[Intel-gfx] [PATCH v7 1/8] drm/i915/display/cdclk: Make WARN* drm specific where drm_priv ptr is available
Pankaj Bharadiya
pankaj.laxminarayan.bharadiya at intel.com
Thu Feb 20 16:55:00 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_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_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,
...)
)
...+>
}
@rule2@
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_cdclk.c | 84 ++++++++++++----------
1 file changed, 48 insertions(+), 36 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 146c2b9bb7fb..0741d643455b 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -525,7 +525,8 @@ static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv)
* FIXME is this guaranteed to clear
* immediately or should we poll for it?
*/
- WARN_ON(intel_de_read(dev_priv, GCI_CONTROL) & PFI_CREDIT_RESEND);
+ drm_WARN_ON(&dev_priv->drm,
+ intel_de_read(dev_priv, GCI_CONTROL) & PFI_CREDIT_RESEND);
}
static void vlv_set_cdclk(struct drm_i915_private *dev_priv,
@@ -727,12 +728,13 @@ static void bdw_set_cdclk(struct drm_i915_private *dev_priv,
u32 val;
int ret;
- if (WARN((intel_de_read(dev_priv, LCPLL_CTL) &
- (LCPLL_PLL_DISABLE | LCPLL_PLL_LOCK |
- LCPLL_CD_CLOCK_DISABLE | LCPLL_ROOT_CD_CLOCK_DISABLE |
- LCPLL_CD2X_CLOCK_DISABLE | LCPLL_POWER_DOWN_ALLOW |
- LCPLL_CD_SOURCE_FCLK)) != LCPLL_PLL_LOCK,
- "trying to change cdclk frequency with cdclk not enabled\n"))
+ if (drm_WARN(&dev_priv->drm,
+ (intel_de_read(dev_priv, LCPLL_CTL) &
+ (LCPLL_PLL_DISABLE | LCPLL_PLL_LOCK |
+ LCPLL_CD_CLOCK_DISABLE | LCPLL_ROOT_CD_CLOCK_DISABLE |
+ LCPLL_CD2X_CLOCK_DISABLE | LCPLL_POWER_DOWN_ALLOW |
+ LCPLL_CD_SOURCE_FCLK)) != LCPLL_PLL_LOCK,
+ "trying to change cdclk frequency with cdclk not enabled\n"))
return;
ret = sandybridge_pcode_write(dev_priv,
@@ -842,15 +844,16 @@ static void skl_dpll0_update(struct drm_i915_private *dev_priv,
if ((val & LCPLL_PLL_ENABLE) == 0)
return;
- if (WARN_ON((val & LCPLL_PLL_LOCK) == 0))
+ if (drm_WARN_ON(&dev_priv->drm, (val & LCPLL_PLL_LOCK) == 0))
return;
val = intel_de_read(dev_priv, DPLL_CTRL1);
- if (WARN_ON((val & (DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) |
- DPLL_CTRL1_SSC(SKL_DPLL0) |
- DPLL_CTRL1_OVERRIDE(SKL_DPLL0))) !=
- DPLL_CTRL1_OVERRIDE(SKL_DPLL0)))
+ if (drm_WARN_ON(&dev_priv->drm,
+ (val & (DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) |
+ DPLL_CTRL1_SSC(SKL_DPLL0) |
+ DPLL_CTRL1_OVERRIDE(SKL_DPLL0))) !=
+ DPLL_CTRL1_OVERRIDE(SKL_DPLL0)))
return;
switch (val & DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)) {
@@ -952,7 +955,7 @@ static void skl_dpll0_enable(struct drm_i915_private *dev_priv, int vco)
{
u32 val;
- WARN_ON(vco != 8100000 && vco != 8640000);
+ drm_WARN_ON(&dev_priv->drm, vco != 8100000 && vco != 8640000);
/*
* We always enable DPLL0 with the lowest link rate possible, but still
@@ -1017,7 +1020,8 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv,
* use the corresponding VCO freq as that always leads to using the
* minimum 308MHz CDCLK.
*/
- WARN_ON_ONCE(IS_SKYLAKE(dev_priv) && vco == 8640000);
+ drm_WARN_ON_ONCE(&dev_priv->drm,
+ IS_SKYLAKE(dev_priv) && vco == 8640000);
ret = skl_pcode_request(dev_priv, SKL_PCODE_CDCLK_CONTROL,
SKL_CDCLK_PREPARE_FOR_CHANGE,
@@ -1032,8 +1036,9 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv,
/* Choose frequency for this cdclk */
switch (cdclk) {
default:
- WARN_ON(cdclk != dev_priv->cdclk.hw.bypass);
- WARN_ON(vco != 0);
+ drm_WARN_ON(&dev_priv->drm,
+ cdclk != dev_priv->cdclk.hw.bypass);
+ drm_WARN_ON(&dev_priv->drm, vco != 0);
/* fall through */
case 308571:
case 337500:
@@ -1235,8 +1240,9 @@ static int bxt_calc_cdclk(struct drm_i915_private *dev_priv, int min_cdclk)
table[i].cdclk >= min_cdclk)
return table[i].cdclk;
- WARN(1, "Cannot satisfy minimum cdclk %d with refclk %u\n",
- min_cdclk, dev_priv->cdclk.hw.ref);
+ drm_WARN(&dev_priv->drm, 1,
+ "Cannot satisfy minimum cdclk %d with refclk %u\n",
+ min_cdclk, dev_priv->cdclk.hw.ref);
return 0;
}
@@ -1253,8 +1259,8 @@ static int bxt_calc_cdclk_pll_vco(struct drm_i915_private *dev_priv, int cdclk)
table[i].cdclk == cdclk)
return dev_priv->cdclk.hw.ref * table[i].ratio;
- WARN(1, "cdclk %d not valid for refclk %u\n",
- cdclk, dev_priv->cdclk.hw.ref);
+ drm_WARN(&dev_priv->drm, 1, "cdclk %d not valid for refclk %u\n",
+ cdclk, dev_priv->cdclk.hw.ref);
return 0;
}
@@ -1399,15 +1405,17 @@ static void bxt_get_cdclk(struct drm_i915_private *dev_priv,
div = 2;
break;
case BXT_CDCLK_CD2X_DIV_SEL_1_5:
- WARN(IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) >= 10,
- "Unsupported divider\n");
+ drm_WARN(&dev_priv->drm,
+ IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) >= 10,
+ "Unsupported divider\n");
div = 3;
break;
case BXT_CDCLK_CD2X_DIV_SEL_2:
div = 4;
break;
case BXT_CDCLK_CD2X_DIV_SEL_4:
- WARN(INTEL_GEN(dev_priv) >= 10, "Unsupported divider\n");
+ drm_WARN(&dev_priv->drm, INTEL_GEN(dev_priv) >= 10,
+ "Unsupported divider\n");
div = 8;
break;
default:
@@ -1547,22 +1555,25 @@ static void bxt_set_cdclk(struct drm_i915_private *dev_priv,
/* cdclk = vco / 2 / div{1,1.5,2,4} */
switch (DIV_ROUND_CLOSEST(vco, cdclk)) {
default:
- WARN_ON(cdclk != dev_priv->cdclk.hw.bypass);
- WARN_ON(vco != 0);
+ drm_WARN_ON(&dev_priv->drm,
+ cdclk != dev_priv->cdclk.hw.bypass);
+ drm_WARN_ON(&dev_priv->drm, vco != 0);
/* fall through */
case 2:
divider = BXT_CDCLK_CD2X_DIV_SEL_1;
break;
case 3:
- WARN(IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) >= 10,
- "Unsupported divider\n");
+ drm_WARN(&dev_priv->drm,
+ IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) >= 10,
+ "Unsupported divider\n");
divider = BXT_CDCLK_CD2X_DIV_SEL_1_5;
break;
case 4:
divider = BXT_CDCLK_CD2X_DIV_SEL_2;
break;
case 8:
- WARN(INTEL_GEN(dev_priv) >= 10, "Unsupported divider\n");
+ drm_WARN(&dev_priv->drm, INTEL_GEN(dev_priv) >= 10,
+ "Unsupported divider\n");
divider = BXT_CDCLK_CD2X_DIV_SEL_4;
break;
}
@@ -1860,15 +1871,16 @@ static void intel_set_cdclk(struct drm_i915_private *dev_priv,
if (!intel_cdclk_changed(&dev_priv->cdclk.hw, cdclk_config))
return;
- if (WARN_ON_ONCE(!dev_priv->display.set_cdclk))
+ if (drm_WARN_ON_ONCE(&dev_priv->drm, !dev_priv->display.set_cdclk))
return;
intel_dump_cdclk_config(cdclk_config, "Changing CDCLK to");
dev_priv->display.set_cdclk(dev_priv, cdclk_config, pipe);
- if (WARN(intel_cdclk_changed(&dev_priv->cdclk.hw, cdclk_config),
- "cdclk state doesn't match!\n")) {
+ if (drm_WARN(&dev_priv->drm,
+ intel_cdclk_changed(&dev_priv->cdclk.hw, cdclk_config),
+ "cdclk state doesn't match!\n")) {
intel_dump_cdclk_config(&dev_priv->cdclk.hw, "[hw state]");
intel_dump_cdclk_config(cdclk_config, "[sw state]");
}
@@ -1897,7 +1909,7 @@ intel_set_cdclk_pre_plane_update(struct intel_atomic_state *state)
if (pipe == INVALID_PIPE ||
old_cdclk_state->actual.cdclk <= new_cdclk_state->actual.cdclk) {
- WARN_ON(!new_cdclk_state->base.changed);
+ drm_WARN_ON(&dev_priv->drm, !new_cdclk_state->base.changed);
intel_set_cdclk(dev_priv, &new_cdclk_state->actual, pipe);
}
@@ -1926,7 +1938,7 @@ intel_set_cdclk_post_plane_update(struct intel_atomic_state *state)
if (pipe != INVALID_PIPE &&
old_cdclk_state->actual.cdclk > new_cdclk_state->actual.cdclk) {
- WARN_ON(!new_cdclk_state->base.changed);
+ drm_WARN_ON(&dev_priv->drm, !new_cdclk_state->base.changed);
intel_set_cdclk(dev_priv, &new_cdclk_state->actual, pipe);
}
@@ -2550,7 +2562,7 @@ void intel_update_max_cdclk(struct drm_i915_private *dev_priv)
int max_cdclk, vco;
vco = dev_priv->skl_preferred_vco_freq;
- WARN_ON(vco != 8100000 && vco != 8640000);
+ drm_WARN_ON(&dev_priv->drm, vco != 8100000 && vco != 8640000);
/*
* Use the lower (vco 8640) cdclk values as a
@@ -2809,8 +2821,8 @@ void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv)
else if (IS_I845G(dev_priv))
dev_priv->display.get_cdclk = fixed_200mhz_get_cdclk;
else { /* 830 */
- WARN(!IS_I830(dev_priv),
- "Unknown platform. Assuming 133 MHz CDCLK\n");
+ drm_WARN(&dev_priv->drm, !IS_I830(dev_priv),
+ "Unknown platform. Assuming 133 MHz CDCLK\n");
dev_priv->display.get_cdclk = fixed_133mhz_get_cdclk;
}
}
--
2.23.0
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