[Intel-gfx] [PATCH v6 2/7] drm/i915/display/ddi: Make WARN* drm specific where drm_device ptr is available
Pankaj Bharadiya
pankaj.laxminarayan.bharadiya at intel.com
Wed Feb 5 17:34:14 UTC 2020
drm specific WARN* calls include device information in the
backtrace, so we know what device the warnings originate from.
Covert all the calls of WARN* with device specific drm_WARN*
variants in functions where drm_device or drm_i915_private struct
pointer is readily available.
The conversion was done automatically with below coccinelle semantic
patch. checkpatch errors/warnings are fixed manually.
@rule1@
identifier func, T;
@@
func(...) {
...
struct drm_device *T = ...;
<...
(
-WARN(
+drm_WARN(T,
...)
|
-WARN_ON(
+drm_WARN_ON(T,
...)
|
-WARN_ONCE(
+drm_WARN_ONCE(T,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(T,
...)
)
...>
}
@rule2@
identifier func, T;
@@
func(struct drm_device *T,...) {
<...
(
-WARN(
+drm_WARN(T,
...)
|
-WARN_ON(
+drm_WARN_ON(T,
...)
|
-WARN_ONCE(
+drm_WARN_ONCE(T,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(T,
...)
)
...>
}
@rule3@
identifier func, T;
@@
func(...) {
...
struct drm_i915_private *T = ...;
<+...
(
-WARN(
+drm_WARN(&T->drm,
...)
|
-WARN_ON(
+drm_WARN_ON(&T->drm,
...)
|
-WARN_ONCE(
+drm_WARN_ONCE(&T->drm,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(&T->drm,
...)
)
...+>
}
@rule4@
identifier func, T;
@@
func(struct drm_i915_private *T,...) {
<+...
(
-WARN(
+drm_WARN(&T->drm,
...)
|
-WARN_ON(
+drm_WARN_ON(&T->drm,
...)
|
-WARN_ONCE(
+drm_WARN_ONCE(&T->drm,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(&T->drm,
...)
)
...+>
}
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya at intel.com>
---
drivers/gpu/drm/i915/display/intel_ddi.c | 92 +++++++++++++-----------
1 file changed, 51 insertions(+), 41 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 1ab638e17046..9ffcee8523b6 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -980,18 +980,18 @@ static int intel_ddi_hdmi_level(struct intel_encoder *encoder)
intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries);
default_entry = 6;
} else {
- WARN(1, "ddi translation table missing\n");
+ drm_WARN(&dev_priv->drm, 1, "ddi translation table missing\n");
return 0;
}
- if (WARN_ON_ONCE(n_entries == 0))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, n_entries == 0))
return 0;
level = intel_bios_hdmi_level_shift(encoder);
if (level < 0)
level = default_entry;
- if (WARN_ON_ONCE(level >= n_entries))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries))
level = n_entries - 1;
return level;
@@ -1049,9 +1049,9 @@ static void intel_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder,
ddi_translations = intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries);
- if (WARN_ON_ONCE(!ddi_translations))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations))
return;
- if (WARN_ON_ONCE(level >= n_entries))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries))
level = n_entries - 1;
/* If we're boosting the current, set bit 31 of trans1 */
@@ -1182,7 +1182,7 @@ void hsw_fdi_link_train(struct intel_encoder *encoder,
/* Configure Port Clock Select */
ddi_pll_sel = hsw_pll_to_ddi_pll_sel(crtc_state->shared_dpll);
intel_de_write(dev_priv, PORT_CLK_SEL(PORT_E), ddi_pll_sel);
- WARN_ON(ddi_pll_sel != PORT_CLK_SEL_SPLL);
+ drm_WARN_ON(&dev_priv->drm, ddi_pll_sel != PORT_CLK_SEL_SPLL);
/* Start the training iterating through available voltages and emphasis,
* testing each value twice. */
@@ -1291,8 +1291,9 @@ intel_ddi_get_crtc_encoder(struct intel_crtc *crtc)
}
if (num_encoders != 1)
- WARN(1, "%d encoders on crtc for pipe %c\n", num_encoders,
- pipe_name(crtc->pipe));
+ drm_WARN(dev, 1, "%d encoders on crtc for pipe %c\n",
+ num_encoders,
+ pipe_name(crtc->pipe));
BUG_ON(ret == NULL);
return ret;
@@ -1450,7 +1451,7 @@ int cnl_calc_wrpll_link(struct drm_i915_private *dev_priv,
dco_freq += (((pll_state->cfgcr0 & DPLL_CFGCR0_DCO_FRACTION_MASK) >>
DPLL_CFGCR0_DCO_FRACTION_SHIFT) * ref_clock) / 0x8000;
- if (WARN_ON(p0 == 0 || p1 == 0 || p2 == 0))
+ if (drm_WARN_ON(&dev_priv->drm, p0 == 0 || p1 == 0 || p2 == 0))
return 0;
return dco_freq / (p0 * p1 * p2 * 5);
@@ -1638,7 +1639,7 @@ static void cnl_ddi_clock_get(struct intel_encoder *encoder,
link_clock = 405000;
break;
default:
- WARN(1, "Unsupported link rate\n");
+ drm_WARN(&dev_priv->drm, 1, "Unsupported link rate\n");
break;
}
link_clock *= 2;
@@ -1730,12 +1731,12 @@ static void hsw_ddi_clock_get(struct intel_encoder *encoder,
else if (pll == SPLL_FREQ_2700MHz)
link_clock = 270000;
else {
- WARN(1, "bad spll freq\n");
+ drm_WARN(&dev_priv->drm, 1, "bad spll freq\n");
return;
}
break;
default:
- WARN(1, "bad port clock sel\n");
+ drm_WARN(&dev_priv->drm, 1, "bad port clock sel\n");
return;
}
@@ -1796,7 +1797,7 @@ void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
if (!intel_crtc_has_dp_encoder(crtc_state))
return;
- WARN_ON(transcoder_is_dsi(cpu_transcoder));
+ drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder));
temp = DP_MSA_MISC_SYNC_CLOCK;
@@ -1819,8 +1820,8 @@ void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
}
/* nonsense combination */
- WARN_ON(crtc_state->limited_color_range &&
- crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB);
+ drm_WARN_ON(&dev_priv->drm, crtc_state->limited_color_range &&
+ crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB);
if (crtc_state->limited_color_range)
temp |= DP_MSA_MISC_COLOR_CEA_RGB;
@@ -1936,7 +1937,8 @@ intel_ddi_transcoder_func_reg_val_get(const struct intel_crtc_state *crtc_state)
enum transcoder master;
master = crtc_state->mst_master_transcoder;
- WARN_ON(master == INVALID_TRANSCODER);
+ drm_WARN_ON(&dev_priv->drm,
+ master == INVALID_TRANSCODER);
temp |= TRANS_DDI_MST_TRANSPORT_SELECT(master);
}
} else {
@@ -2015,10 +2017,11 @@ int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder,
wakeref = intel_display_power_get_if_enabled(dev_priv,
intel_encoder->power_domain);
- if (WARN_ON(!wakeref))
+ if (drm_WARN_ON(dev, !wakeref))
return -ENXIO;
- if (WARN_ON(!intel_encoder->get_hw_state(intel_encoder, &pipe))) {
+ if (drm_WARN_ON(dev,
+ !intel_encoder->get_hw_state(intel_encoder, &pipe))) {
ret = -EIO;
goto out;
}
@@ -2255,7 +2258,8 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder,
* happen since fake-MST encoders don't set their get_power_domains()
* hook.
*/
- if (WARN_ON(intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)))
+ if (drm_WARN_ON(&dev_priv->drm,
+ intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)))
return;
dig_port = enc_to_dig_port(encoder);
@@ -2353,9 +2357,9 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder,
else
ddi_translations = intel_ddi_get_buf_trans_dp(dev_priv, port, &n_entries);
- if (WARN_ON_ONCE(!ddi_translations))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations))
return;
- if (WARN_ON_ONCE(level >= n_entries))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries))
level = n_entries - 1;
iboost = ddi_translations[level].i_boost;
@@ -2388,9 +2392,9 @@ static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder,
else
ddi_translations = bxt_get_buf_trans_dp(dev_priv, &n_entries);
- if (WARN_ON_ONCE(!ddi_translations))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations))
return;
- if (WARN_ON_ONCE(level >= n_entries))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries))
level = n_entries - 1;
bxt_ddi_phy_set_signal_level(dev_priv, port,
@@ -2437,9 +2441,10 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder)
intel_ddi_get_buf_trans_dp(dev_priv, port, &n_entries);
}
- if (WARN_ON(n_entries < 1))
+ if (drm_WARN_ON(&dev_priv->drm, n_entries < 1))
n_entries = 1;
- if (WARN_ON(n_entries > ARRAY_SIZE(index_to_dp_signal_levels)))
+ if (drm_WARN_ON(&dev_priv->drm,
+ n_entries > ARRAY_SIZE(index_to_dp_signal_levels)))
n_entries = ARRAY_SIZE(index_to_dp_signal_levels);
return index_to_dp_signal_levels[n_entries - 1] &
@@ -2482,9 +2487,9 @@ static void cnl_ddi_vswing_program(struct intel_encoder *encoder,
else
ddi_translations = cnl_get_buf_trans_dp(dev_priv, &n_entries);
- if (WARN_ON_ONCE(!ddi_translations))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations))
return;
- if (WARN_ON_ONCE(level >= n_entries))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries))
level = n_entries - 1;
/* Set PORT_TX_DW5 Scaling Mode Sel to 010b. */
@@ -3013,7 +3018,8 @@ static void icl_map_plls_to_ports(struct intel_encoder *encoder,
mutex_lock(&dev_priv->dpll_lock);
val = intel_de_read(dev_priv, ICL_DPCLKA_CFGCR0);
- WARN_ON((val & icl_dpclka_cfgcr0_clk_off(dev_priv, phy)) == 0);
+ drm_WARN_ON(&dev_priv->drm,
+ (val & icl_dpclka_cfgcr0_clk_off(dev_priv, phy)) == 0);
if (intel_phy_is_combo(dev_priv, phy)) {
/*
@@ -3072,7 +3078,7 @@ static void icl_sanitize_port_clk_off(struct drm_i915_private *dev_priv,
* Punt on the case now where clock is gated, but it would
* be needed by the port. Something else is really broken then.
*/
- if (WARN_ON(ddi_clk_needed))
+ if (drm_WARN_ON(&dev_priv->drm, ddi_clk_needed))
continue;
DRM_NOTE("PHY %c is disabled/in DSI mode with an ungated DDI clock, gate it\n",
@@ -3104,7 +3110,7 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder)
* In the unlikely case that BIOS enables DP in MST mode, just
* warn since our MST HW readout is incomplete.
*/
- if (WARN_ON(is_mst))
+ if (drm_WARN_ON(&dev_priv->drm, is_mst))
return;
}
@@ -3123,7 +3129,8 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder)
if (other_encoder == encoder)
continue;
- if (WARN_ON(port_mask & BIT(other_encoder->port)))
+ if (drm_WARN_ON(&dev_priv->drm,
+ port_mask & BIT(other_encoder->port)))
return;
}
/*
@@ -3145,7 +3152,7 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder,
u32 val;
const struct intel_shared_dpll *pll = crtc_state->shared_dpll;
- if (WARN_ON(!pll))
+ if (drm_WARN_ON(&dev_priv->drm, !pll))
return;
mutex_lock(&dev_priv->dpll_lock);
@@ -3251,7 +3258,8 @@ icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port,
switch (pin_assignment) {
case 0x0:
- WARN_ON(intel_dig_port->tc_mode != TC_PORT_LEGACY);
+ drm_WARN_ON(&dev_priv->drm,
+ intel_dig_port->tc_mode != TC_PORT_LEGACY);
if (width == 1) {
ln1 |= MG_DP_MODE_CFG_DP_X1_MODE;
} else {
@@ -3508,9 +3516,10 @@ static void hsw_ddi_pre_enable_dp(struct intel_encoder *encoder,
int level = intel_ddi_dp_level(intel_dp);
if (INTEL_GEN(dev_priv) < 11)
- WARN_ON(is_mst && (port == PORT_A || port == PORT_E));
+ drm_WARN_ON(&dev_priv->drm,
+ is_mst && (port == PORT_A || port == PORT_E));
else
- WARN_ON(is_mst && port == PORT_A);
+ drm_WARN_ON(&dev_priv->drm, is_mst && port == PORT_A);
intel_dp_set_link_params(intel_dp, crtc_state->port_clock,
crtc_state->lane_count, is_mst);
@@ -3648,7 +3657,7 @@ static void intel_ddi_pre_enable(struct intel_encoder *encoder,
* the DP link parameteres
*/
- WARN_ON(crtc_state->has_pch_encoder);
+ drm_WARN_ON(&dev_priv->drm, crtc_state->has_pch_encoder);
if (INTEL_GEN(dev_priv) >= 11)
icl_map_plls_to_ports(encoder, crtc_state);
@@ -3922,9 +3931,9 @@ gen9_chicken_trans_reg_by_port(struct drm_i915_private *dev_priv,
[PORT_E] = TRANSCODER_A,
};
- WARN_ON(INTEL_GEN(dev_priv) < 9);
+ drm_WARN_ON(&dev_priv->drm, INTEL_GEN(dev_priv) < 9);
- if (WARN_ON(port < PORT_A || port > PORT_E))
+ if (drm_WARN_ON(&dev_priv->drm, port < PORT_A || port > PORT_E))
port = PORT_A;
return CHICKEN_TRANS(trans[port]);
@@ -4218,7 +4227,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
u32 temp, flags = 0;
/* XXX: DSI transcoder paranoia */
- if (WARN_ON(transcoder_is_dsi(cpu_transcoder)))
+ if (drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder)))
return;
intel_dsc_get_config(encoder, pipe_config);
@@ -4515,7 +4524,8 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder,
crtc_state = to_intel_crtc_state(crtc->base.state);
- WARN_ON(!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI));
+ drm_WARN_ON(&dev_priv->drm,
+ !intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI));
if (!crtc_state->hw.active)
return 0;
@@ -4766,7 +4776,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
encoder->update_complete = intel_ddi_update_complete;
}
- WARN_ON(port > PORT_I);
+ drm_WARN_ON(&dev_priv->drm, port > PORT_I);
intel_dig_port->ddi_io_power_domain = POWER_DOMAIN_PORT_DDI_A_IO +
port - PORT_A;
--
2.23.0
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