHANNEL;
- vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW19(ch), val);
-
- mutex_unlock(&dev_priv->sb_lock);
+ chv_phy_pre_pll_enable(encoder);
}
static void chv_hdmi_post_pll_disable(struct intel_encoder *encoder)
{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- enum pipe pipe = to_intel_crtc(encoder->base.crtc)->pipe;
- u32 val;
-
- mutex_lock(&dev_priv->sb_lock);
-
- /* disable left/right clock distribution */
- if (pipe != PIPE_B) {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0);
- val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK);
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val);
- } else {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1);
- val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK);
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val);
- }
-
- mutex_unlock(&dev_priv->sb_lock);
-
- /*
- * Leave the power down bit cleared for at least one
- * lane so that chv_powergate_phy_ch() will power
- * on something when the channel is otherwise unused.
- * When the port is off and the override is removed
- * the lanes power down anyway, so otherwise it doesn't
- * really matter what the state of power down bits is
- * after this.
- */
- chv_phy_powergate_lanes(encoder, false, 0x0);
+ chv_phy_post_pll_disable(encoder);
}
static void vlv_hdmi_post_disable(struct intel_encoder *encoder)
{
- struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
- struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(encoder->base.crtc);
- enum dpio_channel port = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
-
/* Reset lanes to avoid HDMI flicker (VLV w/a) */
- mutex_lock(&dev_priv->sb_lock);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port), 0x00000000);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port), 0x00e00060);
- mutex_unlock(&dev_priv->sb_lock);
+ vlv_phy_reset_lanes(encoder);
}
static void chv_hdmi_post_disable(struct intel_encoder *encoder)
@@ -1944,138 +1741,12 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder)
struct intel_crtc *intel_crtc =
to_intel_crtc(encoder->base.crtc);
const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode;
- enum dpio_channel ch = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
- int data, i, stagger;
- u32 val;
- mutex_lock(&dev_priv->sb_lock);
-
- /* allow hardware to manage TX FIFO reset source */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch));
- val &= ~DPIO_LANEDESKEW_STRAP_OVRD;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch));
- val &= ~DPIO_LANEDESKEW_STRAP_OVRD;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val);
-
- /* Program Tx latency optimal setting */
- for (i = 0; i < 4; i++) {
- /* Set the upar bit */
- data = (i == 1) ? 0x0 : 0x1;
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW14(ch, i),
- data << DPIO_UPAR_SHIFT);
- }
-
- /* Data lane stagger programming */
- if (intel_crtc->config->port_clock > 270000)
- stagger = 0x18;
- else if (intel_crtc->config->port_clock > 135000)
- stagger = 0xd;
- else if (intel_crtc->config->port_clock > 67500)
- stagger = 0x7;
- else if (intel_crtc->config->port_clock > 33750)
- stagger = 0x4;
- else
- stagger = 0x2;
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch));
- val |= DPIO_TX2_STAGGER_MASK(0x1f);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch));
- val |= DPIO_TX2_STAGGER_MASK(0x1f);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val);
-
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW12(ch),
- DPIO_LANESTAGGER_STRAP(stagger) |
- DPIO_LANESTAGGER_STRAP_OVRD |
- DPIO_TX1_STAGGER_MASK(0x1f) |
- DPIO_TX1_STAGGER_MULT(6) |
- DPIO_TX2_STAGGER_MULT(0));
-
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW12(ch),
- DPIO_LANESTAGGER_STRAP(stagger) |
- DPIO_LANESTAGGER_STRAP_OVRD |
- DPIO_TX1_STAGGER_MASK(0x1f) |
- DPIO_TX1_STAGGER_MULT(7) |
- DPIO_TX2_STAGGER_MULT(5));
-
- /* Deassert data lane reset */
- chv_data_lane_soft_reset(encoder, false);
-
- /* Clear calc init */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch));
- val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3);
- val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK);
- val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch));
- val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3);
- val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK);
- val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW9(ch));
- val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK);
- val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW9(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW9(ch));
- val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK);
- val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW9(ch), val);
+ chv_phy_pre_encoder_enable(encoder);
/* FIXME: Program the support xxx V-dB */
/* Use 800mV-0dB */
- for (i = 0; i < 4; i++) {
- val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW4(ch, i));
- val &= ~DPIO_SWING_DEEMPH9P5_MASK;
- val |= 128 << DPIO_SWING_DEEMPH9P5_SHIFT;
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW4(ch, i), val);
- }
-
- for (i = 0; i < 4; i++) {
- val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW2(ch, i));
-
- val &= ~DPIO_SWING_MARGIN000_MASK;
- val |= 102 << DPIO_SWING_MARGIN000_SHIFT;
-
- /*
- * Supposedly this value shouldn't matter when unique transition
- * scale is disabled, but in fact it does matter. Let's just
- * always program the same value and hope it's OK.
- */
- val &= ~(0xff << DPIO_UNIQ_TRANS_SCALE_SHIFT);
- val |= 0x9a << DPIO_UNIQ_TRANS_SCALE_SHIFT;
-
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW2(ch, i), val);
- }
-
- /*
- * The document said it needs to set bit 27 for ch0 and bit 26
- * for ch1. Might be a typo in the doc.
- * For now, for this unique transition scale selection, set bit
- * 27 for ch0 and ch1.
- */
- for (i = 0; i < 4; i++) {
- val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW3(ch, i));
- val &= ~DPIO_TX_UNIQ_TRANS_SCALE_EN;
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW3(ch, i), val);
- }
-
- /* Start swing calculation */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch));
- val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch));
- val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val);
-
- mutex_unlock(&dev_priv->sb_lock);
+ chv_set_phy_signal_level(encoder, 128, 102, false);
intel_hdmi->set_infoframes(&encoder->base,
intel_crtc->config->has_hdmi_sink,
@@ -2086,10 +1757,7 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder)
vlv_wait_port_ready(dev_priv, dport, 0x0);
/* Second common lane will stay alive on its own now */
- if (dport->release_cl2_override) {
- chv_phy_powergate_ch(dev_priv, DPIO_PHY0, DPIO_CH1, false);
- dport->release_cl2_override = false;
- }
+ chv_phy_release_cl2_override(encoder);
}
static void intel_hdmi_destroy(struct drm_connector *connector)
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-06 16:30:27 +0300