From: Ville Syrjälä <ville.syrj...@linux.intel.com>
In preparation for re-introducing HSW's different PSR1 register
offeets let's just wrap all the registers into functions.
Avoids having to make the register macros more complex.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_psr.c | 99 ++++++++++++++++--------
1 file changed, 65 insertions(+), 34 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
b/drivers/gpu/drm/i915/display/intel_psr.c
index ea0389c5f656..60518d5d0c4e 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -234,23 +234,61 @@ static u32 psr_irq_mask_get(struct intel_dp *intel_dp)
EDP_PSR_MASK(intel_dp->psr.transcoder);
}
+static i915_reg_t psr_ctl_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ return EDP_PSR_CTL(cpu_transcoder);
+}
+
+static i915_reg_t psr_debug_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ return EDP_PSR_DEBUG(cpu_transcoder);
+}
+
+static i915_reg_t psr_perf_cnt_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ return EDP_PSR_PERF_CNT(cpu_transcoder);
+}
+
+static i915_reg_t psr_status_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ return EDP_PSR_STATUS(cpu_transcoder);
+}
+
+static i915_reg_t psr_imr_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ if (DISPLAY_VER(dev_priv) >= 12)
+ return TRANS_PSR_IMR(cpu_transcoder);
+ else
+ return EDP_PSR_IMR;
+}
+
+static i915_reg_t psr_iir_reg(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ if (DISPLAY_VER(dev_priv) >= 12)
+ return TRANS_PSR_IIR(cpu_transcoder);
+ else
+ return EDP_PSR_IIR;
+}
+
static void psr_irq_control(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- i915_reg_t imr_reg;
+ enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
u32 mask;
- if (DISPLAY_VER(dev_priv) >= 12)
- imr_reg = TRANS_PSR_IMR(intel_dp->psr.transcoder);
- else
- imr_reg = EDP_PSR_IMR;
-
mask = psr_irq_psr_error_bit_get(intel_dp);
if (intel_dp->psr.debug & I915_PSR_DEBUG_IRQ)
mask |= psr_irq_post_exit_bit_get(intel_dp) |
psr_irq_pre_entry_bit_get(intel_dp);
- intel_de_rmw(dev_priv, imr_reg, psr_irq_mask_get(intel_dp), ~mask);
+ intel_de_rmw(dev_priv, psr_imr_reg(dev_priv, cpu_transcoder),
+ psr_irq_mask_get(intel_dp), ~mask);
}
static void psr_event_print(struct drm_i915_private *i915,
@@ -296,12 +334,6 @@ void intel_psr_irq_handler(struct intel_dp *intel_dp, u32
psr_iir)
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
ktime_t time_ns = ktime_get();
- i915_reg_t imr_reg;
-
- if (DISPLAY_VER(dev_priv) >= 12)
- imr_reg = TRANS_PSR_IMR(cpu_transcoder);
- else
- imr_reg = EDP_PSR_IMR;
if (psr_iir & psr_irq_pre_entry_bit_get(intel_dp)) {
intel_dp->psr.last_entry_attempt = time_ns;
@@ -339,7 +371,8 @@ void intel_psr_irq_handler(struct intel_dp *intel_dp, u32
psr_iir)
* again so we don't care about unmask the interruption
* or unset irq_aux_error.
*/
- intel_de_rmw(dev_priv, imr_reg, 0,
psr_irq_psr_error_bit_get(intel_dp));
+ intel_de_rmw(dev_priv, psr_imr_reg(dev_priv, cpu_transcoder),
+ 0, psr_irq_psr_error_bit_get(intel_dp));
schedule_work(&intel_dp->psr.work);
}
@@ -577,7 +610,7 @@ static void hsw_activate_psr1(struct intel_dp *intel_dp)
if (DISPLAY_VER(dev_priv) >= 8)
val |= EDP_PSR_CRC_ENABLE;
- intel_de_rmw(dev_priv, EDP_PSR_CTL(cpu_transcoder),
+ intel_de_rmw(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder),
~EDP_PSR_RESTORE_PSR_ACTIVE_CTX_MASK, val);
}
@@ -685,7 +718,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
* PSR2 HW is incorrectly using EDP_PSR_TP1_TP3_SEL and BSpec is
* recommending keep this bit unset while PSR2 is enabled.
*/
- intel_de_write(dev_priv, EDP_PSR_CTL(cpu_transcoder), 0);
+ intel_de_write(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder), 0);
intel_de_write(dev_priv, EDP_PSR2_CTL(cpu_transcoder), val);
}
@@ -1201,13 +1234,15 @@ static void intel_psr_activate(struct intel_dp
*intel_dp)
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
- if (transcoder_has_psr2(dev_priv, cpu_transcoder))
- drm_WARN_ON(&dev_priv->drm,
- intel_de_read(dev_priv,
EDP_PSR2_CTL(cpu_transcoder)) & EDP_PSR2_ENABLE);
+ drm_WARN_ON(&dev_priv->drm,
+ transcoder_has_psr2(dev_priv, cpu_transcoder) &&
+ intel_de_read(dev_priv, EDP_PSR2_CTL(cpu_transcoder)) &
EDP_PSR2_ENABLE);
drm_WARN_ON(&dev_priv->drm,
- intel_de_read(dev_priv, EDP_PSR_CTL(cpu_transcoder)) &
EDP_PSR_ENABLE);
+ intel_de_read(dev_priv, psr_ctl_reg(dev_priv,
cpu_transcoder)) & EDP_PSR_ENABLE);
+
drm_WARN_ON(&dev_priv->drm, intel_dp->psr.active);
+
lockdep_assert_held(&intel_dp->psr.lock);
/* psr1 and psr2 are mutually exclusive.*/
@@ -1285,8 +1320,7 @@ static void intel_psr_enable_source(struct intel_dp
*intel_dp,
if (DISPLAY_VER(dev_priv) < 11)
mask |= EDP_PSR_DEBUG_MASK_DISP_REG_WRITE;
- intel_de_write(dev_priv, EDP_PSR_DEBUG(cpu_transcoder),
- mask);
+ intel_de_write(dev_priv, psr_debug_reg(dev_priv, cpu_transcoder), mask);
psr_irq_control(intel_dp);
@@ -1352,10 +1386,7 @@ static bool psr_interrupt_error_check(struct intel_dp
*intel_dp)
* first time that PSR HW tries to activate so lets keep PSR disabled
* to avoid any rendering problems.
*/
- if (DISPLAY_VER(dev_priv) >= 12)
- val = intel_de_read(dev_priv, TRANS_PSR_IIR(cpu_transcoder));
- else
- val = intel_de_read(dev_priv, EDP_PSR_IIR);
+ val = intel_de_read(dev_priv, psr_iir_reg(dev_priv, cpu_transcoder));
val &= psr_irq_psr_error_bit_get(intel_dp);
if (val) {
intel_dp->psr.sink_not_reliable = true;
@@ -1418,7 +1449,7 @@ static void intel_psr_exit(struct intel_dp *intel_dp)
drm_WARN_ON(&dev_priv->drm, val & EDP_PSR2_ENABLE);
}
- val = intel_de_read(dev_priv, EDP_PSR_CTL(cpu_transcoder));
+ val = intel_de_read(dev_priv, psr_ctl_reg(dev_priv,
cpu_transcoder));
drm_WARN_ON(&dev_priv->drm, val & EDP_PSR_ENABLE);
return;
@@ -1432,7 +1463,7 @@ static void intel_psr_exit(struct intel_dp *intel_dp)
drm_WARN_ON(&dev_priv->drm, !(val & EDP_PSR2_ENABLE));
} else {
- val = intel_de_rmw(dev_priv, EDP_PSR_CTL(cpu_transcoder),
+ val = intel_de_rmw(dev_priv, psr_ctl_reg(dev_priv,
cpu_transcoder),
EDP_PSR_ENABLE, 0);
drm_WARN_ON(&dev_priv->drm, !(val & EDP_PSR_ENABLE));
@@ -1451,7 +1482,7 @@ static void intel_psr_wait_exit_locked(struct intel_dp
*intel_dp)
psr_status = EDP_PSR2_STATUS(cpu_transcoder);
psr_status_mask = EDP_PSR2_STATUS_STATE_MASK;
} else {
- psr_status = EDP_PSR_STATUS(cpu_transcoder);
+ psr_status = psr_status_reg(dev_priv, cpu_transcoder);
psr_status_mask = EDP_PSR_STATUS_STATE_MASK;
}
@@ -2151,7 +2182,7 @@ static int _psr1_ready_for_pipe_update_locked(struct
intel_dp *intel_dp)
* defensive enough to cover everything.
*/
return intel_de_wait_for_clear(dev_priv,
- EDP_PSR_STATUS(cpu_transcoder),
+ psr_status_reg(dev_priv, cpu_transcoder),
EDP_PSR_STATUS_STATE_MASK, 50);
}
@@ -2205,7 +2236,7 @@ static bool __psr_wait_for_idle_locked(struct intel_dp
*intel_dp)
reg = EDP_PSR2_STATUS(cpu_transcoder);
mask = EDP_PSR2_STATUS_STATE_MASK;
} else {
- reg = EDP_PSR_STATUS(cpu_transcoder);
+ reg = psr_status_reg(dev_priv, cpu_transcoder);
mask = EDP_PSR_STATUS_STATE_MASK;
}
@@ -2823,7 +2854,7 @@ psr_source_status(struct intel_dp *intel_dp, struct
seq_file *m)
"SRDOFFACK",
"SRDENT_ON",
};
- val = intel_de_read(dev_priv, EDP_PSR_STATUS(cpu_transcoder));
+ val = intel_de_read(dev_priv, psr_status_reg(dev_priv,
cpu_transcoder));
status_val = REG_FIELD_GET(EDP_PSR_STATUS_STATE_MASK, val);
if (status_val < ARRAY_SIZE(live_status))
status = live_status[status_val];
@@ -2870,7 +2901,7 @@ static int intel_psr_status(struct seq_file *m, struct
intel_dp *intel_dp)
val = intel_de_read(dev_priv, EDP_PSR2_CTL(cpu_transcoder));
enabled = val & EDP_PSR2_ENABLE;
} else {
- val = intel_de_read(dev_priv, EDP_PSR_CTL(cpu_transcoder));
+ val = intel_de_read(dev_priv, psr_ctl_reg(dev_priv,
cpu_transcoder));
enabled = val & EDP_PSR_ENABLE;
}
seq_printf(m, "Source PSR ctl: %s [0x%08x]\n",
@@ -2882,7 +2913,7 @@ static int intel_psr_status(struct seq_file *m, struct
intel_dp *intel_dp)
/*
* SKL+ Perf counter is reset to 0 everytime DC state is entered
*/
- val = intel_de_read(dev_priv, EDP_PSR_PERF_CNT(cpu_transcoder));
+ val = intel_de_read(dev_priv, psr_perf_cnt_reg(dev_priv,
cpu_transcoder));
seq_printf(m, "Performance counter: %u\n",
REG_FIELD_GET(EDP_PSR_PERF_CNT_MASK, val));
--
2.39.3
