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path: root/drivers/gpu/drm/i915/intel_dp.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c66
1 files changed, 33 insertions, 33 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 3781cd3e358a..0a2e33fbf20d 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -48,28 +48,28 @@
#define INTEL_DP_RESOLUTION_FAILSAFE (3 << INTEL_DP_RESOLUTION_SHIFT_MASK)
struct dp_link_dpll {
- int link_bw;
+ int clock;
struct dpll dpll;
};
static const struct dp_link_dpll gen4_dpll[] = {
- { DP_LINK_BW_1_62,
+ { 162000,
{ .p1 = 2, .p2 = 10, .n = 2, .m1 = 23, .m2 = 8 } },
- { DP_LINK_BW_2_7,
+ { 270000,
{ .p1 = 1, .p2 = 10, .n = 1, .m1 = 14, .m2 = 2 } }
};
static const struct dp_link_dpll pch_dpll[] = {
- { DP_LINK_BW_1_62,
+ { 162000,
{ .p1 = 2, .p2 = 10, .n = 1, .m1 = 12, .m2 = 9 } },
- { DP_LINK_BW_2_7,
+ { 270000,
{ .p1 = 1, .p2 = 10, .n = 2, .m1 = 14, .m2 = 8 } }
};
static const struct dp_link_dpll vlv_dpll[] = {
- { DP_LINK_BW_1_62,
+ { 162000,
{ .p1 = 3, .p2 = 2, .n = 5, .m1 = 3, .m2 = 81 } },
- { DP_LINK_BW_2_7,
+ { 270000,
{ .p1 = 2, .p2 = 2, .n = 1, .m1 = 2, .m2 = 27 } }
};
@@ -83,11 +83,11 @@ static const struct dp_link_dpll chv_dpll[] = {
* m2 is stored in fixed point format using formula below
* (m2_int << 22) | m2_fraction
*/
- { DP_LINK_BW_1_62, /* m2_int = 32, m2_fraction = 1677722 */
+ { 162000, /* m2_int = 32, m2_fraction = 1677722 */
{ .p1 = 4, .p2 = 2, .n = 1, .m1 = 2, .m2 = 0x819999a } },
- { DP_LINK_BW_2_7, /* m2_int = 27, m2_fraction = 0 */
+ { 270000, /* m2_int = 27, m2_fraction = 0 */
{ .p1 = 4, .p2 = 1, .n = 1, .m1 = 2, .m2 = 0x6c00000 } },
- { DP_LINK_BW_5_4, /* m2_int = 27, m2_fraction = 0 */
+ { 540000, /* m2_int = 27, m2_fraction = 0 */
{ .p1 = 2, .p2 = 1, .n = 1, .m1 = 2, .m2 = 0x6c00000 } }
};
@@ -1130,7 +1130,7 @@ intel_dp_connector_unregister(struct intel_connector *intel_connector)
}
static void
-skl_edp_set_pll_config(struct intel_crtc_state *pipe_config, int link_clock)
+skl_edp_set_pll_config(struct intel_crtc_state *pipe_config)
{
u32 ctrl1;
@@ -1142,7 +1142,7 @@ skl_edp_set_pll_config(struct intel_crtc_state *pipe_config, int link_clock)
pipe_config->dpll_hw_state.cfgcr2 = 0;
ctrl1 = DPLL_CTRL1_OVERRIDE(SKL_DPLL0);
- switch (link_clock / 2) {
+ switch (pipe_config->port_clock / 2) {
case 81000:
ctrl1 |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_810,
SKL_DPLL0);
@@ -1175,20 +1175,20 @@ skl_edp_set_pll_config(struct intel_crtc_state *pipe_config, int link_clock)
pipe_config->dpll_hw_state.ctrl1 = ctrl1;
}
-static void
-hsw_dp_set_ddi_pll_sel(struct intel_crtc_state *pipe_config, int link_bw)
+void
+hsw_dp_set_ddi_pll_sel(struct intel_crtc_state *pipe_config)
{
memset(&pipe_config->dpll_hw_state, 0,
sizeof(pipe_config->dpll_hw_state));
- switch (link_bw) {
- case DP_LINK_BW_1_62:
+ switch (pipe_config->port_clock / 2) {
+ case 81000:
pipe_config->ddi_pll_sel = PORT_CLK_SEL_LCPLL_810;
break;
- case DP_LINK_BW_2_7:
+ case 135000:
pipe_config->ddi_pll_sel = PORT_CLK_SEL_LCPLL_1350;
break;
- case DP_LINK_BW_5_4:
+ case 270000:
pipe_config->ddi_pll_sel = PORT_CLK_SEL_LCPLL_2700;
break;
}
@@ -1245,7 +1245,7 @@ intel_dp_source_rates(struct drm_device *dev, const int **source_rates)
static void
intel_dp_set_clock(struct intel_encoder *encoder,
- struct intel_crtc_state *pipe_config, int link_bw)
+ struct intel_crtc_state *pipe_config)
{
struct drm_device *dev = encoder->base.dev;
const struct dp_link_dpll *divisor = NULL;
@@ -1267,7 +1267,7 @@ intel_dp_set_clock(struct intel_encoder *encoder,
if (divisor && count) {
for (i = 0; i < count; i++) {
- if (link_bw == divisor[i].link_bw) {
+ if (pipe_config->port_clock == divisor[i].clock) {
pipe_config->dpll = divisor[i].dpll;
pipe_config->clock_set = true;
break;
@@ -1544,13 +1544,13 @@ found:
}
if (IS_SKYLAKE(dev) && is_edp(intel_dp))
- skl_edp_set_pll_config(pipe_config, common_rates[clock]);
+ skl_edp_set_pll_config(pipe_config);
else if (IS_BROXTON(dev))
/* handled in ddi */;
else if (IS_HASWELL(dev) || IS_BROADWELL(dev))
- hsw_dp_set_ddi_pll_sel(pipe_config, intel_dp->link_bw);
+ hsw_dp_set_ddi_pll_sel(pipe_config);
else
- intel_dp_set_clock(encoder, pipe_config, intel_dp->link_bw);
+ intel_dp_set_clock(encoder, pipe_config);
return true;
}
@@ -4961,9 +4961,12 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
intel_dp_probe_oui(intel_dp);
- if (!intel_dp_probe_mst(intel_dp))
+ if (!intel_dp_probe_mst(intel_dp)) {
+ drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
+ intel_dp_check_link_status(intel_dp);
+ drm_modeset_unlock(&dev->mode_config.connection_mutex);
goto mst_fail;
-
+ }
} else {
if (intel_dp->is_mst) {
if (intel_dp_check_mst_status(intel_dp) == -EINVAL)
@@ -4971,10 +4974,6 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
}
if (!intel_dp->is_mst) {
- /*
- * we'll check the link status via the normal hot plug path later -
- * but for short hpds we should check it now
- */
drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
intel_dp_check_link_status(intel_dp);
drm_modeset_unlock(&dev->mode_config.connection_mutex);
@@ -5016,16 +5015,17 @@ intel_trans_dp_port_sel(struct drm_crtc *crtc)
return -1;
}
-/* check the VBT to see whether the eDP is on DP-D port */
+/* check the VBT to see whether the eDP is on another port */
bool intel_dp_is_edp(struct drm_device *dev, enum port port)
{
struct drm_i915_private *dev_priv = dev->dev_private;
union child_device_config *p_child;
int i;
static const short port_mapping[] = {
- [PORT_B] = PORT_IDPB,
- [PORT_C] = PORT_IDPC,
- [PORT_D] = PORT_IDPD,
+ [PORT_B] = DVO_PORT_DPB,
+ [PORT_C] = DVO_PORT_DPC,
+ [PORT_D] = DVO_PORT_DPD,
+ [PORT_E] = DVO_PORT_DPE,
};
if (port == PORT_A)
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