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-rw-r--r--sys/dev/pci/drm/i915_dma.c64
-rw-r--r--sys/dev/pci/drm/i915_drm.h19
-rw-r--r--sys/dev/pci/drm/i915_drv.h80
-rw-r--r--sys/dev/pci/drm/i915_irq.c161
4 files changed, 95 insertions, 229 deletions
diff --git a/sys/dev/pci/drm/i915_dma.c b/sys/dev/pci/drm/i915_dma.c
index 036d95c65fe..480f1dbc91b 100644
--- a/sys/dev/pci/drm/i915_dma.c
+++ b/sys/dev/pci/drm/i915_dma.c
@@ -142,21 +142,19 @@ static int i915_dma_cleanup(struct drm_device * dev)
if (dev_priv->ring.virtual_start) {
drm_core_ioremapfree(&dev_priv->ring.map, dev);
- dev_priv->ring.virtual_start = 0;
- dev_priv->ring.map.handle = 0;
+ dev_priv->ring.virtual_start = NULL;
+ dev_priv->ring.map.handle = NULL;
dev_priv->ring.map.size = 0;
}
- /* Clear the HWS virtual address as teardown */
+ /* Clear the HWS virtual address at teardown */
if (I915_NEED_GFX_HWS(dev))
i915_free_hws(dev);
return 0;
}
-static int i915_initialize(struct drm_device * dev,
- struct drm_file *file_priv,
- drm_i915_init_t * init)
+static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
{
drm_i915_private_t *dev_priv = dev->dev_private;
@@ -176,8 +174,6 @@ static int i915_initialize(struct drm_device * dev,
dev_priv->sarea_priv = NULL;
}
- dev_priv->ring.Start = init->ring_start;
- dev_priv->ring.End = init->ring_end;
dev_priv->ring.Size = init->ring_size;
dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
@@ -239,9 +235,9 @@ static int i915_dma_resume(struct drm_device * dev)
DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
if (dev_priv->status_gfx_addr != 0)
- I915_WRITE(0x02080, dev_priv->status_gfx_addr);
+ I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
else
- I915_WRITE(0x02080, dev_priv->dma_status_page);
+ I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
DRM_DEBUG("Enabled hardware status page\n");
return 0;
@@ -255,8 +251,7 @@ int i915_dma_init(struct drm_device *dev, void *data,
switch (init->func) {
case I915_INIT_DMA:
- case I915_INIT_DMA2:
- retcode = i915_initialize(dev, file_priv, init);
+ retcode = i915_initialize(dev, init);
break;
case I915_CLEANUP_DMA:
retcode = i915_dma_cleanup(dev);
@@ -446,7 +441,7 @@ void i915_emit_breadcrumb(struct drm_device *dev)
BEGIN_LP_RING(4);
OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(20);
+ OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT);
OUT_RING(dev_priv->counter);
OUT_RING(0);
ADVANCE_LP_RING();
@@ -542,7 +537,6 @@ int i915_dispatch_batchbuffer(struct drm_device * dev,
OUT_RING(batch->start | MI_BATCH_NON_SECURE);
}
ADVANCE_LP_RING();
-
} else {
BEGIN_LP_RING(4);
OUT_RING(MI_BATCH_BUFFER);
@@ -554,6 +548,7 @@ int i915_dispatch_batchbuffer(struct drm_device * dev,
}
i915_emit_breadcrumb(dev);
+
return 0;
}
@@ -631,7 +626,7 @@ int i915_quiescent(struct drm_device *dev)
drm_i915_private_t *dev_priv = dev->dev_private;
i915_kernel_lost_context(dev);
- return i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__);
+ return i915_wait_ring(dev, dev_priv->ring.Size - 8, __func__);
}
int i915_flush_ioctl(struct drm_device *dev, void *data,
@@ -679,9 +674,8 @@ int i915_batchbuffer(struct drm_device *dev, void *data,
int i915_cmdbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
- dev_priv->sarea_priv;
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *)dev->dev_private;
+ drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)dev_priv->sarea_priv;
drm_i915_cmdbuffer_t *cmdbuf = data;
int ret;
@@ -711,12 +705,6 @@ int i915_cmdbuffer(struct drm_device *dev, void *data,
return 0;
}
-#if defined(DRM_DEBUG_CODE)
-#define DRM_DEBUG_RELOCATION (drm_debug != 0)
-#else
-#define DRM_DEBUG_RELOCATION 0
-#endif
-
static int i915_do_cleanup_pageflip(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
@@ -918,7 +906,7 @@ int i915_set_status_page(struct drm_device *dev, void *data,
memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
- DRM_DEBUG("load hws 0x2080 with gfx mem 0x%x\n",
+ DRM_DEBUG("load hws HWS_PGA with gfx mem 0x%x\n",
dev_priv->status_gfx_addr);
DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page);
return 0;
@@ -953,13 +941,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
mtx_init(&dev_priv->swaps_lock, IPL_BIO);
DRM_SPININIT(&dev_priv->user_irq_lock, "I915 irq lock");
-#ifdef __linux__
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
- intel_init_chipset_flush_compat(dev);
-#endif
- intel_opregion_init(dev);
-#endif
-
return ret;
}
@@ -975,17 +956,8 @@ int i915_driver_unload(struct drm_device *dev)
DRM_SPINUNINIT(&dev_priv->swaps_lock);
DRM_SPINUNINIT(&dev_priv->user_irq_lock);
-#ifdef __linux__
- intel_opregion_free(dev);
-#endif
-
- drm_free(dev->dev_private, sizeof(drm_i915_private_t),
- DRM_MEM_DRIVER);
-#ifdef __linux__
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
- intel_fini_chipset_flush_compat(dev);
-#endif
-#endif
+ drm_free(dev->dev_private, sizeof(drm_i915_private_t), DRM_MEM_DRIVER);
+
return 0;
}
@@ -1003,6 +975,7 @@ void i915_driver_lastclose(struct drm_device * dev)
if (dev_priv->agp_heap)
i915_mem_takedown(&(dev_priv->agp_heap));
+
i915_dma_cleanup(dev);
}
@@ -1028,8 +1001,3 @@ int i915_driver_device_is_agp(struct drm_device * dev)
{
return 1;
}
-
-int i915_driver_firstopen(struct drm_device *dev)
-{
- return 0;
-}
diff --git a/sys/dev/pci/drm/i915_drm.h b/sys/dev/pci/drm/i915_drm.h
index 97e77428692..111a1ca1d30 100644
--- a/sys/dev/pci/drm/i915_drm.h
+++ b/sys/dev/pci/drm/i915_drm.h
@@ -43,12 +43,7 @@ typedef struct _drm_i915_init {
enum {
I915_INIT_DMA = 0x01,
I915_CLEANUP_DMA = 0x02,
- I915_RESUME_DMA = 0x03,
-
- /* Since this struct isn't versioned, just used a new
- * 'func' code to indicate the presence of dri2 sarea
- * info. */
- I915_INIT_DMA2 = 0x04
+ I915_RESUME_DMA = 0x03
} func;
unsigned int mmio_offset;
int sarea_priv_offset;
@@ -66,7 +61,6 @@ typedef struct _drm_i915_init {
unsigned int depth_pitch;
unsigned int cpp;
unsigned int chipset;
- unsigned int sarea_handle;
} drm_i915_init_t;
typedef struct drm_i915_sarea {
@@ -175,7 +169,6 @@ typedef struct drm_i915_sarea {
#define DRM_I915_VBLANK_SWAP 0x0f
#define DRM_I915_MMIO 0x10
#define DRM_I915_HWS_ADDR 0x11
-#define DRM_I915_EXECBUFFER 0x12
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -194,7 +187,6 @@ typedef struct drm_i915_sarea {
#define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
#define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
#define DRM_IOCTL_I915_MMIO DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_MMIO, drm_i915_mmio)
-#define DRM_IOCTL_I915_EXECBUFFER DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_EXECBUFFER, struct drm_i915_execbuffer)
/* Asynchronous page flipping:
*/
@@ -386,13 +378,4 @@ struct drm_i915_op_arg {
} d;
};
-
-struct drm_i915_execbuffer {
- uint64_t ops_list;
- uint32_t num_buffers;
- struct drm_i915_batchbuffer batch;
- drm_context_t context; /* for lockless use in the future */
- struct drm_fence_arg fence_arg;
-};
-
#endif /* _I915_DRM_H_ */
diff --git a/sys/dev/pci/drm/i915_drv.h b/sys/dev/pci/drm/i915_drv.h
index f7d255cb5ec..3a728c411ca 100644
--- a/sys/dev/pci/drm/i915_drv.h
+++ b/sys/dev/pci/drm/i915_drv.h
@@ -39,6 +39,11 @@
#define DRIVER_DESC "Intel Graphics"
#define DRIVER_DATE "20080312"
+enum pipe {
+ PIPE_A = 0,
+ PIPE_B,
+};
+
/* Interface history:
*
* 1.1: Original.
@@ -48,25 +53,13 @@
* 1.5: Add vblank pipe configuration
* 1.6: - New ioctl for scheduling buffer swaps on vertical blank
* - Support vertical blank on secondary display pipe
- * 1.8: New ioctl for ARB_Occlusion_Query
- * 1.9: Usable page flipping and triple buffering
- * 1.10: Plane/pipe disentangling
- * 1.11: TTM superioctl
- * 1.12: TTM relocation optimization
*/
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 6
#define DRIVER_PATCHLEVEL 0
-enum pipe {
- PIPE_A = 0,
- PIPE_B,
-};
-
typedef struct _drm_i915_ring_buffer {
int tail_mask;
- unsigned long Start;
- unsigned long End;
unsigned long Size;
u8 *virtual_start;
int head;
@@ -91,22 +84,6 @@ typedef struct _drm_i915_vbl_swap {
int flip;
} drm_i915_vbl_swap_t;
-#ifdef __linux__
-struct opregion_header;
-struct opregion_acpi;
-struct opregion_swsci;
-struct opregion_asle;
-
-struct intel_opregion {
- struct opregion_header *header;
- struct opregion_acpi *acpi;
- struct opregion_swsci *swsci;
- struct opregion_asle *asle;
-
- int enabled;
-};
-#endif
-
typedef struct drm_i915_private {
drm_local_map_t *sarea;
drm_local_map_t *mmio_map;
@@ -125,14 +102,12 @@ typedef struct drm_i915_private {
wait_queue_head_t irq_queue;
atomic_t irq_received;
- atomic_t irq_emitted;
/* Protects user_irq_refcount and irq_mask reg */
DRM_SPINTYPE user_irq_lock;
/* Refcount for user irq, only enabled when needed */
int user_irq_refcount;
/* Cached value of IMR to avoid reads in updating the bitfield */
u_int32_t irq_mask_reg;
- int irq_enabled;
int tex_lru_log_granularity;
int allow_batchbuffer;
@@ -144,10 +119,6 @@ typedef struct drm_i915_private {
drm_i915_vbl_swap_t vbl_swaps;
unsigned int swaps_pending;
-#ifdef __linux__
- struct intel_opregion opregion;
-#endif
-
/* Register state */
u8 saveLBB;
u32 saveDSPACNTR;
@@ -273,7 +244,6 @@ extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
extern void i915_driver_irq_preinstall(struct drm_device * dev);
extern int i915_driver_irq_postinstall(struct drm_device * dev);
extern void i915_driver_irq_uninstall(struct drm_device * dev);
-extern void i915_enable_interrupt(struct drm_device *dev);
extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
@@ -284,8 +254,8 @@ extern void i915_disable_vblank(struct drm_device *dev, int crtc);
extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
extern int i915_vblank_swap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern void i915_user_irq_on(drm_i915_private_t *dev_priv);
-extern void i915_user_irq_off(drm_i915_private_t *dev_priv);
+extern void i915_user_irq_get(struct drm_device *dev);
+extern void i915_user_irq_put(struct drm_device *dev);
/* i915_mem.c */
extern int i915_mem_alloc(struct drm_device *dev, void *data,
@@ -305,21 +275,6 @@ extern void i915_mem_release(struct drm_device * dev,
extern int i915_save_state(struct drm_device *dev);
extern int i915_restore_state(struct drm_device *dev);
-#ifdef __linux__
-/* i915_opregion.c */
-extern int intel_opregion_init(struct drm_device *dev);
-extern void intel_opregion_free(struct drm_device *dev);
-extern void opregion_asle_intr(struct drm_device *dev);
-extern void opregion_enable_asle(struct drm_device *dev);
-#endif
-
-#ifdef __linux__
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
-extern void intel_init_chipset_flush_compat(struct drm_device *dev);
-extern void intel_fini_chipset_flush_compat(struct drm_device *dev);
-#endif
-#endif
-
/* ioctls */
extern int i915_dma_init(struct drm_device *, void *, struct drm_file *);
extern int i915_flush_ioctl(struct drm_device *, void *, struct drm_file *);
@@ -338,23 +293,16 @@ extern int i915_set_status_page(struct drm_device *, void *, struct drm_file *);
#define I915_READ8(reg) DRM_READ8(dev_priv->mmio_map, (reg))
#define I915_WRITE8(reg,val) DRM_WRITE8(dev_priv->mmio_map, (reg), (val))
-#if defined(__FreeBSD__)
-typedef boolean_t bool;
-#endif
-
#define I915_VERBOSE 0
-#define PRIMARY_RINGBUFFER_SIZE (128*1024)
-
#define RING_LOCALS unsigned int outring, ringmask, outcount; \
volatile char *virt;
#define BEGIN_LP_RING(n) do { \
if (I915_VERBOSE) \
- DRM_DEBUG("BEGIN_LP_RING(%d)\n", \
- (n)); \
- if (dev_priv->ring.space < (n)*4) \
- i915_wait_ring(dev, (n)*4, __FUNCTION__); \
+ DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n)); \
+ if (dev_priv->ring.space < (n)*4) \
+ i915_wait_ring(dev, (n)*4, __func__); \
outcount = 0; \
outring = dev_priv->ring.tail; \
ringmask = dev_priv->ring.tail_mask; \
@@ -363,7 +311,7 @@ typedef boolean_t bool;
#define OUT_RING(n) do { \
if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
- *(volatile unsigned int *)(virt + outring) = (n); \
+ *(volatile unsigned int *)(virt + outring) = (n); \
outcount++; \
outring += 4; \
outring &= ringmask; \
@@ -478,6 +426,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
#define MI_STORE_DWORD_IMM MI_INSTR(0x20, 1)
#define MI_MEM_VIRTUAL (1 << 22) /* 965+ only */
#define MI_STORE_DWORD_INDEX MI_INSTR(0x21, 1)
+#define MI_STORE_DWORD_INDEX_SHIFT 2
#define MI_LOAD_REGISTER_IMM MI_INSTR(0x22, 1)
#define MI_BATCH_BUFFER MI_INSTR(0x30, 1)
#define MI_BATCH_NON_SECURE (1)
@@ -487,8 +436,6 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
#define BREADCRUMB_BITS 31
#define BREADCRUMB_MASK ((1U << BREADCRUMB_BITS) - 1)
-#define READ_BREADCRUMB(dev_priv) (((volatile u32*)(dev_priv->hw_status_page))[5])
-
/**
* Reads a dword out of the status page, which is written to from the command
* queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
@@ -503,6 +450,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
* The area from dword 0x10 to 0x3ff is available for driver usage.
*/
#define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg])
+#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, 5)
#define I915_GEM_HWS_INDEX 0x10
/*
@@ -1804,4 +1752,6 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
+#define PRIMARY_RINGBUFFER_SIZE (128*1024)
+
#endif
diff --git a/sys/dev/pci/drm/i915_irq.c b/sys/dev/pci/drm/i915_irq.c
index 604178ebe0e..7c01183b7fe 100644
--- a/sys/dev/pci/drm/i915_irq.c
+++ b/sys/dev/pci/drm/i915_irq.c
@@ -403,8 +403,9 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
low_frame = pipe ? PIPEBFRAMEPIXEL : PIPEAFRAMEPIXEL;
if (!i915_pipe_enabled(dev, pipe)) {
- DRM_DEBUG("trying to get vblank count for disabled pipe %d\n", pipe);
- return 0;
+ DRM_DEBUG("trying to get vblank count for disabled pipe %d\n",
+ pipe);
+ return 0;
}
/*
@@ -431,11 +432,11 @@ 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 pipea_stats = 0, pipeb_stats = 0;
+ u32 pipea_stats, pipeb_stats;
int vblank = 0;
- iir = I915_READ(IIR);
atomic_inc(&dev_priv->irq_received);
+ iir = I915_READ(IIR);
if (iir == 0)
return IRQ_NONE;
@@ -446,8 +447,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
if (iir & I915_DISPLAY_PIPE_A_EVENT_INTERRUPT) {
pipea_stats = I915_READ(PIPEASTAT);
if (pipea_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
- PIPE_VBLANK_INTERRUPT_STATUS))
- {
+ PIPE_VBLANK_INTERRUPT_STATUS)) {
vblank++;
drm_handle_vblank(dev, i915_get_plane(dev, 0));
}
@@ -459,36 +459,21 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
/* 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 &= ~(I915_VBLANK_INTERRUPT_ENABLE);
-
if (pipeb_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
- PIPE_VBLANK_INTERRUPT_STATUS))
- {
+ PIPE_VBLANK_INTERRUPT_STATUS)) {
vblank++;
drm_handle_vblank(dev, i915_get_plane(dev, 1));
}
-#ifdef __linux__
- if (pipeb_stats & I915_LEGACY_BLC_EVENT_ENABLE)
- opregion_asle_intr(dev);
-#endif
I915_WRITE(PIPEBSTAT, pipeb_stats);
}
-#ifdef __linux__
- if (iir & I915_ASLE_INTERRUPT)
- opregion_asle_intr(dev);
-#endif
-
- if (dev_priv->sarea_priv)
- dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
-
I915_WRITE(IIR, iir);
(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) {
DRM_WAKEUP(&dev_priv->irq_queue);
}
@@ -520,19 +505,23 @@ 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_get(struct drm_device *dev)
{
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *)dev->dev_private;
+
DRM_SPINLOCK(&dev_priv->user_irq_lock);
- if (dev_priv->irq_enabled && (++dev_priv->user_irq_refcount == 1))
+ if (dev->irq_enabled && (++dev_priv->user_irq_refcount == 1))
i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
}
-void i915_user_irq_off(drm_i915_private_t *dev_priv)
+void i915_user_irq_put(struct drm_device *dev)
{
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *)dev->dev_private;
+
DRM_SPINLOCK(&dev_priv->user_irq_lock);
- if (dev_priv->irq_enabled && (--dev_priv->user_irq_refcount == 0))
+ if (dev->irq_enabled && (--dev_priv->user_irq_refcount == 0))
i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
}
@@ -543,25 +532,21 @@ int i915_wait_irq(struct drm_device * dev, int irq_nr)
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
int ret = 0;
- if (!dev_priv) {
- DRM_ERROR("called with no initialization\n");
- return EINVAL;
- }
-
DRM_DEBUG("irq_nr=%d breadcrumb=%d\n", irq_nr,
READ_BREADCRUMB(dev_priv));
if (READ_BREADCRUMB(dev_priv) >= irq_nr) {
- if (dev_priv->sarea_priv)
+ if (dev_priv->sarea_priv) {
dev_priv->sarea_priv->last_dispatch =
READ_BREADCRUMB(dev_priv);
+ }
return 0;
}
- i915_user_irq_on(dev_priv);
+ i915_user_irq_get(dev);
DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
READ_BREADCRUMB(dev_priv) >= irq_nr);
- i915_user_irq_off(dev_priv);
+ i915_user_irq_put(dev);
if (ret == EBUSY) {
DRM_ERROR("EBUSY -- rec: %d emitted: %d\n",
@@ -621,44 +606,42 @@ int i915_enable_vblank(struct drm_device *dev, int plane)
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
int pipe = i915_get_pipe(dev, plane);
u32 pipestat_reg = 0;
- u32 mask_reg = 0;
u32 pipestat;
+ u32 interrupt = 0;
switch (pipe) {
case 0:
pipestat_reg = PIPEASTAT;
- mask_reg |= I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
+ interrupt = I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
break;
case 1:
pipestat_reg = PIPEBSTAT;
- mask_reg |= I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
+ interrupt = I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
break;
default:
DRM_ERROR("tried to enable vblank on non-existent pipe %d\n",
pipe);
- break;
+ return (0);
}
- if (pipestat_reg)
- {
- pipestat = I915_READ (pipestat_reg);
- /*
- * Older chips didn't have the start vblank interrupt,
- * but
- */
- if (IS_I965G (dev))
- pipestat |= PIPE_START_VBLANK_INTERRUPT_ENABLE;
- else
- pipestat |= PIPE_VBLANK_INTERRUPT_ENABLE;
- /*
- * Clear any pending status
- */
- pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
- PIPE_VBLANK_INTERRUPT_STATUS);
- I915_WRITE(pipestat_reg, pipestat);
- }
+ pipestat = I915_READ (pipestat_reg);
+ /*
+ * Older chips didn't have the start vblank interrupt,
+ * but
+ */
+ if (IS_I965G (dev))
+ pipestat |= PIPE_START_VBLANK_INTERRUPT_ENABLE;
+ else
+ pipestat |= PIPE_VBLANK_INTERRUPT_ENABLE;
+ /*
+ * Clear any pending status
+ */
+ pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
+ PIPE_VBLANK_INTERRUPT_STATUS);
+ I915_WRITE(pipestat_reg, pipestat);
+
DRM_SPINLOCK(&dev_priv->user_irq_lock);
- i915_enable_irq(dev_priv, mask_reg);
+ i915_enable_irq(dev_priv, interrupt);
DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
return 0;
@@ -669,57 +652,38 @@ void i915_disable_vblank(struct drm_device *dev, int plane)
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
int pipe = i915_get_pipe(dev, plane);
u32 pipestat_reg = 0;
- u32 mask_reg = 0;
u32 pipestat;
+ u32 interrupt = 0;
switch (pipe) {
case 0:
pipestat_reg = PIPEASTAT;
- mask_reg |= I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
+ interrupt = I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
break;
case 1:
pipestat_reg = PIPEBSTAT;
- mask_reg |= I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
+ interrupt = I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
break;
default:
DRM_ERROR("tried to disable vblank on non-existent pipe %d\n",
pipe);
- break;
+ return;
}
DRM_SPINLOCK(&dev_priv->user_irq_lock);
- i915_disable_irq(dev_priv, mask_reg);
+ i915_disable_irq(dev_priv, interrupt);
DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
- if (pipestat_reg)
- {
- pipestat = I915_READ (pipestat_reg);
- pipestat &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE |
- PIPE_VBLANK_INTERRUPT_ENABLE);
- /*
- * Clear any pending status
- */
- pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
- PIPE_VBLANK_INTERRUPT_STATUS);
- I915_WRITE(pipestat_reg, pipestat);
- (void)I915_READ(pipestat_reg);
- }
-}
-
-void i915_enable_interrupt (struct drm_device *dev)
-{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-
- dev_priv->irq_mask_reg = ~0;
- I915_WRITE(IMR, dev_priv->irq_mask_reg);
- I915_WRITE(IER, I915_INTERRUPT_ENABLE_MASK);
- (void)I915_READ(IER);
-
-#ifdef __linux__
- opregion_enable_asle(dev);
-#endif
-
- dev_priv->irq_enabled = 1;
+ pipestat = I915_READ (pipestat_reg);
+ pipestat &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE |
+ PIPE_VBLANK_INTERRUPT_ENABLE);
+ /*
+ * Clear any pending status
+ */
+ pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
+ PIPE_VBLANK_INTERRUPT_STATUS);
+ I915_WRITE(pipestat_reg, pipestat);
+ (void)I915_READ(pipestat_reg);
}
/* Set the vblank monitor pipe
@@ -919,7 +883,7 @@ 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(IMR, 0x0);
+ I915_WRITE(IMR, 0xffffffff);
I915_WRITE(IER, 0x0);
}
@@ -931,7 +895,6 @@ int i915_driver_irq_postinstall(struct drm_device * dev)
INIT_LIST_HEAD(&dev_priv->vbl_swaps.head);
dev_priv->swaps_pending = 0;
- dev_priv->user_irq_refcount = 0;
dev_priv->irq_mask_reg = ~0;
ret = drm_vblank_init(dev, num_pipes);
@@ -941,7 +904,10 @@ int i915_driver_irq_postinstall(struct drm_device * dev)
dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
- i915_enable_interrupt(dev);
+ I915_WRITE(IMR, dev_priv->irq_mask_reg);
+ I915_WRITE(IER, I915_INTERRUPT_ENABLE_MASK);
+ (void)I915_READ(IER);
+
DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
/*
@@ -962,7 +928,6 @@ void i915_driver_irq_uninstall(struct drm_device * dev)
dev_priv->vblank_pipe = 0;
- dev_priv->irq_enabled = 0;
I915_WRITE(HWSTAM, 0xffffffff);
I915_WRITE(IMR, 0xffffffff);
I915_WRITE(IER, 0x0);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 12:28:02 +0000