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-rw-r--r--shared-core/radeon_ms.h14
-rw-r--r--shared-core/radeon_ms_drm.c22
-rw-r--r--shared-core/radeon_ms_drm.h23
-rw-r--r--shared-core/radeon_ms_exec.c2
-rw-r--r--shared-core/radeon_ms_fence.c248
-rw-r--r--shared-core/radeon_ms_irq.c4
6 files changed, 226 insertions, 87 deletions
diff --git a/shared-core/radeon_ms.h b/shared-core/radeon_ms.h
index 903de97d..12c945f9 100644
--- a/shared-core/radeon_ms.h
+++ b/shared-core/radeon_ms.h
@@ -31,6 +31,7 @@
#define __RADEON_MS_H__
#include "radeon_ms_drv.h"
+#include "amd_r3xx_fence.h"
#include "radeon_ms_reg.h"
#include "radeon_ms_drm.h"
#include "radeon_ms_rom.h"
@@ -328,6 +329,7 @@ struct drm_radeon_private {
/* abstract asic specific structures */
struct radeon_ms_rom rom;
struct radeon_ms_properties properties;
+ void *fence;
};
@@ -425,15 +427,9 @@ int radeon_ms_execbuffer(struct drm_device *dev, void *data,
int radeon_ms_family_init(struct drm_device *dev);
/* radeon_ms_fence.c */
-int radeon_ms_fence_emit_sequence(struct drm_device *dev, uint32_t class,
- uint32_t flags, uint32_t *sequence,
- uint32_t *native_type);
-void radeon_ms_fence_handler(struct drm_device * dev);
-int radeon_ms_fence_has_irq(struct drm_device *dev, uint32_t class,
- uint32_t flags);
-int radeon_ms_fence_types(struct drm_buffer_object *bo,
- uint32_t * class, uint32_t * type);
-void radeon_ms_poke_flush(struct drm_device * dev, uint32_t class);
+void r3xx_fence_handler(struct drm_device * dev);
+int r3xx_fence_types(struct drm_buffer_object *bo,
+ uint32_t * class, uint32_t * type);
/* radeon_ms_fb.c */
int radeonfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
diff --git a/shared-core/radeon_ms_drm.c b/shared-core/radeon_ms_drm.c
index 857182ae..b9245d99 100644
--- a/shared-core/radeon_ms_drm.c
+++ b/shared-core/radeon_ms_drm.c
@@ -43,24 +43,13 @@ static uint32_t radeon_ms_busy_prios[] = {
DRM_BO_MEM_LOCAL,
};
-struct drm_fence_driver radeon_ms_fence_driver = {
- .num_classes = 1,
- .wrap_diff = (1 << 30),
- .flush_diff = (1 << 29),
- .sequence_mask = 0xffffffffU,
- .lazy_capable = 1,
- .emit = radeon_ms_fence_emit_sequence,
- .poke_flush = radeon_ms_poke_flush,
- .has_irq = radeon_ms_fence_has_irq,
-};
-
struct drm_bo_driver radeon_ms_bo_driver = {
.mem_type_prio = radeon_ms_mem_prios,
.mem_busy_prio = radeon_ms_busy_prios,
.num_mem_type_prio = sizeof(radeon_ms_mem_prios)/sizeof(uint32_t),
.num_mem_busy_prio = sizeof(radeon_ms_busy_prios)/sizeof(uint32_t),
.create_ttm_backend_entry = radeon_ms_create_ttm_backend,
- .fence_type = radeon_ms_fence_types,
+ .fence_type = r3xx_fence_types,
.invalidate_caches = radeon_ms_invalidate_caches,
.init_mem_type = radeon_ms_init_mem_type,
.evict_flags = radeon_ms_evict_flags,
@@ -127,6 +116,13 @@ int radeon_ms_driver_load(struct drm_device *dev, unsigned long flags)
return ret;
}
+ dev_priv->fence = drm_alloc(sizeof(struct r3xx_fence), DRM_MEM_DRIVER);
+ if (dev_priv->fence == NULL) {
+ radeon_ms_driver_unload(dev);
+ return -ENOMEM;
+ }
+ memset(dev_priv->fence, 0, sizeof(struct r3xx_fence));
+
/* we don't want userspace to be able to map this so don't use
* drm_addmap */
dev_priv->mmio.offset = drm_get_resource_start(dev, 2);
@@ -309,9 +305,11 @@ int radeon_ms_driver_unload(struct drm_device *dev)
drm_core_ioremapfree(&dev_priv->vram, dev);
}
DRM_INFO("[radeon_ms] map released\n");
+ drm_free(dev_priv->fence, sizeof(struct r3xx_fence), DRM_MEM_DRIVER);
drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
dev->dev_private = NULL;
+
DRM_INFO("[radeon_ms] that's all the folks\n");
return 0;
}
diff --git a/shared-core/radeon_ms_drm.h b/shared-core/radeon_ms_drm.h
index 842d5331..39c050ad 100644
--- a/shared-core/radeon_ms_drm.h
+++ b/shared-core/radeon_ms_drm.h
@@ -30,16 +30,23 @@
#ifndef __RADEON_MS_DRM_H__
#define __RADEON_MS_DRM_H__
-/* fence definitions */
-/* The only fence class we support */
-#define DRM_RADEON_FENCE_CLASS_ACCEL 0
-/* Fence type that guarantees read-write flush */
-#define DRM_RADEON_FENCE_TYPE_RW 2
-/* cache flushes programmed just before the fence */
-#define DRM_RADEON_FENCE_FLAG_FLUSHED 0x01000000
+/* Fence
+ * We have only one fence class as we submit command through th
+ * same fifo so there is no need to synchronize buffer btw different
+ * cmd stream.
+ *
+ * Set DRM_RADEON_FENCE_FLAG_FLUSHED if you want a flush with
+ * emission of the fence
+ *
+ * For fence type we have the native DRM EXE type and the radeon RW
+ * type.
+ */
+#define DRM_RADEON_FENCE_CLASS_ACCEL 0
+#define DRM_RADEON_FENCE_TYPE_RW 2
+#define DRM_RADEON_FENCE_FLAG_FLUSHED 0x01000000
/* radeon ms ioctl */
-#define DRM_RADEON_EXECBUFFER 0x00
+#define DRM_RADEON_EXECBUFFER 0x00
struct drm_radeon_execbuffer_arg {
uint64_t next;
diff --git a/shared-core/radeon_ms_exec.c b/shared-core/radeon_ms_exec.c
index b2ce3cbb..8e28b19e 100644
--- a/shared-core/radeon_ms_exec.c
+++ b/shared-core/radeon_ms_exec.c
@@ -223,7 +223,7 @@ int radeon_ms_execbuffer(struct drm_device *dev, void *data,
fence_arg->handle = fence->base.hash.key;
fence_arg->fence_class = fence->fence_class;
fence_arg->type = fence->type;
- fence_arg->signaled = fence->signaled;
+ fence_arg->signaled = fence->signaled_types;
fence_arg->sequence = fence->sequence;
}
}
diff --git a/shared-core/radeon_ms_fence.c b/shared-core/radeon_ms_fence.c
index 6fcf5437..162d37d6 100644
--- a/shared-core/radeon_ms_fence.c
+++ b/shared-core/radeon_ms_fence.c
@@ -27,103 +27,241 @@
* Jerome Glisse <glisse@freedesktop.org>
*/
#include "radeon_ms.h"
+#include "amd_r3xx_fence.h"
-static void radeon_ms_fence_flush(struct drm_device *dev)
+#define R3XX_FENCE_SEQUENCE_RW_FLUSH 0x80000000u
+
+static inline int r3xx_fence_emit_sequence(struct drm_device *dev,
+ struct drm_radeon_private *dev_priv,
+ uint32_t sequence)
{
- struct drm_radeon_private *dev_priv = dev->dev_private;
- struct drm_fence_class_manager *fc = &dev->fm.fence_class[0];
- uint32_t pending_flush_types = 0;
+ struct r3xx_fence *r3xx_fence = dev_priv->fence;
+ uint32_t cmd[2];
+ int i, r;
+
+ if (sequence & R3XX_FENCE_SEQUENCE_RW_FLUSH) {
+ r3xx_fence->sequence_last_flush =
+ sequence & ~R3XX_FENCE_SEQUENCE_RW_FLUSH;
+ /* Ask flush for VERTEX & FRAGPROG pipeline
+ * have 3D idle */
+ dev_priv->flush_cache(dev);
+ }
+ cmd[0] = CP_PACKET0(dev_priv->fence_reg, 0);
+ cmd[1] = sequence;
+ for (i = 0; i < dev_priv->usec_timeout; i++) {
+ r = radeon_ms_ring_emit(dev, cmd, 2);
+ if (!r) {
+ dev_priv->irq_emit(dev);
+ return 0;
+ }
+ }
+ return -EBUSY;
+}
+
+static inline uint32_t r3xx_fence_sequence(struct r3xx_fence *r3xx_fence)
+{
+ r3xx_fence->sequence += 1;
+ if (unlikely(r3xx_fence->sequence > 0x7fffffffu)) {
+ r3xx_fence->sequence = 1;
+ }
+ return r3xx_fence->sequence;
+}
+
+static inline void r3xx_fence_report(struct drm_device *dev,
+ struct drm_radeon_private *dev_priv,
+ struct r3xx_fence *r3xx_fence)
+{
+ uint32_t fence_types = DRM_FENCE_TYPE_EXE;
uint32_t sequence;
if (dev_priv == NULL) {
return;
}
- pending_flush_types = fc->pending_flush |
- ((fc->pending_exe_flush) ?
- DRM_FENCE_TYPE_EXE : 0);
- if (pending_flush_types) {
- sequence = mmio_read(dev_priv, dev_priv->fence_reg);
- drm_fence_handler(dev, 0, sequence, pending_flush_types, 0);
+ sequence = mmio_read(dev_priv, dev_priv->fence_reg);
+ if (sequence & R3XX_FENCE_SEQUENCE_RW_FLUSH) {
+ sequence &= ~R3XX_FENCE_SEQUENCE_RW_FLUSH;
+ fence_types |= DRM_RADEON_FENCE_TYPE_RW;
+ if (sequence == r3xx_fence->sequence_last_flush) {
+ r3xx_fence->sequence_last_flush = 0;
+ }
}
+ /* avoid to report already reported sequence */
+ if (sequence != r3xx_fence->sequence_last_reported) {
+ drm_fence_handler(dev, 0, sequence, fence_types, 0);
+ r3xx_fence->sequence_last_reported = sequence;
+ }
+}
+
+static void r3xx_fence_flush(struct drm_device *dev, uint32_t class)
+{
+ struct drm_radeon_private *dev_priv = dev->dev_private;
+ struct r3xx_fence *r3xx_fence = dev_priv->fence;
+ uint32_t sequence;
+
+ sequence = r3xx_fence_sequence(r3xx_fence);
+ sequence |= R3XX_FENCE_SEQUENCE_RW_FLUSH;
+ r3xx_fence_emit_sequence(dev, dev_priv, sequence);
}
-int radeon_ms_fence_emit_sequence(struct drm_device *dev, uint32_t class,
- uint32_t flags, uint32_t *sequence,
- uint32_t *native_type)
+static void r3xx_fence_poll(struct drm_device *dev, uint32_t fence_class,
+ uint32_t waiting_types)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
- uint32_t fence_id, cmd[2], i, ret;
+ struct drm_fence_manager *fm = &dev->fm;
+ struct drm_fence_class_manager *fc = &fm->fence_class[fence_class];
+ struct r3xx_fence *r3xx_fence = dev_priv->fence;
+
+ if (unlikely(!dev_priv)) {
+ return;
+ }
+ /* if there is a RW flush pending then submit new sequence
+ * preceded by flush cmds */
+ if (fc->pending_flush & DRM_RADEON_FENCE_TYPE_RW) {
+ r3xx_fence_flush(dev, 0);
+ fc->pending_flush &= ~DRM_RADEON_FENCE_TYPE_RW;
+ }
+ r3xx_fence_report(dev, dev_priv, r3xx_fence);
+ return;
+}
+
+static int r3xx_fence_emit(struct drm_device *dev, uint32_t class,
+ uint32_t flags, uint32_t *sequence,
+ uint32_t *native_type)
+{
+ struct drm_radeon_private *dev_priv = dev->dev_private;
+ struct r3xx_fence *r3xx_fence = dev_priv->fence;
+ uint32_t tmp;
if (!dev_priv || dev_priv->cp_ready != 1) {
return -EINVAL;
}
- fence_id = (++dev_priv->fence_id_last);
- if (dev_priv->fence_id_last > 0x7FFFFFFF) {
- fence_id = dev_priv->fence_id_last = 1;
- }
- *sequence = fence_id;
+ *sequence = tmp = r3xx_fence_sequence(r3xx_fence);
*native_type = DRM_FENCE_TYPE_EXE;
if (flags & DRM_RADEON_FENCE_FLAG_FLUSHED) {
*native_type |= DRM_RADEON_FENCE_TYPE_RW;
- dev_priv->flush_cache(dev);
+ tmp |= R3XX_FENCE_SEQUENCE_RW_FLUSH;
}
- cmd[0] = CP_PACKET0(dev_priv->fence_reg, 0);
- cmd[1] = fence_id;
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- ret = radeon_ms_ring_emit(dev, cmd, 2);
- if (!ret) {
- dev_priv->irq_emit(dev);
+ return r3xx_fence_emit_sequence(dev, dev_priv, tmp);
+}
+
+static int r3xx_fence_has_irq(struct drm_device *dev,
+ uint32_t class, uint32_t type)
+{
+ const uint32_t type_irq_mask = DRM_FENCE_TYPE_EXE |
+ DRM_RADEON_FENCE_TYPE_RW;
+ /*
+ * We have an irq for EXE & RW fence.
+ */
+ if (class == 0 && (type & type_irq_mask)) {
+ return 1;
+ }
+ return 0;
+}
+
+static uint32_t r3xx_fence_needed_flush(struct drm_fence_object *fence)
+{
+ struct drm_device *dev = fence->dev;
+ struct drm_radeon_private *dev_priv = dev->dev_private;
+ struct r3xx_fence *r3xx_fence = dev_priv->fence;
+ struct drm_fence_driver *driver = dev->driver->fence_driver;
+ uint32_t flush_types, diff;
+
+ flush_types = fence->waiting_types &
+ ~(DRM_FENCE_TYPE_EXE | fence->signaled_types);
+
+ if (flush_types == 0 || ((flush_types & ~fence->native_types) == 0)) {
+ return 0;
+ }
+ if (unlikely(dev_priv == NULL)) {
+ return 0;
+ }
+ if (r3xx_fence->sequence_last_flush) {
+ diff = (r3xx_fence->sequence_last_flush - fence->sequence) &
+ driver->sequence_mask;
+ if (diff < driver->wrap_diff) {
return 0;
}
}
- return -EBUSY;
+ return flush_types;
}
-void radeon_ms_fence_handler(struct drm_device * dev)
+static int r3xx_fence_wait(struct drm_fence_object *fence,
+ int lazy, int interruptible, uint32_t mask)
{
- struct drm_radeon_private *dev_priv = dev->dev_private;
+ struct drm_device *dev = fence->dev;
struct drm_fence_manager *fm = &dev->fm;
+ struct drm_fence_class_manager *fc = &fm->fence_class[0];
+ int r;
- if (dev_priv == NULL) {
- return;
+ drm_fence_object_flush(fence, mask);
+ if (likely(interruptible)) {
+ r = wait_event_interruptible_timeout(
+ fc->fence_queue,
+ drm_fence_object_signaled(fence, DRM_FENCE_TYPE_EXE),
+ 3 * DRM_HZ);
+ } else {
+ r = wait_event_timeout(
+ fc->fence_queue,
+ drm_fence_object_signaled(fence, DRM_FENCE_TYPE_EXE),
+ 3 * DRM_HZ);
+ }
+ if (unlikely(r == -ERESTARTSYS)) {
+ return -EAGAIN;
+ }
+ if (unlikely(r == 0)) {
+ return -EBUSY;
}
- write_lock(&fm->lock);
- radeon_ms_fence_flush(dev);
- write_unlock(&fm->lock);
-}
+ if (likely(mask == DRM_FENCE_TYPE_EXE ||
+ drm_fence_object_signaled(fence, mask))) {
+ return 0;
+ }
-int radeon_ms_fence_has_irq(struct drm_device *dev, uint32_t class,
- uint32_t flags)
-{
/*
- * We have an irq that tells us when we have a new breadcrumb.
+ * Poll for sync flush completion.
*/
- if (class == 0 && flags == DRM_FENCE_TYPE_EXE)
- return 1;
-
- return 0;
+ return drm_fence_wait_polling(fence, lazy, interruptible,
+ mask, 3 * DRM_HZ);
}
-int radeon_ms_fence_types(struct drm_buffer_object *bo,
- uint32_t *class, uint32_t *type)
+struct drm_fence_driver r3xx_fence_driver = {
+ .num_classes = 1,
+ .wrap_diff = (1 << 29),
+ .flush_diff = (1 << 28),
+ .sequence_mask = 0x7fffffffU,
+ .has_irq = r3xx_fence_has_irq,
+ .emit = r3xx_fence_emit,
+ .flush = r3xx_fence_flush,
+ .poll = r3xx_fence_poll,
+ .needed_flush = r3xx_fence_needed_flush,
+ .wait = r3xx_fence_wait,
+};
+
+/* this are used by the buffer object code */
+int r3xx_fence_types(struct drm_buffer_object *bo,
+ uint32_t *class, uint32_t *type)
{
*class = 0;
- if (bo->mem.flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
- *type = 3;
- else
- *type = 1;
+ if (bo->mem.flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE)) {
+ *type = DRM_FENCE_TYPE_EXE | DRM_RADEON_FENCE_TYPE_RW;
+ } else {
+ *type = DRM_FENCE_TYPE_EXE;
+ }
return 0;
}
-void radeon_ms_poke_flush(struct drm_device *dev, uint32_t class)
+/* this are used by the irq code */
+void r3xx_fence_handler(struct drm_device * dev)
{
+ struct drm_radeon_private *dev_priv = dev->dev_private;
struct drm_fence_manager *fm = &dev->fm;
- unsigned long flags;
+ struct drm_fence_class_manager *fc = &fm->fence_class[0];
- if (class != 0)
+ if (unlikely(dev_priv == NULL)) {
return;
- write_lock_irqsave(&fm->lock, flags);
- radeon_ms_fence_flush(dev);
- write_unlock_irqrestore(&fm->lock, flags);
+ }
+
+ write_lock(&fm->lock);
+ r3xx_fence_poll(dev, 0, fc->waiting_types);
+ write_unlock(&fm->lock);
}
diff --git a/shared-core/radeon_ms_irq.c b/shared-core/radeon_ms_irq.c
index 2f94118f..5c68c902 100644
--- a/shared-core/radeon_ms_irq.c
+++ b/shared-core/radeon_ms_irq.c
@@ -92,9 +92,9 @@ irqreturn_t radeon_ms_irq_handler(DRM_IRQ_ARGS)
/* SW interrupt */
if (GEN_INT_STATUS__SW_INT & status) {
- radeon_ms_fence_handler(dev);
+ r3xx_fence_handler(dev);
}
- radeon_ms_fence_handler(dev);
+ r3xx_fence_handler(dev);
return IRQ_HANDLED;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 23:47:28 +0000