summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/display/icl_dsi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/display/icl_dsi.c')
-rw-r--r--drivers/gpu/drm/i915/display/icl_dsi.c185
1 files changed, 112 insertions, 73 deletions
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 74448e6bf749..a42348be0438 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -202,63 +202,62 @@ static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
- enum port port;
+ enum phy phy;
u32 tmp;
int lane;
- for_each_dsi_port(port, intel_dsi->ports) {
-
+ for_each_dsi_phy(phy, intel_dsi->phys) {
/*
* Program voltage swing and pre-emphasis level values as per
* table in BSPEC under DDI buffer programing
*/
- tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port));
+ tmp = I915_READ(ICL_PORT_TX_DW5_LN0(phy));
tmp &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK);
tmp |= SCALING_MODE_SEL(0x2);
tmp |= TAP2_DISABLE | TAP3_DISABLE;
tmp |= RTERM_SELECT(0x6);
- I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), tmp);
- tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port));
+ tmp = I915_READ(ICL_PORT_TX_DW5_AUX(phy));
tmp &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK);
tmp |= SCALING_MODE_SEL(0x2);
tmp |= TAP2_DISABLE | TAP3_DISABLE;
tmp |= RTERM_SELECT(0x6);
- I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW5_AUX(phy), tmp);
- tmp = I915_READ(ICL_PORT_TX_DW2_LN0(port));
+ tmp = I915_READ(ICL_PORT_TX_DW2_LN0(phy));
tmp &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
RCOMP_SCALAR_MASK);
tmp |= SWING_SEL_UPPER(0x2);
tmp |= SWING_SEL_LOWER(0x2);
tmp |= RCOMP_SCALAR(0x98);
- I915_WRITE(ICL_PORT_TX_DW2_GRP(port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW2_GRP(phy), tmp);
- tmp = I915_READ(ICL_PORT_TX_DW2_AUX(port));
+ tmp = I915_READ(ICL_PORT_TX_DW2_AUX(phy));
tmp &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
RCOMP_SCALAR_MASK);
tmp |= SWING_SEL_UPPER(0x2);
tmp |= SWING_SEL_LOWER(0x2);
tmp |= RCOMP_SCALAR(0x98);
- I915_WRITE(ICL_PORT_TX_DW2_AUX(port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW2_AUX(phy), tmp);
- tmp = I915_READ(ICL_PORT_TX_DW4_AUX(port));
+ tmp = I915_READ(ICL_PORT_TX_DW4_AUX(phy));
tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
CURSOR_COEFF_MASK);
tmp |= POST_CURSOR_1(0x0);
tmp |= POST_CURSOR_2(0x0);
tmp |= CURSOR_COEFF(0x3f);
- I915_WRITE(ICL_PORT_TX_DW4_AUX(port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW4_AUX(phy), tmp);
for (lane = 0; lane <= 3; lane++) {
/* Bspec: must not use GRP register for write */
- tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, port));
+ tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, phy));
tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
CURSOR_COEFF_MASK);
tmp |= POST_CURSOR_1(0x0);
tmp |= POST_CURSOR_2(0x0);
tmp |= CURSOR_COEFF(0x3f);
- I915_WRITE(ICL_PORT_TX_DW4_LN(lane, port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW4_LN(lane, phy), tmp);
}
}
}
@@ -364,10 +363,10 @@ static void gen11_dsi_power_up_lanes(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
- enum port port;
+ enum phy phy;
- for_each_dsi_port(port, intel_dsi->ports)
- intel_combo_phy_power_up_lanes(dev_priv, port, true,
+ for_each_dsi_phy(phy, intel_dsi->phys)
+ intel_combo_phy_power_up_lanes(dev_priv, phy, true,
intel_dsi->lane_count, false);
}
@@ -375,34 +374,47 @@ static void gen11_dsi_config_phy_lanes_sequence(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
- enum port port;
+ enum phy phy;
u32 tmp;
int lane;
/* Step 4b(i) set loadgen select for transmit and aux lanes */
- for_each_dsi_port(port, intel_dsi->ports) {
- tmp = I915_READ(ICL_PORT_TX_DW4_AUX(port));
+ for_each_dsi_phy(phy, intel_dsi->phys) {
+ tmp = I915_READ(ICL_PORT_TX_DW4_AUX(phy));
tmp &= ~LOADGEN_SELECT;
- I915_WRITE(ICL_PORT_TX_DW4_AUX(port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW4_AUX(phy), tmp);
for (lane = 0; lane <= 3; lane++) {
- tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, port));
+ tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, phy));
tmp &= ~LOADGEN_SELECT;
if (lane != 2)
tmp |= LOADGEN_SELECT;
- I915_WRITE(ICL_PORT_TX_DW4_LN(lane, port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW4_LN(lane, phy), tmp);
}
}
/* Step 4b(ii) set latency optimization for transmit and aux lanes */
- for_each_dsi_port(port, intel_dsi->ports) {
- tmp = I915_READ(ICL_PORT_TX_DW2_AUX(port));
+ for_each_dsi_phy(phy, intel_dsi->phys) {
+ tmp = I915_READ(ICL_PORT_TX_DW2_AUX(phy));
tmp &= ~FRC_LATENCY_OPTIM_MASK;
tmp |= FRC_LATENCY_OPTIM_VAL(0x5);
- I915_WRITE(ICL_PORT_TX_DW2_AUX(port), tmp);
- tmp = I915_READ(ICL_PORT_TX_DW2_LN0(port));
+ I915_WRITE(ICL_PORT_TX_DW2_AUX(phy), tmp);
+ tmp = I915_READ(ICL_PORT_TX_DW2_LN0(phy));
tmp &= ~FRC_LATENCY_OPTIM_MASK;
tmp |= FRC_LATENCY_OPTIM_VAL(0x5);
- I915_WRITE(ICL_PORT_TX_DW2_GRP(port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW2_GRP(phy), tmp);
+
+ /* For EHL set latency optimization for PCS_DW1 lanes */
+ if (IS_ELKHARTLAKE(dev_priv)) {
+ tmp = I915_READ(ICL_PORT_PCS_DW1_AUX(phy));
+ tmp &= ~LATENCY_OPTIM_MASK;
+ tmp |= LATENCY_OPTIM_VAL(0);
+ I915_WRITE(ICL_PORT_PCS_DW1_AUX(phy), tmp);
+
+ tmp = I915_READ(ICL_PORT_PCS_DW1_LN0(phy));
+ tmp &= ~LATENCY_OPTIM_MASK;
+ tmp |= LATENCY_OPTIM_VAL(0x1);
+ I915_WRITE(ICL_PORT_PCS_DW1_GRP(phy), tmp);
+ }
}
}
@@ -412,16 +424,16 @@ static void gen11_dsi_voltage_swing_program_seq(struct intel_encoder *encoder)
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
u32 tmp;
- enum port port;
+ enum phy phy;
/* clear common keeper enable bit */
- for_each_dsi_port(port, intel_dsi->ports) {
- tmp = I915_READ(ICL_PORT_PCS_DW1_LN0(port));
+ for_each_dsi_phy(phy, intel_dsi->phys) {
+ tmp = I915_READ(ICL_PORT_PCS_DW1_LN0(phy));
tmp &= ~COMMON_KEEPER_EN;
- I915_WRITE(ICL_PORT_PCS_DW1_GRP(port), tmp);
- tmp = I915_READ(ICL_PORT_PCS_DW1_AUX(port));
+ I915_WRITE(ICL_PORT_PCS_DW1_GRP(phy), tmp);
+ tmp = I915_READ(ICL_PORT_PCS_DW1_AUX(phy));
tmp &= ~COMMON_KEEPER_EN;
- I915_WRITE(ICL_PORT_PCS_DW1_AUX(port), tmp);
+ I915_WRITE(ICL_PORT_PCS_DW1_AUX(phy), tmp);
}
/*
@@ -429,33 +441,33 @@ static void gen11_dsi_voltage_swing_program_seq(struct intel_encoder *encoder)
* Note: loadgen select program is done
* as part of lane phy sequence configuration
*/
- for_each_dsi_port(port, intel_dsi->ports) {
- tmp = I915_READ(ICL_PORT_CL_DW5(port));
+ for_each_dsi_phy(phy, intel_dsi->phys) {
+ tmp = I915_READ(ICL_PORT_CL_DW5(phy));
tmp |= SUS_CLOCK_CONFIG;
- I915_WRITE(ICL_PORT_CL_DW5(port), tmp);
+ I915_WRITE(ICL_PORT_CL_DW5(phy), tmp);
}
/* Clear training enable to change swing values */
- for_each_dsi_port(port, intel_dsi->ports) {
- tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port));
+ for_each_dsi_phy(phy, intel_dsi->phys) {
+ tmp = I915_READ(ICL_PORT_TX_DW5_LN0(phy));
tmp &= ~TX_TRAINING_EN;
- I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp);
- tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port));
+ I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), tmp);
+ tmp = I915_READ(ICL_PORT_TX_DW5_AUX(phy));
tmp &= ~TX_TRAINING_EN;
- I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW5_AUX(phy), tmp);
}
/* Program swing and de-emphasis */
dsi_program_swing_and_deemphasis(encoder);
/* Set training enable to trigger update */
- for_each_dsi_port(port, intel_dsi->ports) {
- tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port));
+ for_each_dsi_phy(phy, intel_dsi->phys) {
+ tmp = I915_READ(ICL_PORT_TX_DW5_LN0(phy));
tmp |= TX_TRAINING_EN;
- I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp);
- tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port));
+ I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), tmp);
+ tmp = I915_READ(ICL_PORT_TX_DW5_AUX(phy));
tmp |= TX_TRAINING_EN;
- I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp);
+ I915_WRITE(ICL_PORT_TX_DW5_AUX(phy), tmp);
}
}
@@ -484,6 +496,7 @@ static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder)
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
u32 tmp;
enum port port;
+ enum phy phy;
/* Program T-INIT master registers */
for_each_dsi_port(port, intel_dsi->ports) {
@@ -531,6 +544,14 @@ static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder)
I915_WRITE(DSI_TA_TIMING_PARAM(port), tmp);
}
}
+
+ if (IS_ELKHARTLAKE(dev_priv)) {
+ for_each_dsi_phy(phy, intel_dsi->phys) {
+ tmp = I915_READ(ICL_DPHY_CHKN(phy));
+ tmp |= ICL_DPHY_CHKN_AFE_OVER_PPI_STRAP;
+ I915_WRITE(ICL_DPHY_CHKN(phy), tmp);
+ }
+ }
}
static void gen11_dsi_gate_clocks(struct intel_encoder *encoder)
@@ -538,15 +559,14 @@ static void gen11_dsi_gate_clocks(struct intel_encoder *encoder)
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
u32 tmp;
- enum port port;
+ enum phy phy;
mutex_lock(&dev_priv->dpll_lock);
- tmp = I915_READ(DPCLKA_CFGCR0_ICL);
- for_each_dsi_port(port, intel_dsi->ports) {
- tmp |= DPCLKA_CFGCR0_DDI_CLK_OFF(port);
- }
+ tmp = I915_READ(ICL_DPCLKA_CFGCR0);
+ for_each_dsi_phy(phy, intel_dsi->phys)
+ tmp |= ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy);
- I915_WRITE(DPCLKA_CFGCR0_ICL, tmp);
+ I915_WRITE(ICL_DPCLKA_CFGCR0, tmp);
mutex_unlock(&dev_priv->dpll_lock);
}
@@ -555,15 +575,14 @@ static void gen11_dsi_ungate_clocks(struct intel_encoder *encoder)
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
u32 tmp;
- enum port port;
+ enum phy phy;
mutex_lock(&dev_priv->dpll_lock);
- tmp = I915_READ(DPCLKA_CFGCR0_ICL);
- for_each_dsi_port(port, intel_dsi->ports) {
- tmp &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port);
- }
+ tmp = I915_READ(ICL_DPCLKA_CFGCR0);
+ for_each_dsi_phy(phy, intel_dsi->phys)
+ tmp &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy);
- I915_WRITE(DPCLKA_CFGCR0_ICL, tmp);
+ I915_WRITE(ICL_DPCLKA_CFGCR0, tmp);
mutex_unlock(&dev_priv->dpll_lock);
}
@@ -573,24 +592,24 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder,
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
struct intel_shared_dpll *pll = crtc_state->shared_dpll;
- enum port port;
+ enum phy phy;
u32 val;
mutex_lock(&dev_priv->dpll_lock);
- val = I915_READ(DPCLKA_CFGCR0_ICL);
- for_each_dsi_port(port, intel_dsi->ports) {
- val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port);
- val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port);
+ val = I915_READ(ICL_DPCLKA_CFGCR0);
+ for_each_dsi_phy(phy, intel_dsi->phys) {
+ val &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy);
+ val |= ICL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy);
}
- I915_WRITE(DPCLKA_CFGCR0_ICL, val);
+ I915_WRITE(ICL_DPCLKA_CFGCR0, val);
- for_each_dsi_port(port, intel_dsi->ports) {
- val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port);
+ for_each_dsi_phy(phy, intel_dsi->phys) {
+ val &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy);
}
- I915_WRITE(DPCLKA_CFGCR0_ICL, val);
+ I915_WRITE(ICL_DPCLKA_CFGCR0, val);
- POSTING_READ(DPCLKA_CFGCR0_ICL);
+ POSTING_READ(ICL_DPCLKA_CFGCR0);
mutex_unlock(&dev_priv->dpll_lock);
}
@@ -744,7 +763,7 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder,
enum transcoder dsi_trans;
/* horizontal timings */
u16 htotal, hactive, hsync_start, hsync_end, hsync_size;
- u16 hfront_porch, hback_porch;
+ u16 hback_porch;
/* vertical timings */
u16 vtotal, vactive, vsync_start, vsync_end, vsync_shift;
@@ -753,8 +772,6 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder,
hsync_start = adjusted_mode->crtc_hsync_start;
hsync_end = adjusted_mode->crtc_hsync_end;
hsync_size = hsync_end - hsync_start;
- hfront_porch = (adjusted_mode->crtc_hsync_start -
- adjusted_mode->crtc_hdisplay);
hback_porch = (adjusted_mode->crtc_htotal -
adjusted_mode->crtc_hsync_end);
vactive = adjusted_mode->crtc_vdisplay;
@@ -1487,6 +1504,26 @@ static void icl_dphy_param_init(struct intel_dsi *intel_dsi)
intel_dsi_log_params(intel_dsi);
}
+static void icl_dsi_add_properties(struct intel_connector *connector)
+{
+ u32 allowed_scalers;
+
+ allowed_scalers = BIT(DRM_MODE_SCALE_ASPECT) |
+ BIT(DRM_MODE_SCALE_FULLSCREEN) |
+ BIT(DRM_MODE_SCALE_CENTER);
+
+ drm_connector_attach_scaling_mode_property(&connector->base,
+ allowed_scalers);
+
+ connector->base.state->scaling_mode = DRM_MODE_SCALE_ASPECT;
+
+ connector->base.display_info.panel_orientation =
+ intel_dsi_get_panel_orientation(connector);
+ drm_connector_init_panel_orientation_property(&connector->base,
+ connector->panel.fixed_mode->hdisplay,
+ connector->panel.fixed_mode->vdisplay);
+}
+
void icl_dsi_init(struct drm_i915_private *dev_priv)
{
struct drm_device *dev = &dev_priv->drm;
@@ -1580,6 +1617,8 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
}
icl_dphy_param_init(intel_dsi);
+
+ icl_dsi_add_properties(intel_connector);
return;
err:
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-06 09:15:56 +0000