static void intel_dp_link_down(struct intel_dp *intel_dp);
-void
-intel_edp_link_config(struct intel_encoder *intel_encoder,
- int *lane_num, int *link_bw)
-{
- struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
-
- *lane_num = intel_dp->lane_count;
- *link_bw = drm_dp_bw_code_to_link_rate(intel_dp->link_bw);
-}
-
-int
-intel_edp_target_clock(struct intel_encoder *intel_encoder,
- struct drm_display_mode *mode)
-{
- struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
- struct intel_connector *intel_connector = intel_dp->attached_connector;
-
- if (intel_connector->panel.fixed_mode)
- return intel_connector->panel.fixed_mode->clock;
- else
- return mode->clock;
-}
-
static int
intel_dp_max_link_bw(struct intel_dp *intel_dp)
{
return (max_link_clock * max_lanes * 8) / 10;
}
-static bool
-intel_dp_adjust_dithering(struct intel_dp *intel_dp,
- struct drm_display_mode *mode,
- bool adjust_mode)
-{
- int max_link_clock =
- drm_dp_bw_code_to_link_rate(intel_dp_max_link_bw(intel_dp));
- int max_lanes = drm_dp_max_lane_count(intel_dp->dpcd);
- int max_rate, mode_rate;
-
- mode_rate = intel_dp_link_required(mode->clock, 24);
- max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes);
-
- if (mode_rate > max_rate) {
- mode_rate = intel_dp_link_required(mode->clock, 18);
- if (mode_rate > max_rate)
- return false;
-
- if (adjust_mode)
- mode->private_flags
- |= INTEL_MODE_DP_FORCE_6BPC;
-
- return true;
- }
-
- return true;
-}
-
static int
intel_dp_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
struct intel_dp *intel_dp = intel_attached_dp(connector);
struct intel_connector *intel_connector = to_intel_connector(connector);
struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode;
+ int target_clock = mode->clock;
+ int max_rate, mode_rate, max_lanes, max_link_clock;
if (is_edp(intel_dp) && fixed_mode) {
if (mode->hdisplay > fixed_mode->hdisplay)
if (mode->vdisplay > fixed_mode->vdisplay)
return MODE_PANEL;
+
+ target_clock = fixed_mode->clock;
}
- if (!intel_dp_adjust_dithering(intel_dp, mode, false))
+ max_link_clock = drm_dp_bw_code_to_link_rate(intel_dp_max_link_bw(intel_dp));
+ max_lanes = drm_dp_max_lane_count(intel_dp->dpcd);
+
+ max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes);
+ mode_rate = intel_dp_link_required(target_clock, 18);
+
+ if (mode_rate > max_rate)
return MODE_CLOCK_HIGH;
if (mode->clock < 10000)
{
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 pp_stat_reg;
- return (I915_READ(PCH_PP_STATUS) & PP_ON) != 0;
+ pp_stat_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_STATUS : PCH_PP_STATUS;
+ return (I915_READ(pp_stat_reg) & PP_ON) != 0;
}
static bool ironlake_edp_have_panel_vdd(struct intel_dp *intel_dp)
{
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 pp_ctrl_reg;
- return (I915_READ(PCH_PP_CONTROL) & EDP_FORCE_VDD) != 0;
+ pp_ctrl_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_CONTROL : PCH_PP_CONTROL;
+ return (I915_READ(pp_ctrl_reg) & EDP_FORCE_VDD) != 0;
}
static void
{
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 pp_stat_reg, pp_ctrl_reg;
if (!is_edp(intel_dp))
return;
+
+ pp_stat_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_STATUS : PCH_PP_STATUS;
+ pp_ctrl_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_CONTROL : PCH_PP_CONTROL;
+
if (!ironlake_edp_have_panel_power(intel_dp) && !ironlake_edp_have_panel_vdd(intel_dp)) {
WARN(1, "eDP powered off while attempting aux channel communication.\n");
DRM_DEBUG_KMS("Status 0x%08x Control 0x%08x\n",
- I915_READ(PCH_PP_STATUS),
- I915_READ(PCH_PP_CONTROL));
+ I915_READ(pp_stat_reg),
+ I915_READ(pp_ctrl_reg));
}
}
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
struct drm_device *dev = intel_dig_port->base.base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- uint32_t ch_ctl = intel_dp->output_reg + 0x10;
+ uint32_t ch_ctl = intel_dp->aux_ch_ctl_reg;
uint32_t status;
bool done;
- if (IS_HASWELL(dev)) {
- switch (intel_dig_port->port) {
- case PORT_A:
- ch_ctl = DPA_AUX_CH_CTL;
- break;
- case PORT_B:
- ch_ctl = PCH_DPB_AUX_CH_CTL;
- break;
- case PORT_C:
- ch_ctl = PCH_DPC_AUX_CH_CTL;
- break;
- case PORT_D:
- ch_ctl = PCH_DPD_AUX_CH_CTL;
- break;
- default:
- BUG();
- }
- }
-
#define C (((status = I915_READ_NOTRACE(ch_ctl)) & DP_AUX_CH_CTL_SEND_BUSY) == 0)
if (has_aux_irq)
done = wait_event_timeout(dev_priv->gmbus_wait_queue, C,
uint8_t *send, int send_bytes,
uint8_t *recv, int recv_size)
{
- uint32_t output_reg = intel_dp->output_reg;
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
struct drm_device *dev = intel_dig_port->base.base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- uint32_t ch_ctl = output_reg + 0x10;
+ uint32_t ch_ctl = intel_dp->aux_ch_ctl_reg;
uint32_t ch_data = ch_ctl + 4;
int i, ret, recv_bytes;
uint32_t status;
*/
pm_qos_update_request(&dev_priv->pm_qos, 0);
- if (IS_HASWELL(dev)) {
- switch (intel_dig_port->port) {
- case PORT_A:
- ch_ctl = DPA_AUX_CH_CTL;
- ch_data = DPA_AUX_CH_DATA1;
- break;
- case PORT_B:
- ch_ctl = PCH_DPB_AUX_CH_CTL;
- ch_data = PCH_DPB_AUX_CH_DATA1;
- break;
- case PORT_C:
- ch_ctl = PCH_DPC_AUX_CH_CTL;
- ch_data = PCH_DPC_AUX_CH_DATA1;
- break;
- case PORT_D:
- ch_ctl = PCH_DPD_AUX_CH_CTL;
- ch_data = PCH_DPD_AUX_CH_DATA1;
- break;
- default:
- BUG();
- }
- }
-
intel_dp_check_edp(intel_dp);
/* The clock divider is based off the hrawclk,
* and would like to run at 2MHz. So, take the
aux_clock_divider = 200; /* SNB & IVB eDP input clock at 400Mhz */
else
aux_clock_divider = 225; /* eDP input clock at 450Mhz */
- } else if (HAS_PCH_SPLIT(dev))
+ } else if (dev_priv->pch_id == INTEL_PCH_LPT_DEVICE_ID_TYPE) {
+ /* Workaround for non-ULT HSW */
+ aux_clock_divider = 74;
+ } else if (HAS_PCH_SPLIT(dev)) {
aux_clock_divider = DIV_ROUND_UP(intel_pch_rawclk(dev), 2);
- else
+ } else {
aux_clock_divider = intel_hrawclk(dev) / 2;
+ }
if (IS_GEN6(dev))
precharge = 3;
}
bool
-intel_dp_mode_fixup(struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
+intel_dp_compute_config(struct intel_encoder *encoder,
+ struct intel_crtc_config *pipe_config)
{
- struct drm_device *dev = encoder->dev;
- struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+ struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
+ struct drm_display_mode *mode = &pipe_config->requested_mode;
+ struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
struct intel_connector *intel_connector = intel_dp->attached_connector;
int lane_count, clock;
int max_lane_count = drm_dp_max_lane_count(intel_dp->dpcd);
int max_clock = intel_dp_max_link_bw(intel_dp) == DP_LINK_BW_2_7 ? 1 : 0;
int bpp, mode_rate;
static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
+ int target_clock, link_avail, link_clock;
+
+ if (HAS_PCH_SPLIT(dev) && !HAS_DDI(dev) && !is_cpu_edp(intel_dp))
+ pipe_config->has_pch_encoder = true;
+
+ pipe_config->has_dp_encoder = true;
if (is_edp(intel_dp) && intel_connector->panel.fixed_mode) {
intel_fixed_panel_mode(intel_connector->panel.fixed_mode,
intel_connector->panel.fitting_mode,
mode, adjusted_mode);
}
+ /* We need to take the panel's fixed mode into account. */
+ target_clock = adjusted_mode->clock;
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK)
return false;
"max bw %02x pixel clock %iKHz\n",
max_lane_count, bws[max_clock], adjusted_mode->clock);
- if (!intel_dp_adjust_dithering(intel_dp, adjusted_mode, true))
- return false;
+ /* Walk through all bpp values. Luckily they're all nicely spaced with 2
+ * bpc in between. */
+ bpp = min_t(int, 8*3, pipe_config->pipe_bpp);
+ for (; bpp >= 6*3; bpp -= 2*3) {
+ mode_rate = intel_dp_link_required(target_clock, bpp);
+
+ for (clock = 0; clock <= max_clock; clock++) {
+ for (lane_count = 1; lane_count <= max_lane_count; lane_count <<= 1) {
+ link_clock = drm_dp_bw_code_to_link_rate(bws[clock]);
+ link_avail = intel_dp_max_data_rate(link_clock,
+ lane_count);
+
+ if (mode_rate <= link_avail) {
+ goto found;
+ }
+ }
+ }
+ }
- bpp = adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 24;
+ return false;
+found:
if (intel_dp->color_range_auto) {
/*
* See:
}
if (intel_dp->color_range)
- adjusted_mode->private_flags |= INTEL_MODE_LIMITED_COLOR_RANGE;
-
- mode_rate = intel_dp_link_required(adjusted_mode->clock, bpp);
-
- for (clock = 0; clock <= max_clock; clock++) {
- for (lane_count = 1; lane_count <= max_lane_count; lane_count <<= 1) {
- int link_bw_clock =
- drm_dp_bw_code_to_link_rate(bws[clock]);
- int link_avail = intel_dp_max_data_rate(link_bw_clock,
- lane_count);
-
- if (mode_rate <= link_avail) {
- intel_dp->link_bw = bws[clock];
- intel_dp->lane_count = lane_count;
- adjusted_mode->clock = link_bw_clock;
- DRM_DEBUG_KMS("DP link bw %02x lane "
- "count %d clock %d bpp %d\n",
- intel_dp->link_bw, intel_dp->lane_count,
- adjusted_mode->clock, bpp);
- DRM_DEBUG_KMS("DP link bw required %i available %i\n",
- mode_rate, link_avail);
- return true;
- }
- }
- }
-
- return false;
-}
+ pipe_config->limited_color_range = true;
-void
-intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct drm_device *dev = crtc->dev;
- struct intel_encoder *intel_encoder;
- struct intel_dp *intel_dp;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int lane_count = 4;
- struct intel_link_m_n m_n;
- int pipe = intel_crtc->pipe;
- enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder;
- int target_clock;
+ intel_dp->link_bw = bws[clock];
+ intel_dp->lane_count = lane_count;
+ adjusted_mode->clock = drm_dp_bw_code_to_link_rate(intel_dp->link_bw);
+ pipe_config->pixel_target_clock = target_clock;
- /*
- * Find the lane count in the intel_encoder private
- */
- for_each_encoder_on_crtc(dev, crtc, intel_encoder) {
- intel_dp = enc_to_intel_dp(&intel_encoder->base);
+ DRM_DEBUG_KMS("DP link bw %02x lane count %d clock %d bpp %d\n",
+ intel_dp->link_bw, intel_dp->lane_count,
+ adjusted_mode->clock, bpp);
+ DRM_DEBUG_KMS("DP link bw required %i available %i\n",
+ mode_rate, link_avail);
- if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT ||
- intel_encoder->type == INTEL_OUTPUT_EDP)
- {
- lane_count = intel_dp->lane_count;
- break;
- }
- }
-
- target_clock = mode->clock;
- for_each_encoder_on_crtc(dev, crtc, intel_encoder) {
- if (intel_encoder->type == INTEL_OUTPUT_EDP) {
- target_clock = intel_edp_target_clock(intel_encoder,
- mode);
- break;
- }
- }
+ intel_link_compute_m_n(bpp, lane_count,
+ target_clock, adjusted_mode->clock,
+ &pipe_config->dp_m_n);
/*
- * Compute the GMCH and Link ratios. The '3' here is
- * the number of bytes_per_pixel post-LUT, which we always
- * set up for 8-bits of R/G/B, or 3 bytes total.
+ * XXX: We have a strange regression where using the vbt edp bpp value
+ * for the link bw computation results in black screens, the panel only
+ * works when we do the computation at the usual 24bpp (but still
+ * requires us to use 18bpp). Until that's fully debugged, stay
+ * bug-for-bug compatible with the old code.
*/
- intel_link_compute_m_n(intel_crtc->bpp, lane_count,
- target_clock, adjusted_mode->clock, &m_n);
-
- if (IS_HASWELL(dev)) {
- I915_WRITE(PIPE_DATA_M1(cpu_transcoder),
- TU_SIZE(m_n.tu) | m_n.gmch_m);
- I915_WRITE(PIPE_DATA_N1(cpu_transcoder), m_n.gmch_n);
- I915_WRITE(PIPE_LINK_M1(cpu_transcoder), m_n.link_m);
- I915_WRITE(PIPE_LINK_N1(cpu_transcoder), m_n.link_n);
- } else if (HAS_PCH_SPLIT(dev)) {
- I915_WRITE(TRANSDATA_M1(pipe), TU_SIZE(m_n.tu) | m_n.gmch_m);
- I915_WRITE(TRANSDATA_N1(pipe), m_n.gmch_n);
- I915_WRITE(TRANSDPLINK_M1(pipe), m_n.link_m);
- I915_WRITE(TRANSDPLINK_N1(pipe), m_n.link_n);
- } else if (IS_VALLEYVIEW(dev)) {
- I915_WRITE(PIPE_DATA_M1(pipe), TU_SIZE(m_n.tu) | m_n.gmch_m);
- I915_WRITE(PIPE_DATA_N1(pipe), m_n.gmch_n);
- I915_WRITE(PIPE_LINK_M1(pipe), m_n.link_m);
- I915_WRITE(PIPE_LINK_N1(pipe), m_n.link_n);
- } else {
- I915_WRITE(PIPE_GMCH_DATA_M(pipe),
- TU_SIZE(m_n.tu) | m_n.gmch_m);
- I915_WRITE(PIPE_GMCH_DATA_N(pipe), m_n.gmch_n);
- I915_WRITE(PIPE_DP_LINK_M(pipe), m_n.link_m);
- I915_WRITE(PIPE_DP_LINK_N(pipe), m_n.link_n);
+ if (is_edp(intel_dp) && dev_priv->edp.bpp) {
+ DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n",
+ bpp, dev_priv->edp.bpp);
+ bpp = min_t(int, bpp, dev_priv->edp.bpp);
}
+ pipe_config->pipe_bpp = bpp;
+
+ return true;
}
void intel_dp_init_link_config(struct intel_dp *intel_dp)
else
intel_dp->DP |= DP_PLL_FREQ_270MHZ;
} else if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
- if (!HAS_PCH_SPLIT(dev))
+ if (!HAS_PCH_SPLIT(dev) && !IS_VALLEYVIEW(dev))
intel_dp->DP |= intel_dp->color_range;
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
if (intel_crtc->pipe == 1)
intel_dp->DP |= DP_PIPEB_SELECT;
- if (is_cpu_edp(intel_dp)) {
+ if (is_cpu_edp(intel_dp) && !IS_VALLEYVIEW(dev)) {
/* don't miss out required setting for eDP */
if (adjusted_mode->clock < 200000)
intel_dp->DP |= DP_PLL_FREQ_160MHZ;
intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
}
- if (is_cpu_edp(intel_dp))
+ if (is_cpu_edp(intel_dp) && !IS_VALLEYVIEW(dev))
ironlake_set_pll_edp(crtc, adjusted_mode->clock);
}
{
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 pp_stat_reg, pp_ctrl_reg;
+
+ pp_stat_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_STATUS : PCH_PP_STATUS;
+ pp_ctrl_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_CONTROL : PCH_PP_CONTROL;
DRM_DEBUG_KMS("mask %08x value %08x status %08x control %08x\n",
- mask, value,
- I915_READ(PCH_PP_STATUS),
- I915_READ(PCH_PP_CONTROL));
+ mask, value,
+ I915_READ(pp_stat_reg),
+ I915_READ(pp_ctrl_reg));
- if (_wait_for((I915_READ(PCH_PP_STATUS) & mask) == value, 5000, 10)) {
+ if (_wait_for((I915_READ(pp_stat_reg) & mask) == value, 5000, 10)) {
DRM_ERROR("Panel status timeout: status %08x control %08x\n",
- I915_READ(PCH_PP_STATUS),
- I915_READ(PCH_PP_CONTROL));
+ I915_READ(pp_stat_reg),
+ I915_READ(pp_ctrl_reg));
}
}
* is locked
*/
-static u32 ironlake_get_pp_control(struct drm_i915_private *dev_priv)
+static u32 ironlake_get_pp_control(struct intel_dp *intel_dp)
{
- u32 control = I915_READ(PCH_PP_CONTROL);
+ struct drm_device *dev = intel_dp_to_dev(intel_dp);
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 control;
+ u32 pp_ctrl_reg;
+
+ pp_ctrl_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_CONTROL : PCH_PP_CONTROL;
+ control = I915_READ(pp_ctrl_reg);
control &= ~PANEL_UNLOCK_MASK;
control |= PANEL_UNLOCK_REGS;
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp;
+ u32 pp_stat_reg, pp_ctrl_reg;
if (!is_edp(intel_dp))
return;
if (!ironlake_edp_have_panel_power(intel_dp))
ironlake_wait_panel_power_cycle(intel_dp);
- pp = ironlake_get_pp_control(dev_priv);
+ pp = ironlake_get_pp_control(intel_dp);
pp |= EDP_FORCE_VDD;
- I915_WRITE(PCH_PP_CONTROL, pp);
- POSTING_READ(PCH_PP_CONTROL);
- DRM_DEBUG_KMS("PCH_PP_STATUS: 0x%08x PCH_PP_CONTROL: 0x%08x\n",
- I915_READ(PCH_PP_STATUS), I915_READ(PCH_PP_CONTROL));
+ pp_stat_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_STATUS : PCH_PP_STATUS;
+ pp_ctrl_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_CONTROL : PCH_PP_CONTROL;
+
+ I915_WRITE(pp_ctrl_reg, pp);
+ POSTING_READ(pp_ctrl_reg);
+ DRM_DEBUG_KMS("PP_STATUS: 0x%08x PP_CONTROL: 0x%08x\n",
+ I915_READ(pp_stat_reg), I915_READ(pp_ctrl_reg));
/*
* If the panel wasn't on, delay before accessing aux channel
*/
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp;
+ u32 pp_stat_reg, pp_ctrl_reg;
WARN_ON(!mutex_is_locked(&dev->mode_config.mutex));
if (!intel_dp->want_panel_vdd && ironlake_edp_have_panel_vdd(intel_dp)) {
- pp = ironlake_get_pp_control(dev_priv);
+ pp = ironlake_get_pp_control(intel_dp);
pp &= ~EDP_FORCE_VDD;
- I915_WRITE(PCH_PP_CONTROL, pp);
- POSTING_READ(PCH_PP_CONTROL);
- /* Make sure sequencer is idle before allowing subsequent activity */
- DRM_DEBUG_KMS("PCH_PP_STATUS: 0x%08x PCH_PP_CONTROL: 0x%08x\n",
- I915_READ(PCH_PP_STATUS), I915_READ(PCH_PP_CONTROL));
+ pp_stat_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_STATUS : PCH_PP_STATUS;
+ pp_ctrl_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_CONTROL : PCH_PP_CONTROL;
+
+ I915_WRITE(pp_ctrl_reg, pp);
+ POSTING_READ(pp_ctrl_reg);
+ /* Make sure sequencer is idle before allowing subsequent activity */
+ DRM_DEBUG_KMS("PP_STATUS: 0x%08x PP_CONTROL: 0x%08x\n",
+ I915_READ(pp_stat_reg), I915_READ(pp_ctrl_reg));
msleep(intel_dp->panel_power_down_delay);
}
}
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp;
+ u32 pp_ctrl_reg;
if (!is_edp(intel_dp))
return;
ironlake_wait_panel_power_cycle(intel_dp);
- pp = ironlake_get_pp_control(dev_priv);
+ pp = ironlake_get_pp_control(intel_dp);
if (IS_GEN5(dev)) {
/* ILK workaround: disable reset around power sequence */
pp &= ~PANEL_POWER_RESET;
if (!IS_GEN5(dev))
pp |= PANEL_POWER_RESET;
- I915_WRITE(PCH_PP_CONTROL, pp);
- POSTING_READ(PCH_PP_CONTROL);
+ pp_ctrl_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_CONTROL : PCH_PP_CONTROL;
+
+ I915_WRITE(pp_ctrl_reg, pp);
+ POSTING_READ(pp_ctrl_reg);
ironlake_wait_panel_on(intel_dp);
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp;
+ u32 pp_ctrl_reg;
if (!is_edp(intel_dp))
return;
WARN(!intel_dp->want_panel_vdd, "Need VDD to turn off panel\n");
- pp = ironlake_get_pp_control(dev_priv);
+ pp = ironlake_get_pp_control(intel_dp);
/* We need to switch off panel power _and_ force vdd, for otherwise some
* panels get very unhappy and cease to work. */
pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD | PANEL_POWER_RESET | EDP_BLC_ENABLE);
- I915_WRITE(PCH_PP_CONTROL, pp);
- POSTING_READ(PCH_PP_CONTROL);
+
+ pp_ctrl_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_CONTROL : PCH_PP_CONTROL;
+
+ I915_WRITE(pp_ctrl_reg, pp);
+ POSTING_READ(pp_ctrl_reg);
intel_dp->want_panel_vdd = false;
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe = to_intel_crtc(intel_dig_port->base.base.crtc)->pipe;
u32 pp;
+ u32 pp_ctrl_reg;
if (!is_edp(intel_dp))
return;
* allowing it to appear.
*/
msleep(intel_dp->backlight_on_delay);
- pp = ironlake_get_pp_control(dev_priv);
+ pp = ironlake_get_pp_control(intel_dp);
pp |= EDP_BLC_ENABLE;
- I915_WRITE(PCH_PP_CONTROL, pp);
- POSTING_READ(PCH_PP_CONTROL);
+
+ pp_ctrl_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_CONTROL : PCH_PP_CONTROL;
+
+ I915_WRITE(pp_ctrl_reg, pp);
+ POSTING_READ(pp_ctrl_reg);
intel_panel_enable_backlight(dev, pipe);
}
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp;
+ u32 pp_ctrl_reg;
if (!is_edp(intel_dp))
return;
intel_panel_disable_backlight(dev);
DRM_DEBUG_KMS("\n");
- pp = ironlake_get_pp_control(dev_priv);
+ pp = ironlake_get_pp_control(intel_dp);
pp &= ~EDP_BLC_ENABLE;
- I915_WRITE(PCH_PP_CONTROL, pp);
- POSTING_READ(PCH_PP_CONTROL);
+
+ pp_ctrl_reg = IS_VALLEYVIEW(dev) ? PIPEA_PP_CONTROL : PCH_PP_CONTROL;
+
+ I915_WRITE(pp_ctrl_reg, pp);
+ POSTING_READ(pp_ctrl_reg);
msleep(intel_dp->backlight_off_delay);
}
if (!(tmp & DP_PORT_EN))
return false;
- if (is_cpu_edp(intel_dp) && IS_GEN7(dev)) {
+ if (is_cpu_edp(intel_dp) && IS_GEN7(dev) && !IS_VALLEYVIEW(dev)) {
*pipe = PORT_TO_PIPE_CPT(tmp);
} else if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
*pipe = PORT_TO_PIPE(tmp);
static void intel_post_disable_dp(struct intel_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+ struct drm_device *dev = encoder->base.dev;
if (is_cpu_edp(intel_dp)) {
intel_dp_link_down(intel_dp);
- ironlake_edp_pll_off(intel_dp);
+ if (!IS_VALLEYVIEW(dev))
+ ironlake_edp_pll_off(intel_dp);
}
}
static void intel_pre_enable_dp(struct intel_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+ struct drm_device *dev = encoder->base.dev;
- if (is_cpu_edp(intel_dp))
+ if (is_cpu_edp(intel_dp) && !IS_VALLEYVIEW(dev))
ironlake_edp_pll_on(intel_dp);
}
{
struct drm_device *dev = intel_dp_to_dev(intel_dp);
- if (IS_HASWELL(dev)) {
+ if (HAS_DDI(dev)) {
switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
case DP_TRAIN_VOLTAGE_SWING_400:
return DP_TRAIN_PRE_EMPHASIS_9_5;
uint32_t signal_levels, mask;
uint8_t train_set = intel_dp->train_set[0];
- if (IS_HASWELL(dev)) {
+ if (HAS_DDI(dev)) {
signal_levels = intel_hsw_signal_levels(train_set);
mask = DDI_BUF_EMP_MASK;
} else if (IS_GEN7(dev) && is_cpu_edp(intel_dp) && !IS_VALLEYVIEW(dev)) {
int ret;
uint32_t temp;
- if (IS_HASWELL(dev)) {
+ if (HAS_DDI(dev)) {
temp = I915_READ(DP_TP_CTL(port));
if (dp_train_pat & DP_LINK_SCRAMBLING_DISABLE)
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
uint32_t bit;
+ /* Can't disconnect eDP, but you can close the lid... */
+ if (is_edp(intel_dp)) {
+ enum drm_connector_status status;
+
+ status = intel_panel_detect(dev);
+ if (status == connector_status_unknown)
+ status = connector_status_connected;
+ return status;
+ }
+
switch (intel_dig_port->port) {
case PORT_B:
bit = PORTB_HOTPLUG_LIVE_STATUS;
}
if (property == dev_priv->broadcast_rgb_property) {
+ bool old_auto = intel_dp->color_range_auto;
+ uint32_t old_range = intel_dp->color_range;
+
switch (val) {
case INTEL_BROADCAST_RGB_AUTO:
intel_dp->color_range_auto = true;
default:
return -EINVAL;
}
+
+ if (old_auto == intel_dp->color_range_auto &&
+ old_range == intel_dp->color_range)
+ return 0;
+
goto done;
}
static void
intel_dp_destroy(struct drm_connector *connector)
{
- struct drm_device *dev = connector->dev;
struct intel_dp *intel_dp = intel_attached_dp(connector);
struct intel_connector *intel_connector = to_intel_connector(connector);
if (!IS_ERR_OR_NULL(intel_connector->edid))
kfree(intel_connector->edid);
- if (is_edp(intel_dp)) {
- intel_panel_destroy_backlight(dev);
+ if (is_edp(intel_dp))
intel_panel_fini(&intel_connector->panel);
- }
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
}
static const struct drm_encoder_helper_funcs intel_dp_helper_funcs = {
- .mode_fixup = intel_dp_mode_fixup,
.mode_set = intel_dp_mode_set,
};
struct drm_i915_private *dev_priv = dev->dev_private;
struct edp_power_seq cur, vbt, spec, final;
u32 pp_on, pp_off, pp_div, pp;
+ int pp_control_reg, pp_on_reg, pp_off_reg, pp_div_reg;
+
+ if (HAS_PCH_SPLIT(dev)) {
+ pp_control_reg = PCH_PP_CONTROL;
+ pp_on_reg = PCH_PP_ON_DELAYS;
+ pp_off_reg = PCH_PP_OFF_DELAYS;
+ pp_div_reg = PCH_PP_DIVISOR;
+ } else {
+ pp_control_reg = PIPEA_PP_CONTROL;
+ pp_on_reg = PIPEA_PP_ON_DELAYS;
+ pp_off_reg = PIPEA_PP_OFF_DELAYS;
+ pp_div_reg = PIPEA_PP_DIVISOR;
+ }
/* Workaround: Need to write PP_CONTROL with the unlock key as
* the very first thing. */
- pp = ironlake_get_pp_control(dev_priv);
- I915_WRITE(PCH_PP_CONTROL, pp);
+ pp = ironlake_get_pp_control(intel_dp);
+ I915_WRITE(pp_control_reg, pp);
- pp_on = I915_READ(PCH_PP_ON_DELAYS);
- pp_off = I915_READ(PCH_PP_OFF_DELAYS);
- pp_div = I915_READ(PCH_PP_DIVISOR);
+ pp_on = I915_READ(pp_on_reg);
+ pp_off = I915_READ(pp_off_reg);
+ pp_div = I915_READ(pp_div_reg);
/* Pull timing values out of registers */
cur.t1_t3 = (pp_on & PANEL_POWER_UP_DELAY_MASK) >>
struct edp_power_seq *seq)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 pp_on, pp_off, pp_div;
+ u32 pp_on, pp_off, pp_div, port_sel = 0;
+ int div = HAS_PCH_SPLIT(dev) ? intel_pch_rawclk(dev) : intel_hrawclk(dev);
+ int pp_on_reg, pp_off_reg, pp_div_reg;
+
+ if (HAS_PCH_SPLIT(dev)) {
+ pp_on_reg = PCH_PP_ON_DELAYS;
+ pp_off_reg = PCH_PP_OFF_DELAYS;
+ pp_div_reg = PCH_PP_DIVISOR;
+ } else {
+ pp_on_reg = PIPEA_PP_ON_DELAYS;
+ pp_off_reg = PIPEA_PP_OFF_DELAYS;
+ pp_div_reg = PIPEA_PP_DIVISOR;
+ }
+
+ if (IS_VALLEYVIEW(dev))
+ port_sel = I915_READ(pp_on_reg) & 0xc0000000;
/* And finally store the new values in the power sequencer. */
pp_on = (seq->t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) |
(seq->t10 << PANEL_POWER_DOWN_DELAY_SHIFT);
/* Compute the divisor for the pp clock, simply match the Bspec
* formula. */
- pp_div = ((100 * intel_pch_rawclk(dev))/2 - 1)
- << PP_REFERENCE_DIVIDER_SHIFT;
+ pp_div = ((100 * div)/2 - 1) << PP_REFERENCE_DIVIDER_SHIFT;
pp_div |= (DIV_ROUND_UP(seq->t11_t12, 1000)
<< PANEL_POWER_CYCLE_DELAY_SHIFT);
* power sequencer any more. */
if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) {
if (is_cpu_edp(intel_dp))
- pp_on |= PANEL_POWER_PORT_DP_A;
+ port_sel = PANEL_POWER_PORT_DP_A;
else
- pp_on |= PANEL_POWER_PORT_DP_D;
+ port_sel = PANEL_POWER_PORT_DP_D;
}
- I915_WRITE(PCH_PP_ON_DELAYS, pp_on);
- I915_WRITE(PCH_PP_OFF_DELAYS, pp_off);
- I915_WRITE(PCH_PP_DIVISOR, pp_div);
+ pp_on |= port_sel;
+
+ I915_WRITE(pp_on_reg, pp_on);
+ I915_WRITE(pp_off_reg, pp_off);
+ I915_WRITE(pp_div_reg, pp_div);
DRM_DEBUG_KMS("panel power sequencer register settings: PP_ON %#x, PP_OFF %#x, PP_DIV %#x\n",
- I915_READ(PCH_PP_ON_DELAYS),
- I915_READ(PCH_PP_OFF_DELAYS),
- I915_READ(PCH_PP_DIVISOR));
+ I915_READ(pp_on_reg),
+ I915_READ(pp_off_reg),
+ I915_READ(pp_div_reg));
}
void
drm_connector_init(dev, connector, &intel_dp_connector_funcs, type);
drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs);
- connector->polled = DRM_CONNECTOR_POLL_HPD;
connector->interlace_allowed = true;
connector->doublescan_allowed = 0;
else
intel_connector->get_hw_state = intel_connector_get_hw_state;
+ intel_dp->aux_ch_ctl_reg = intel_dp->output_reg + 0x10;
+ if (HAS_DDI(dev)) {
+ switch (intel_dig_port->port) {
+ case PORT_A:
+ intel_dp->aux_ch_ctl_reg = DPA_AUX_CH_CTL;
+ break;
+ case PORT_B:
+ intel_dp->aux_ch_ctl_reg = PCH_DPB_AUX_CH_CTL;
+ break;
+ case PORT_C:
+ intel_dp->aux_ch_ctl_reg = PCH_DPC_AUX_CH_CTL;
+ break;
+ case PORT_D:
+ intel_dp->aux_ch_ctl_reg = PCH_DPD_AUX_CH_CTL;
+ break;
+ default:
+ BUG();
+ }
+ }
/* Set up the DDC bus. */
switch (port) {
case PORT_A:
+ intel_encoder->hpd_pin = HPD_PORT_A;
name = "DPDDC-A";
break;
case PORT_B:
- dev_priv->hotplug_supported_mask |= PORTB_HOTPLUG_INT_STATUS;
+ intel_encoder->hpd_pin = HPD_PORT_B;
name = "DPDDC-B";
break;
case PORT_C:
- dev_priv->hotplug_supported_mask |= PORTC_HOTPLUG_INT_STATUS;
+ intel_encoder->hpd_pin = HPD_PORT_C;
name = "DPDDC-C";
break;
case PORT_D:
- dev_priv->hotplug_supported_mask |= PORTD_HOTPLUG_INT_STATUS;
+ intel_encoder->hpd_pin = HPD_PORT_D;
name = "DPDDC-D";
break;
default:
- WARN(1, "Invalid port %c\n", port_name(port));
- break;
+ BUG();
}
if (is_edp(intel_dp))
DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(&intel_encoder->base, &intel_dp_helper_funcs);
+ intel_encoder->compute_config = intel_dp_compute_config;
intel_encoder->enable = intel_enable_dp;
intel_encoder->pre_enable = intel_pre_enable_dp;
intel_encoder->disable = intel_disable_dp;
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