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path: root/drivers/gpu/drm/i915/i915_dma.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c162
1 files changed, 111 insertions, 51 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 15a74f979b4b..96177eec0a0e 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -82,7 +82,7 @@ intel_read_legacy_status_page(struct drm_i915_private *dev_priv, int reg)
void i915_update_dri1_breadcrumb(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv;
/*
@@ -103,7 +103,7 @@ void i915_update_dri1_breadcrumb(struct drm_device *dev)
static void i915_write_hws_pga(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
u32 addr;
addr = dev_priv->status_page_dmah->busaddr;
@@ -118,7 +118,7 @@ static void i915_write_hws_pga(struct drm_device *dev)
*/
static void i915_free_hws(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring = LP_RING(dev_priv);
if (dev_priv->status_page_dmah) {
@@ -137,7 +137,7 @@ static void i915_free_hws(struct drm_device *dev)
void i915_kernel_lost_context(struct drm_device * dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv;
struct intel_ring_buffer *ring = LP_RING(dev_priv);
@@ -164,7 +164,7 @@ void i915_kernel_lost_context(struct drm_device * dev)
static int i915_dma_cleanup(struct drm_device * dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
int i;
/* Make sure interrupts are disabled here because the uninstall ioctl
@@ -188,7 +188,7 @@ static int i915_dma_cleanup(struct drm_device * dev)
static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
int ret;
@@ -233,7 +233,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
static int i915_dma_resume(struct drm_device * dev)
{
- drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring = LP_RING(dev_priv);
DRM_DEBUG_DRIVER("%s\n", __func__);
@@ -357,7 +357,7 @@ static int validate_cmd(int cmd)
static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
int i, ret;
if ((dwords+1) * sizeof(int) >= LP_RING(dev_priv)->size - 8)
@@ -431,7 +431,7 @@ i915_emit_box(struct drm_device *dev,
static void i915_emit_breadcrumb(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
dev_priv->dri1.counter++;
@@ -547,7 +547,7 @@ static int i915_dispatch_batchbuffer(struct drm_device * dev,
static int i915_dispatch_flip(struct drm_device * dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv =
dev->primary->master->driver_priv;
int ret;
@@ -625,10 +625,9 @@ static int i915_flush_ioctl(struct drm_device *dev, void *data,
static int i915_batchbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- 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;
- drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
- master_priv->sarea_priv;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_master_private *master_priv;
+ drm_i915_sarea_t *sarea_priv;
drm_i915_batchbuffer_t *batch = data;
int ret;
struct drm_clip_rect *cliprects = NULL;
@@ -636,6 +635,9 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
if (drm_core_check_feature(dev, DRIVER_MODESET))
return -ENODEV;
+ master_priv = dev->primary->master->driver_priv;
+ sarea_priv = (drm_i915_sarea_t *) master_priv->sarea_priv;
+
if (!dev_priv->dri1.allow_batchbuffer) {
DRM_ERROR("Batchbuffer ioctl disabled\n");
return -EINVAL;
@@ -681,10 +683,9 @@ fail_free:
static 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;
- struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
- drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
- master_priv->sarea_priv;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_master_private *master_priv;
+ drm_i915_sarea_t *sarea_priv;
drm_i915_cmdbuffer_t *cmdbuf = data;
struct drm_clip_rect *cliprects = NULL;
void *batch_data;
@@ -696,6 +697,9 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
if (drm_core_check_feature(dev, DRIVER_MODESET))
return -ENODEV;
+ master_priv = dev->primary->master->driver_priv;
+ sarea_priv = (drm_i915_sarea_t *) master_priv->sarea_priv;
+
RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
if (cmdbuf->num_cliprects < 0)
@@ -749,7 +753,7 @@ fail_batch_free:
static 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;
struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
i915_kernel_lost_context(dev);
@@ -775,7 +779,7 @@ static int i915_emit_irq(struct drm_device * dev)
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 = dev->dev_private;
struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
int ret = 0;
struct intel_ring_buffer *ring = LP_RING(dev_priv);
@@ -812,7 +816,7 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
static int i915_irq_emit(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
drm_i915_irq_emit_t *emit = data;
int result;
@@ -843,7 +847,7 @@ static int i915_irq_emit(struct drm_device *dev, void *data,
static int i915_irq_wait(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
drm_i915_irq_wait_t *irqwait = data;
if (drm_core_check_feature(dev, DRIVER_MODESET))
@@ -860,7 +864,7 @@ static int i915_irq_wait(struct drm_device *dev, void *data,
static 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;
+ struct drm_i915_private *dev_priv = dev->dev_private;
drm_i915_vblank_pipe_t *pipe = data;
if (drm_core_check_feature(dev, DRIVER_MODESET))
@@ -921,7 +925,7 @@ static int i915_flip_bufs(struct drm_device *dev, void *data,
static int i915_getparam(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
drm_i915_getparam_t *param = data;
int value;
@@ -990,7 +994,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
value = HAS_WT(dev);
break;
case I915_PARAM_HAS_ALIASING_PPGTT:
- value = dev_priv->mm.aliasing_ppgtt ? 1 : 0;
+ value = dev_priv->mm.aliasing_ppgtt || USES_FULL_PPGTT(dev);
break;
case I915_PARAM_HAS_WAIT_TIMEOUT:
value = 1;
@@ -1029,7 +1033,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
static int i915_setparam(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
drm_i915_setparam_t *param = data;
if (!dev_priv) {
@@ -1064,7 +1068,7 @@ static int i915_setparam(struct drm_device *dev, void *data,
static int i915_set_status_page(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
drm_i915_hws_addr_t *hws = data;
struct intel_ring_buffer *ring;
@@ -1132,7 +1136,7 @@ static int i915_get_bridge_dev(struct drm_device *dev)
static int
intel_alloc_mchbar_resource(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *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;
@@ -1178,11 +1182,14 @@ intel_alloc_mchbar_resource(struct drm_device *dev)
static void
intel_setup_mchbar(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
u32 temp;
bool enabled;
+ if (IS_VALLEYVIEW(dev))
+ return;
+
dev_priv->mchbar_need_disable = false;
if (IS_I915G(dev) || IS_I915GM(dev)) {
@@ -1215,7 +1222,7 @@ intel_setup_mchbar(struct drm_device *dev)
static void
intel_teardown_mchbar(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
u32 temp;
@@ -1317,12 +1324,12 @@ static int i915_load_modeset_init(struct drm_device *dev)
if (ret)
goto cleanup_vga_switcheroo;
+ intel_power_domains_init_hw(dev_priv);
+
ret = drm_irq_install(dev);
if (ret)
goto cleanup_gem_stolen;
- intel_power_domains_init_hw(dev);
-
/* Important: The output setup functions called by modeset_init need
* working irqs for e.g. gmbus and dp aux transfers. */
intel_modeset_init(dev);
@@ -1339,7 +1346,7 @@ static int i915_load_modeset_init(struct drm_device *dev)
/* FIXME: do pre/post-mode set stuff in core KMS code */
dev->vblank_disable_allowed = true;
if (INTEL_INFO(dev)->num_pipes == 0) {
- intel_display_power_put(dev, POWER_DOMAIN_VGA);
+ intel_display_power_put(dev_priv, POWER_DOMAIN_VGA);
return 0;
}
@@ -1374,10 +1381,10 @@ cleanup_gem:
i915_gem_cleanup_ringbuffer(dev);
i915_gem_context_fini(dev);
mutex_unlock(&dev->struct_mutex);
- i915_gem_cleanup_aliasing_ppgtt(dev);
+ WARN_ON(dev_priv->mm.aliasing_ppgtt);
drm_mm_takedown(&dev_priv->gtt.base.mm);
cleanup_power:
- intel_display_power_put(dev, POWER_DOMAIN_VGA);
+ intel_display_power_put(dev_priv, POWER_DOMAIN_VGA);
drm_irq_uninstall(dev);
cleanup_gem_stolen:
i915_gem_cleanup_stolen(dev);
@@ -1442,7 +1449,7 @@ static void i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv)
static void i915_dump_device_info(struct drm_i915_private *dev_priv)
{
- const struct intel_device_info *info = dev_priv->info;
+ const struct intel_device_info *info = &dev_priv->info;
#define PRINT_S(name) "%s"
#define SEP_EMPTY
@@ -1459,6 +1466,62 @@ static void i915_dump_device_info(struct drm_i915_private *dev_priv)
#undef SEP_COMMA
}
+/*
+ * Determine various intel_device_info fields at runtime.
+ *
+ * Use it when either:
+ * - it's judged too laborious to fill n static structures with the limit
+ * when a simple if statement does the job,
+ * - run-time checks (eg read fuse/strap registers) are needed.
+ *
+ * This function needs to be called:
+ * - after the MMIO has been setup as we are reading registers,
+ * - after the PCH has been detected,
+ * - before the first usage of the fields it can tweak.
+ */
+static void intel_device_info_runtime_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_device_info *info;
+ enum pipe pipe;
+
+ info = (struct intel_device_info *)&dev_priv->info;
+
+ if (IS_VALLEYVIEW(dev))
+ for_each_pipe(pipe)
+ info->num_sprites[pipe] = 2;
+ else
+ for_each_pipe(pipe)
+ info->num_sprites[pipe] = 1;
+
+ if (i915.disable_display) {
+ DRM_INFO("Display disabled (module parameter)\n");
+ info->num_pipes = 0;
+ } else if (info->num_pipes > 0 &&
+ (INTEL_INFO(dev)->gen == 7 || INTEL_INFO(dev)->gen == 8) &&
+ !IS_VALLEYVIEW(dev)) {
+ u32 fuse_strap = I915_READ(FUSE_STRAP);
+ u32 sfuse_strap = I915_READ(SFUSE_STRAP);
+
+ /*
+ * SFUSE_STRAP is supposed to have a bit signalling the display
+ * is fused off. Unfortunately it seems that, at least in
+ * certain cases, fused off display means that PCH display
+ * reads don't land anywhere. In that case, we read 0s.
+ *
+ * On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK
+ * should be set when taking over after the firmware.
+ */
+ if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE ||
+ sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED ||
+ (dev_priv->pch_type == PCH_CPT &&
+ !(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
+ DRM_INFO("Display fused off, disabling\n");
+ info->num_pipes = 0;
+ }
+ }
+}
+
/**
* i915_driver_load - setup chip and create an initial config
* @dev: DRM device
@@ -1473,7 +1536,7 @@ static void i915_dump_device_info(struct drm_i915_private *dev_priv)
int i915_driver_load(struct drm_device *dev, unsigned long flags)
{
struct drm_i915_private *dev_priv;
- struct intel_device_info *info;
+ struct intel_device_info *info, *device_info;
int ret = 0, mmio_bar, mmio_size;
uint32_t aperture_size;
@@ -1496,7 +1559,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
dev->dev_private = (void *)dev_priv;
dev_priv->dev = dev;
- dev_priv->info = info;
+
+ /* copy initial configuration to dev_priv->info */
+ device_info = (struct intel_device_info *)&dev_priv->info;
+ *device_info = *info;
spin_lock_init(&dev_priv->irq_lock);
spin_lock_init(&dev_priv->gpu_error.lock);
@@ -1545,8 +1611,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
goto put_bridge;
}
- intel_uncore_early_sanitize(dev);
-
/* This must be called before any calls to HAS_PCH_* */
intel_detect_pch(dev);
@@ -1635,9 +1699,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
if (!IS_I945G(dev) && !IS_I945GM(dev))
pci_enable_msi(dev->pdev);
- dev_priv->num_plane = 1;
- if (IS_VALLEYVIEW(dev))
- dev_priv->num_plane = 2;
+ intel_device_info_runtime_init(dev);
if (INTEL_INFO(dev)->num_pipes) {
ret = drm_vblank_init(dev, INTEL_INFO(dev)->num_pipes);
@@ -1645,7 +1707,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
goto out_gem_unload;
}
- intel_power_domains_init(dev);
+ intel_power_domains_init(dev_priv);
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = i915_load_modeset_init(dev);
@@ -1674,7 +1736,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
return 0;
out_power_well:
- intel_power_domains_remove(dev);
+ intel_power_domains_remove(dev_priv);
drm_vblank_cleanup(dev);
out_gem_unload:
if (dev_priv->mm.inactive_shrinker.scan_objects)
@@ -1724,8 +1786,8 @@ int i915_driver_unload(struct drm_device *dev)
/* The i915.ko module is still not prepared to be loaded when
* the power well is not enabled, so just enable it in case
* we're going to unload/reload. */
- intel_display_set_init_power(dev, true);
- intel_power_domains_remove(dev);
+ intel_display_set_init_power(dev_priv, true);
+ intel_power_domains_remove(dev_priv);
i915_teardown_sysfs(dev);
@@ -1761,8 +1823,6 @@ int i915_driver_unload(struct drm_device *dev)
cancel_work_sync(&dev_priv->gpu_error.work);
i915_destroy_error_state(dev);
- cancel_delayed_work_sync(&dev_priv->pc8.enable_work);
-
if (dev->pdev->msi_enabled)
pci_disable_msi(dev->pdev);
@@ -1776,8 +1836,8 @@ int i915_driver_unload(struct drm_device *dev)
i915_gem_free_all_phys_object(dev);
i915_gem_cleanup_ringbuffer(dev);
i915_gem_context_fini(dev);
+ WARN_ON(dev_priv->mm.aliasing_ppgtt);
mutex_unlock(&dev->struct_mutex);
- i915_gem_cleanup_aliasing_ppgtt(dev);
i915_gem_cleanup_stolen(dev);
if (!I915_NEED_GFX_HWS(dev))
@@ -1835,7 +1895,7 @@ int i915_driver_open(struct drm_device *dev, struct drm_file *file)
*/
void i915_driver_lastclose(struct drm_device * dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
/* On gen6+ we refuse to init without kms enabled, but then the drm core
* goes right around and calls lastclose. Check for this and don't clean
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.