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Diffstat (limited to 'shared-core/i915_irq.c')
-rw-r--r--shared-core/i915_irq.c333
1 files changed, 279 insertions, 54 deletions
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index d463f6e6..9b391b75 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -31,9 +31,12 @@
#include "i915_drm.h"
#include "i915_drv.h"
+#include "intel_drv.h"
+
#define USER_INT_FLAG (1<<1)
#define VSYNC_PIPEB_FLAG (1<<5)
#define VSYNC_PIPEA_FLAG (1<<7)
+#define HOTPLUG_FLAG (1 << 17)
#define MAX_NOPID ((u32)~0)
@@ -49,7 +52,7 @@
static int
i915_get_pipe(struct drm_device *dev, int plane)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
u32 dspcntr;
dspcntr = plane ? I915_READ(DSPBCNTR) : I915_READ(DSPACNTR);
@@ -86,7 +89,7 @@ i915_get_plane(struct drm_device *dev, int pipe)
static int
i915_pipe_enabled(struct drm_device *dev, int pipe)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
unsigned long pipeconf = pipe ? PIPEBCONF : PIPEACONF;
if (I915_READ(pipeconf) & PIPEACONF_ENABLE)
@@ -104,8 +107,8 @@ static void
i915_dispatch_vsync_flip(struct drm_device *dev, struct drm_drawable_info *drw,
int plane)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
+ struct drm_i915_sarea *sarea_priv = dev_priv->sarea_priv;
u16 x1, y1, x2, y2;
int pf_planes = 1 << plane;
@@ -149,12 +152,12 @@ i915_dispatch_vsync_flip(struct drm_device *dev, struct drm_drawable_info *drw,
*/
static void i915_vblank_tasklet(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
struct list_head *list, *tmp, hits, *hit;
int nhits, nrects, slice[2], upper[2], lower[2], i, num_pages;
unsigned counter[2];
struct drm_drawable_info *drw;
- drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_i915_sarea *sarea_priv = dev_priv->sarea_priv;
u32 cpp = dev_priv->cpp, offsets[3];
u32 cmd = (cpp == 4) ? (XY_SRC_COPY_BLT_CMD |
XY_SRC_COPY_BLT_WRITE_ALPHA |
@@ -182,8 +185,8 @@ static void i915_vblank_tasklet(struct drm_device *dev)
/* Find buffer swaps scheduled for this vertical blank */
list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) {
- drm_i915_vbl_swap_t *vbl_swap =
- list_entry(list, drm_i915_vbl_swap_t, head);
+ struct drm_i915_vbl_swap *vbl_swap =
+ list_entry(list, struct drm_i915_vbl_swap, head);
int pipe = i915_get_pipe(dev, vbl_swap->plane);
if ((counter[pipe] - vbl_swap->sequence) > (1<<23))
@@ -206,8 +209,8 @@ static void i915_vblank_tasklet(struct drm_device *dev)
}
list_for_each(hit, &hits) {
- drm_i915_vbl_swap_t *swap_cmp =
- list_entry(hit, drm_i915_vbl_swap_t, head);
+ struct drm_i915_vbl_swap *swap_cmp =
+ list_entry(hit, struct drm_i915_vbl_swap, head);
struct drm_drawable_info *drw_cmp =
drm_get_drawable_info(dev, swap_cmp->drw_id);
@@ -264,8 +267,8 @@ static void i915_vblank_tasklet(struct drm_device *dev)
lower[0] = lower[1] = sarea_priv->height;
list_for_each(hit, &hits) {
- drm_i915_vbl_swap_t *swap_hit =
- list_entry(hit, drm_i915_vbl_swap_t, head);
+ struct drm_i915_vbl_swap *swap_hit =
+ list_entry(hit, struct drm_i915_vbl_swap, head);
struct drm_clip_rect *rect;
int num_rects, plane, front, back;
unsigned short top, bottom;
@@ -333,8 +336,8 @@ static void i915_vblank_tasklet(struct drm_device *dev)
DRM_SPINUNLOCK(&dev->drw_lock);
list_for_each_safe(hit, tmp, &hits) {
- drm_i915_vbl_swap_t *swap_hit =
- list_entry(hit, drm_i915_vbl_swap_t, head);
+ struct drm_i915_vbl_swap *swap_hit =
+ list_entry(hit, struct drm_i915_vbl_swap, head);
list_del(hit);
@@ -344,7 +347,7 @@ static void i915_vblank_tasklet(struct drm_device *dev)
#if 0
static int i915_in_vblank(struct drm_device *dev, int pipe)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
unsigned long pipedsl, vblank, vtotal;
unsigned long vbl_start, vbl_end, cur_line;
@@ -365,7 +368,7 @@ static int i915_in_vblank(struct drm_device *dev, int pipe)
#endif
u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
unsigned long high_frame;
unsigned long low_frame;
u32 high1, high2, low, count;
@@ -409,24 +412,180 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
return count;
}
+#define HOTPLUG_CMD_CRT 1
+#define HOTPLUG_CMD_SDVOB 4
+#define HOTPLUG_CMD_SDVOC 8
+
+static struct drm_device *hotplug_dev;
+static int hotplug_cmd = 0;
+static spinlock_t hotplug_lock = SPIN_LOCK_UNLOCKED;
+
+static void i915_hotplug_crt(struct drm_device *dev)
+{
+ struct drm_output *output;
+ struct intel_output *iout;
+
+ mutex_lock(&dev->mode_config.mutex);
+
+ /* find the crt output */
+ list_for_each_entry(output, &dev->mode_config.output_list, head) {
+ iout = output->driver_private;
+ if (iout->type == INTEL_OUTPUT_ANALOG)
+ break;
+ else
+ iout = 0;
+ }
+
+ if (iout == 0)
+ goto unlock;
+
+ drm_hotplug_stage_two(dev, output);
+
+unlock:
+ mutex_unlock(&dev->mode_config.mutex);
+}
+
+static void i915_hotplug_sdvo(struct drm_device *dev, int sdvoB)
+{
+ struct drm_output *output = 0;
+ enum drm_output_status status;
+
+ mutex_lock(&dev->mode_config.mutex);
+
+ output = intel_sdvo_find(dev, sdvoB);
+
+ if (!output) {
+ DRM_ERROR("could not find sdvo%s output\n", sdvoB ? "B" : "C");
+ goto unlock;
+ }
+
+ status = output->funcs->detect(output);
+
+ if (status != output_status_connected)
+ DRM_DEBUG("disconnect or unkown we don't do anything then\n");
+ else
+ drm_hotplug_stage_two(dev, output);
+
+ /* wierd hw bug, sdvo stop sending interupts */
+ intel_sdvo_set_hotplug(output, 1);
+
+unlock:
+ mutex_unlock(&dev->mode_config.mutex);
+}
+/*
+ * This code is called in a more safe envirmoent to handle the hotplugs.
+ * Add code here for hotplug love to userspace.
+ */
+static void i915_hotplug_work_func(struct work_struct *work)
+{
+ struct drm_device *dev = hotplug_dev;
+ int crt;
+ int sdvoB;
+ int sdvoC;
+
+ spin_lock(&hotplug_lock);
+ crt = hotplug_cmd & HOTPLUG_CMD_CRT;
+ sdvoB = hotplug_cmd & HOTPLUG_CMD_SDVOB;
+ sdvoC = hotplug_cmd & HOTPLUG_CMD_SDVOC;
+ hotplug_cmd = 0;
+ spin_unlock(&hotplug_lock);
+
+ if (crt)
+ i915_hotplug_crt(dev);
+
+ if (sdvoB)
+ i915_hotplug_sdvo(dev, 1);
+
+ if (sdvoC)
+ i915_hotplug_sdvo(dev, 0);
+
+}
+
+static int i915_run_hotplug_tasklet(struct drm_device *dev, uint32_t stat)
+{
+ static DECLARE_WORK(hotplug, i915_hotplug_work_func);
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ hotplug_dev = dev;
+
+ if (stat & CRT_HOTPLUG_INT_STATUS) {
+ DRM_DEBUG("CRT event\n");
+
+ if (stat & CRT_HOTPLUG_MONITOR_MASK) {
+ spin_lock(&hotplug_lock);
+ hotplug_cmd |= HOTPLUG_CMD_CRT;
+ spin_unlock(&hotplug_lock);
+ } else {
+ /* handle crt disconnects */
+ }
+ }
+
+ if (stat & SDVOB_HOTPLUG_INT_STATUS) {
+ DRM_DEBUG("sDVOB event\n");
+
+ spin_lock(&hotplug_lock);
+ hotplug_cmd |= HOTPLUG_CMD_SDVOB;
+ spin_unlock(&hotplug_lock);
+ }
+
+ if (stat & SDVOC_HOTPLUG_INT_STATUS) {
+ DRM_DEBUG("sDVOC event\n");
+
+ spin_lock(&hotplug_lock);
+ hotplug_cmd |= HOTPLUG_CMD_SDVOC;
+ spin_unlock(&hotplug_lock);
+ }
+
+ queue_work(dev_priv->wq, &hotplug);
+
+ return 0;
+}
+
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;
- u16 temp;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
+ u32 temp = 0;
+ u32 temp2;
u32 pipea_stats, pipeb_stats;
pipea_stats = I915_READ(I915REG_PIPEASTAT);
pipeb_stats = I915_READ(I915REG_PIPEBSTAT);
- temp = I915_READ16(I915REG_INT_IDENTITY_R);
+ /* On i8xx hw the IIR and IER are 16bit on i9xx its 32bit */
+ if (IS_I9XX(dev))
+ temp = I915_READ(I915REG_INT_IDENTITY_R);
+ else
+ temp = I915_READ16(I915REG_INT_IDENTITY_R);
+
+ temp2 = temp;
+ temp &= (dev_priv->irq_enable_reg | USER_INT_FLAG);
#if 0
+ /* ugly despamification of pipeb event irq */
+ if (temp & (0xFFFFFFF ^ ((1 << 5) | (1 << 7)))) {
+ DRM_DEBUG("IIR %08x\n", temp2);
+ DRM_DEBUG("MSK %08x\n", dev_priv->irq_enable_reg | USER_INT_FLAG);
+ DRM_DEBUG("M&I %08x\n", temp);
+ DRM_DEBUG("HOT %08x\n", I915_READ(PORT_HOTPLUG_STAT));
+ }
+#else
+#if 0
DRM_DEBUG("flag=%08x\n", temp);
#endif
+#endif
+
if (temp == 0)
return IRQ_NONE;
+ if (IS_I9XX(dev)) {
+ I915_WRITE(I915REG_INT_IDENTITY_R, temp);
+ (void) I915_READ(I915REG_INT_IDENTITY_R);
+ } else {
+ I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
+ (void) I915_READ16(I915REG_INT_IDENTITY_R);
+ }
+
/*
* Clear the PIPE(A|B)STAT regs before the IIR otherwise
* we may get extra interrupts.
@@ -437,6 +596,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
pipea_stats | I915_VBLANK_INTERRUPT_ENABLE |
I915_VBLANK_CLEAR);
}
+
if (temp & VSYNC_PIPEB_FLAG) {
drm_handle_vblank(dev, i915_get_plane(dev, 1));
I915_WRITE(I915REG_PIPEBSTAT,
@@ -447,6 +607,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
(void) I915_READ16(I915REG_INT_IDENTITY_R); /* Flush posted write */
+ DRM_READMEMORYBARRIER();
+
temp &= (dev_priv->irq_enable_reg | USER_INT_FLAG | VSYNC_PIPEA_FLAG |
VSYNC_PIPEB_FLAG);
@@ -464,12 +626,23 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
drm_locked_tasklet(dev, i915_vblank_tasklet);
}
+ /* for now lest just ack it */
+ if (temp & (1 << 17)) {
+ DRM_DEBUG("Hotplug event received\n");
+
+ temp2 = I915_READ(PORT_HOTPLUG_STAT);
+
+ i915_run_hotplug_tasklet(dev, temp2);
+
+ I915_WRITE(PORT_HOTPLUG_STAT,temp2);
+ }
+
return IRQ_HANDLED;
}
int i915_emit_irq(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
RING_LOCALS;
i915_kernel_lost_context(dev);
@@ -486,7 +659,7 @@ int i915_emit_irq(struct drm_device *dev)
return dev_priv->counter;
}
-void i915_user_irq_on(drm_i915_private_t *dev_priv)
+void i915_user_irq_on(struct drm_i915_private *dev_priv)
{
DRM_SPINLOCK(&dev_priv->user_irq_lock);
if (dev_priv->irq_enabled && (++dev_priv->user_irq_refcount == 1)){
@@ -496,8 +669,8 @@ void i915_user_irq_on(drm_i915_private_t *dev_priv)
DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
}
-
-void i915_user_irq_off(drm_i915_private_t *dev_priv)
+
+void i915_user_irq_off(struct drm_i915_private *dev_priv)
{
DRM_SPINLOCK(&dev_priv->user_irq_lock);
if (dev_priv->irq_enabled && (--dev_priv->user_irq_refcount == 0)) {
@@ -510,7 +683,7 @@ void i915_user_irq_off(drm_i915_private_t *dev_priv)
static int i915_wait_irq(struct drm_device * dev, int irq_nr)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
int ret = 0;
DRM_DEBUG("irq_nr=%d breadcrumb=%d\n", irq_nr,
@@ -538,8 +711,8 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
int i915_irq_emit(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_irq_emit_t *emit = data;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_irq_emit *emit = data;
int result;
LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -564,8 +737,8 @@ int i915_irq_emit(struct drm_device *dev, void *data,
int i915_irq_wait(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_irq_wait_t *irqwait = data;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_irq_wait *irqwait = data;
if (!dev_priv) {
DRM_ERROR("called with no initialization\n");
@@ -577,9 +750,9 @@ int i915_irq_wait(struct drm_device *dev, void *data,
int i915_enable_vblank(struct drm_device *dev, int plane)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
int pipe = i915_get_pipe(dev, plane);
-
+
switch (pipe) {
case 0:
dev_priv->irq_enable_reg |= VSYNC_PIPEA_FLAG;
@@ -600,7 +773,7 @@ int i915_enable_vblank(struct drm_device *dev, int plane)
void i915_disable_vblank(struct drm_device *dev, int plane)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
int pipe = i915_get_pipe(dev, plane);
switch (pipe) {
@@ -619,13 +792,48 @@ void i915_disable_vblank(struct drm_device *dev, int plane)
I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
}
-static void i915_enable_interrupt (struct drm_device *dev)
+void i915_enable_interrupt (struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
+ struct drm_output *o;
+
dev_priv->irq_enable_reg |= USER_INT_FLAG;
- I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ if (IS_I9XX(dev) && dev->mode_config.num_output) {
+ dev_priv->irq_enable_reg |= HOTPLUG_FLAG;
+
+ /* Activate the CRT */
+ I915_WRITE(PORT_HOTPLUG_EN, CRT_HOTPLUG_INT_EN);
+
+ /* SDVOB */
+ o = intel_sdvo_find(dev, 1);
+ if (o && intel_sdvo_supports_hotplug(o)) {
+ intel_sdvo_set_hotplug(o, 1);
+ I915_WRITE(PORT_HOTPLUG_EN, SDVOB_HOTPLUG_INT_EN);
+ }
+
+ /* SDVOC */
+ o = intel_sdvo_find(dev, 0);
+ if (o && intel_sdvo_supports_hotplug(o)) {
+ intel_sdvo_set_hotplug(o, 1);
+ I915_WRITE(PORT_HOTPLUG_EN, SDVOC_HOTPLUG_INT_EN);
+ }
+
+ }
+
+ if (IS_I9XX(dev)) {
+ I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ } else {
+ I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ }
+
+ DRM_DEBUG("HEN %08x\n",I915_READ(PORT_HOTPLUG_EN));
+ DRM_DEBUG("HST %08x\n",I915_READ(PORT_HOTPLUG_STAT));
+ DRM_DEBUG("IER %08x\n",I915_READ(I915REG_INT_ENABLE_R));
+ DRM_DEBUG("SDB %08x\n",I915_READ(SDVOB));
+
+ I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
+
dev_priv->irq_enabled = 1;
}
@@ -634,8 +842,8 @@ static void i915_enable_interrupt (struct drm_device *dev)
int i915_vblank_pipe_set(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_vblank_pipe_t *pipe = data;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_vblank_pipe *pipe = data;
if (!dev_priv) {
DRM_ERROR("called with no initialization\n");
@@ -655,8 +863,8 @@ int i915_vblank_pipe_set(struct drm_device *dev, void *data,
int i915_vblank_pipe_get(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_vblank_pipe_t *pipe = data;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_vblank_pipe *pipe = data;
u16 flag;
if (!dev_priv) {
@@ -680,9 +888,9 @@ int i915_vblank_pipe_get(struct drm_device *dev, void *data,
int i915_vblank_swap(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
- drm_i915_vblank_swap_t *swap = data;
- drm_i915_vbl_swap_t *vbl_swap;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_vblank_swap *swap = data;
+ struct drm_i915_vbl_swap *vbl_swap;
unsigned int pipe, seqtype, curseq, plane;
unsigned long irqflags;
struct list_head *list;
@@ -776,7 +984,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
DRM_SPINLOCK_IRQSAVE(&dev_priv->swaps_lock, irqflags);
list_for_each(list, &dev_priv->vbl_swaps.head) {
- vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head);
+ vbl_swap = list_entry(list, struct drm_i915_vbl_swap, head);
if (vbl_swap->drw_id == swap->drawable &&
vbl_swap->plane == plane &&
@@ -832,16 +1040,22 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
*/
void i915_driver_irq_preinstall(struct drm_device * dev)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
I915_WRITE16(I915REG_HWSTAM, 0xeffe);
- I915_WRITE16(I915REG_INT_MASK_R, 0x0);
- I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
+ if (IS_I9XX(dev)) {
+ I915_WRITE(I915REG_INT_MASK_R, 0x0);
+ I915_WRITE(I915REG_INT_ENABLE_R, 0x0);
+ } else {
+ I915_WRITE16(I915REG_INT_MASK_R, 0x0);
+ I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
+ }
+
}
int i915_driver_irq_postinstall(struct drm_device * dev)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
int ret, num_pipes = 2;
DRM_SPININIT(&dev_priv->swaps_lock, "swap");
@@ -871,17 +1085,28 @@ 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;
- u16 temp;
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
+ u32 temp;
if (!dev_priv)
return;
dev_priv->irq_enabled = 0;
- I915_WRITE16(I915REG_HWSTAM, 0xffff);
- I915_WRITE16(I915REG_INT_MASK_R, 0xffff);
- I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
- temp = I915_READ16(I915REG_INT_IDENTITY_R);
- I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
+
+ if(IS_I9XX(dev)) {
+ I915_WRITE(I915REG_HWSTAM, 0xffffffff);
+ I915_WRITE(I915REG_INT_MASK_R, 0xffffffff);
+ I915_WRITE(I915REG_INT_ENABLE_R, 0x0);
+
+ temp = I915_READ(I915REG_INT_IDENTITY_R);
+ I915_WRITE(I915REG_INT_IDENTITY_R, temp);
+ } else {
+ I915_WRITE16(I915REG_HWSTAM, 0xffff);
+ I915_WRITE16(I915REG_INT_MASK_R, 0xffff);
+ I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
+
+ temp = I915_READ16(I915REG_INT_IDENTITY_R);
+ I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 22:31:32 +0000