From 176597a12d61709727d1639836e5d68a6e7c437b Mon Sep 17 00:00:00 2001
From: Mahesh Kumar <mahesh1.kumar@intel.com>
Date: Thu, 4 Oct 2018 14:20:43 +0530
Subject: drm/i915/icl: create function to identify combophy port
Git-commit: 176597a12d61709727d1639836e5d68a6e7c437b
Patch-mainline: v5.0-rc1
References: bsc#1113956
This patch creates a function/wrapper to check if port is combophy port
instead of explicitly comparing ports.
Changes since V1:
- keep all intel_port_is_* helper together (Lucas)
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004085043.10154-1-mahesh1.kumar@intel.com
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/i915/intel_ddi.c | 15 ++++++++-------
drivers/gpu/drm/i915/intel_display.c | 11 +++++++++++
drivers/gpu/drm/i915/intel_drv.h | 1 +
3 files changed, 20 insertions(+), 7 deletions(-)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -916,7 +916,7 @@ static int intel_ddi_hdmi_level(struct d
level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift;
if (IS_ICELAKE(dev_priv)) {
- if (port == PORT_A || port == PORT_B)
+ if (intel_port_is_combophy(dev_priv, port))
icl_get_combo_buf_trans(dev_priv, port,
INTEL_OUTPUT_HDMI, &n_entries);
else
@@ -1460,7 +1460,7 @@ static void icl_ddi_clock_get(struct int
uint32_t pll_id;
pll_id = intel_get_shared_dpll_id(dev_priv, pipe_config->shared_dpll);
- if (port == PORT_A || port == PORT_B) {
+ if (intel_port_is_combophy(dev_priv, port)) {
if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_HDMI))
link_clock = cnl_calc_wrpll_link(dev_priv, pll_id);
else
@@ -2158,7 +2158,7 @@ u8 intel_ddi_dp_voltage_max(struct intel
int n_entries;
if (IS_ICELAKE(dev_priv)) {
- if (port == PORT_A || port == PORT_B)
+ if (intel_port_is_combophy(dev_priv, port))
icl_get_combo_buf_trans(dev_priv, port, encoder->type,
&n_entries);
else
@@ -2592,9 +2592,10 @@ static void icl_ddi_vswing_sequence(stru
u32 level,
enum intel_output_type type)
{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
enum port port = encoder->port;
- if (port == PORT_A || port == PORT_B)
+ if (intel_port_is_combophy(dev_priv, port))
icl_combo_phy_ddi_vswing_sequence(encoder, level, type);
else
icl_mg_phy_ddi_vswing_sequence(encoder, link_clock, level);
@@ -2680,7 +2681,7 @@ void icl_map_plls_to_ports(struct drm_cr
val = I915_READ(DPCLKA_CFGCR0_ICL);
WARN_ON((val & DPCLKA_CFGCR0_DDI_CLK_OFF(port)) == 0);
- if (port == PORT_A || port == PORT_B) {
+ if (intel_port_is_combophy(dev_priv, port)) {
val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port);
val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port);
I915_WRITE(DPCLKA_CFGCR0_ICL, val);
@@ -2733,7 +2734,7 @@ static void intel_ddi_clk_select(struct
mutex_lock(&dev_priv->dpll_lock);
if (IS_ICELAKE(dev_priv)) {
- if (port >= PORT_C)
+ if (!intel_port_is_combophy(dev_priv, port))
I915_WRITE(DDI_CLK_SEL(port),
icl_pll_to_ddi_pll_sel(encoder, pll));
} else if (IS_CANNONLAKE(dev_priv)) {
@@ -2775,7 +2776,7 @@ static void intel_ddi_clk_disable(struct
enum port port = encoder->port;
if (IS_ICELAKE(dev_priv)) {
- if (port >= PORT_C)
+ if (!intel_port_is_combophy(dev_priv, port))
I915_WRITE(DDI_CLK_SEL(port), DDI_CLK_SEL_NONE);
} else if (IS_CANNONLAKE(dev_priv)) {
I915_WRITE(DPCLKA_CFGCR0, I915_READ(DPCLKA_CFGCR0) |
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5899,6 +5899,17 @@ static void i9xx_pfit_enable(struct inte
I915_WRITE(BCLRPAT(crtc->pipe), 0);
}
+bool intel_port_is_combophy(struct drm_i915_private *dev_priv, enum port port)
+{
+ if (port == PORT_NONE)
+ return false;
+
+ if (IS_ICELAKE(dev_priv))
+ return port <= PORT_B;
+
+ return false;
+}
+
bool intel_port_is_tc(struct drm_i915_private *dev_priv, enum port port)
{
if (IS_ICELAKE(dev_priv))
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1507,6 +1507,7 @@ void intel_connector_attach_encoder(stru
struct intel_encoder *encoder);
struct drm_display_mode *
intel_encoder_current_mode(struct intel_encoder *encoder);
+bool intel_port_is_combophy(struct drm_i915_private *dev_priv, enum port port);
bool intel_port_is_tc(struct drm_i915_private *dev_priv, enum port port);
enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv,
enum port port);