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path: root/drivers/gpu/drm/i915/intel_crt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c78
1 files changed, 49 insertions, 29 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 3fbb6fc66451..827b6ef4e9ae 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -67,7 +67,7 @@ static bool intel_crt_get_hw_state(struct intel_encoder *encoder,
enum pipe *pipe)
{
struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crt *crt = intel_encoder_to_crt(encoder);
enum intel_display_power_domain power_domain;
u32 tmp;
@@ -98,7 +98,7 @@ out:
static unsigned int intel_crt_get_flags(struct intel_encoder *encoder)
{
- struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_crt *crt = intel_encoder_to_crt(encoder);
u32 tmp, flags = 0;
@@ -146,7 +146,7 @@ static void hsw_crt_get_config(struct intel_encoder *encoder,
static void intel_crt_set_dpms(struct intel_encoder *encoder, int mode)
{
struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crt *crt = intel_encoder_to_crt(encoder);
struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode;
@@ -281,7 +281,7 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct intel_crt *crt = intel_attached_crt(connector);
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
u32 adpa;
bool ret;
@@ -301,8 +301,10 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
I915_WRITE(crt->adpa_reg, adpa);
- if (wait_for((I915_READ(crt->adpa_reg) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) == 0,
- 1000))
+ if (intel_wait_for_register(dev_priv,
+ crt->adpa_reg,
+ ADPA_CRT_HOTPLUG_FORCE_TRIGGER, 0,
+ 1000))
DRM_DEBUG_KMS("timed out waiting for FORCE_TRIGGER");
if (turn_off_dac) {
@@ -326,11 +328,26 @@ static bool valleyview_crt_detect_hotplug(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct intel_crt *crt = intel_attached_crt(connector);
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ bool reenable_hpd;
u32 adpa;
bool ret;
u32 save_adpa;
+ /*
+ * Doing a force trigger causes a hpd interrupt to get sent, which can
+ * get us stuck in a loop if we're polling:
+ * - We enable power wells and reset the ADPA
+ * - output_poll_exec does force probe on VGA, triggering a hpd
+ * - HPD handler waits for poll to unlock dev->mode_config.mutex
+ * - output_poll_exec shuts off the ADPA, unlocks
+ * dev->mode_config.mutex
+ * - HPD handler runs, resets ADPA and brings us back to the start
+ *
+ * Just disable HPD interrupts here to prevent this
+ */
+ reenable_hpd = intel_hpd_disable(dev_priv, crt->base.hpd_pin);
+
save_adpa = adpa = I915_READ(crt->adpa_reg);
DRM_DEBUG_KMS("trigger hotplug detect cycle: adpa=0x%x\n", adpa);
@@ -338,8 +355,10 @@ static bool valleyview_crt_detect_hotplug(struct drm_connector *connector)
I915_WRITE(crt->adpa_reg, adpa);
- if (wait_for((I915_READ(crt->adpa_reg) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) == 0,
- 1000)) {
+ if (intel_wait_for_register(dev_priv,
+ crt->adpa_reg,
+ ADPA_CRT_HOTPLUG_FORCE_TRIGGER, 0,
+ 1000)) {
DRM_DEBUG_KMS("timed out waiting for FORCE_TRIGGER");
I915_WRITE(crt->adpa_reg, save_adpa);
}
@@ -353,6 +372,9 @@ static bool valleyview_crt_detect_hotplug(struct drm_connector *connector)
DRM_DEBUG_KMS("valleyview hotplug adpa=0x%x, result %d\n", adpa, ret);
+ if (reenable_hpd)
+ intel_hpd_enable(dev_priv, crt->base.hpd_pin);
+
return ret;
}
@@ -367,7 +389,7 @@ static bool valleyview_crt_detect_hotplug(struct drm_connector *connector)
static bool intel_crt_detect_hotplug(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
u32 stat;
bool ret = false;
int i, tries = 0;
@@ -394,9 +416,9 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector)
CRT_HOTPLUG_FORCE_DETECT,
CRT_HOTPLUG_FORCE_DETECT);
/* wait for FORCE_DETECT to go off */
- if (wait_for((I915_READ(PORT_HOTPLUG_EN) &
- CRT_HOTPLUG_FORCE_DETECT) == 0,
- 1000))
+ if (intel_wait_for_register(dev_priv, PORT_HOTPLUG_EN,
+ CRT_HOTPLUG_FORCE_DETECT, 0,
+ 1000))
DRM_DEBUG_KMS("timed out waiting for FORCE_DETECT to go off");
}
@@ -449,7 +471,7 @@ static int intel_crt_ddc_get_modes(struct drm_connector *connector,
static bool intel_crt_detect_ddc(struct drm_connector *connector)
{
struct intel_crt *crt = intel_attached_crt(connector);
- struct drm_i915_private *dev_priv = crt->base.base.dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(crt->base.base.dev);
struct edid *edid;
struct i2c_adapter *i2c;
@@ -485,7 +507,7 @@ static enum drm_connector_status
intel_crt_load_detect(struct intel_crt *crt, uint32_t pipe)
{
struct drm_device *dev = crt->base.base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
uint32_t save_bclrpat;
uint32_t save_vtotal;
uint32_t vtotal, vactive;
@@ -600,7 +622,7 @@ static enum drm_connector_status
intel_crt_detect(struct drm_connector *connector, bool force)
{
struct drm_device *dev = connector->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crt *crt = intel_attached_crt(connector);
struct intel_encoder *intel_encoder = &crt->base;
enum intel_display_power_domain power_domain;
@@ -681,7 +703,7 @@ static void intel_crt_destroy(struct drm_connector *connector)
static int intel_crt_get_modes(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crt *crt = intel_attached_crt(connector);
struct intel_encoder *intel_encoder = &crt->base;
enum intel_display_power_domain power_domain;
@@ -713,11 +735,11 @@ static int intel_crt_set_property(struct drm_connector *connector,
return 0;
}
-static void intel_crt_reset(struct drm_connector *connector)
+void intel_crt_reset(struct drm_encoder *encoder)
{
- struct drm_device *dev = connector->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crt *crt = intel_attached_crt(connector);
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ struct intel_crt *crt = intel_encoder_to_crt(to_intel_encoder(encoder));
if (INTEL_INFO(dev)->gen >= 5) {
u32 adpa;
@@ -739,10 +761,11 @@ static void intel_crt_reset(struct drm_connector *connector)
*/
static const struct drm_connector_funcs intel_crt_connector_funcs = {
- .reset = intel_crt_reset,
.dpms = drm_atomic_helper_connector_dpms,
.detect = intel_crt_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
+ .late_register = intel_connector_register,
+ .early_unregister = intel_connector_unregister,
.destroy = intel_crt_destroy,
.set_property = intel_crt_set_property,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
@@ -753,10 +776,10 @@ static const struct drm_connector_funcs intel_crt_connector_funcs = {
static const struct drm_connector_helper_funcs intel_crt_connector_helper_funcs = {
.mode_valid = intel_crt_mode_valid,
.get_modes = intel_crt_get_modes,
- .best_encoder = intel_best_encoder,
};
static const struct drm_encoder_funcs intel_crt_enc_funcs = {
+ .reset = intel_crt_reset,
.destroy = intel_encoder_destroy,
};
@@ -791,7 +814,7 @@ void intel_crt_init(struct drm_device *dev)
struct drm_connector *connector;
struct intel_crt *crt;
struct intel_connector *intel_connector;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
i915_reg_t adpa_reg;
u32 adpa;
@@ -839,7 +862,7 @@ void intel_crt_init(struct drm_device *dev)
&intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
drm_encoder_init(dev, &crt->base.base, &intel_crt_enc_funcs,
- DRM_MODE_ENCODER_DAC, NULL);
+ DRM_MODE_ENCODER_DAC, "CRT");
intel_connector_attach_encoder(intel_connector, &crt->base);
@@ -876,12 +899,9 @@ void intel_crt_init(struct drm_device *dev)
crt->base.get_hw_state = intel_crt_get_hw_state;
}
intel_connector->get_hw_state = intel_connector_get_hw_state;
- intel_connector->unregister = intel_connector_unregister;
drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs);
- drm_connector_register(connector);
-
if (!I915_HAS_HOTPLUG(dev))
intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT;
@@ -902,5 +922,5 @@ void intel_crt_init(struct drm_device *dev)
dev_priv->fdi_rx_config = I915_READ(FDI_RX_CTL(PIPE_A)) & fdi_config;
}
- intel_crt_reset(connector);
+ intel_crt_reset(&crt->base.base);
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-22 02:12:18 +0300