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authorRob Clark <robin.clark@oss.qualcomm.com>2025-06-29 05:54:49 +0300
committerRob Clark <robin.clark@oss.qualcomm.com>2025-06-29 05:54:49 +0300
commit74f1af95820fc2ee580a775a3a17c416db30b38c (patch)
tree7c82cffe3c1d99b99053d28b57a4ac5d81f85844 /drivers/gpu/drm/i915/display/intel_hotplug_irq.c
parentd3deabe4c619875714b9a844b1a3d9752dbae1dd (diff)
parentf41830c57bb8e70e283b9db251c95f1270a8279d (diff)
downloadlinux-74f1af95820fc2ee580a775a3a17c416db30b38c.tar.xz
Merge remote-tracking branch 'drm/drm-next' into msm-next
Back-merge drm-next to (indirectly) get arm-smmu updates for making stall-on-fault more reliable. Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hotplug_irq.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_hotplug_irq.c78
1 files changed, 33 insertions, 45 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug_irq.c b/drivers/gpu/drm/i915/display/intel_hotplug_irq.c
index 2463e61e7802..43aee70597bf 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug_irq.c
+++ b/drivers/gpu/drm/i915/display/intel_hotplug_irq.c
@@ -3,10 +3,13 @@
* Copyright © 2023 Intel Corporation
*/
-#include "i915_drv.h"
+#include <drm/drm_print.h>
+
#include "i915_reg.h"
+#include "i915_utils.h"
#include "intel_de.h"
#include "intel_display_irq.h"
+#include "intel_display_regs.h"
#include "intel_display_types.h"
#include "intel_dp_aux.h"
#include "intel_gmbus.h"
@@ -133,7 +136,6 @@ static const u32 hpd_mtp[HPD_NUM_PINS] = {
static void intel_hpd_init_pins(struct intel_display *display)
{
- struct drm_i915_private *dev_priv = to_i915(display->drm);
struct intel_hotplug *hpd = &display->hotplug;
if (HAS_GMCH(display)) {
@@ -160,33 +162,31 @@ static void intel_hpd_init_pins(struct intel_display *display)
else
hpd->hpd = hpd_ilk;
- if ((INTEL_PCH_TYPE(dev_priv) < PCH_DG1) &&
- (!HAS_PCH_SPLIT(dev_priv) || HAS_PCH_NOP(dev_priv)))
+ if ((INTEL_PCH_TYPE(display) < PCH_DG1) &&
+ (!HAS_PCH_SPLIT(display) || HAS_PCH_NOP(display)))
return;
- if (INTEL_PCH_TYPE(dev_priv) >= PCH_MTL)
+ if (INTEL_PCH_TYPE(display) >= PCH_MTL)
hpd->pch_hpd = hpd_mtp;
- else if (INTEL_PCH_TYPE(dev_priv) >= PCH_DG1)
+ else if (INTEL_PCH_TYPE(display) >= PCH_DG1)
hpd->pch_hpd = hpd_sde_dg1;
- else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
+ else if (INTEL_PCH_TYPE(display) >= PCH_ICP)
hpd->pch_hpd = hpd_icp;
- else if (HAS_PCH_CNP(dev_priv) || HAS_PCH_SPT(dev_priv))
+ else if (HAS_PCH_CNP(display) || HAS_PCH_SPT(display))
hpd->pch_hpd = hpd_spt;
- else if (HAS_PCH_LPT(dev_priv) || HAS_PCH_CPT(dev_priv))
+ else if (HAS_PCH_LPT(display) || HAS_PCH_CPT(display))
hpd->pch_hpd = hpd_cpt;
- else if (HAS_PCH_IBX(dev_priv))
+ else if (HAS_PCH_IBX(display))
hpd->pch_hpd = hpd_ibx;
else
- MISSING_CASE(INTEL_PCH_TYPE(dev_priv));
+ MISSING_CASE(INTEL_PCH_TYPE(display));
}
/* For display hotplug interrupt */
void i915_hotplug_interrupt_update_locked(struct intel_display *display,
u32 mask, u32 bits)
{
- struct drm_i915_private *dev_priv = to_i915(display->drm);
-
- lockdep_assert_held(&dev_priv->irq_lock);
+ lockdep_assert_held(&display->irq.lock);
drm_WARN_ON(display->drm, bits & ~mask);
intel_de_rmw(display, PORT_HOTPLUG_EN(display), mask, bits);
@@ -208,11 +208,9 @@ void i915_hotplug_interrupt_update(struct intel_display *display,
u32 mask,
u32 bits)
{
- struct drm_i915_private *dev_priv = to_i915(display->drm);
-
- spin_lock_irq(&dev_priv->irq_lock);
+ spin_lock_irq(&display->irq.lock);
i915_hotplug_interrupt_update_locked(display, mask, bits);
- spin_unlock_irq(&dev_priv->irq_lock);
+ spin_unlock_irq(&display->irq.lock);
}
static bool gen11_port_hotplug_long_detect(enum hpd_pin pin, u32 val)
@@ -557,7 +555,6 @@ void xelpdp_pica_irq_handler(struct intel_display *display, u32 iir)
void icp_irq_handler(struct intel_display *display, u32 pch_iir)
{
- struct drm_i915_private *dev_priv = to_i915(display->drm);
u32 ddi_hotplug_trigger = pch_iir & SDE_DDI_HOTPLUG_MASK_ICP;
u32 tc_hotplug_trigger = pch_iir & SDE_TC_HOTPLUG_MASK_ICP;
u32 pin_mask = 0, long_mask = 0;
@@ -566,9 +563,9 @@ void icp_irq_handler(struct intel_display *display, u32 pch_iir)
u32 dig_hotplug_reg;
/* Locking due to DSI native GPIO sequences */
- spin_lock(&dev_priv->irq_lock);
+ spin_lock(&display->irq.lock);
dig_hotplug_reg = intel_de_rmw(display, SHOTPLUG_CTL_DDI, 0, 0);
- spin_unlock(&dev_priv->irq_lock);
+ spin_unlock(&display->irq.lock);
intel_get_hpd_pins(display, &pin_mask, &long_mask,
ddi_hotplug_trigger, dig_hotplug_reg,
@@ -711,7 +708,7 @@ static u32 ibx_hotplug_mask(enum hpd_pin hpd_pin)
static u32 ibx_hotplug_enables(struct intel_encoder *encoder)
{
- struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ struct intel_display *display = to_intel_display(encoder);
switch (encoder->hpd_pin) {
case HPD_PORT_A:
@@ -719,7 +716,7 @@ static u32 ibx_hotplug_enables(struct intel_encoder *encoder)
* When CPU and PCH are on the same package, port A
* HPD must be enabled in both north and south.
*/
- return HAS_PCH_LPT_LP(i915) ?
+ return HAS_PCH_LPT_LP(display) ?
PORTA_HOTPLUG_ENABLE : 0;
case HPD_PORT_B:
return PORTB_HOTPLUG_ENABLE |
@@ -940,18 +937,17 @@ static void gen11_tbt_hpd_enable_detection(struct intel_encoder *encoder)
static void gen11_hpd_enable_detection(struct intel_encoder *encoder)
{
- struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ struct intel_display *display = to_intel_display(encoder);
gen11_tc_hpd_enable_detection(encoder);
gen11_tbt_hpd_enable_detection(encoder);
- if (INTEL_PCH_TYPE(i915) >= PCH_ICP)
+ if (INTEL_PCH_TYPE(display) >= PCH_ICP)
icp_hpd_enable_detection(encoder);
}
static void gen11_hpd_irq_setup(struct intel_display *display)
{
- struct drm_i915_private *dev_priv = to_i915(display->drm);
u32 hotplug_irqs, enabled_irqs;
enabled_irqs = intel_hpd_enabled_irqs(display, display->hotplug.hpd);
@@ -964,7 +960,7 @@ static void gen11_hpd_irq_setup(struct intel_display *display)
gen11_tc_hpd_detection_setup(display);
gen11_tbt_hpd_detection_setup(display);
- if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
+ if (INTEL_PCH_TYPE(display) >= PCH_ICP)
icp_hpd_irq_setup(display);
}
@@ -1138,7 +1134,6 @@ static void xelpdp_hpd_enable_detection(struct intel_encoder *encoder)
static void xelpdp_hpd_irq_setup(struct intel_display *display)
{
- struct drm_i915_private *i915 = to_i915(display->drm);
u32 hotplug_irqs, enabled_irqs;
enabled_irqs = intel_hpd_enabled_irqs(display, display->hotplug.hpd);
@@ -1150,9 +1145,9 @@ static void xelpdp_hpd_irq_setup(struct intel_display *display)
xelpdp_pica_hpd_detection_setup(display);
- if (INTEL_PCH_TYPE(i915) >= PCH_LNL)
+ if (INTEL_PCH_TYPE(display) >= PCH_LNL)
xe2lpd_sde_hpd_irq_setup(display);
- else if (INTEL_PCH_TYPE(i915) >= PCH_MTL)
+ else if (INTEL_PCH_TYPE(display) >= PCH_MTL)
mtp_hpd_irq_setup(display);
}
@@ -1194,10 +1189,8 @@ static u32 spt_hotplug2_enables(struct intel_encoder *encoder)
static void spt_hpd_detection_setup(struct intel_display *display)
{
- struct drm_i915_private *dev_priv = to_i915(display->drm);
-
/* Display WA #1179 WaHardHangonHotPlug: cnp */
- if (HAS_PCH_CNP(dev_priv)) {
+ if (HAS_PCH_CNP(display)) {
intel_de_rmw(display, SOUTH_CHICKEN1, CHASSIS_CLK_REQ_DURATION_MASK,
CHASSIS_CLK_REQ_DURATION(0xf));
}
@@ -1215,10 +1208,9 @@ static void spt_hpd_detection_setup(struct intel_display *display)
static void spt_hpd_enable_detection(struct intel_encoder *encoder)
{
struct intel_display *display = to_intel_display(encoder);
- struct drm_i915_private *i915 = to_i915(encoder->base.dev);
/* Display WA #1179 WaHardHangonHotPlug: cnp */
- if (HAS_PCH_CNP(i915)) {
+ if (HAS_PCH_CNP(display)) {
intel_de_rmw(display, SOUTH_CHICKEN1,
CHASSIS_CLK_REQ_DURATION_MASK,
CHASSIS_CLK_REQ_DURATION(0xf));
@@ -1235,10 +1227,9 @@ static void spt_hpd_enable_detection(struct intel_encoder *encoder)
static void spt_hpd_irq_setup(struct intel_display *display)
{
- struct drm_i915_private *dev_priv = to_i915(display->drm);
u32 hotplug_irqs, enabled_irqs;
- if (INTEL_PCH_TYPE(dev_priv) >= PCH_CNP)
+ if (INTEL_PCH_TYPE(display) >= PCH_CNP)
intel_de_write(display, SHPD_FILTER_CNT, SHPD_FILTER_CNT_500_ADJ);
enabled_irqs = intel_hpd_enabled_irqs(display, display->hotplug.pch_hpd);
@@ -1402,10 +1393,9 @@ static void i915_hpd_enable_detection(struct intel_encoder *encoder)
static void i915_hpd_irq_setup(struct intel_display *display)
{
- struct drm_i915_private *dev_priv = to_i915(display->drm);
u32 hotplug_en;
- lockdep_assert_held(&dev_priv->irq_lock);
+ lockdep_assert_held(&display->irq.lock);
/*
* Note HDMI and DP share hotplug bits. Enable bits are the same for all
@@ -1474,8 +1464,6 @@ void intel_hpd_irq_setup(struct intel_display *display)
void intel_hotplug_irq_init(struct intel_display *display)
{
- struct drm_i915_private *i915 = to_i915(display->drm);
-
intel_hpd_init_pins(display);
intel_hpd_init_early(display);
@@ -1484,9 +1472,9 @@ void intel_hotplug_irq_init(struct intel_display *display)
if (HAS_HOTPLUG(display))
display->funcs.hotplug = &i915_hpd_funcs;
} else {
- if (HAS_PCH_DG2(i915))
+ if (HAS_PCH_DG2(display))
display->funcs.hotplug = &icp_hpd_funcs;
- else if (HAS_PCH_DG1(i915))
+ else if (HAS_PCH_DG1(display))
display->funcs.hotplug = &dg1_hpd_funcs;
else if (DISPLAY_VER(display) >= 14)
display->funcs.hotplug = &xelpdp_hpd_funcs;
@@ -1494,9 +1482,9 @@ void intel_hotplug_irq_init(struct intel_display *display)
display->funcs.hotplug = &gen11_hpd_funcs;
else if (display->platform.geminilake || display->platform.broxton)
display->funcs.hotplug = &bxt_hpd_funcs;
- else if (INTEL_PCH_TYPE(i915) >= PCH_ICP)
+ else if (INTEL_PCH_TYPE(display) >= PCH_ICP)
display->funcs.hotplug = &icp_hpd_funcs;
- else if (INTEL_PCH_TYPE(i915) >= PCH_SPT)
+ else if (INTEL_PCH_TYPE(display) >= PCH_SPT)
display->funcs.hotplug = &spt_hpd_funcs;
else
display->funcs.hotplug = &ilk_hpd_funcs;