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path: root/drivers/gpu/drm/i915/intel_ddi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c70
1 files changed, 36 insertions, 34 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 8d0bac3c35d..26a0a570f92 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -898,6 +898,9 @@ bool intel_ddi_pll_mode_set(struct drm_crtc *crtc, int clock)
plls->spll_refcount++;
reg = SPLL_CTL;
intel_crtc->ddi_pll_sel = PORT_CLK_SEL_SPLL;
+ } else {
+ DRM_ERROR("SPLL already in use\n");
+ return false;
}
WARN(I915_READ(reg) & SPLL_PLL_ENABLE,
@@ -921,14 +924,14 @@ void intel_ddi_set_pipe_settings(struct drm_crtc *crtc)
struct drm_i915_private *dev_priv = crtc->dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc);
- enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder;
+ enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder;
int type = intel_encoder->type;
uint32_t temp;
if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) {
temp = TRANS_MSA_SYNC_CLK;
- switch (intel_crtc->bpp) {
+ switch (intel_crtc->config.pipe_bpp) {
case 18:
temp |= TRANS_MSA_6_BPC;
break;
@@ -942,22 +945,20 @@ void intel_ddi_set_pipe_settings(struct drm_crtc *crtc)
temp |= TRANS_MSA_12_BPC;
break;
default:
- temp |= TRANS_MSA_8_BPC;
- WARN(1, "%d bpp unsupported by DDI function\n",
- intel_crtc->bpp);
+ BUG();
}
I915_WRITE(TRANS_MSA_MISC(cpu_transcoder), temp);
}
}
-void intel_ddi_enable_pipe_func(struct drm_crtc *crtc)
+void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc)
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc);
struct drm_encoder *encoder = &intel_encoder->base;
struct drm_i915_private *dev_priv = crtc->dev->dev_private;
enum pipe pipe = intel_crtc->pipe;
- enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder;
+ enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder;
enum port port = intel_ddi_get_encoder_port(intel_encoder);
int type = intel_encoder->type;
uint32_t temp;
@@ -966,7 +967,7 @@ void intel_ddi_enable_pipe_func(struct drm_crtc *crtc)
temp = TRANS_DDI_FUNC_ENABLE;
temp |= TRANS_DDI_SELECT_PORT(port);
- switch (intel_crtc->bpp) {
+ switch (intel_crtc->config.pipe_bpp) {
case 18:
temp |= TRANS_DDI_BPC_6;
break;
@@ -980,8 +981,7 @@ void intel_ddi_enable_pipe_func(struct drm_crtc *crtc)
temp |= TRANS_DDI_BPC_12;
break;
default:
- WARN(1, "%d bpp unsupported by transcoder DDI function\n",
- intel_crtc->bpp);
+ BUG();
}
if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)
@@ -1150,14 +1150,14 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder,
DRM_DEBUG_KMS("No pipe for ddi port %i found\n", port);
- return true;
+ return false;
}
static uint32_t intel_ddi_get_crtc_pll(struct drm_i915_private *dev_priv,
enum pipe pipe)
{
uint32_t temp, ret;
- enum port port;
+ enum port port = I915_MAX_PORTS;
enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
pipe);
int i;
@@ -1173,10 +1173,16 @@ static uint32_t intel_ddi_get_crtc_pll(struct drm_i915_private *dev_priv,
port = i;
}
- ret = I915_READ(PORT_CLK_SEL(port));
-
- DRM_DEBUG_KMS("Pipe %c connected to port %c using clock 0x%08x\n",
- pipe_name(pipe), port_name(port), ret);
+ if (port == I915_MAX_PORTS) {
+ WARN(1, "Pipe %c enabled on an unknown port\n",
+ pipe_name(pipe));
+ ret = PORT_CLK_SEL_NONE;
+ } else {
+ ret = I915_READ(PORT_CLK_SEL(port));
+ DRM_DEBUG_KMS("Pipe %c connected to port %c using clock "
+ "0x%08x\n", pipe_name(pipe), port_name(port),
+ ret);
+ }
return ret;
}
@@ -1217,7 +1223,7 @@ void intel_ddi_enable_pipe_clock(struct intel_crtc *intel_crtc)
struct drm_i915_private *dev_priv = crtc->dev->dev_private;
struct intel_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc);
enum port port = intel_ddi_get_encoder_port(intel_encoder);
- enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder;
+ enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder;
if (cpu_transcoder != TRANSCODER_EDP)
I915_WRITE(TRANS_CLK_SEL(cpu_transcoder),
@@ -1227,7 +1233,7 @@ void intel_ddi_enable_pipe_clock(struct intel_crtc *intel_crtc)
void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc)
{
struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private;
- enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder;
+ enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder;
if (cpu_transcoder != TRANSCODER_EDP)
I915_WRITE(TRANS_CLK_SEL(cpu_transcoder),
@@ -1341,15 +1347,15 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder)
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t tmp;
+ tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
+ tmp &= ~((AUDIO_OUTPUT_ENABLE_A | AUDIO_ELD_VALID_A) << (pipe * 4));
+ I915_WRITE(HSW_AUD_PIN_ELD_CP_VLD, tmp);
+
if (type == INTEL_OUTPUT_EDP) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
ironlake_edp_backlight_off(intel_dp);
}
-
- tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);
- tmp &= ~((AUDIO_OUTPUT_ENABLE_A | AUDIO_ELD_VALID_A) << (pipe * 4));
- I915_WRITE(HSW_AUD_PIN_ELD_CP_VLD, tmp);
}
int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv)
@@ -1467,19 +1473,17 @@ static void intel_ddi_destroy(struct drm_encoder *encoder)
intel_dp_encoder_destroy(encoder);
}
-static bool intel_ddi_mode_fixup(struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
+static bool intel_ddi_compute_config(struct intel_encoder *encoder,
+ struct intel_crtc_config *pipe_config)
{
- struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
- int type = intel_encoder->type;
+ int type = encoder->type;
- WARN(type == INTEL_OUTPUT_UNKNOWN, "mode_fixup() on unknown output!\n");
+ WARN(type == INTEL_OUTPUT_UNKNOWN, "compute_config() on unknown output!\n");
if (type == INTEL_OUTPUT_HDMI)
- return intel_hdmi_mode_fixup(encoder, mode, adjusted_mode);
+ return intel_hdmi_compute_config(encoder, pipe_config);
else
- return intel_dp_mode_fixup(encoder, mode, adjusted_mode);
+ return intel_dp_compute_config(encoder, pipe_config);
}
static const struct drm_encoder_funcs intel_ddi_funcs = {
@@ -1487,7 +1491,6 @@ static const struct drm_encoder_funcs intel_ddi_funcs = {
};
static const struct drm_encoder_helper_funcs intel_ddi_helper_funcs = {
- .mode_fixup = intel_ddi_mode_fixup,
.mode_set = intel_ddi_mode_set,
};
@@ -1527,6 +1530,7 @@ void intel_ddi_init(struct drm_device *dev, enum port port)
DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(encoder, &intel_ddi_helper_funcs);
+ intel_encoder->compute_config = intel_ddi_compute_config;
intel_encoder->enable = intel_enable_ddi;
intel_encoder->pre_enable = intel_ddi_pre_enable;
intel_encoder->disable = intel_disable_ddi;
@@ -1537,9 +1541,7 @@ void intel_ddi_init(struct drm_device *dev, enum port port)
intel_dig_port->port_reversal = I915_READ(DDI_BUF_CTL(port)) &
DDI_BUF_PORT_REVERSAL;
if (hdmi_connector)
- intel_dig_port->hdmi.sdvox_reg = DDI_BUF_CTL(port);
- else
- intel_dig_port->hdmi.sdvox_reg = 0;
+ intel_dig_port->hdmi.hdmi_reg = DDI_BUF_CTL(port);
intel_dig_port->dp.output_reg = DDI_BUF_CTL(port);
intel_encoder->type = INTEL_OUTPUT_UNKNOWN;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-03 06:18:03 +0000