Signed-off-by: Khaled Almahallawy <khaled.almahall...@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srini...@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 40 ++++++++++++++++++++++++++-------
1 file changed, 32 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
b/drivers/gpu/drm/i915/display/intel_dp.c
index 7223367171d1..44663e8ac9a1 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5470,22 +5470,32 @@ intel_dp_autotest_phy_ddi_disable(struct intel_dp
*intel_dp)
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crtc *crtc = to_intel_crtc(intel_dig_port->base.base.crtc);
enum pipe pipe = crtc->pipe;
- u32 trans_ddi_func_ctl_value, trans_conf_value, dp_tp_ctl_value;
+ u32 trans_ddi_func_ctl_value, trans_conf_value, dp_tp_ctl_value,
trans_ddi_port_mask;
+ enum port port = intel_dig_port->base.port;
+ i915_reg_t dp_tp_reg;
+
+ if (IS_ELKHARTLAKE(dev_priv)) {
+ dp_tp_reg = DP_TP_CTL(port);
+ trans_ddi_port_mask = TRANS_DDI_PORT_MASK;
+ } else if (IS_TIGERLAKE(dev_priv)) {
+ dp_tp_reg = TGL_DP_TP_CTL(pipe);
+ trans_ddi_port_mask = TGL_TRANS_DDI_PORT_MASK;
+ }
trans_ddi_func_ctl_value = intel_de_read(dev_priv,
TRANS_DDI_FUNC_CTL(pipe));
trans_conf_value = intel_de_read(dev_priv, PIPECONF(pipe));
- dp_tp_ctl_value = intel_de_read(dev_priv, TGL_DP_TP_CTL(pipe));
+ dp_tp_ctl_value = intel_de_read(dev_priv, dp_tp_reg);
trans_ddi_func_ctl_value &= ~(TRANS_DDI_FUNC_ENABLE |
- TGL_TRANS_DDI_PORT_MASK);
+ trans_ddi_port_mask);
trans_conf_value &= ~PIPECONF_ENABLE;
dp_tp_ctl_value &= ~DP_TP_CTL_ENABLE;
intel_de_write(dev_priv, PIPECONF(pipe), trans_conf_value);
intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(pipe),
trans_ddi_func_ctl_value);
- intel_de_write(dev_priv, TGL_DP_TP_CTL(pipe), dp_tp_ctl_value);
+ intel_de_write(dev_priv, dp_tp_reg, dp_tp_ctl_value);
}
static void
@@ -5497,20 +5507,28 @@ intel_dp_autotest_phy_ddi_enable(struct intel_dp
*intel_dp, uint8_t lane_cnt)
enum port port = intel_dig_port->base.port;
struct intel_crtc *crtc = to_intel_crtc(intel_dig_port->base.base.crtc);
enum pipe pipe = crtc->pipe;
- u32 trans_ddi_func_ctl_value, trans_conf_value, dp_tp_ctl_value;
+ u32 trans_ddi_func_ctl_value, trans_conf_value, dp_tp_ctl_value,
trans_ddi_sel_port;
+ i915_reg_t dp_tp_reg;
+
+ if (IS_ELKHARTLAKE(dev_priv)) {
+ dp_tp_reg = DP_TP_CTL(port);
+ trans_ddi_sel_port = TRANS_DDI_SELECT_PORT(port);
+ } else if (IS_TIGERLAKE(dev_priv)) {
+ dp_tp_reg = TGL_DP_TP_CTL(pipe);
+ trans_ddi_sel_port = TGL_TRANS_DDI_SELECT_PORT(port);
+ }
trans_ddi_func_ctl_value = intel_de_read(dev_priv,
TRANS_DDI_FUNC_CTL(pipe));
trans_conf_value = intel_de_read(dev_priv, PIPECONF(pipe));
dp_tp_ctl_value = intel_de_read(dev_priv, TGL_DP_TP_CTL(pipe));
-
trans_ddi_func_ctl_value |= TRANS_DDI_FUNC_ENABLE |
- TGL_TRANS_DDI_SELECT_PORT(port);
+ trans_ddi_sel_port;
trans_conf_value |= PIPECONF_ENABLE;
dp_tp_ctl_value |= DP_TP_CTL_ENABLE;
intel_de_write(dev_priv, PIPECONF(pipe), trans_conf_value);
- intel_de_write(dev_priv, TGL_DP_TP_CTL(pipe), dp_tp_ctl_value);
+ intel_de_write(dev_priv, dp_tp_reg, dp_tp_ctl_value);
intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(pipe),
trans_ddi_func_ctl_value);
}
@@ -5557,6 +5575,7 @@ static u8 intel_dp_autotest_phy_pattern(struct intel_dp
*intel_dp)
static void intel_dp_handle_test_request(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ struct drm_i915_private *dev_priv = i915;
u8 response = DP_TEST_NAK;
u8 request = 0;
int status;
@@ -5582,6 +5601,11 @@ static void intel_dp_handle_test_request(struct intel_dp
*intel_dp)
response = intel_dp_autotest_edid(intel_dp);
break;
case DP_TEST_LINK_PHY_TEST_PATTERN:
+ if (!IS_ELKHARTLAKE(dev_priv) || !IS_TIGERLAKE(dev_priv)) {
+ drm_dbg_kms(&i915->drm,
+ "PHY compliance for platform not supported\n");
+ return;
+ }
drm_dbg_kms(&i915->drm, "PHY_PATTERN test requested\n");
response = intel_dp_autotest_phy_pattern(intel_dp);
break;
--
2.7.4
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