Author: dumbbell
Date: Tue Oct 27 20:34:30 2015
New Revision: 290055
URL: https://svnweb.freebsd.org/changeset/base/290055
Log:
drm/i915: Reduce diff with Linux 3.8
There is no functional change. The goal is to ease the future update to
Linux 3.8's i915 driver.
MFC after: 2 months
Modified:
head/sys/dev/drm2/i915/i915_dma.c
Modified: head/sys/dev/drm2/i915/i915_dma.c
==============================================================================
--- head/sys/dev/drm2/i915/i915_dma.c Tue Oct 27 18:32:03 2015
(r290054)
+++ head/sys/dev/drm2/i915/i915_dma.c Tue Oct 27 20:34:30 2015
(r290055)
@@ -254,7 +254,7 @@ static int i915_dma_resume(struct drm_de
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
struct intel_ring_buffer *ring = LP_RING(dev_priv);
- DRM_DEBUG("\n");
+ DRM_DEBUG_DRIVER("%s\n", __func__);
if (ring->virtual_start == NULL) {
DRM_ERROR("can not ioremap virtual address for"
@@ -267,13 +267,14 @@ static int i915_dma_resume(struct drm_de
DRM_ERROR("Can not find hardware status page\n");
return -EINVAL;
}
- DRM_DEBUG("hw status page @ %p\n", ring->status_page.page_addr);
+ DRM_DEBUG_DRIVER("hw status page @ %p\n",
+ ring->status_page.page_addr);
if (ring->status_page.gfx_addr != 0)
intel_ring_setup_status_page(ring);
else
i915_write_hws_pga(dev);
- DRM_DEBUG("Enabled hardware status page\n");
+ DRM_DEBUG_DRIVER("Enabled hardware status page\n");
return 0;
}
@@ -562,7 +563,6 @@ static int i915_dispatch_batchbuffer(str
}
i915_emit_breadcrumb(dev);
-
return 0;
}
@@ -576,10 +576,10 @@ static int i915_dispatch_flip(struct drm
if (!master_priv->sarea_priv)
return -EINVAL;
- DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n",
- __func__,
- dev_priv->current_page,
- master_priv->sarea_priv->pf_current_page);
+ DRM_DEBUG_DRIVER("%s: page=%d pfCurrentPage=%d\n",
+ __func__,
+ dev_priv->current_page,
+ master_priv->sarea_priv->pf_current_page);
i915_kernel_lost_context(dev);
@@ -622,10 +622,8 @@ static int i915_dispatch_flip(struct drm
static int i915_quiescent(struct drm_device *dev)
{
- struct intel_ring_buffer *ring = LP_RING(dev->dev_private);
-
i915_kernel_lost_context(dev);
- return (intel_wait_ring_idle(ring));
+ return intel_wait_ring_idle(LP_RING(dev->dev_private));
}
static int i915_flush_ioctl(struct drm_device *dev, void *data,
@@ -642,7 +640,7 @@ static int i915_flush_ioctl(struct drm_d
ret = i915_quiescent(dev);
DRM_UNLOCK(dev);
- return (ret);
+ return ret;
}
int i915_batchbuffer(struct drm_device *dev, void *data,
@@ -653,28 +651,29 @@ int i915_batchbuffer(struct drm_device *
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
master_priv->sarea_priv;
drm_i915_batchbuffer_t *batch = data;
- struct drm_clip_rect *cliprects;
size_t cliplen;
int ret;
+ struct drm_clip_rect *cliprects = NULL;
if (!dev_priv->dri1.allow_batchbuffer) {
DRM_ERROR("Batchbuffer ioctl disabled\n");
return -EINVAL;
}
- DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n",
- batch->start, batch->used, batch->num_cliprects);
+ DRM_DEBUG_DRIVER("i915 batchbuffer, start %x used %d cliprects %d\n",
+ batch->start, batch->used, batch->num_cliprects);
cliplen = batch->num_cliprects * sizeof(struct drm_clip_rect);
if (batch->num_cliprects < 0)
return -EFAULT;
if (batch->num_cliprects != 0) {
cliprects = malloc(batch->num_cliprects *
- sizeof(struct drm_clip_rect), DRM_MEM_DMA,
- M_WAITOK | M_ZERO);
+ sizeof(struct drm_clip_rect),
+ DRM_MEM_DMA, M_WAITOK | M_ZERO);
ret = -copyin(batch->cliprects, cliprects,
- batch->num_cliprects * sizeof(struct drm_clip_rect));
+ batch->num_cliprects *
+ sizeof(struct drm_clip_rect));
if (ret != 0)
goto fail_free;
} else
@@ -690,6 +689,7 @@ int i915_batchbuffer(struct drm_device *
fail_free:
free(cliprects, DRM_MEM_DMA);
+
return ret;
}
@@ -705,12 +705,12 @@ int i915_cmdbuffer(struct drm_device *de
void *batch_data;
int ret;
+ DRM_DEBUG_DRIVER("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
+ cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects);
+
if (drm_core_check_feature(dev, DRIVER_MODESET))
return -ENODEV;
- DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
- cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects);
-
if (cmdbuf->num_cliprects < 0)
return -EINVAL;
@@ -722,8 +722,7 @@ int i915_cmdbuffer(struct drm_device *de
if (cmdbuf->num_cliprects) {
cliprects = malloc(cmdbuf->num_cliprects *
- sizeof(struct drm_clip_rect), DRM_MEM_DMA,
- M_WAITOK | M_ZERO);
+ sizeof(struct drm_clip_rect), DRM_MEM_DMA,
M_WAITOK | M_ZERO);
ret = -copyin(cmdbuf->cliprects, cliprects,
cmdbuf->num_cliprects * sizeof(struct drm_clip_rect));
if (ret != 0)
@@ -746,6 +745,7 @@ fail_clip_free:
free(cliprects, DRM_MEM_DMA);
fail_batch_free:
free(batch_data, DRM_MEM_DMA);
+
return ret;
}
@@ -756,7 +756,7 @@ static int i915_emit_irq(struct drm_devi
i915_kernel_lost_context(dev);
- DRM_DEBUG("i915: emit_irq\n");
+ DRM_DEBUG_DRIVER("\n");
dev_priv->counter++;
if (dev_priv->counter > 0x7FFFFFFFUL)
@@ -779,10 +779,10 @@ static int i915_wait_irq(struct drm_devi
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
struct drm_i915_master_private *master_priv =
dev->primary->master->driver_priv;
- int ret;
+ int ret = 0;
struct intel_ring_buffer *ring = LP_RING(dev_priv);
- DRM_DEBUG("irq_nr=%d breadcrumb=%d\n", irq_nr,
+ DRM_DEBUG_DRIVER("irq_nr=%d breadcrumb=%d\n", irq_nr,
READ_BREADCRUMB(dev_priv));
if (READ_BREADCRUMB(dev_priv) >= irq_nr) {
@@ -920,7 +920,7 @@ static int i915_flip_bufs(struct drm_dev
if (drm_core_check_feature(dev, DRIVER_MODESET))
return -ENODEV;
- DRM_DEBUG("%s\n", __func__);
+ DRM_DEBUG_DRIVER("%s\n", __func__);
RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -1039,7 +1039,8 @@ static int i915_setparam(struct drm_devi
dev_priv->fence_reg_start = param->value;
break;
default:
- DRM_DEBUG("unknown parameter %d\n", param->param);
+ DRM_DEBUG_DRIVER("unknown parameter %d\n",
+ param->param);
return -EINVAL;
}
@@ -1051,7 +1052,7 @@ static int i915_set_status_page(struct d
{
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_hws_addr_t *hws = data;
- struct intel_ring_buffer *ring = LP_RING(dev_priv);
+ struct intel_ring_buffer *ring;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return -ENODEV;
@@ -1064,18 +1065,20 @@ static int i915_set_status_page(struct d
return -EINVAL;
}
- DRM_DEBUG("set status page addr 0x%08x\n", (u32)hws->addr);
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
DRM_ERROR("tried to set status page when mode setting
active\n");
return 0;
}
+ DRM_DEBUG_DRIVER("set status page addr 0x%08x\n", (u32)hws->addr);
+
+ ring = LP_RING(dev_priv);
ring->status_page.gfx_addr = dev_priv->status_gfx_addr =
hws->addr & (0x1ffff<<12);
- dev_priv->dri1.gfx_hws_cpu_addr = pmap_mapdev_attr(
- dev->agp->base + hws->addr, PAGE_SIZE,
- VM_MEMATTR_WRITE_COMBINING);
+ dev_priv->dri1.gfx_hws_cpu_addr =
+ pmap_mapdev_attr(dev->agp->base + hws->addr, PAGE_SIZE,
+ VM_MEMATTR_WRITE_COMBINING);
if (dev_priv->dri1.gfx_hws_cpu_addr == NULL) {
i915_dma_cleanup(dev);
ring->status_page.gfx_addr = dev_priv->status_gfx_addr = 0;
@@ -1086,107 +1089,24 @@ static int i915_set_status_page(struct d
memset(dev_priv->dri1.gfx_hws_cpu_addr, 0, PAGE_SIZE);
I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
- 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;
-}
-
-static int
-i915_load_modeset_init(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int ret;
- ret = intel_parse_bios(dev);
- if (ret)
- DRM_INFO("failed to find VBIOS tables\n");
-
-#if 0
- intel_register_dsm_handler();
-#endif
-
- /* Initialise stolen first so that we may reserve preallocated
- * objects for the BIOS to KMS transition.
- */
- ret = i915_gem_init_stolen(dev);
- if (ret)
- goto cleanup_vga_switcheroo;
-
- intel_modeset_init(dev);
-
- ret = i915_gem_init(dev);
- if (ret)
- goto cleanup_gem_stolen;
-
- intel_modeset_gem_init(dev);
-
- ret = drm_irq_install(dev);
- if (ret)
- goto cleanup_gem;
-
- dev->vblank_disable_allowed = 1;
-
- ret = intel_fbdev_init(dev);
- if (ret)
- goto cleanup_gem;
-
- drm_kms_helper_poll_init(dev);
-
- /* We're off and running w/KMS */
- dev_priv->mm.suspended = 0;
-
- return 0;
-
-cleanup_gem:
- DRM_LOCK(dev);
- i915_gem_cleanup_ringbuffer(dev);
- DRM_UNLOCK(dev);
- i915_gem_cleanup_aliasing_ppgtt(dev);
-cleanup_gem_stolen:
- i915_gem_cleanup_stolen(dev);
-cleanup_vga_switcheroo:
- return (ret);
-}
-
-int i915_master_create(struct drm_device *dev, struct drm_master *master)
-{
- struct drm_i915_master_private *master_priv;
-
- master_priv = malloc(sizeof(*master_priv), DRM_MEM_DMA,
- M_NOWAIT | M_ZERO);
- if (!master_priv)
- return -ENOMEM;
-
- master->driver_priv = master_priv;
+ DRM_DEBUG_DRIVER("load hws HWS_PGA with gfx mem 0x%x\n",
+ dev_priv->status_gfx_addr);
+ DRM_DEBUG_DRIVER("load hws at %p\n",
+ dev_priv->hw_status_page);
return 0;
}
-void i915_master_destroy(struct drm_device *dev, struct drm_master *master)
-{
- struct drm_i915_master_private *master_priv = master->driver_priv;
-
- if (!master_priv)
- return;
-
- free(master_priv, DRM_MEM_DMA);
-
- master->driver_priv = NULL;
-}
-
-static int
-i915_get_bridge_dev(struct drm_device *dev)
+static int i915_get_bridge_dev(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv;
-
- dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
dev_priv->bridge_dev = intel_gtt_get_bridge_device();
- if (dev_priv->bridge_dev == NULL) {
+ if (!dev_priv->bridge_dev) {
DRM_ERROR("bridge device not found\n");
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
}
#define MCHBAR_I915 0x44
@@ -1200,19 +1120,13 @@ i915_get_bridge_dev(struct drm_device *d
static int
intel_alloc_mchbar_resource(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv;
- device_t vga;
- int reg;
- u32 temp_lo, temp_hi;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
+ u32 temp_lo, temp_hi = 0;
u64 mchbar_addr, temp;
- dev_priv = dev->dev_private;
- reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
-
if (INTEL_INFO(dev)->gen >= 4)
temp_hi = pci_read_config(dev_priv->bridge_dev, reg + 4, 4);
- else
- temp_hi = 0;
temp_lo = pci_read_config(dev_priv->bridge_dev, reg, 4);
mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
@@ -1224,14 +1138,15 @@ intel_alloc_mchbar_resource(struct drm_d
#endif
/* Get some space for it */
+ device_t vga;
vga = device_get_parent(dev->dev);
dev_priv->mch_res_rid = 0x100;
dev_priv->mch_res = BUS_ALLOC_RESOURCE(device_get_parent(vga),
dev->dev, SYS_RES_MEMORY, &dev_priv->mch_res_rid, 0, ~0UL,
MCHBAR_SIZE, RF_ACTIVE | RF_SHAREABLE);
if (dev_priv->mch_res == NULL) {
- DRM_ERROR("failed mchbar resource alloc\n");
- return (-ENOMEM);
+ DRM_DEBUG_DRIVER("failed bus alloc\n");
+ return -ENOMEM;
}
if (INTEL_INFO(dev)->gen >= 4) {
@@ -1241,20 +1156,17 @@ intel_alloc_mchbar_resource(struct drm_d
}
pci_write_config(dev_priv->bridge_dev, reg,
rman_get_start(dev_priv->mch_res) & UINT32_MAX, 4);
- return (0);
+ return 0;
}
static void
intel_setup_mchbar(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv;
- int mchbar_reg;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
u32 temp;
bool enabled;
- dev_priv = dev->dev_private;
- mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
-
dev_priv->mchbar_need_disable = false;
if (IS_I915G(dev) || IS_I915GM(dev)) {
@@ -1289,14 +1201,10 @@ intel_setup_mchbar(struct drm_device *de
static void
intel_teardown_mchbar(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv;
- device_t vga;
- int mchbar_reg;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
u32 temp;
- dev_priv = dev->dev_private;
- mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
-
if (dev_priv->mchbar_need_disable) {
if (IS_I915G(dev) || IS_I915GM(dev)) {
temp = pci_read_config(dev_priv->bridge_dev,
@@ -1314,6 +1222,7 @@ intel_teardown_mchbar(struct drm_device
}
if (dev_priv->mch_res != NULL) {
+ device_t vga;
vga = device_get_parent(dev->dev);
BUS_DEACTIVATE_RESOURCE(device_get_parent(vga), dev->dev,
SYS_RES_MEMORY, dev_priv->mch_res_rid, dev_priv->mch_res);
@@ -1323,6 +1232,86 @@ intel_teardown_mchbar(struct drm_device
}
}
+static int i915_load_modeset_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
+ ret = intel_parse_bios(dev);
+ if (ret)
+ DRM_INFO("failed to find VBIOS tables\n");
+
+#if 0
+ intel_register_dsm_handler();
+#endif
+
+ /* Initialise stolen first so that we may reserve preallocated
+ * objects for the BIOS to KMS transition.
+ */
+ ret = i915_gem_init_stolen(dev);
+ if (ret)
+ goto cleanup_vga_switcheroo;
+
+ intel_modeset_init(dev);
+
+ ret = i915_gem_init(dev);
+ if (ret)
+ goto cleanup_gem_stolen;
+
+ intel_modeset_gem_init(dev);
+
+ ret = drm_irq_install(dev);
+ if (ret)
+ goto cleanup_gem;
+
+ dev->vblank_disable_allowed = 1;
+
+ ret = intel_fbdev_init(dev);
+ if (ret)
+ goto cleanup_gem;
+
+ drm_kms_helper_poll_init(dev);
+
+ /* We're off and running w/KMS */
+ dev_priv->mm.suspended = 0;
+
+ return 0;
+
+cleanup_gem:
+ DRM_LOCK(dev);
+ i915_gem_cleanup_ringbuffer(dev);
+ DRM_UNLOCK(dev);
+ i915_gem_cleanup_aliasing_ppgtt(dev);
+cleanup_gem_stolen:
+ i915_gem_cleanup_stolen(dev);
+cleanup_vga_switcheroo:
+ return ret;
+}
+
+int i915_master_create(struct drm_device *dev, struct drm_master *master)
+{
+ struct drm_i915_master_private *master_priv;
+
+ master_priv = malloc(sizeof(*master_priv), DRM_MEM_DMA, M_NOWAIT |
M_ZERO);
+ if (!master_priv)
+ return -ENOMEM;
+
+ master->driver_priv = master_priv;
+ return 0;
+}
+
+void i915_master_destroy(struct drm_device *dev, struct drm_master *master)
+{
+ struct drm_i915_master_private *master_priv = master->driver_priv;
+
+ if (!master_priv)
+ return;
+
+ free(master_priv, DRM_MEM_DMA);
+
+ master->driver_priv = NULL;
+}
+
/**
* i915_driver_load - setup chip and create an initial config
* @dev: DRM device
@@ -1339,7 +1328,7 @@ int i915_driver_load(struct drm_device *
struct drm_i915_private *dev_priv = dev->dev_private;
const struct intel_device_info *info;
unsigned long base, size;
- int mmio_bar, ret;
+ int ret = 0, mmio_bar;
info = i915_get_device_id(dev->pci_device);
@@ -1347,9 +1336,6 @@ int i915_driver_load(struct drm_device *
if (info->gen >= 6 && !drm_core_check_feature(dev, DRIVER_MODESET))
return -ENODEV;
-
- ret = 0;
-
/* i915 has 4 more counters */
dev->counters += 4;
dev->types[6] = _DRM_STAT_IRQ;
@@ -1358,7 +1344,7 @@ int i915_driver_load(struct drm_device *
dev->types[9] = _DRM_STAT_DMA;
dev_priv = malloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER,
- M_ZERO | M_WAITOK);
+ M_WAITOK | M_ZERO);
dev->dev_private = (void *)dev_priv;
dev_priv->dev = dev;
@@ -1366,7 +1352,7 @@ int i915_driver_load(struct drm_device *
if (i915_get_bridge_dev(dev)) {
free(dev_priv, DRM_MEM_DRIVER);
- return (-EIO);
+ return -EIO;
}
dev_priv->mm.gtt = intel_gtt_get();
@@ -1375,12 +1361,13 @@ int i915_driver_load(struct drm_device *
base = drm_get_resource_start(dev, mmio_bar);
size = drm_get_resource_len(dev, mmio_bar);
- ret = drm_addmap(dev, base, size, _DRM_REGISTERS,
- _DRM_KERNEL | _DRM_DRIVER, &dev_priv->mmio_map);
+ ret = drm_addmap(dev,
+ base, size,
+ _DRM_REGISTERS, _DRM_KERNEL | _DRM_DRIVER, &dev_priv->mmio_map);
if (ret != 0) {
DRM_ERROR("Failed to allocate mmio_map: %d\n", ret);
free(dev_priv, DRM_MEM_DRIVER);
- return (ret);
+ return ret;
}
dev_priv->tq = taskqueue_create("915", M_WAITOK,
@@ -1463,7 +1450,7 @@ int i915_driver_load(struct drm_device *
if (IS_GEN5(dev))
intel_gpu_ips_init(dev_priv);
- return (0);
+ return 0;
out_gem_unload:
/* XXXKIB */
@@ -1546,16 +1533,16 @@ int i915_driver_unload(struct drm_device
int i915_driver_open(struct drm_device *dev, struct drm_file *file)
{
- struct drm_i915_file_private *i915_file_priv;
+ struct drm_i915_file_private *file_priv;
- i915_file_priv = malloc(sizeof(*i915_file_priv), DRM_MEM_FILES,
- M_WAITOK | M_ZERO);
+ file_priv = malloc(sizeof(*file_priv), DRM_MEM_FILES, M_WAITOK |
M_ZERO);
+
+ file->driver_priv = file_priv;
- mtx_init(&i915_file_priv->mm.lck, "915fp", NULL, MTX_DEF);
- INIT_LIST_HEAD(&i915_file_priv->mm.request_list);
- file->driver_priv = i915_file_priv;
+ mtx_init(&file_priv->mm.lck, "915fp", NULL, MTX_DEF);
+ INIT_LIST_HEAD(&file_priv->mm.request_list);
- drm_gem_names_init(&i915_file_priv->context_idr);
+ drm_gem_names_init(&file_priv->context_idr);
return 0;
}
@@ -1581,6 +1568,7 @@ void i915_driver_lastclose(struct drm_de
* up anything. */
if (!dev_priv)
return;
+
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
#if 1
KIB_NOTYET();
@@ -1602,12 +1590,12 @@ void i915_driver_preclose(struct drm_dev
i915_gem_release(dev, file_priv);
}
-void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
+void i915_driver_postclose(struct drm_device *dev, struct drm_file *file)
{
- struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
+ struct drm_i915_file_private *file_priv = file->driver_priv;
- mtx_destroy(&i915_file_priv->mm.lck);
- free(i915_file_priv, DRM_MEM_FILES);
+ mtx_destroy(&file_priv->mm.lck);
+ free(file_priv, DRM_MEM_FILES);
}
struct drm_ioctl_desc i915_ioctls[] = {
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