static bool vlv_is_psr_active_on_pipe(struct drm_device *dev, int pipe)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
uint32_t val;
val = I915_READ(VLV_PSRSTAT(pipe)) &
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct drm_device *dev = dig_port->base.base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crtc *crtc = to_intel_crtc(dig_port->base.base.crtc);
enum transcoder cpu_transcoder = crtc->config->cpu_transcoder;
i915_reg_t ctl_reg = HSW_TVIDEO_DIP_CTL(cpu_transcoder);
{
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;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_crtc *crtc = intel_dig_port->base.base.crtc;
enum pipe pipe = to_intel_crtc(crtc)->pipe;
uint32_t val;
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct drm_device *dev = dig_port->base.base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
uint32_t aux_clock_divider;
i915_reg_t aux_ctl_reg;
- int precharge = 0x3;
static const uint8_t aux_msg[] = {
[0] = DP_AUX_NATIVE_WRITE << 4,
[1] = DP_SET_POWER >> 8,
[4] = DP_SET_POWER_D0,
};
enum port port = dig_port->port;
+ u32 aux_ctl;
int i;
BUILD_BUG_ON(sizeof(aux_msg) > 20);
DP_SINK_DEVICE_AUX_FRAME_SYNC_CONF,
DP_AUX_FRAME_SYNC_ENABLE);
+ if (dev_priv->psr.link_standby)
+ drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
+ DP_PSR_ENABLE | DP_PSR_MAIN_LINK_ACTIVE);
+ else
+ drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
+ DP_PSR_ENABLE);
+
aux_ctl_reg = psr_aux_ctl_reg(dev_priv, port);
/* Setup AUX registers */
I915_WRITE(psr_aux_data_reg(dev_priv, port, i >> 2),
intel_dp_pack_aux(&aux_msg[i], sizeof(aux_msg) - i));
- if (INTEL_INFO(dev)->gen >= 9) {
- uint32_t val;
-
- val = I915_READ(aux_ctl_reg);
- val &= ~DP_AUX_CH_CTL_TIME_OUT_MASK;
- val |= DP_AUX_CH_CTL_TIME_OUT_1600us;
- val &= ~DP_AUX_CH_CTL_MESSAGE_SIZE_MASK;
- val |= (sizeof(aux_msg) << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT);
- /* Use hardcoded data values for PSR, frame sync and GTC */
- val &= ~DP_AUX_CH_CTL_PSR_DATA_AUX_REG_SKL;
- val &= ~DP_AUX_CH_CTL_FS_DATA_AUX_REG_SKL;
- val &= ~DP_AUX_CH_CTL_GTC_DATA_AUX_REG_SKL;
- I915_WRITE(aux_ctl_reg, val);
- } else {
- I915_WRITE(aux_ctl_reg,
- DP_AUX_CH_CTL_TIME_OUT_400us |
- (sizeof(aux_msg) << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) |
- (precharge << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) |
- (aux_clock_divider << DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT));
- }
-
- if (dev_priv->psr.link_standby)
- drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
- DP_PSR_ENABLE | DP_PSR_MAIN_LINK_ACTIVE);
- else
- drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
- DP_PSR_ENABLE);
+ aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, 0, sizeof(aux_msg),
+ aux_clock_divider);
+ I915_WRITE(aux_ctl_reg, aux_ctl);
}
static void vlv_psr_enable_source(struct intel_dp *intel_dp)
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct drm_device *dev = dig_port->base.base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_crtc *crtc = dig_port->base.base.crtc;
enum pipe pipe = to_intel_crtc(crtc)->pipe;
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct drm_device *dev = dig_port->base.base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_crtc *crtc = dig_port->base.base.crtc;
enum pipe pipe = to_intel_crtc(crtc)->pipe;
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct drm_device *dev = dig_port->base.base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
uint32_t max_sleep_time = 0x1f;
- /*
- * Let's respect VBT in case VBT asks a higher idle_frame value.
- * Let's use 6 as the minimum to cover all known cases including
- * the off-by-one issue that HW has in some cases. Also there are
- * cases where sink should be able to train
- * with the 5 or 6 idle patterns.
+ /* Lately it was identified that depending on panel idle frame count
+ * calculated at HW can be off by 1. So let's use what came
+ * from VBT + 1.
+ * There are also other cases where panel demands at least 4
+ * but VBT is not being set. To cover these 2 cases lets use
+ * at least 5 when VBT isn't set to be on the safest side.
*/
- uint32_t idle_frames = max(6, dev_priv->vbt.psr.idle_frames);
+ uint32_t idle_frames = dev_priv->vbt.psr.idle_frames + 1;
uint32_t val = EDP_PSR_ENABLE;
val |= max_sleep_time << EDP_PSR_MAX_SLEEP_TIME_SHIFT;
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct drm_device *dev = dig_port->base.base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_crtc *crtc = dig_port->base.base.crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ const struct drm_display_mode *adjusted_mode =
+ &intel_crtc->config->base.adjusted_mode;
+ int psr_setup_time;
lockdep_assert_held(&dev_priv->psr.lock);
WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
}
if (IS_HASWELL(dev) &&
- intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) {
+ adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
DRM_DEBUG_KMS("PSR condition failed: Interlaced is Enabled\n");
return false;
}
+ psr_setup_time = drm_dp_psr_setup_time(intel_dp->psr_dpcd);
+ if (psr_setup_time < 0) {
+ DRM_DEBUG_KMS("PSR condition failed: Invalid PSR setup time (0x%02x)\n",
+ intel_dp->psr_dpcd[1]);
+ return false;
+ }
+
+ if (intel_usecs_to_scanlines(adjusted_mode, psr_setup_time) >
+ adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vdisplay - 1) {
+ DRM_DEBUG_KMS("PSR condition failed: PSR setup time (%d us) too long\n",
+ psr_setup_time);
+ return false;
+ }
+
dev_priv->psr.source_ok = true;
return true;
}
{
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;
+ struct drm_i915_private *dev_priv = to_i915(dev);
WARN_ON(I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE);
WARN_ON(dev_priv->psr.active);
{
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;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crtc *crtc = to_intel_crtc(intel_dig_port->base.base.crtc);
if (!HAS_PSR(dev)) {
{
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;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crtc *intel_crtc =
to_intel_crtc(intel_dig_port->base.base.crtc);
uint32_t val;
if (dev_priv->psr.active) {
/* Put VLV PSR back to PSR_state 0 that is PSR Disabled. */
- if (wait_for((I915_READ(VLV_PSRSTAT(intel_crtc->pipe)) &
- VLV_EDP_PSR_IN_TRANS) == 0, 1))
+ if (intel_wait_for_register(dev_priv,
+ VLV_PSRSTAT(intel_crtc->pipe),
+ VLV_EDP_PSR_IN_TRANS,
+ 0,
+ 1))
WARN(1, "PSR transition took longer than expected\n");
val = I915_READ(VLV_PSRCTL(intel_crtc->pipe));
{
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;
+ struct drm_i915_private *dev_priv = to_i915(dev);
if (dev_priv->psr.active) {
I915_WRITE(EDP_PSR_CTL,
I915_READ(EDP_PSR_CTL) & ~EDP_PSR_ENABLE);
/* Wait till PSR is idle */
- if (_wait_for((I915_READ(EDP_PSR_STATUS_CTL) &
- EDP_PSR_STATUS_STATE_MASK) == 0,
- 2 * USEC_PER_SEC, 10 * USEC_PER_MSEC))
+ if (intel_wait_for_register(dev_priv,
+ EDP_PSR_STATUS_CTL,
+ EDP_PSR_STATUS_STATE_MASK,
+ 0,
+ 2000))
DRM_ERROR("Timed out waiting for PSR Idle State\n");
dev_priv->psr.active = false;
{
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;
+ struct drm_i915_private *dev_priv = to_i915(dev);
mutex_lock(&dev_priv->psr.lock);
if (!dev_priv->psr.enabled) {
* and be ready for re-enable.
*/
if (HAS_DDI(dev_priv)) {
- if (wait_for((I915_READ(EDP_PSR_STATUS_CTL) &
- EDP_PSR_STATUS_STATE_MASK) == 0, 50)) {
+ if (intel_wait_for_register(dev_priv,
+ EDP_PSR_STATUS_CTL,
+ EDP_PSR_STATUS_STATE_MASK,
+ 0,
+ 50)) {
DRM_ERROR("Timed out waiting for PSR Idle for re-enable\n");
return;
}
} else {
- if (wait_for((I915_READ(VLV_PSRSTAT(pipe)) &
- VLV_EDP_PSR_IN_TRANS) == 0, 1)) {
+ if (intel_wait_for_register(dev_priv,
+ VLV_PSRSTAT(pipe),
+ VLV_EDP_PSR_IN_TRANS,
+ 0,
+ 1)) {
DRM_ERROR("Timed out waiting for PSR Idle for re-enable\n");
return;
}
static void intel_psr_exit(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_dp *intel_dp = dev_priv->psr.enabled;
struct drm_crtc *crtc = dp_to_dig_port(intel_dp)->base.base.crtc;
enum pipe pipe = to_intel_crtc(crtc)->pipe;
void intel_psr_single_frame_update(struct drm_device *dev,
unsigned frontbuffer_bits)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_crtc *crtc;
enum pipe pipe;
u32 val;
void intel_psr_invalidate(struct drm_device *dev,
unsigned frontbuffer_bits)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_crtc *crtc;
enum pipe pipe;
void intel_psr_flush(struct drm_device *dev,
unsigned frontbuffer_bits, enum fb_op_origin origin)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_crtc *crtc;
enum pipe pipe;
*/
void intel_psr_init(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
dev_priv->psr_mmio_base = IS_HASWELL(dev_priv) ?
HSW_EDP_PSR_BASE : BDW_EDP_PSR_BASE;
projects / cascardo / linux.git / blobdiff