From: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
To: jani.nikula@linux.intel.com, daniel@ffwll.ch,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
"Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>,
"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
"David Airlie" <airlied@linux.ie>,
"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
"Manasi Navare" <manasi.d.navare@intel.com>,
"José Roberto de Souza" <jose.souza@intel.com>,
"Chris Wilson" <chris@chris-wilson.co.uk>,
"Imre Deak" <imre.deak@intel.com>,
"Gwan-gyeong Mun" <gwan-gyeong.mun@intel.com>,
"Matt Roper" <matthew.d.roper@intel.com>
Cc: pankaj.laxminarayan.bharadiya@intel.com
Subject: [PATCH v2 2/9] drm/i915/display/dp: Prefer drm_WARN* over WARN*
Date: Mon, 4 May 2020 23:45:53 +0530 [thread overview]
Message-ID: <20200504181600.18503-3-pankaj.laxminarayan.bharadiya@intel.com> (raw)
In-Reply-To: <20200504181600.18503-1-pankaj.laxminarayan.bharadiya@intel.com>
struct drm_device specific drm_WARN* macros include device information
in the backtrace, so we know what device the warnings originate from.
Prefer drm_WARN* over WARN* at places where struct intel_dp or struct
drm_i915_private pointer is available.
Conversion is done with below sementic patch:
@rule1@
identifier func, T;
@@
func(...) {
...
struct drm_i915_private *T = ...;
<+...
(
-WARN_ON(
+drm_WARN_ON(&T->drm,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(&T->drm,
...)
)
...+>
}
@rule2@
identifier func, T;
@@
func(struct drm_i915_private *T,...) {
<+...
(
-WARN_ON(
+drm_WARN_ON(&T->drm,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(&T->drm,
...)
)
...+>
}
@rule3@
identifier func, T;
@@
func(struct intel_dp *T,...) {
+ struct drm_i915_private *i915 = dp_to_i915(T);
<+...
(
-WARN_ON(
+drm_WARN_ON(&i915->drm,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(&i915->drm,
...)
)
...+>
}
@rule4@
identifier func, T;
@@
func(...) {
...
struct intel_dp *T = ...;
+ struct drm_i915_private *i915 = dp_to_i915(T);
<+...
(
-WARN_ON(
+drm_WARN_ON(&i915->drm,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(&i915->drm,
...)
)
...+>
}
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 24 +++++++++++++++---------
1 file changed, 15 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 6952b0295096..ac44fc242879 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -409,7 +409,10 @@ static int intel_dp_rate_index(const int *rates, int len, int rate)
static void intel_dp_set_common_rates(struct intel_dp *intel_dp)
{
- WARN_ON(!intel_dp->num_source_rates || !intel_dp->num_sink_rates);
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
+ drm_WARN_ON(&i915->drm,
+ !intel_dp->num_source_rates || !intel_dp->num_sink_rates);
intel_dp->num_common_rates = intersect_rates(intel_dp->source_rates,
intel_dp->num_source_rates,
@@ -418,7 +421,7 @@ static void intel_dp_set_common_rates(struct intel_dp *intel_dp)
intel_dp->common_rates);
/* Paranoia, there should always be something in common. */
- if (WARN_ON(intel_dp->num_common_rates == 0)) {
+ if (drm_WARN_ON(&i915->drm, intel_dp->num_common_rates == 0)) {
intel_dp->common_rates[0] = 162000;
intel_dp->num_common_rates = 1;
}
@@ -1554,6 +1557,7 @@ static ssize_t
intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
{
struct intel_dp *intel_dp = container_of(aux, struct intel_dp, aux);
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 txbuf[20], rxbuf[20];
size_t txsize, rxsize;
int ret;
@@ -1567,10 +1571,10 @@ intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
txsize = msg->size ? HEADER_SIZE + msg->size : BARE_ADDRESS_SIZE;
rxsize = 2; /* 0 or 1 data bytes */
- if (WARN_ON(txsize > 20))
+ if (drm_WARN_ON(&i915->drm, txsize > 20))
return -E2BIG;
- WARN_ON(!msg->buffer != !msg->size);
+ drm_WARN_ON(&i915->drm, !msg->buffer != !msg->size);
if (msg->buffer)
memcpy(txbuf + HEADER_SIZE, msg->buffer, msg->size);
@@ -1595,7 +1599,7 @@ intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
txsize = msg->size ? HEADER_SIZE : BARE_ADDRESS_SIZE;
rxsize = msg->size + 1;
- if (WARN_ON(rxsize > 20))
+ if (drm_WARN_ON(&i915->drm, rxsize > 20))
return -E2BIG;
ret = intel_dp_aux_xfer(intel_dp, txbuf, txsize,
@@ -1870,10 +1874,11 @@ static void intel_dp_print_rates(struct intel_dp *intel_dp)
int
intel_dp_max_link_rate(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
int len;
len = intel_dp_common_len_rate_limit(intel_dp, intel_dp->max_link_rate);
- if (WARN_ON(len <= 0))
+ if (drm_WARN_ON(&i915->drm, len <= 0))
return 162000;
return intel_dp->common_rates[len - 1];
@@ -1881,10 +1886,11 @@ intel_dp_max_link_rate(struct intel_dp *intel_dp)
int intel_dp_rate_select(struct intel_dp *intel_dp, int rate)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
int i = intel_dp_rate_index(intel_dp->sink_rates,
intel_dp->num_sink_rates, rate);
- if (WARN_ON(i < 0))
+ if (drm_WARN_ON(&i915->drm, i < 0))
i = 0;
return i;
@@ -5580,7 +5586,7 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
if (!intel_dp->is_mst)
return -EINVAL;
- WARN_ON_ONCE(intel_dp->active_mst_links < 0);
+ drm_WARN_ON_ONCE(&i915->drm, intel_dp->active_mst_links < 0);
for (;;) {
u8 esi[DP_DPRX_ESI_LEN] = {};
@@ -5942,7 +5948,7 @@ intel_dp_detect_dpcd(struct intel_dp *intel_dp)
u8 *dpcd = intel_dp->dpcd;
u8 type;
- if (WARN_ON(intel_dp_is_edp(intel_dp)))
+ if (drm_WARN_ON(&i915->drm, intel_dp_is_edp(intel_dp)))
return connector_status_connected;
if (lspcon->active)
--
2.23.0
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next prev parent reply other threads:[~2020-05-04 18:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-04 18:15 [PATCH v2 0/9] Prefer drm_WARN* over WARN* Pankaj Bharadiya
2020-05-04 18:15 ` [PATCH v2 1/9] drm/i915/display/display_power: Prefer drm_WARN_ON over WARN_ON Pankaj Bharadiya
2020-05-04 18:15 ` Pankaj Bharadiya [this message]
2020-05-04 18:15 ` [PATCH v2 3/9] drm/i915/display/sdvo: Prefer drm_WARN* over WARN* Pankaj Bharadiya
2020-05-08 6:48 ` Jani Nikula
2020-05-08 7:23 ` Laxminarayan Bharadiya, Pankaj
2020-05-19 13:41 ` Jani Nikula
2020-05-19 14:03 ` Laxminarayan Bharadiya, Pankaj
2020-05-04 18:15 ` [PATCH v2 4/9] drm/i915/display/tc: Prefer drm_WARN_ON over WARN_ON Pankaj Bharadiya
2020-05-04 18:15 ` [PATCH v2 5/9] drm/i915/gem: Prefer drm_WARN* over WARN* Pankaj Bharadiya
2020-05-04 18:15 ` [PATCH v2 6/9] drm/i915/i915_drv: Prefer drm_WARN_ON over WARN_ON Pankaj Bharadiya
2020-05-04 18:15 ` [PATCH v2 7/9] drm/i915/pmu: " Pankaj Bharadiya
2020-05-04 18:15 ` [PATCH v2 8/9] drm/i915/pm: " Pankaj Bharadiya
2020-05-04 18:16 ` [PATCH v2 9/9] drm/i915/runtime_pm: Prefer drm_WARN* over WARN* Pankaj Bharadiya
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