microsoft
/
WSL2-Linux-Kernel
зеркало из https://github.com/microsoft/WSL2-Linux-Kernel.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/i915: Save/restore HWS_PGA on suspend/resume
  drm: move drm vblank initialization/cleanup to driver load/unload
  drm/i915: execbuffer pins objects, no need to ensure they're still in the GTT
  drm/i915: Always read pipestat in irq_handler
  drm/i915: Subtract total pinned bytes from available aperture size
  drm/i915: Avoid BUG_ONs on VT switch with a wedged chipset.
  drm/i915: Remove IMR masking during interrupt handler, and restart it if needed.
  drm/i915: Manage PIPESTAT to control vblank interrupts instead of IMR.
This commit is contained in:
Linus Torvalds 2008-11-30 13:00:21 -08:00
Родитель 9297524f6a 461cba2d29
Коммит 8639dad84e
18 изменённых файлов: 263 добавлений и 200 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

2
drivers/gpu/drm/drm_drv.c
Просмотреть файл

@ -305,6 +305,8 @@ static void drm_cleanup(struct drm_device * dev)
return;
}
drm_vblank_cleanup(dev);
drm_lastclose(dev);
if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) &&

4
drivers/gpu/drm/drm_irq.c
Просмотреть файл

@ -94,7 +94,7 @@ static void vblank_disable_fn(unsigned long arg)
}
}
static void drm_vblank_cleanup(struct drm_device *dev)
void drm_vblank_cleanup(struct drm_device *dev)
{
/* Bail if the driver didn't call drm_vblank_init() */
if (dev->num_crtcs == 0)
@ -278,8 +278,6 @@ int drm_irq_uninstall(struct drm_device * dev)
free_irq(dev->pdev->irq, dev);
drm_vblank_cleanup(dev);
return 0;
}
EXPORT_SYMBOL(drm_irq_uninstall);

7
drivers/gpu/drm/i915/i915_dma.c
Просмотреть файл

@ -856,6 +856,13 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
spin_lock_init(&dev_priv->user_irq_lock);
ret = drm_vblank_init(dev, I915_NUM_PIPE);
if (ret) {
(void) i915_driver_unload(dev);
return ret;
}
return ret;
}

11
drivers/gpu/drm/i915/i915_drv.h
Просмотреть файл

@ -47,6 +47,8 @@ enum pipe {
PIPE_B,
};
#define I915_NUM_PIPE 2
/* Interface history:
*
* 1.1: Original.
@ -132,6 +134,7 @@ typedef struct drm_i915_private {
int user_irq_refcount;
/** Cached value of IMR to avoid reads in updating the bitfield */
u32 irq_mask_reg;
u32 pipestat[2];
int tex_lru_log_granularity;
int allow_batchbuffer;
@ -147,6 +150,7 @@ typedef struct drm_i915_private {
u32 saveDSPBCNTR;
u32 saveDSPARB;
u32 saveRENDERSTANDBY;
u32 saveHWS;
u32 savePIPEACONF;
u32 savePIPEBCONF;
u32 savePIPEASRC;
@ -446,6 +450,13 @@ extern int i915_vblank_swap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
void
i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
void
i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
/* i915_mem.c */
extern int i915_mem_alloc(struct drm_device *dev, void *data,
struct drm_file *file_priv);

74
drivers/gpu/drm/i915/i915_gem.c
Просмотреть файл

@ -31,6 +31,8 @@
#include "i915_drv.h"
#include <linux/swap.h>
#define I915_GEM_GPU_DOMAINS (~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
static int
i915_gem_object_set_domain(struct drm_gem_object *obj,
uint32_t read_domains,
@ -83,20 +85,14 @@ int
i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_get_aperture *args = data;
struct drm_i915_gem_object *obj_priv;
if (!(dev->driver->driver_features & DRIVER_GEM))
return -ENODEV;
args->aper_size = dev->gtt_total;
args->aper_available_size = args->aper_size;
list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
if (obj_priv->pin_count > 0)
args->aper_available_size -= obj_priv->obj->size;
}
args->aper_available_size = (args->aper_size -
atomic_read(&dev->pin_memory));
return 0;
}
@ -1870,17 +1866,6 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
for (i = 0; i < args->buffer_count; i++) {
struct drm_gem_object *obj = object_list[i];
struct drm_i915_gem_object *obj_priv = obj->driver_private;
if (obj_priv->gtt_space == NULL) {
/* We evicted the buffer in the process of validating
* our set of buffers in. We could try to recover by
* kicking them everything out and trying again from
* the start.
*/
ret = -ENOMEM;
goto err;
}
/* make sure all previous memory operations have passed */
ret = i915_gem_object_set_domain(obj,
@ -2299,29 +2284,52 @@ i915_gem_idle(struct drm_device *dev)
i915_gem_retire_requests(dev);
/* Active and flushing should now be empty as we've
* waited for a sequence higher than any pending execbuffer
*/
BUG_ON(!list_empty(&dev_priv->mm.active_list));
BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
if (!dev_priv->mm.wedged) {
/* Active and flushing should now be empty as we've
* waited for a sequence higher than any pending execbuffer
*/
WARN_ON(!list_empty(&dev_priv->mm.active_list));
WARN_ON(!list_empty(&dev_priv->mm.flushing_list));
/* Request should now be empty as we've also waited
* for the last request in the list
*/
WARN_ON(!list_empty(&dev_priv->mm.request_list));
}
/* Request should now be empty as we've also waited
* for the last request in the list
/* Empty the active and flushing lists to inactive. If there's
* anything left at this point, it means that we're wedged and
* nothing good's going to happen by leaving them there. So strip
* the GPU domains and just stuff them onto inactive.
*/
BUG_ON(!list_empty(&dev_priv->mm.request_list));
while (!list_empty(&dev_priv->mm.active_list)) {
struct drm_i915_gem_object *obj_priv;
/* Move all buffers out of the GTT. */
obj_priv = list_first_entry(&dev_priv->mm.active_list,
struct drm_i915_gem_object,
list);
obj_priv->obj->write_domain &= ~I915_GEM_GPU_DOMAINS;
i915_gem_object_move_to_inactive(obj_priv->obj);
}
while (!list_empty(&dev_priv->mm.flushing_list)) {
struct drm_i915_gem_object *obj_priv;
obj_priv = list_first_entry(&dev_priv->mm.active_list,
struct drm_i915_gem_object,
list);
obj_priv->obj->write_domain &= ~I915_GEM_GPU_DOMAINS;
i915_gem_object_move_to_inactive(obj_priv->obj);
}
/* Move all inactive buffers out of the GTT. */
ret = i915_gem_evict_from_list(dev, &dev_priv->mm.inactive_list);
WARN_ON(!list_empty(&dev_priv->mm.inactive_list));
if (ret) {
mutex_unlock(&dev->struct_mutex);
return ret;
}
BUG_ON(!list_empty(&dev_priv->mm.active_list));
BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
BUG_ON(!list_empty(&dev_priv->mm.request_list));
i915_gem_cleanup_ringbuffer(dev);
mutex_unlock(&dev->struct_mutex);

295
drivers/gpu/drm/i915/i915_irq.c
Просмотреть файл

@ -33,11 +33,23 @@
#define MAX_NOPID ((u32)~0)
/** These are the interrupts used by the driver */
#define I915_INTERRUPT_ENABLE_MASK (I915_USER_INTERRUPT | \
I915_ASLE_INTERRUPT | \
I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | \
I915_DISPLAY_PIPE_B_EVENT_INTERRUPT)
/**
* Interrupts that are always left unmasked.
*
* Since pipe events are edge-triggered from the PIPESTAT register to IIR,
* we leave them always unmasked in IMR and then control enabling them through
* PIPESTAT alone.
*/
#define I915_INTERRUPT_ENABLE_FIX (I915_ASLE_INTERRUPT | \
I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | \
I915_DISPLAY_PIPE_B_EVENT_INTERRUPT)
/** Interrupts that we mask and unmask at runtime. */
#define I915_INTERRUPT_ENABLE_VAR (I915_USER_INTERRUPT)
/** These are all of the interrupts used by the driver */
#define I915_INTERRUPT_ENABLE_MASK (I915_INTERRUPT_ENABLE_FIX | \
I915_INTERRUPT_ENABLE_VAR)
void
i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
@ -59,6 +71,41 @@ i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
}
}
static inline u32
i915_pipestat(int pipe)
{
if (pipe == 0)
return PIPEASTAT;
if (pipe == 1)
return PIPEBSTAT;
BUG_ON(1);
}
void
i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask)
{
if ((dev_priv->pipestat[pipe] & mask) != mask) {
u32 reg = i915_pipestat(pipe);
dev_priv->pipestat[pipe] |= mask;
/* Enable the interrupt, clear any pending status */
I915_WRITE(reg, dev_priv->pipestat[pipe] | (mask >> 16));
(void) I915_READ(reg);
}
}
void
i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask)
{
if ((dev_priv->pipestat[pipe] & mask) != 0) {
u32 reg = i915_pipestat(pipe);
dev_priv->pipestat[pipe] &= ~mask;
I915_WRITE(reg, dev_priv->pipestat[pipe]);
(void) I915_READ(reg);
}
}
/**
* i915_pipe_enabled - check if a pipe is enabled
* @dev: DRM device
@ -121,80 +168,102 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 iir;
u32 iir, new_iir;
u32 pipea_stats, pipeb_stats;
u32 vblank_status;
u32 vblank_enable;
int vblank = 0;
unsigned long irqflags;
int irq_received;
int ret = IRQ_NONE;
atomic_inc(&dev_priv->irq_received);
if (dev->pdev->msi_enabled)
I915_WRITE(IMR, ~0);
iir = I915_READ(IIR);
if (iir == 0) {
if (dev->pdev->msi_enabled) {
I915_WRITE(IMR, dev_priv->irq_mask_reg);
(void) I915_READ(IMR);
}
return IRQ_NONE;
if (IS_I965G(dev)) {
vblank_status = I915_START_VBLANK_INTERRUPT_STATUS;
vblank_enable = PIPE_START_VBLANK_INTERRUPT_ENABLE;
} else {
vblank_status = I915_VBLANK_INTERRUPT_STATUS;
vblank_enable = I915_VBLANK_INTERRUPT_ENABLE;
}
/*
* Clear the PIPE(A|B)STAT regs before the IIR otherwise
* we may get extra interrupts.
*/
if (iir & I915_DISPLAY_PIPE_A_EVENT_INTERRUPT) {
for (;;) {
irq_received = iir != 0;
/* Can't rely on pipestat interrupt bit in iir as it might
* have been cleared after the pipestat interrupt was received.
* It doesn't set the bit in iir again, but it still produces
* interrupts (for non-MSI).
*/
spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
pipea_stats = I915_READ(PIPEASTAT);
if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A))
pipea_stats &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE |
PIPE_VBLANK_INTERRUPT_ENABLE);
else if (pipea_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
PIPE_VBLANK_INTERRUPT_STATUS)) {
pipeb_stats = I915_READ(PIPEBSTAT);
/*
* Clear the PIPE(A|B)STAT regs before the IIR
*/
if (pipea_stats & 0x8000ffff) {
I915_WRITE(PIPEASTAT, pipea_stats);
irq_received = 1;
}
if (pipeb_stats & 0x8000ffff) {
I915_WRITE(PIPEBSTAT, pipeb_stats);
irq_received = 1;
}
spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
if (!irq_received)
break;
ret = IRQ_HANDLED;
I915_WRITE(IIR, iir);
new_iir = I915_READ(IIR); /* Flush posted writes */
if (dev_priv->sarea_priv)
dev_priv->sarea_priv->last_dispatch =
READ_BREADCRUMB(dev_priv);
if (iir & I915_USER_INTERRUPT) {
dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev);
DRM_WAKEUP(&dev_priv->irq_queue);
}
if (pipea_stats & vblank_status) {
vblank++;
drm_handle_vblank(dev, 0);
}
I915_WRITE(PIPEASTAT, pipea_stats);
}
if (iir & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) {
pipeb_stats = I915_READ(PIPEBSTAT);
/* Ack the event */
I915_WRITE(PIPEBSTAT, pipeb_stats);
/* The vblank interrupt gets enabled even if we didn't ask for
it, so make sure it's shut down again */
if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B))
pipeb_stats &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE |
PIPE_VBLANK_INTERRUPT_ENABLE);
else if (pipeb_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
PIPE_VBLANK_INTERRUPT_STATUS)) {
if (pipeb_stats & vblank_status) {
vblank++;
drm_handle_vblank(dev, 1);
}
if (pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS)
if ((pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) ||
(iir & I915_ASLE_INTERRUPT))
opregion_asle_intr(dev);
I915_WRITE(PIPEBSTAT, pipeb_stats);
/* With MSI, interrupts are only generated when iir
* transitions from zero to nonzero. If another bit got
* set while we were handling the existing iir bits, then
* we would never get another interrupt.
*
* This is fine on non-MSI as well, as if we hit this path
* we avoid exiting the interrupt handler only to generate
* another one.
*
* Note that for MSI this could cause a stray interrupt report
* if an interrupt landed in the time between writing IIR and
* the posting read. This should be rare enough to never
* trigger the 99% of 100,000 interrupts test for disabling
* stray interrupts.
*/
iir = new_iir;
}
I915_WRITE(IIR, iir);
if (dev->pdev->msi_enabled)
I915_WRITE(IMR, dev_priv->irq_mask_reg);
(void) I915_READ(IIR); /* Flush posted writes */
if (dev_priv->sarea_priv)
dev_priv->sarea_priv->last_dispatch =
READ_BREADCRUMB(dev_priv);
if (iir & I915_USER_INTERRUPT) {
dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev);
DRM_WAKEUP(&dev_priv->irq_queue);
}
if (iir & I915_ASLE_INTERRUPT)
opregion_asle_intr(dev);
return IRQ_HANDLED;
return ret;
}
static int i915_emit_irq(struct drm_device * dev)
@ -330,48 +399,16 @@ int i915_irq_wait(struct drm_device *dev, void *data,
int i915_enable_vblank(struct drm_device *dev, int pipe)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 pipestat_reg = 0;
u32 pipestat;
u32 interrupt = 0;
unsigned long irqflags;
switch (pipe) {
case 0:
pipestat_reg = PIPEASTAT;
interrupt = I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
break;
case 1:
pipestat_reg = PIPEBSTAT;
interrupt = I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
break;
default:
DRM_ERROR("tried to enable vblank on non-existent pipe %d\n",
pipe);
return 0;
}
spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
/* Enabling vblank events in IMR comes before PIPESTAT write, or
* there's a race where the PIPESTAT vblank bit gets set to 1, so
* the OR of enabled PIPESTAT bits goes to 1, so the PIPExEVENT in
* ISR flashes to 1, but the IIR bit doesn't get set to 1 because
* IMR masks it. It doesn't ever get set after we clear the masking
* in IMR because the ISR bit is edge, not level-triggered, on the
* OR of PIPESTAT bits.
*/
i915_enable_irq(dev_priv, interrupt);
pipestat = I915_READ(pipestat_reg);
if (IS_I965G(dev))
pipestat |= PIPE_START_VBLANK_INTERRUPT_ENABLE;
i915_enable_pipestat(dev_priv, pipe,
PIPE_START_VBLANK_INTERRUPT_ENABLE);
else
pipestat |= PIPE_VBLANK_INTERRUPT_ENABLE;
/* Clear any stale interrupt status */
pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
PIPE_VBLANK_INTERRUPT_STATUS);
I915_WRITE(pipestat_reg, pipestat);
(void) I915_READ(pipestat_reg); /* Posting read */
i915_enable_pipestat(dev_priv, pipe,
PIPE_VBLANK_INTERRUPT_ENABLE);
spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
return 0;
}
@ -381,37 +418,12 @@ int i915_enable_vblank(struct drm_device *dev, int pipe)
void i915_disable_vblank(struct drm_device *dev, int pipe)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 pipestat_reg = 0;
u32 pipestat;
u32 interrupt = 0;
unsigned long irqflags;
switch (pipe) {
case 0:
pipestat_reg = PIPEASTAT;
interrupt = I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
break;
case 1:
pipestat_reg = PIPEBSTAT;
interrupt = I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
break;
default:
DRM_ERROR("tried to disable vblank on non-existent pipe %d\n",
pipe);
return;
break;
}
spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
i915_disable_irq(dev_priv, interrupt);
pipestat = I915_READ(pipestat_reg);
pipestat &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE |
PIPE_VBLANK_INTERRUPT_ENABLE);
/* Clear any stale interrupt status */
pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
PIPE_VBLANK_INTERRUPT_STATUS);
I915_WRITE(pipestat_reg, pipestat);
(void) I915_READ(pipestat_reg); /* Posting read */
i915_disable_pipestat(dev_priv, pipe,
PIPE_VBLANK_INTERRUPT_ENABLE |
PIPE_START_VBLANK_INTERRUPT_ENABLE);
spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
}
@ -476,32 +488,35 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
I915_WRITE(HWSTAM, 0xeffe);
I915_WRITE(PIPEASTAT, 0);
I915_WRITE(PIPEBSTAT, 0);
I915_WRITE(IMR, 0xffffffff);
I915_WRITE(IER, 0x0);
(void) I915_READ(IER);
}
int i915_driver_irq_postinstall(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
int ret, num_pipes = 2;
/* Set initial unmasked IRQs to just the selected vblank pipes. */
dev_priv->irq_mask_reg = ~0;
ret = drm_vblank_init(dev, num_pipes);
if (ret)
return ret;
dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT;
dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
dev_priv->irq_mask_reg &= I915_INTERRUPT_ENABLE_MASK;
/* Unmask the interrupts that we always want on. */
dev_priv->irq_mask_reg = ~I915_INTERRUPT_ENABLE_FIX;
dev_priv->pipestat[0] = 0;
dev_priv->pipestat[1] = 0;
/* Disable pipe interrupt enables, clear pending pipe status */
I915_WRITE(PIPEASTAT, I915_READ(PIPEASTAT) & 0x8000ffff);
I915_WRITE(PIPEBSTAT, I915_READ(PIPEBSTAT) & 0x8000ffff);
/* Clear pending interrupt status */
I915_WRITE(IIR, I915_READ(IIR));
I915_WRITE(IMR, dev_priv->irq_mask_reg);
I915_WRITE(IER, I915_INTERRUPT_ENABLE_MASK);
I915_WRITE(IMR, dev_priv->irq_mask_reg);
(void) I915_READ(IER);
opregion_enable_asle(dev);
@ -513,7 +528,6 @@ int i915_driver_irq_postinstall(struct drm_device *dev)
void i915_driver_irq_uninstall(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 temp;
if (!dev_priv)
return;
@ -521,13 +535,12 @@ void i915_driver_irq_uninstall(struct drm_device * dev)
dev_priv->vblank_pipe = 0;
I915_WRITE(HWSTAM, 0xffffffff);
I915_WRITE(PIPEASTAT, 0);
I915_WRITE(PIPEBSTAT, 0);
I915_WRITE(IMR, 0xffffffff);
I915_WRITE(IER, 0x0);
temp = I915_READ(PIPEASTAT);
I915_WRITE(PIPEASTAT, temp);
temp = I915_READ(PIPEBSTAT);
I915_WRITE(PIPEBSTAT, temp);
temp = I915_READ(IIR);
I915_WRITE(IIR, temp);
I915_WRITE(PIPEASTAT, I915_READ(PIPEASTAT) & 0x8000ffff);
I915_WRITE(PIPEBSTAT, I915_READ(PIPEBSTAT) & 0x8000ffff);
I915_WRITE(IIR, I915_READ(IIR));
}

18
drivers/gpu/drm/i915/i915_opregion.c
Просмотреть файл

@ -235,17 +235,15 @@ void opregion_enable_asle(struct drm_device *dev)
struct opregion_asle *asle = dev_priv->opregion.asle;
if (asle) {
u32 pipeb_stats = I915_READ(PIPEBSTAT);
if (IS_MOBILE(dev)) {
/* Many devices trigger events with a write to the
legacy backlight controller, so we need to ensure
that it's able to generate interrupts */
I915_WRITE(PIPEBSTAT, pipeb_stats |=
I915_LEGACY_BLC_EVENT_ENABLE);
i915_enable_irq(dev_priv, I915_ASLE_INTERRUPT |
I915_DISPLAY_PIPE_B_EVENT_INTERRUPT);
} else
i915_enable_irq(dev_priv, I915_ASLE_INTERRUPT);
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
i915_enable_pipestat(dev_priv, 1,
I915_LEGACY_BLC_EVENT_ENABLE);
spin_unlock_irqrestore(&dev_priv->user_irq_lock,
irqflags);
}
asle->tche = ASLE_ALS_EN | ASLE_BLC_EN | ASLE_PFIT_EN |
ASLE_PFMB_EN;

6
drivers/gpu/drm/i915/i915_suspend.c
Просмотреть файл

@ -244,6 +244,9 @@ int i915_save_state(struct drm_device *dev)
if (IS_I965G(dev) && IS_MOBILE(dev))
dev_priv->saveRENDERSTANDBY = I915_READ(MCHBAR_RENDER_STANDBY);
/* Hardware status page */
dev_priv->saveHWS = I915_READ(HWS_PGA);
/* Display arbitration control */
dev_priv->saveDSPARB = I915_READ(DSPARB);
@ -373,6 +376,9 @@ int i915_restore_state(struct drm_device *dev)
if (IS_I965G(dev) && IS_MOBILE(dev))
I915_WRITE(MCHBAR_RENDER_STANDBY, dev_priv->saveRENDERSTANDBY);
/* Hardware status page */
I915_WRITE(HWS_PGA, dev_priv->saveHWS);
/* Display arbitration */
I915_WRITE(DSPARB, dev_priv->saveDSPARB);

8
drivers/gpu/drm/mga/mga_dma.c
Просмотреть файл

@ -396,6 +396,7 @@ int mga_freelist_put(struct drm_device * dev, struct drm_buf * buf)
int mga_driver_load(struct drm_device * dev, unsigned long flags)
{
drm_mga_private_t *dev_priv;
int ret;
dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER);
if (!dev_priv)
@ -415,6 +416,13 @@ int mga_driver_load(struct drm_device * dev, unsigned long flags)
dev->types[7] = _DRM_STAT_PRIMARY;
dev->types[8] = _DRM_STAT_SECONDARY;
ret = drm_vblank_init(dev, 1);
if (ret) {
(void) mga_driver_unload(dev);
return ret;
}
return 0;
}

5
drivers/gpu/drm/mga/mga_irq.c
Просмотреть файл

@ -152,11 +152,6 @@ void mga_driver_irq_preinstall(struct drm_device * dev)
int mga_driver_irq_postinstall(struct drm_device *dev)
{
drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
int ret;
ret = drm_vblank_init(dev, 1);
if (ret)
return ret;
DRM_INIT_WAITQUEUE(&dev_priv->fence_queue);

6
drivers/gpu/drm/r128/r128_drv.c
Просмотреть файл

@ -45,6 +45,7 @@ static struct drm_driver driver = {
DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
.dev_priv_size = sizeof(drm_r128_buf_priv_t),
.load = r128_driver_load,
.preclose = r128_driver_preclose,
.lastclose = r128_driver_lastclose,
.get_vblank_counter = r128_get_vblank_counter,
@ -84,6 +85,11 @@ static struct drm_driver driver = {
.patchlevel = DRIVER_PATCHLEVEL,
};
int r128_driver_load(struct drm_device * dev, unsigned long flags)
{
return drm_vblank_init(dev, 1);
}
static int __init r128_init(void)
{
driver.num_ioctls = r128_max_ioctl;

1
drivers/gpu/drm/r128/r128_drv.h
Просмотреть файл

@ -159,6 +159,7 @@ extern void r128_driver_irq_preinstall(struct drm_device * dev);
extern int r128_driver_irq_postinstall(struct drm_device *dev);
extern void r128_driver_irq_uninstall(struct drm_device * dev);
extern void r128_driver_lastclose(struct drm_device * dev);
extern int r128_driver_load(struct drm_device * dev, unsigned long flags);
extern void r128_driver_preclose(struct drm_device * dev,
struct drm_file *file_priv);

2
drivers/gpu/drm/r128/r128_irq.c
Просмотреть файл

@ -102,7 +102,7 @@ void r128_driver_irq_preinstall(struct drm_device * dev)
int r128_driver_irq_postinstall(struct drm_device *dev)
{
return drm_vblank_init(dev, 1);
return 0;
}
void r128_driver_irq_uninstall(struct drm_device * dev)

6
drivers/gpu/drm/radeon/radeon_cp.c
Просмотреть файл

@ -1757,6 +1757,12 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags)
if (ret != 0)
return ret;
ret = drm_vblank_init(dev, 2);
if (ret) {
radeon_driver_unload(dev);
return ret;
}
DRM_DEBUG("%s card detected\n",
((dev_priv->flags & RADEON_IS_AGP) ? "AGP" : (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI"))));
return ret;

5
drivers/gpu/drm/radeon/radeon_irq.c
Просмотреть файл

@ -337,15 +337,10 @@ int radeon_driver_irq_postinstall(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *) dev->dev_private;
int ret;
atomic_set(&dev_priv->swi_emitted, 0);
DRM_INIT_WAITQUEUE(&dev_priv->swi_queue);
ret = drm_vblank_init(dev, 2);
if (ret)
return ret;
dev->max_vblank_count = 0x001fffff;
radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);

1
drivers/gpu/drm/via/via_irq.c
Просмотреть файл

@ -314,7 +314,6 @@ int via_driver_irq_postinstall(struct drm_device *dev)
if (!dev_priv)
return -EINVAL;
drm_vblank_init(dev, 1);
status = VIA_READ(VIA_REG_INTERRUPT);
VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL
| dev_priv->irq_enable_mask);

11
drivers/gpu/drm/via/via_map.c
Просмотреть файл

@ -107,8 +107,17 @@ int via_driver_load(struct drm_device *dev, unsigned long chipset)
ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
if (ret) {
drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
return ret;
}
return ret;
ret = drm_vblank_init(dev, 1);
if (ret) {
drm_sman_takedown(&dev_priv->sman);
drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
return ret;
}
return 0;
}
int via_driver_unload(struct drm_device *dev)

1
include/drm/drmP.h
Просмотреть файл

@ -1151,6 +1151,7 @@ extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
extern void drm_handle_vblank(struct drm_device *dev, int crtc);
extern int drm_vblank_get(struct drm_device *dev, int crtc);
extern void drm_vblank_put(struct drm_device *dev, int crtc);
extern void drm_vblank_cleanup(struct drm_device *dev);
/* Modesetting support */
extern int drm_modeset_ctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);