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Commit a52c854a authored by Jani Nikula's avatar Jani Nikula
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drm/i915/opregion: make struct intel_opregion opaque 

With the recent cleanups, only intel_opregion.c needs to know the
definition of struct intel_opregion. Allocate it dynamically and make it
opaque.

Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: default avatarRadhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3b68d7ff4b2930eaf15d9657618a738b9065f64b.1704992868.git.jani.nikula@intel.com
parent 2619861c
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Showing with 94 additions and 83 deletions
drivers/gpu/drm/i915/display/intel_display_core.h
View file @ a52c854a
......@@ -49,6 +49,7 @@ struct intel_fbdev;
struct intel_fdi_funcs;
struct intel_hotplug_funcs;
struct intel_initial_plane_config;
struct intel_opregion;
struct intel_overlay;
/* Amount of SAGV/QGV points, BSpec precisely defines this */
......@@ -526,7 +527,7 @@ struct intel_display {
struct intel_fbc *fbc[I915_MAX_FBCS];
struct intel_frontbuffer_tracking fb_tracking;
struct intel_hotplug hotplug;
struct intel_opregion opregion;
struct intel_opregion *opregion;
struct intel_overlay *overlay;
struct intel_display_params params;
struct intel_vbt_data vbt;
......
drivers/gpu/drm/i915/display/intel_opregion.c
View file @ a52c854a
......@@ -250,11 +250,37 @@ struct opregion_asle_ext {
#define MAX_DSLP 1500
#define OPREGION_SIZE (8 * 1024)
struct intel_opregion {
struct drm_i915_private *i915;
struct opregion_header *header;
struct opregion_acpi *acpi;
struct opregion_swsci *swsci;
u32 swsci_gbda_sub_functions;
u32 swsci_sbcb_sub_functions;
struct opregion_asle *asle;
struct opregion_asle_ext *asle_ext;
void *rvda;
void *vbt_firmware;
const void *vbt;
u32 vbt_size;
u32 *lid_state;
struct work_struct asle_work;
struct notifier_block acpi_notifier;
};
static int check_swsci_function(struct drm_i915_private *i915, u32 function)
{
struct opregion_swsci *swsci = i915->display.opregion.swsci;
struct intel_opregion *opregion = i915->display.opregion;
struct opregion_swsci *swsci;
u32 main_function, sub_function;
if (!opregion)
return -ENODEV;
swsci = opregion->swsci;
if (!swsci)
return -ENODEV;
......@@ -265,11 +291,11 @@ static int check_swsci_function(struct drm_i915_private *i915, u32 function)
/* Check if we can call the function. See swsci_setup for details. */
if (main_function == SWSCI_SBCB) {
if ((i915->display.opregion.swsci_sbcb_sub_functions &
if ((opregion->swsci_sbcb_sub_functions &
(1 << sub_function)) == 0)
return -EINVAL;
} else if (main_function == SWSCI_GBDA) {
if ((i915->display.opregion.swsci_gbda_sub_functions &
if ((opregion->swsci_gbda_sub_functions &
(1 << sub_function)) == 0)
return -EINVAL;
}
......@@ -280,7 +306,7 @@ static int check_swsci_function(struct drm_i915_private *i915, u32 function)
static int swsci(struct drm_i915_private *dev_priv,
u32 function, u32 parm, u32 *parm_out)
{
struct opregion_swsci *swsci = dev_priv->display.opregion.swsci;
struct opregion_swsci *swsci;
struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
u32 scic, dslp;
u16 swsci_val;
......@@ -290,6 +316,8 @@ static int swsci(struct drm_i915_private *dev_priv,
if (ret)
return ret;
swsci = dev_priv->display.opregion->swsci;
/* Driver sleep timeout in ms. */
dslp = swsci->dslp;
if (!dslp) {
......@@ -462,7 +490,7 @@ static u32 asle_set_backlight(struct drm_i915_private *dev_priv, u32 bclp)
{
struct intel_connector *connector;
struct drm_connector_list_iter conn_iter;
struct opregion_asle *asle = dev_priv->display.opregion.asle;
struct opregion_asle *asle = dev_priv->display.opregion->asle;
drm_dbg(&dev_priv->drm, "bclp = 0x%08x\n", bclp);
......@@ -584,9 +612,8 @@ static void asle_work(struct work_struct *work)
{
struct intel_opregion *opregion =
container_of(work, struct intel_opregion, asle_work);
struct drm_i915_private *dev_priv =
container_of(opregion, struct drm_i915_private, display.opregion);
struct opregion_asle *asle = dev_priv->display.opregion.asle;
struct drm_i915_private *dev_priv = opregion->i915;
struct opregion_asle *asle = opregion->asle;
u32 aslc_stat = 0;
u32 aslc_req;
......@@ -634,14 +661,15 @@ static void asle_work(struct work_struct *work)
bool intel_opregion_asle_present(struct drm_i915_private *i915)
{
return i915->display.opregion.asle;
return i915->display.opregion && i915->display.opregion->asle;
}
void intel_opregion_asle_intr(struct drm_i915_private *dev_priv)
void intel_opregion_asle_intr(struct drm_i915_private *i915)
{
if (dev_priv->display.opregion.asle)
queue_work(dev_priv->unordered_wq,
&dev_priv->display.opregion.asle_work);
struct intel_opregion *opregion = i915->display.opregion;
if (opregion && opregion->asle)
queue_work(i915->unordered_wq, &opregion->asle_work);
}
#define ACPI_EV_DISPLAY_SWITCH (1<<0)
......@@ -697,7 +725,7 @@ static void set_did(struct intel_opregion *opregion, int i, u32 val)
static void intel_didl_outputs(struct drm_i915_private *dev_priv)
{
struct intel_opregion *opregion = &dev_priv->display.opregion;
struct intel_opregion *opregion = dev_priv->display.opregion;
struct intel_connector *connector;
struct drm_connector_list_iter conn_iter;
int i = 0, max_outputs;
......@@ -736,7 +764,7 @@ static void intel_didl_outputs(struct drm_i915_private *dev_priv)
static void intel_setup_cadls(struct drm_i915_private *dev_priv)
{
struct intel_opregion *opregion = &dev_priv->display.opregion;
struct intel_opregion *opregion = dev_priv->display.opregion;
struct intel_connector *connector;
struct drm_connector_list_iter conn_iter;
int i = 0;
......@@ -766,7 +794,7 @@ static void intel_setup_cadls(struct drm_i915_private *dev_priv)
static void swsci_setup(struct drm_i915_private *dev_priv)
{
struct intel_opregion *opregion = &dev_priv->display.opregion;
struct intel_opregion *opregion = dev_priv->display.opregion;
bool requested_callbacks = false;
u32 tmp;
......@@ -844,7 +872,7 @@ static const struct dmi_system_id intel_no_opregion_vbt[] = {
static int intel_load_vbt_firmware(struct drm_i915_private *dev_priv)
{
struct intel_opregion *opregion = &dev_priv->display.opregion;
struct intel_opregion *opregion = dev_priv->display.opregion;
const struct firmware *fw = NULL;
const char *name = dev_priv->display.params.vbt_firmware;
int ret;
......@@ -884,7 +912,7 @@ static int intel_load_vbt_firmware(struct drm_i915_private *dev_priv)
int intel_opregion_setup(struct drm_i915_private *dev_priv)
{
struct intel_opregion *opregion = &dev_priv->display.opregion;
struct intel_opregion *opregion;
struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
u32 asls, mboxes;
char buf[sizeof(OPREGION_SIGNATURE)];
......@@ -907,11 +935,20 @@ int intel_opregion_setup(struct drm_i915_private *dev_priv)
return -ENOTSUPP;
}
opregion = kzalloc(sizeof(*opregion), GFP_KERNEL);
if (!opregion)
return -ENOMEM;
opregion->i915 = dev_priv;
dev_priv->display.opregion = opregion;
INIT_WORK(&opregion->asle_work, asle_work);
base = memremap(asls, OPREGION_SIZE, MEMREMAP_WB);
if (!base)
return -ENOMEM;
if (!base) {
err = -ENOMEM;
goto err_memremap;
}
memcpy(buf, base, sizeof(buf));
......@@ -1039,6 +1076,10 @@ int intel_opregion_setup(struct drm_i915_private *dev_priv)
err_out:
memunmap(base);
err_memremap:
kfree(opregion);
dev_priv->display.opregion = NULL;
return err;
}
......@@ -1111,12 +1152,12 @@ const struct drm_edid *intel_opregion_get_edid(struct intel_connector *intel_con
{
struct drm_connector *connector = &intel_connector->base;
struct drm_i915_private *i915 = to_i915(connector->dev);
struct intel_opregion *opregion = &i915->display.opregion;
struct intel_opregion *opregion = i915->display.opregion;
const struct drm_edid *drm_edid;
const void *edid;
int len;
if (!opregion->asle_ext)
if (!opregion || !opregion->asle_ext)
return NULL;
edid = opregion->asle_ext->bddc;
......@@ -1139,9 +1180,9 @@ const struct drm_edid *intel_opregion_get_edid(struct intel_connector *intel_con
const void *intel_opregion_get_vbt(struct drm_i915_private *i915, size_t *size)
{
struct intel_opregion *opregion = &i915->display.opregion;
struct intel_opregion *opregion = i915->display.opregion;
if (!opregion->vbt)
if (!opregion || !opregion->vbt)
return NULL;
if (size)
......@@ -1152,8 +1193,13 @@ const void *intel_opregion_get_vbt(struct drm_i915_private *i915, size_t *size)
bool intel_opregion_headless_sku(struct drm_i915_private *i915)
{
struct intel_opregion *opregion = &i915->display.opregion;
struct opregion_header *header = opregion->header;
struct intel_opregion *opregion = i915->display.opregion;
struct opregion_header *header;
if (!opregion)
return false;
header = opregion->header;
if (!header || header->over.major < 2 ||
(header->over.major == 2 && header->over.minor < 3))
......@@ -1164,9 +1210,9 @@ bool intel_opregion_headless_sku(struct drm_i915_private *i915)
void intel_opregion_register(struct drm_i915_private *i915)
{
struct intel_opregion *opregion = &i915->display.opregion;
struct intel_opregion *opregion = i915->display.opregion;
if (!opregion->header)
if (!opregion)
return;
if (opregion->acpi) {
......@@ -1180,7 +1226,7 @@ void intel_opregion_register(struct drm_i915_private *i915)
static void intel_opregion_resume_display(struct drm_i915_private *i915)
{
struct intel_opregion *opregion = &i915->display.opregion;
struct intel_opregion *opregion = i915->display.opregion;
if (opregion->acpi) {
intel_didl_outputs(i915);
......@@ -1206,9 +1252,9 @@ static void intel_opregion_resume_display(struct drm_i915_private *i915)
void intel_opregion_resume(struct drm_i915_private *i915)
{
struct intel_opregion *opregion = &i915->display.opregion;
struct intel_opregion *opregion = i915->display.opregion;
if (!opregion->header)
if (!opregion)
return;
if (HAS_DISPLAY(i915))
......@@ -1219,12 +1265,12 @@ void intel_opregion_resume(struct drm_i915_private *i915)
static void intel_opregion_suspend_display(struct drm_i915_private *i915)
{
struct intel_opregion *opregion = &i915->display.opregion;
struct intel_opregion *opregion = i915->display.opregion;
if (opregion->asle)
opregion->asle->ardy = ASLE_ARDY_NOT_READY;
cancel_work_sync(&i915->display.opregion.asle_work);
cancel_work_sync(&opregion->asle_work);
if (opregion->acpi)
opregion->acpi->drdy = 0;
......@@ -1232,9 +1278,9 @@ static void intel_opregion_suspend_display(struct drm_i915_private *i915)
void intel_opregion_suspend(struct drm_i915_private *i915, pci_power_t state)
{
struct intel_opregion *opregion = &i915->display.opregion;
struct intel_opregion *opregion = i915->display.opregion;
if (!opregion->header)
if (!opregion)
return;
intel_opregion_notify_adapter(i915, state);
......@@ -1245,11 +1291,11 @@ void intel_opregion_suspend(struct drm_i915_private *i915, pci_power_t state)
void intel_opregion_unregister(struct drm_i915_private *i915)
{
struct intel_opregion *opregion = &i915->display.opregion;
struct intel_opregion *opregion = i915->display.opregion;
intel_opregion_suspend(i915, PCI_D1);
if (!opregion->header)
if (!opregion)
return;
if (opregion->acpi_notifier.notifier_call) {
......@@ -1260,36 +1306,25 @@ void intel_opregion_unregister(struct drm_i915_private *i915)
void intel_opregion_cleanup(struct drm_i915_private *i915)
{
struct intel_opregion *opregion = &i915->display.opregion;
struct intel_opregion *opregion = i915->display.opregion;
if (!opregion->header)
if (!opregion)
return;
/* just clear all opregion memory pointers now */
memunmap(opregion->header);
if (opregion->rvda) {
if (opregion->rvda)
memunmap(opregion->rvda);
opregion->rvda = NULL;
}
if (opregion->vbt_firmware) {
kfree(opregion->vbt_firmware);
opregion->vbt_firmware = NULL;
}
opregion->header = NULL;
opregion->acpi = NULL;
opregion->swsci = NULL;
opregion->asle = NULL;
opregion->asle_ext = NULL;
opregion->vbt = NULL;
opregion->lid_state = NULL;
kfree(opregion);
i915->display.opregion = NULL;
}
static int intel_opregion_show(struct seq_file *m, void *unused)
{
struct drm_i915_private *i915 = m->private;
struct intel_opregion *opregion = &i915->display.opregion;
struct intel_opregion *opregion = i915->display.opregion;
if (opregion->header)
if (opregion)
seq_write(m, opregion->header, OPREGION_SIZE);
return 0;
......
drivers/gpu/drm/i915/display/intel_opregion.h
View file @ a52c854a
......@@ -25,38 +25,13 @@
#ifndef _INTEL_OPREGION_H_
#define _INTEL_OPREGION_H_
#include <linux/workqueue.h>
#include <linux/pci.h>
#include <linux/types.h>
struct drm_i915_private;
struct intel_connector;
struct intel_encoder;
struct opregion_header;
struct opregion_acpi;
struct opregion_swsci;
struct opregion_asle;
struct opregion_asle_ext;
struct intel_opregion {
struct opregion_header *header;
struct opregion_acpi *acpi;
struct opregion_swsci *swsci;
u32 swsci_gbda_sub_functions;
u32 swsci_sbcb_sub_functions;
struct opregion_asle *asle;
struct opregion_asle_ext *asle_ext;
void *rvda;
void *vbt_firmware;
const void *vbt;
u32 vbt_size;
u32 *lid_state;
struct work_struct asle_work;
struct notifier_block acpi_notifier;
};
#define OPREGION_SIZE (8 * 1024)
#ifdef CONFIG_ACPI
int intel_opregion_setup(struct drm_i915_private *dev_priv);
......
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