drm/i915: Store power sequencer delays in intel_dp
The power seqeuncer delays are fixed for a given panel, so we can keep
them around once computed.
Not that on VLV/CHV we still re-compute them every time we initialize
the power seqeuncer registers, but that will change soon enough.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 9076e9a..2694031 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -283,12 +283,10 @@
static void
intel_dp_init_panel_power_sequencer(struct drm_device *dev,
- struct intel_dp *intel_dp,
- struct edp_power_seq *out);
+ struct intel_dp *intel_dp);
static void
intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
- struct intel_dp *intel_dp,
- struct edp_power_seq *out);
+ struct intel_dp *intel_dp);
static void pps_lock(struct intel_dp *intel_dp)
{
@@ -330,7 +328,6 @@
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_encoder *encoder;
unsigned int pipes = (1 << PIPE_A) | (1 << PIPE_B);
- struct edp_power_seq power_seq;
lockdep_assert_held(&dev_priv->pps_mutex);
@@ -368,9 +365,8 @@
port_name(intel_dig_port->port));
/* init power sequencer on this pipe and port */
- intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq);
- intel_dp_init_panel_power_sequencer_registers(dev, intel_dp,
- &power_seq);
+ intel_dp_init_panel_power_sequencer(dev, intel_dp);
+ intel_dp_init_panel_power_sequencer_registers(dev, intel_dp);
return intel_dp->pps_pipe;
}
@@ -425,7 +421,6 @@
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 edp_power_seq power_seq;
enum port port = intel_dig_port->port;
lockdep_assert_held(&dev_priv->pps_mutex);
@@ -453,9 +448,8 @@
DRM_DEBUG_KMS("initial power sequencer for port %c: pipe %c\n",
port_name(port), pipe_name(intel_dp->pps_pipe));
- intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq);
- intel_dp_init_panel_power_sequencer_registers(dev, intel_dp,
- &power_seq);
+ intel_dp_init_panel_power_sequencer(dev, intel_dp);
+ intel_dp_init_panel_power_sequencer_registers(dev, intel_dp);
}
void vlv_power_sequencer_reset(struct drm_i915_private *dev_priv)
@@ -2620,7 +2614,6 @@
struct drm_device *dev = encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
- struct edp_power_seq power_seq;
lockdep_assert_held(&dev_priv->pps_mutex);
@@ -2648,9 +2641,8 @@
pipe_name(intel_dp->pps_pipe), port_name(intel_dig_port->port));
/* init power sequencer on this pipe and port */
- intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq);
- intel_dp_init_panel_power_sequencer_registers(dev, intel_dp,
- &power_seq);
+ intel_dp_init_panel_power_sequencer(dev, intel_dp);
+ intel_dp_init_panel_power_sequencer_registers(dev, intel_dp);
}
static void vlv_pre_enable_dp(struct intel_encoder *encoder)
@@ -4731,11 +4723,11 @@
static void
intel_dp_init_panel_power_sequencer(struct drm_device *dev,
- struct intel_dp *intel_dp,
- struct edp_power_seq *out)
+ struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct edp_power_seq cur, vbt, spec, final;
+ struct edp_power_seq cur, vbt, spec,
+ *final = &intel_dp->pps_delays;
u32 pp_on, pp_off, pp_div, pp;
int pp_ctrl_reg, pp_on_reg, pp_off_reg, pp_div_reg;
@@ -4802,7 +4794,7 @@
/* Use the max of the register settings and vbt. If both are
* unset, fall back to the spec limits. */
-#define assign_final(field) final.field = (max(cur.field, vbt.field) == 0 ? \
+#define assign_final(field) final->field = (max(cur.field, vbt.field) == 0 ? \
spec.field : \
max(cur.field, vbt.field))
assign_final(t1_t3);
@@ -4812,7 +4804,7 @@
assign_final(t11_t12);
#undef assign_final
-#define get_delay(field) (DIV_ROUND_UP(final.field, 10))
+#define get_delay(field) (DIV_ROUND_UP(final->field, 10))
intel_dp->panel_power_up_delay = get_delay(t1_t3);
intel_dp->backlight_on_delay = get_delay(t8);
intel_dp->backlight_off_delay = get_delay(t9);
@@ -4826,21 +4818,18 @@
DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
-
- if (out)
- *out = final;
}
static void
intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
- struct intel_dp *intel_dp,
- struct edp_power_seq *seq)
+ struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dev->dev_private;
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;
enum port port = dp_to_dig_port(intel_dp)->port;
+ const struct edp_power_seq *seq = &intel_dp->pps_delays;
lockdep_assert_held(&dev_priv->pps_mutex);
@@ -5058,8 +5047,7 @@
}
static bool intel_edp_init_connector(struct intel_dp *intel_dp,
- struct intel_connector *intel_connector,
- struct edp_power_seq *power_seq)
+ struct intel_connector *intel_connector)
{
struct drm_connector *connector = &intel_connector->base;
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
@@ -5095,7 +5083,7 @@
/* We now know it's not a ghost, init power sequence regs. */
pps_lock(intel_dp);
- intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, power_seq);
+ intel_dp_init_panel_power_sequencer_registers(dev, intel_dp);
pps_unlock(intel_dp);
mutex_lock(&dev->mode_config.mutex);
@@ -5156,7 +5144,6 @@
struct drm_device *dev = intel_encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
enum port port = intel_dig_port->port;
- struct edp_power_seq power_seq = { 0 };
int type;
intel_dp->pps_pipe = INVALID_PIPE;
@@ -5246,8 +5233,7 @@
vlv_initial_power_sequencer_setup(intel_dp);
} else {
intel_dp_init_panel_power_timestamps(intel_dp);
- intel_dp_init_panel_power_sequencer(dev, intel_dp,
- &power_seq);
+ intel_dp_init_panel_power_sequencer(dev, intel_dp);
}
pps_unlock(intel_dp);
}
@@ -5262,7 +5248,7 @@
}
}
- if (!intel_edp_init_connector(intel_dp, intel_connector, &power_seq)) {
+ if (!intel_edp_init_connector(intel_dp, intel_connector)) {
drm_dp_aux_unregister(&intel_dp->aux);
if (is_edp(intel_dp)) {
cancel_delayed_work_sync(&intel_dp->panel_vdd_work);