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-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c251
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c125
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c5
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h41
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c158
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c163
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c287
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h147
-rw-r--r--drivers/gpu/drm/i915/i915_suspend.c10
-rw-r--r--drivers/gpu/drm/i915/intel_display.c143
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h2
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c7
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c25
13 files changed, 1057 insertions, 307 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index a894ade0309..5eed4631244 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -350,6 +350,36 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
return 0;
}
+static const char *pin_flag(int pinned)
+{
+ if (pinned > 0)
+ return " P";
+ else if (pinned < 0)
+ return " p";
+ else
+ return "";
+}
+
+static const char *tiling_flag(int tiling)
+{
+ switch (tiling) {
+ default:
+ case I915_TILING_NONE: return "";
+ case I915_TILING_X: return " X";
+ case I915_TILING_Y: return " Y";
+ }
+}
+
+static const char *dirty_flag(int dirty)
+{
+ return dirty ? " dirty" : "";
+}
+
+static const char *purgeable_flag(int purgeable)
+{
+ return purgeable ? " purgeable" : "";
+}
+
static int i915_error_state(struct seq_file *m, void *unused)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
@@ -357,6 +387,7 @@ static int i915_error_state(struct seq_file *m, void *unused)
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_error_state *error;
unsigned long flags;
+ int i, page, offset, elt;
spin_lock_irqsave(&dev_priv->error_lock, flags);
if (!dev_priv->first_error) {
@@ -368,6 +399,7 @@ static int i915_error_state(struct seq_file *m, void *unused)
seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
error->time.tv_usec);
+ seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
seq_printf(m, "EIR: 0x%08x\n", error->eir);
seq_printf(m, " PGTBL_ER: 0x%08x\n", error->pgtbl_er);
seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
@@ -379,6 +411,59 @@ static int i915_error_state(struct seq_file *m, void *unused)
seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
}
+ seq_printf(m, "seqno: 0x%08x\n", error->seqno);
+
+ if (error->active_bo_count) {
+ seq_printf(m, "Buffers [%d]:\n", error->active_bo_count);
+
+ for (i = 0; i < error->active_bo_count; i++) {
+ seq_printf(m, " %08x %8zd %08x %08x %08x%s%s%s%s",
+ error->active_bo[i].gtt_offset,
+ error->active_bo[i].size,
+ error->active_bo[i].read_domains,
+ error->active_bo[i].write_domain,
+ error->active_bo[i].seqno,
+ pin_flag(error->active_bo[i].pinned),
+ tiling_flag(error->active_bo[i].tiling),
+ dirty_flag(error->active_bo[i].dirty),
+ purgeable_flag(error->active_bo[i].purgeable));
+
+ if (error->active_bo[i].name)
+ seq_printf(m, " (name: %d)", error->active_bo[i].name);
+ if (error->active_bo[i].fence_reg != I915_FENCE_REG_NONE)
+ seq_printf(m, " (fence: %d)", error->active_bo[i].fence_reg);
+
+ seq_printf(m, "\n");
+ }
+ }
+
+ for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++) {
+ if (error->batchbuffer[i]) {
+ struct drm_i915_error_object *obj = error->batchbuffer[i];
+
+ seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset);
+ offset = 0;
+ for (page = 0; page < obj->page_count; page++) {
+ for (elt = 0; elt < PAGE_SIZE/4; elt++) {
+ seq_printf(m, "%08x : %08x\n", offset, obj->pages[page][elt]);
+ offset += 4;
+ }
+ }
+ }
+ }
+
+ if (error->ringbuffer) {
+ struct drm_i915_error_object *obj = error->ringbuffer;
+
+ seq_printf(m, "--- ringbuffer = 0x%08x\n", obj->gtt_offset);
+ offset = 0;
+ for (page = 0; page < obj->page_count; page++) {
+ for (elt = 0; elt < PAGE_SIZE/4; elt++) {
+ seq_printf(m, "%08x : %08x\n", offset, obj->pages[page][elt]);
+ offset += 4;
+ }
+ }
+ }
out:
spin_unlock_irqrestore(&dev_priv->error_lock, flags);
@@ -386,6 +471,165 @@ out:
return 0;
}
+static int i915_rstdby_delays(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ u16 crstanddelay = I915_READ16(CRSTANDVID);
+
+ seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));
+
+ return 0;
+}
+
+static int i915_cur_delayinfo(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ u16 rgvswctl = I915_READ16(MEMSWCTL);
+
+ seq_printf(m, "Last command: 0x%01x\n", (rgvswctl >> 13) & 0x3);
+ seq_printf(m, "Command status: %d\n", (rgvswctl >> 12) & 1);
+ seq_printf(m, "P%d DELAY 0x%02x\n", (rgvswctl >> 8) & 0xf,
+ rgvswctl & 0x3f);
+
+ return 0;
+}
+
+static int i915_delayfreq_table(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ u32 delayfreq;
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ delayfreq = I915_READ(PXVFREQ_BASE + i * 4);
+ seq_printf(m, "P%02dVIDFREQ: 0x%08x\n", i, delayfreq);
+ }
+
+ return 0;
+}
+
+static inline int MAP_TO_MV(int map)
+{
+ return 1250 - (map * 25);
+}
+
+static int i915_inttoext_table(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ u32 inttoext;
+ int i;
+
+ for (i = 1; i <= 32; i++) {
+ inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4);
+ seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext);
+ }
+
+ return 0;
+}
+
+static int i915_drpc_info(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ u32 rgvmodectl = I915_READ(MEMMODECTL);
+
+ seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
+ "yes" : "no");
+ seq_printf(m, "Boost freq: %d\n",
+ (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >>
+ MEMMODE_BOOST_FREQ_SHIFT);
+ seq_printf(m, "HW control enabled: %s\n",
+ rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no");
+ seq_printf(m, "SW control enabled: %s\n",
+ rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no");
+ seq_printf(m, "Gated voltage change: %s\n",
+ rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no");
+ seq_printf(m, "Starting frequency: P%d\n",
+ (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT);
+ seq_printf(m, "Max frequency: P%d\n",
+ (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT);
+ seq_printf(m, "Min frequency: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK));
+
+ return 0;
+}
+
+static int i915_fbc_status(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_crtc *crtc;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ bool fbc_enabled = false;
+
+ if (!dev_priv->display.fbc_enabled) {
+ seq_printf(m, "FBC unsupported on this chipset\n");
+ return 0;
+ }
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ if (!crtc->enabled)
+ continue;
+ if (dev_priv->display.fbc_enabled(crtc))
+ fbc_enabled = true;
+ }
+
+ if (fbc_enabled) {
+ seq_printf(m, "FBC enabled\n");
+ } else {
+ seq_printf(m, "FBC disabled: ");
+ switch (dev_priv->no_fbc_reason) {
+ case FBC_STOLEN_TOO_SMALL:
+ seq_printf(m, "not enough stolen memory");
+ break;
+ case FBC_UNSUPPORTED_MODE:
+ seq_printf(m, "mode not supported");
+ break;
+ case FBC_MODE_TOO_LARGE:
+ seq_printf(m, "mode too large");
+ break;
+ case FBC_BAD_PLANE:
+ seq_printf(m, "FBC unsupported on plane");
+ break;
+ case FBC_NOT_TILED:
+ seq_printf(m, "scanout buffer not tiled");
+ break;
+ default:
+ seq_printf(m, "unknown reason");
+ }
+ seq_printf(m, "\n");
+ }
+ return 0;
+}
+
+static int i915_sr_status(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ bool sr_enabled = false;
+
+ if (IS_I965G(dev) || IS_I945G(dev) || IS_I945GM(dev))
+ sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
+ else if (IS_I915GM(dev))
+ sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
+ else if (IS_PINEVIEW(dev))
+ sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
+
+ seq_printf(m, "self-refresh: %s\n", sr_enabled ? "enabled" :
+ "disabled");
+
+ return 0;
+}
+
static int
i915_wedged_open(struct inode *inode,
struct file *filp)
@@ -503,6 +747,13 @@ static struct drm_info_list i915_debugfs_list[] = {
{"i915_ringbuffer_info", i915_ringbuffer_info, 0},
{"i915_batchbuffers", i915_batchbuffer_info, 0},
{"i915_error_state", i915_error_state, 0},
+ {"i915_rstdby_delays", i915_rstdby_delays, 0},
+ {"i915_cur_delayinfo", i915_cur_delayinfo, 0},
+ {"i915_delayfreq_table", i915_delayfreq_table, 0},
+ {"i915_inttoext_table", i915_inttoext_table, 0},
+ {"i915_drpc_info", i915_drpc_info, 0},
+ {"i915_fbc_status", i915_fbc_status, 0},
+ {"i915_sr_status", i915_sr_status, 0},
};
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 2307f98349f..dbfe07c90cb 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -35,6 +35,8 @@
#include "i915_drv.h"
#include "i915_trace.h"
#include <linux/vgaarb.h>
+#include <linux/acpi.h>
+#include <linux/pnp.h>
/* Really want an OS-independent resettable timer. Would like to have
* this loop run for (eg) 3 sec, but have the timer reset every time
@@ -933,6 +935,120 @@ static int i915_get_bridge_dev(struct drm_device *dev)
return 0;
}
+#define MCHBAR_I915 0x44
+#define MCHBAR_I965 0x48
+#define MCHBAR_SIZE (4*4096)
+
+#define DEVEN_REG 0x54
+#define DEVEN_MCHBAR_EN (1 << 28)
+
+/* Allocate space for the MCH regs if needed, return nonzero on error */
+static int
+intel_alloc_mchbar_resource(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+ u32 temp_lo, temp_hi = 0;
+ u64 mchbar_addr;
+ int ret = 0;
+
+ if (IS_I965G(dev))
+ pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi);
+ pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo);
+ mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
+
+ /* If ACPI doesn't have it, assume we need to allocate it ourselves */
+#ifdef CONFIG_PNP
+ if (mchbar_addr &&
+ pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) {
+ ret = 0;
+ goto out;
+ }
+#endif
+
+ /* Get some space for it */
+ ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, &dev_priv->mch_res,
+ MCHBAR_SIZE, MCHBAR_SIZE,
+ PCIBIOS_MIN_MEM,
+ 0, pcibios_align_resource,
+ dev_priv->bridge_dev);
+ if (ret) {
+ DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret);
+ dev_priv->mch_res.start = 0;
+ goto out;
+ }
+
+ if (IS_I965G(dev))
+ pci_write_config_dword(dev_priv->bridge_dev, reg + 4,
+ upper_32_bits(dev_priv->mch_res.start));
+
+ pci_write_config_dword(dev_priv->bridge_dev, reg,
+ lower_32_bits(dev_priv->mch_res.start));
+out:
+ return ret;
+}
+
+/* Setup MCHBAR if possible, return true if we should disable it again */
+static void
+intel_setup_mchbar(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+ u32 temp;
+ bool enabled;
+
+ dev_priv->mchbar_need_disable = false;
+
+ if (IS_I915G(dev) || IS_I915GM(dev)) {
+ pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp);
+ enabled = !!(temp & DEVEN_MCHBAR_EN);
+ } else {
+ pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
+ enabled = temp & 1;
+ }
+
+ /* If it's already enabled, don't have to do anything */
+ if (enabled)
+ return;
+
+ if (intel_alloc_mchbar_resource(dev))
+ return;
+
+ dev_priv->mchbar_need_disable = true;
+
+ /* Space is allocated or reserved, so enable it. */
+ if (IS_I915G(dev) || IS_I915GM(dev)) {
+ pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG,
+ temp | DEVEN_MCHBAR_EN);
+ } else {
+ pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
+ pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1);
+ }
+}
+
+static void
+intel_teardown_mchbar(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+ u32 temp;
+
+ if (dev_priv->mchbar_need_disable) {
+ if (IS_I915G(dev) || IS_I915GM(dev)) {
+ pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp);
+ temp &= ~DEVEN_MCHBAR_EN;
+ pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, temp);
+ } else {
+ pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
+ temp &= ~1;
+ pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp);
+ }
+ }
+
+ if (dev_priv->mch_res.start)
+ release_resource(&dev_priv->mch_res);
+}
+
/**
* i915_probe_agp - get AGP bootup configuration
* @pdev: PCI device
@@ -1133,6 +1249,7 @@ static void i915_setup_compression(struct drm_device *dev, int size)
/* Leave 1M for line length buffer & misc. */
compressed_fb = drm_mm_search_free(&dev_priv->vram, size, 4096, 0);
if (!compressed_fb) {
+ dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
i915_warn_stolen(dev);
return;
}
@@ -1140,6 +1257,7 @@ static void i915_setup_compression(struct drm_device *dev, int size)
compressed_fb = drm_mm_get_block(compressed_fb, size, 4096);
if (!compressed_fb) {
i915_warn_stolen(dev);
+ dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
return;
}
@@ -1450,6 +1568,9 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
dev->driver->get_vblank_counter = gm45_get_vblank_counter;
}
+ /* Try to make sure MCHBAR is enabled before poking at it */
+ intel_setup_mchbar(dev);
+
i915_gem_load(dev);
/* Init HWS */
@@ -1523,6 +1644,8 @@ int i915_driver_unload(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ i915_destroy_error_state(dev);
+
destroy_workqueue(dev_priv->wq);
del_timer_sync(&dev_priv->hangcheck_timer);
@@ -1569,6 +1692,8 @@ int i915_driver_unload(struct drm_device *dev)
intel_cleanup_overlay(dev);
}
+ intel_teardown_mchbar(dev);
+
pci_dev_put(dev_priv->bridge_dev);
kfree(dev->dev_private);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index cf4cb3e9a0c..742bd8f738c 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -571,6 +571,11 @@ static int __init i915_init(void)
driver.driver_features &= ~DRIVER_MODESET;
#endif
+ if (!(driver.driver_features & DRIVER_MODESET)) {
+ driver.suspend = i915_suspend;
+ driver.resume = i915_resume;
+ }
+
return drm_init(&driver);
}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index b99b6a841d9..ec06d4865a5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -150,7 +150,27 @@ struct drm_i915_error_state {
u32 instps;
u32 instdone1;
u32 seqno;
+ u64 bbaddr;
struct timeval time;
+ struct drm_i915_error_object {
+ int page_count;
+ u32 gtt_offset;
+ u32 *pages[0];
+ } *ringbuffer, *batchbuffer[2];
+ struct drm_i915_error_buffer {
+ size_t size;
+ u32 name;
+ u32 seqno;
+ u32 gtt_offset;
+ u32 read_domains;
+ u32 write_domain;
+ u32 fence_reg;
+ s32 pinned:2;
+ u32 tiling:2;
+ u32 dirty:1;
+ u32 purgeable:1;
+ } *active_bo;
+ u32 active_bo_count;
};
struct drm_i915_display_funcs {
@@ -192,6 +212,14 @@ struct intel_device_info {
u8 cursor_needs_physical : 1;
};
+enum no_fbc_reason {
+ FBC_STOLEN_TOO_SMALL, /* not enough space to hold compressed buffers */
+ FBC_UNSUPPORTED_MODE, /* interlace or doublescanned mode */
+ FBC_MODE_TOO_LARGE, /* mode too large for compression */
+ FBC_BAD_PLANE, /* fbc not supported on plane */
+ FBC_NOT_TILED, /* buffer not tiled */
+};
+
typedef struct drm_i915_private {
struct drm_device *dev;
@@ -452,6 +480,7 @@ typedef struct drm_i915_private {
u32 savePIPEB_DATA_N1;
u32 savePIPEB_LINK_M1;
u32 savePIPEB_LINK_N1;
+ u32 saveMCHBAR_RENDER_STANDBY;
struct {
struct drm_mm gtt_space;
@@ -590,6 +619,14 @@ typedef struct drm_i915_private {
int child_dev_num;
struct child_device_config *child_dev;
struct drm_connector *int_lvds_connector;
+
+ bool mchbar_need_disable;
+
+ u8 cur_delay;
+ u8 min_delay;
+ u8 max_delay;
+
+ enum no_fbc_reason no_fbc_reason;
} drm_i915_private_t;
/** driver private structure attached to each drm_gem_object */
@@ -761,6 +798,7 @@ extern int i965_reset(struct drm_device *dev, u8 flags);
/* i915_irq.c */
void i915_hangcheck_elapsed(unsigned long data);
+void i915_destroy_error_state(struct drm_device *dev);
extern int i915_irq_emit(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_irq_wait(struct drm_device *dev, void *data,
@@ -897,7 +935,8 @@ void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj);
void i915_gem_object_save_bit_17_swizzle(struct drm_gem_object *obj);
bool i915_tiling_ok(struct drm_device *dev, int stride, int size,
int tiling_mode);
-bool i915_obj_fenceable(struct drm_device *dev, struct drm_gem_object *obj);
+bool i915_gem_object_fence_offset_ok(struct drm_gem_object *obj,
+ int tiling_mode);
/* i915_gem_debug.c */
void i915_gem_dump_object(struct drm_gem_object *obj, int len,
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 9d87d5a41bd..b5df30ca0fa 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2540,6 +2540,12 @@ i915_gem_object_put_fence_reg(struct drm_gem_object *obj)
if (obj_priv->fence_reg == I915_FENCE_REG_NONE)
return 0;
+ /* If we've changed tiling, GTT-mappings of the object
+ * need to re-fault to ensure that the correct fence register
+ * setup is in place.
+ */
+ i915_gem_release_mmap(obj);
+
/* On the i915, GPU access to tiled buffers is via a fence,
* therefore we must wait for any outstanding access to complete
* before clearing the fence.
@@ -2548,12 +2554,12 @@ i915_gem_object_put_fence_reg(struct drm_gem_object *obj)
int ret;
i915_gem_object_flush_gpu_write_domain(obj);
- i915_gem_object_flush_gtt_write_domain(obj);
ret = i915_gem_object_wait_rendering(obj);
if (ret != 0)
return ret;
}
+ i915_gem_object_flush_gtt_write_domain(obj);
i915_gem_clear_fence_reg (obj);
return 0;
@@ -3243,7 +3249,8 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
obj_priv->tiling_mode != I915_TILING_NONE;
/* Check fence reg constraints and rebind if necessary */
- if (need_fence && !i915_obj_fenceable(dev, obj))
+ if (need_fence && !i915_gem_object_fence_offset_ok(obj,
+ obj_priv->tiling_mode))
i915_gem_object_unbind(obj);
/* Choose the GTT offset for our buffer and put it there. */
@@ -4437,129 +4444,73 @@ i915_gem_evict_from_inactive_list(struct drm_device *dev)
return 0;
}
-int
-i915_gem_idle(struct drm_device *dev)
+static int
+i915_gpu_idle(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- uint32_t seqno, cur_seqno, last_seqno;
- int stuck, ret;
+ bool lists_empty;
+ uint32_t seqno;
- mutex_lock(&dev->struct_mutex);
+ spin_lock(&dev_priv->mm.active_list_lock);
+ lists_empty = list_empty(&dev_priv->mm.flushing_list) &&
+ list_empty(&dev_priv->mm.active_list);
+ spin_unlock(&dev_priv->mm.active_list_lock);
- if (dev_priv->mm.suspended || dev_priv->ring.ring_obj == NULL) {
- mutex_unlock(&dev->struct_mutex);
+ if (lists_empty)
return 0;
- }
-
- /* Hack! Don't let anybody do execbuf while we don't control the chip.
- * We need to replace this with a semaphore, or something.
- */
- dev_priv->mm.suspended = 1;
- del_timer(&dev_priv->hangcheck_timer);
-
- /* Cancel the retire work handler, wait for it to finish if running
- */
- mutex_unlock(&dev->struct_mutex);
- cancel_delayed_work_sync(&dev_priv->mm.retire_work);
- mutex_lock(&dev->struct_mutex);
-
- i915_kernel_lost_context(dev);
- /* Flush the GPU along with all non-CPU write domains
- */
+ /* Flush everything onto the inactive list. */
i915_gem_flush(dev, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
seqno = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS);
-
- if (seqno == 0) {
- mutex_unlock(&dev->struct_mutex);
+ if (seqno == 0)
return -ENOMEM;
- }
-
- dev_priv->mm.waiting_gem_seqno = seqno;
- last_seqno = 0;
- stuck = 0;
- for (;;) {
- cur_seqno = i915_get_gem_seqno(dev);
- if (i915_seqno_passed(cur_seqno, seqno))
- break;
- if (last_seqno == cur_seqno) {
- if (stuck++ > 100) {
- DRM_ERROR("hardware wedged\n");
- atomic_set(&dev_priv->mm.wedged, 1);
- DRM_WAKEUP(&dev_priv->irq_queue);
- break;
- }
- }
- msleep(10);
- last_seqno = cur_seqno;
- }
- dev_priv->mm.waiting_gem_seqno = 0;
-
- i915_gem_retire_requests(dev);
-
- spin_lock(&dev_priv->mm.active_list_lock);
- if (!atomic_read(&dev_priv->mm.wedged)) {
- /* Active and flushing should now be empty as we've
- * waited for a sequence higher than any pending execbuffer
- */
- WARN_ON(!list_empty(&dev_priv->mm.active_list));
- WARN_ON(!list_empty(&dev_priv->mm.flushing_list));
- /* Request should now be empty as we've also waited
- * for the last request in the list
- */
- WARN_ON(!list_empty(&dev_priv->mm.request_list));
- }
-
- /* Empty the active and flushing lists to inactive. If there's
- * anything left at this point, it means that we're wedged and
- * nothing good's going to happen by leaving them there. So strip
- * the GPU domains and just stuff them onto inactive.
- */
- while (!list_empty(&dev_priv->mm.active_list)) {
- struct drm_gem_object *obj;
- uint32_t old_write_domain;
-
- obj = list_first_entry(&dev_priv->mm.active_list,
- struct drm_i915_gem_object,
- list)->obj;
- old_write_domain = obj->write_domain;
- obj->write_domain &= ~I915_GEM_GPU_DOMAINS;
- i915_gem_object_move_to_inactive(obj);
- trace_i915_gem_object_change_domain(obj,
- obj->read_domains,
- old_write_domain);
- }
- spin_unlock(&dev_priv->mm.active_list_lock);
+ return i915_wait_request(dev, seqno);
+}
- while (!list_empty(&dev_priv->mm.flushing_list)) {
- struct drm_gem_object *obj;
- uint32_t old_write_domain;
+int
+i915_gem_idle(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int ret;
- obj = list_first_entry(&dev_priv->mm.flushing_list,
- struct drm_i915_gem_object,
- list)->obj;
- old_write_domain = obj->write_domain;
- obj->write_domain &= ~I915_GEM_GPU_DOMAINS;
- i915_gem_object_move_to_inactive(obj);
+ mutex_lock(&dev->struct_mutex);
- trace_i915_gem_object_change_domain(obj,
- obj->read_domains,
- old_write_domain);
+ if (dev_priv->mm.suspended || dev_priv->ring.ring_obj == NULL) {
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
}
-
- /* Move all inactive buffers out of the GTT. */
- ret = i915_gem_evict_from_inactive_list(dev);
- WARN_ON(!list_empty(&dev_priv->mm.inactive_list));
+ ret = i915_gpu_idle(dev);
if (ret) {
mutex_unlock(&dev->struct_mutex);
return ret;
}
+ /* Under UMS, be paranoid and evict. */
+ if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
+ ret = i915_gem_evict_from_inactive_list(dev);
+ if (ret) {
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+ }
+ }
+
+ /* Hack! Don't let anybody do execbuf while we don't control the chip.
+ * We need to replace this with a semaphore, or something.
+ * And not confound mm.suspended!
+ */
+ dev_priv->mm.suspended = 1;
+ del_timer(&dev_priv->hangcheck_timer);
+
+ i915_kernel_lost_context(dev);
i915_gem_cleanup_ringbuffer(dev);
+
mutex_unlock(&dev->struct_mutex);
+ /* Cancel the retire work handler, which should be idle now. */
+ cancel_delayed_work_sync(&dev_priv->mm.retire_work);
+
return 0;
}
@@ -4846,7 +4797,8 @@ i915_gem_load(struct drm_device *dev)
spin_unlock(&shrink_list_lock);
/* Old X drivers will take 0-2 for front, back, depth buffers */
- dev_priv->fence_reg_start = 3;
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ dev_priv->fence_reg_start = 3;
if (IS_I965G(dev) || IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
dev_priv->num_fence_regs = 16;
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 137e888427f..20653776965 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -25,8 +25,6 @@
*
*/
-#include <linux/acpi.h>
-#include <linux/pnp.h>
#include "linux/string.h"
#include "linux/bitops.h"
#include "drmP.h"
@@ -83,120 +81,6 @@
* to match what the GPU expects.
*/
-#define MCHBAR_I915 0x44
-#define MCHBAR_I965 0x48
-#define MCHBAR_SIZE (4*4096)
-
-#define DEVEN_REG 0x54
-#define DEVEN_MCHBAR_EN (1 << 28)
-
-/* Allocate space for the MCH regs if needed, return nonzero on error */
-static int
-intel_alloc_mchbar_resource(struct drm_device *dev)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
- u32 temp_lo, temp_hi = 0;
- u64 mchbar_addr;
- int ret = 0;
-
- if (IS_I965G(dev))
- pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi);
- pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo);
- mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
-
- /* If ACPI doesn't have it, assume we need to allocate it ourselves */
-#ifdef CONFIG_PNP
- if (mchbar_addr &&
- pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) {
- ret = 0;
- goto out;
- }
-#endif
-
- /* Get some space for it */
- ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, &dev_priv->mch_res,
- MCHBAR_SIZE, MCHBAR_SIZE,
- PCIBIOS_MIN_MEM,
- 0, pcibios_align_resource,
- dev_priv->bridge_dev);
- if (ret) {
- DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret);
- dev_priv->mch_res.start = 0;
- goto out;
- }
-
- if (IS_I965G(dev))
- pci_write_config_dword(dev_priv->bridge_dev, reg + 4,
- upper_32_bits(dev_priv->mch_res.start));
-
- pci_write_config_dword(dev_priv->bridge_dev, reg,
- lower_32_bits(dev_priv->mch_res.start));
-out:
- return ret;
-}
-
-/* Setup MCHBAR if possible, return true if we should disable it again */
-static bool
-intel_setup_mchbar(struct drm_device *dev)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
- u32 temp;
- bool need_disable = false, enabled;
-
- if (IS_I915G(dev) || IS_I915GM(dev)) {
- pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp);
- enabled = !!(temp & DEVEN_MCHBAR_EN);
- } else {
- pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
- enabled = temp & 1;
- }
-
- /* If it's already enabled, don't have to do anything */
- if (enabled)
- goto out;
-
- if (intel_alloc_mchbar_resource(dev))
- goto out;
-
- need_disable = true;
-
- /* Space is allocated or reserved, so enable it. */
- if (IS_I915G(dev) || IS_I915GM(dev)) {
- pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG,
- temp | DEVEN_MCHBAR_EN);
- } else {
- pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
- pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1);
- }
-out:
- return need_disable;
-}
-
-static void
-intel_teardown_mchbar(struct drm_device *dev, bool disable)
-{
- drm_i915_private_t *dev_priv = dev->dev_private;
- int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
- u32 temp;
-
- if (disable) {
- if (IS_I915G(dev) || IS_I915GM(dev)) {
- pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp);
- temp &= ~DEVEN_MCHBAR_EN;
- pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, temp);
- } else {
- pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
- temp &= ~1;
- pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp);
- }
- }
-
- if (dev_priv->mch_res.start)
- release_resource(&dev_priv->mch_res);
-}
-
/**
* Detects bit 6 swizzling of address lookup between IGD access and CPU
* access through main memory.
@@ -207,7 +91,6 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
drm_i915_private_t *dev_priv = dev->dev_private;
uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
- bool need_disable;
if (IS_IRONLAKE(dev)) {
/* On Ironlake whatever DRAM config, GPU always do
@@ -224,9 +107,6 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
} else if (IS_MOBILE(dev)) {
uint32_t dcc;
- /* Try to make sure MCHBAR is enabled before poking at it */
- need_disable = intel_setup_mchbar(dev);
-
/* On mobile 9xx chipsets, channel interleave by the CPU is
* determined by DCC. For single-channel, neither the CPU
* nor the GPU do swizzling. For dual channel interleaved,
@@ -266,8 +146,6 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
}
-
- intel_teardown_mchbar(dev, need_disable);
} else {
/* The 965, G33, and newer, have a very flexible memory
* configuration. It will enable dual-channel mode
@@ -302,39 +180,6 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
dev_priv->mm.bit_6_swizzle_y = swizzle_y;
}
-
-/**
- * Returns whether an object is currently fenceable. If not, it may need
- * to be unbound and have its pitch adjusted.
- */
-bool
-i915_obj_fenceable(struct drm_device *dev, struct drm_gem_object *obj)
-{
- struct drm_i915_gem_object *obj_priv = obj->driver_private;
-
- if (IS_I965G(dev)) {
- /* The 965 can have fences at any page boundary. */
- if (obj->size & 4095)
- return false;
- return true;
- } else if (IS_I9XX(dev)) {
- if (obj_priv->gtt_offset & ~I915_FENCE_START_MASK)
- return false;
- } else {
- if (obj_priv->gtt_offset & ~I830_FENCE_START_MASK)
- return false;
- }
-
- /* Power of two sized... */
- if (obj->size & (obj->size - 1))
- return false;
-
- /* Objects must be size aligned as well */
- if (obj_priv->gtt_offset & (obj->size - 1))
- return false;
- return true;
-}
-
/* Check pitch constriants for all chips & tiling formats */
bool
i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
@@ -391,7 +236,7 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
return true;
}
-static bool
+bool
i915_gem_object_fence_offset_ok(struct drm_gem_object *obj, int tiling_mode)
{
struct drm_device *dev = obj->dev;
@@ -491,12 +336,6 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
goto err;
}
- /* If we've changed tiling, GTT-mappings of the object
- * need to re-fault to ensure that the correct fence register
- * setup is in place.
- */
- i915_gem_release_mmap(obj);
-
obj_priv->tiling_mode = args->tiling_mode;
obj_priv->stride = args->stride;
}
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index a17d6bdfe63..ba1d8314c1c 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -269,6 +269,57 @@ static void i915_hotplug_work_func(struct work_struct *work)
drm_sysfs_hotplug_event(dev);
}
+static void i915_handle_rps_change(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ u32 busy_up, busy_down, max_avg, min_avg;
+ u16 rgvswctl;
+ u8 new_delay = dev_priv->cur_delay;
+
+ I915_WRITE(MEMINTRSTS, I915_READ(MEMINTRSTS) & ~MEMINT_EVAL_CHG);
+ busy_up = I915_READ(RCPREVBSYTUPAVG);
+ busy_down = I915_READ(RCPREVBSYTDNAVG);
+ max_avg = I915_READ(RCBMAXAVG);
+ min_avg = I915_READ(RCBMINAVG);
+
+ /* Handle RCS change request from hw */
+ if (busy_up > max_avg) {
+ if (dev_priv->cur_delay != dev_priv->max_delay)
+ new_delay = dev_priv->cur_delay - 1;
+ if (new_delay < dev_priv->max_delay)
+ new_delay = dev_priv->max_delay;
+ } else if (busy_down < min_avg) {
+ if (dev_priv->cur_delay != dev_priv->min_delay)
+ new_delay = dev_priv->cur_delay + 1;
+ if (new_delay > dev_priv->min_delay)
+ new_delay = dev_priv->min_delay;
+ }
+
+ DRM_DEBUG("rps change requested: %d -> %d\n",
+ dev_priv->cur_delay, new_delay);
+
+ rgvswctl = I915_READ(MEMSWCTL);
+ if (rgvswctl & MEMCTL_CMD_STS) {
+ DRM_ERROR("gpu busy, RCS change rejected\n");
+ return; /* still busy with another command */
+ }
+
+ /* Program the new state */
+ rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
+ (new_delay << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
+ I915_WRITE(MEMSWCTL, rgvswctl);
+ POSTING_READ(MEMSWCTL);
+
+ rgvswctl |= MEMCTL_CMD_STS;
+ I915_WRITE(MEMSWCTL, rgvswctl);
+
+ dev_priv->cur_delay = new_delay;
+
+ DRM_DEBUG("rps changed\n");
+
+ return;
+}
+
irqreturn_t ironlake_irq_handler(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -331,6 +382,11 @@ irqreturn_t ironlake_irq_handler(struct drm_device *dev)
queue_work(dev_priv->wq, &dev_priv->hotplug_work);
}
+ if (de_iir & DE_PCU_EVENT) {
+ I915_WRITE(MEMINTRSTS, I915_READ(MEMINTRSTS));
+ i915_handle_rps_change(dev);
+ }
+
/* should clear PCH hotplug event before clear CPU irq */
I915_WRITE(SDEIIR, pch_iir);
I915_WRITE(GTIIR, gt_iir);
@@ -376,6 +432,121 @@ static void i915_error_work_func(struct work_struct *work)
}
}
+static struct drm_i915_error_object *
+i915_error_object_create(struct drm_device *dev,
+ struct drm_gem_object *src)
+{
+ struct drm_i915_error_object *dst;
+ struct drm_i915_gem_object *src_priv;
+ int page, page_count;
+
+ if (src == NULL)
+ return NULL;
+
+ src_priv = src->driver_private;
+ if (src_priv->pages == NULL)
+ return NULL;
+
+ page_count = src->size / PAGE_SIZE;
+
+ dst = kmalloc(sizeof(*dst) + page_count * sizeof (u32 *), GFP_ATOMIC);
+ if (dst == NULL)
+ return NULL;
+
+ for (page = 0; page < page_count; page++) {
+ void *s, *d = kmalloc(PAGE_SIZE, GFP_ATOMIC);
+ if (d == NULL)
+ goto unwind;
+ s = kmap_atomic(src_priv->pages[page], KM_USER0);
+ memcpy(d, s, PAGE_SIZE);
+ kunmap_atomic(s, KM_USER0);
+ dst->pages[page] = d;
+ }
+ dst->page_count = page_count;
+ dst->gtt_offset = src_priv->gtt_offset;
+
+ return dst;
+
+unwind:
+ while (page--)
+ kfree(dst->pages[page]);
+ kfree(dst);
+ return NULL;
+}
+
+static void
+i915_error_object_free(struct drm_i915_error_object *obj)
+{
+ int page;
+
+ if (obj == NULL)
+ return;
+
+ for (page = 0; page < obj->page_count; page++)
+ kfree(obj->pages[page]);
+
+ kfree(obj);
+}
+
+static void
+i915_error_state_free(struct drm_device *dev,
+ struct drm_i915_error_state *error)
+{
+ i915_error_object_free(error->batchbuffer[0]);
+ i915_error_object_free(error->batchbuffer[1]);
+ i915_error_object_free(error->ringbuffer);
+ kfree(error->active_bo);
+ kfree(error);
+}
+
+static u32
+i915_get_bbaddr(struct drm_device *dev, u32 *ring)
+{
+ u32 cmd;
+
+ if (IS_I830(dev) || IS_845G(dev))
+ cmd = MI_BATCH_BUFFER;
+ else if (IS_I965G(dev))
+ cmd = (MI_BATCH_BUFFER_START | (2 << 6) |
+ MI_BATCH_NON_SECURE_I965);
+ else
+ cmd = (MI_BATCH_BUFFER_START | (2 << 6));
+
+ return ring[0] == cmd ? ring[1] : 0;
+}
+
+static u32
+i915_ringbuffer_last_batch(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 head, bbaddr;
+ u32 *ring;
+
+ /* Locate the current position in the ringbuffer and walk back
+ * to find the most recently dispatched batch buffer.
+ */
+ bbaddr = 0;
+ head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+ ring = (u32 *)(dev_priv->ring.virtual_start + head);
+
+ while (--ring >= (u32 *)dev_priv->ring.virtual_start) {
+ bbaddr = i915_get_bbaddr(dev, ring);
+ if (bbaddr)
+ break;
+ }
+
+ if (bbaddr == 0) {
+ ring = (u32 *)(dev_priv->ring.virtual_start + dev_priv->ring.Size);
+ while (--ring >= (u32 *)dev_priv->ring.virtual_start) {
+ bbaddr = i915_get_bbaddr(dev, ring);
+ if (bbaddr)
+ break;
+ }
+ }
+
+ return bbaddr;
+}
+
/**
* i915_capture_error_state - capture an error record for later analysis
* @dev: drm device
@@ -388,19 +559,26 @@ static void i915_error_work_func(struct work_struct *work)
static void i915_capture_error_state(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_gem_object *obj_priv;
struct drm_i915_error_state *error;
+ struct drm_gem_object *batchbuffer[2];
unsigned long flags;
+ u32 bbaddr;
+ int count;
spin_lock_irqsave(&dev_priv->error_lock, flags);
- if (dev_priv->first_error)
- goto out;
+ error = dev_priv->first_error;
+ spin_unlock_irqrestore(&dev_priv->error_lock, flags);
+ if (error)
+ return;
error = kmalloc(sizeof(*error), GFP_ATOMIC);
if (!error) {
- DRM_DEBUG_DRIVER("out ot memory, not capturing error state\n");
- goto out;
+ DRM_DEBUG_DRIVER("out of memory, not capturing error state\n");
+ return;
}
+ error->seqno = i915_get_gem_seqno(dev);
error->eir = I915_READ(EIR);
error->pgtbl_er = I915_READ(PGTBL_ER);
error->pipeastat = I915_READ(PIPEASTAT);
@@ -411,6 +589,7 @@ static void i915_capture_error_state(struct drm_device *dev)
error->ipehr = I915_READ(IPEHR);
error->instdone = I915_READ(INSTDONE);
error->acthd = I915_READ(ACTHD);
+ error->bbaddr = 0;
} else {
error->ipeir = I915_READ(IPEIR_I965);
error->ipehr = I915_READ(IPEHR_I965);
@@ -418,14 +597,101 @@ static void i915_capture_error_state(struct drm_device *dev)
error->instps = I915_READ(INSTPS);
error->instdone1 = I915_READ(INSTDONE1);
error->acthd = I915_READ(ACTHD_I965);
+ error->bbaddr = I915_READ64(BB_ADDR);
}
- do_gettimeofday(&error->time);
+ bbaddr = i915_ringbuffer_last_batch(dev);
+
+ /* Grab the current batchbuffer, most likely to have crashed. */
+ batchbuffer[0] = NULL;
+ batchbuffer[1] = NULL;
+ count = 0;
+ list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
+ struct drm_gem_object *obj = obj_priv->obj;
+
+ if (batchbuffer[0] == NULL &&
+ bbaddr >= obj_priv->gtt_offset &&
+ bbaddr < obj_priv->gtt_offset + obj->size)
+ batchbuffer[0] = obj;
+
+ if (batchbuffer[1] == NULL &&
+ error->acthd >= obj_priv->gtt_offset &&
+ error->acthd < obj_priv->gtt_offset + obj->size &&
+ batchbuffer[0] != obj)
+ batchbuffer[1] = obj;
- dev_priv->first_error = error;
+ count++;
+ }
+
+ /* We need to copy these to an anonymous buffer as the simplest
+ * method to avoid being overwritten by userpace.
+ */
+ error->batchbuffer[0] = i915_error_object_create(dev, batchbuffer[0]);
+ error->batchbuffer[1] = i915_error_object_create(dev, batchbuffer[1]);
+
+ /* Record the ringbuffer */
+ error->ringbuffer = i915_error_object_create(dev, dev_priv->ring.ring_obj);
+
+ /* Record buffers on the active list. */
+ error->active_bo = NULL;
+ error->active_bo_count = 0;
+
+ if (count)
+ error->active_bo = kmalloc(sizeof(*error->active_bo)*count,
+ GFP_ATOMIC);
+
+ if (error->active_bo) {
+ int i = 0;
+ list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
+ struct drm_gem_object *obj = obj_priv->obj;
+
+ error->active_bo[i].size = obj->size;
+ error->active_bo[i].name = obj->name;
+ error->active_bo[i].seqno = obj_priv->last_rendering_seqno;
+ error->active_bo[i].gtt_offset = obj_priv->gtt_offset;
+ error->active_bo[i].read_domains = obj->read_domains;
+ error->active_bo[i].write_domain = obj->write_domain;
+ error->active_bo[i].fence_reg = obj_priv->fence_reg;
+ error->active_bo[i].pinned = 0;
+ if (obj_priv->pin_count > 0)
+ error->active_bo[i].pinned = 1;
+ if (obj_priv->user_pin_count > 0)
+ error->active_bo[i].pinned = -1;
+ error->active_bo[i].tiling = obj_priv->tiling_mode;
+ error->active_bo[i].dirty = obj_priv->dirty;
+ error->active_bo[i].purgeable = obj_priv->madv != I915_MADV_WILLNEED;
+
+ if (++i == count)
+ break;
+ }
+ error->active_bo_count = i;
+ }
-out:
+ do_gettimeofday(&error->time);
+
+ spin_lock_irqsave(&dev_priv->error_lock, flags);
+ if (dev_priv->first_error == NULL) {
+ dev_priv->first_error = error;
+ error = NULL;
+ }
spin_unlock_irqrestore(&dev_priv->error_lock, flags);
+
+ if (error)
+ i915_error_state_free(dev, error);
+}
+
+void i915_destroy_error_state(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_error_state *error;
+
+ spin_lock(&dev_priv->error_lock);
+ error = dev_priv->first_error;
+ dev_priv->first_error = NULL;
+ spin_unlock(&dev_priv->error_lock);
+
+ if (error)
+ i915_error_state_free(dev, error);
}
/**
@@ -1064,6 +1330,13 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
I915_WRITE(SDEIER, dev_priv->pch_irq_enable_reg);
(void) I915_READ(SDEIER);
+ if (IS_IRONLAKE_M(dev)) {
+ /* Clear & enable PCU event interrupts */
+ I915_WRITE(DEIIR, DE_PCU_EVENT);
+ I915_WRITE(DEIER, I915_READ(DEIER) | DE_PCU_EVENT);
+ ironlake_enable_display_irq(dev_priv, DE_PCU_EVENT);
+ }
+
return 0;
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ab1bd2d3d3b..eff8d850a75 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -61,6 +61,7 @@
#define GC_CLOCK_100_200 (1 << 0)
#define GC_CLOCK_100_133 (2 << 0)
#define GC_CLOCK_166_250 (3 << 0)
+#define GCFGC2 0xda
#define GCFGC 0xf0 /* 915+ only */
#define GC_LOW_FREQUENCY_ENABLE (1 << 7)
#define GC_DISPLAY_CLOCK_190_200_MHZ (0 << 4)
@@ -282,7 +283,7 @@
#define I915_PIPE_CONTROL_NOTIFY_INTERRUPT (1<<18)
#define I915_DISPLAY_PORT_INTERRUPT (1<<17)
#define I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT (1<<15)
-#define I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT (1<<14)
+#define I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT (1<<14) /* p-state */
#define I915_HWB_OOM_INTERRUPT (1<<13)
#define I915_SYNC_STATUS_INTERRUPT (1<<12)
#define I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT (1<<11)
@@ -306,11 +307,14 @@
#define I915_ERROR_MEMORY_REFRESH (1<<1)
#define I915_ERROR_INSTRUCTION (1<<0)
#define INSTPM 0x020c0
+#define INSTPM_SELF_EN (1<<12) /* 915GM only */
#define ACTHD 0x020c8
#define FW_BLC 0x020d8
#define FW_BLC2 0x020dc
#define FW_BLC_SELF 0x020e0 /* 915+ only */
-#define FW_BLC_SELF_EN (1<<15)
+#define FW_BLC_SELF_EN_MASK (1<<31)
+#define FW_BLC_SELF_FIFO_MASK (1<<16) /* 945 only */
+#define FW_BLC_SELF_EN (1<<15) /* 945 only */
#define MM_BURST_LENGTH 0x00700000
#define MM_FIFO_WATERMARK 0x0001F000
#define LM_BURST_LENGTH 0x00000700
@@ -324,6 +328,7 @@
#define CM0_COLOR_EVICT_DISABLE (1<<3)
#define CM0_DEPTH_WRITE_DISABLE (1<<1)
#define CM0_RC_OP_FLUSH_DISABLE (1<<0)
+#define BB_ADDR 0x02140 /* 8 bytes */
#define GFX_FLSH_CNTL 0x02170 /* 915+ only */
@@ -784,10 +789,144 @@
#define CLKCFG_MEM_800 (3 << 4)
#define CLKCFG_MEM_MASK (7 << 4)
-/** GM965 GM45 render standby register */
-#define MCHBAR_RENDER_STANDBY 0x111B8
+#define CRSTANDVID 0x11100
+#define PXVFREQ_BASE 0x11110 /* P[0-15]VIDFREQ (0x1114c) (Ironlake) */
+#define PXVFREQ_PX_MASK 0x7f000000
+#define PXVFREQ_PX_SHIFT 24
+#define VIDFREQ_BASE 0x11110
+#define VIDFREQ1 0x11110 /* VIDFREQ1-4 (0x1111c) (Cantiga) */
+#define VIDFREQ2 0x11114
+#define VIDFREQ3 0x11118
+#define VIDFREQ4 0x1111c
+#define VIDFREQ_P0_MASK 0x1f000000
+#define VIDFREQ_P0_SHIFT 24
+#define VIDFREQ_P0_CSCLK_MASK 0x00f00000
+#define VIDFREQ_P0_CSCLK_SHIFT 20
+#define VIDFREQ_P0_CRCLK_MASK 0x000f0000
+#define VIDFREQ_P0_CRCLK_SHIFT 16
+#define VIDFREQ_P1_MASK 0x00001f00
+#define VIDFREQ_P1_SHIFT 8
+#define VIDFREQ_P1_CSCLK_MASK 0x000000f0
+#define VIDFREQ_P1_CSCLK_SHIFT 4
+#define VIDFREQ_P1_CRCLK_MASK 0x0000000f
+#define INTTOEXT_BASE_ILK 0x11300
+#define INTTOEXT_BASE 0x11120 /* INTTOEXT1-8 (0x1113c) */
+#define INTTOEXT_MAP3_SHIFT 24
+#define INTTOEXT_MAP3_MASK (0x1f << INTTOEXT_MAP3_SHIFT)
+#define INTTOEXT_MAP2_SHIFT 16
+#define INTTOEXT_MAP2_MASK (0x1f << INTTOEXT_MAP2_SHIFT)
+#define INTTOEXT_MAP1_SHIFT 8
+#define INTTOEXT_MAP1_MASK (0x1f << INTTOEXT_MAP1_SHIFT)
+#define INTTOEXT_MAP0_SHIFT 0
+#define INTTOEXT_MAP0_MASK (0x1f << INTTOEXT_MAP0_SHIFT)
+#define MEMSWCTL 0x11170 /* Ironlake only */
+#define MEMCTL_CMD_MASK 0xe000
+#define MEMCTL_CMD_SHIFT 13
+#define MEMCTL_CMD_RCLK_OFF 0
+#define MEMCTL_CMD_RCLK_ON 1
+#define MEMCTL_CMD_CHFREQ 2
+#define MEMCTL_CMD_CHVID 3
+#define MEMCTL_CMD_VMMOFF 4
+#define MEMCTL_CMD_VMMON 5
+#define MEMCTL_CMD_STS (1<<12) /* write 1 triggers command, clears
+ when command complete */
+#define MEMCTL_FREQ_MASK 0x0f00 /* jitter, from 0-15 */
+#define MEMCTL_FREQ_SHIFT 8
+#define MEMCTL_SFCAVM (1<<7)
+#define MEMCTL_TGT_VID_MASK 0x007f
+#define MEMIHYST 0x1117c
+#define MEMINTREN 0x11180 /* 16 bits */
+#define MEMINT_RSEXIT_EN (1<<8)
+#define MEMINT_CX_SUPR_EN (1<<7)
+#define MEMINT_CONT_BUSY_EN (1<<6)
+#define MEMINT_AVG_BUSY_EN (1<<5)
+#define MEMINT_EVAL_CHG_EN (1<<4)
+#define MEMINT_MON_IDLE_EN (1<<3)
+#define MEMINT_UP_EVAL_EN (1<<2)
+#define MEMINT_DOWN_EVAL_EN (1<<1)
+#define MEMINT_SW_CMD_EN (1<<0)
+#define MEMINTRSTR 0x11182 /* 16 bits */
+#define MEM_RSEXIT_MASK 0xc000
+#define MEM_RSEXIT_SHIFT 14
+#define MEM_CONT_BUSY_MASK 0x3000
+#define MEM_CONT_BUSY_SHIFT 12
+#define MEM_AVG_BUSY_MASK 0x0c00
+#define MEM_AVG_BUSY_SHIFT 10
+#define MEM_EVAL_CHG_MASK 0x0300
+#define MEM_EVAL_BUSY_SHIFT 8
+#define MEM_MON_IDLE_MASK 0x00c0
+#define MEM_MON_IDLE_SHIFT 6
+#define MEM_UP_EVAL_MASK 0x0030
+#define MEM_UP_EVAL_SHIFT 4
+#define MEM_DOWN_EVAL_MASK 0x000c
+#define MEM_DOWN_EVAL_SHIFT 2
+#define MEM_SW_CMD_MASK 0x0003
+#define MEM_INT_STEER_GFX 0
+#define MEM_INT_STEER_CMR 1
+#define MEM_INT_STEER_SMI 2
+#define MEM_INT_STEER_SCI 3
+#define MEMINTRSTS 0x11184
+#define MEMINT_RSEXIT (1<<7)
+#define MEMINT_CONT_BUSY (1<<6)
+#define MEMINT_AVG_BUSY (1<<5)
+#define MEMINT_EVAL_CHG (1<<4)
+#define MEMINT_MON_IDLE (1<<3)
+#define MEMINT_UP_EVAL (1<<2)
+#define MEMINT_DOWN_EVAL (1<<1)
+#define MEMINT_SW_CMD (1<<0)
+#define MEMMODECTL 0x11190
+#define MEMMODE_BOOST_EN (1<<31)
+#define MEMMODE_BOOST_FREQ_MASK 0x0f000000 /* jitter for boost, 0-15 */
+#define MEMMODE_BOOST_FREQ_SHIFT 24
+#define MEMMODE_IDLE_MODE_MASK 0x00030000
+#define MEMMODE_IDLE_MODE_SHIFT 16
+#define MEMMODE_IDLE_MODE_EVAL 0
+#define MEMMODE_IDLE_MODE_CONT 1
+#define MEMMODE_HWIDLE_EN (1<<15)
+#define MEMMODE_SWMODE_EN (1<<14)
+#define MEMMODE_RCLK_GATE (1<<13)
+#define MEMMODE_HW_UPDATE (1<<12)
+#define MEMMODE_FSTART_MASK 0x00000f00 /* starting jitter, 0-15 */
+#define MEMMODE_FSTART_SHIFT 8
+#define MEMMODE_FMAX_MASK 0x000000f0 /* max jitter, 0-15 */
+#define MEMMODE_FMAX_SHIFT 4
+#define MEMMODE_FMIN_MASK 0x0000000f /* min jitter, 0-15 */
+#define RCBMAXAVG 0x1119c
+#define MEMSWCTL2 0x1119e /* Cantiga only */
+#define SWMEMCMD_RENDER_OFF (0 << 13)
+#define SWMEMCMD_RENDER_ON (1 << 13)
+#define SWMEMCMD_SWFREQ (2 << 13)
+#define SWMEMCMD_TARVID (3 << 13)
+#define SWMEMCMD_VRM_OFF (4 << 13)
+#define SWMEMCMD_VRM_ON (5 << 13)
+#define CMDSTS (1<<12)
+#define SFCAVM (1<<11)
+#define SWFREQ_MASK 0x0380 /* P0-7 */
+#define SWFREQ_SHIFT 7
+#define TARVID_MASK 0x001f
+#define MEMSTAT_CTG 0x111a0
+#define RCBMINAVG 0x111a0
+#define RCUPEI 0x111b0
+#define RCDNEI 0x111b4
+#define MCHBAR_RENDER_STANDBY 0x111b8
#define RCX_SW_EXIT (1<<23)
#define RSX_STATUS_MASK 0x00700000
+#define VIDCTL 0x111c0
+#define VIDSTS 0x111c8
+#define VIDSTART 0x111cc /* 8 bits */
+#define MEMSTAT_ILK 0x111f8
+#define MEMSTAT_VID_MASK 0x7f00
+#define MEMSTAT_VID_SHIFT 8
+#define MEMSTAT_PSTATE_MASK 0x00f8
+#define MEMSTAT_PSTATE_SHIFT 3
+#define MEMSTAT_MON_ACTV (1<<2)
+#define MEMSTAT_SRC_CTL_MASK 0x0003
+#define MEMSTAT_SRC_CTL_CORE 0
+#define MEMSTAT_SRC_CTL_TRB 1
+#define MEMSTAT_SRC_CTL_THM 2
+#define MEMSTAT_SRC_CTL_STDBY 3
+#define RCPREVBSYTUPAVG 0x113b8
+#define RCPREVBSYTDNAVG 0x113bc
#define PEG_BAND_GAP_DATA 0x14d68
/*
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index a3b90c9561d..ac0d1a73ac2 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -682,6 +682,8 @@ void i915_restore_display(struct drm_device *dev)
I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS);
I915_WRITE(PCH_PP_DIVISOR, dev_priv->savePP_DIVISOR);
I915_WRITE(PCH_PP_CONTROL, dev_priv->savePP_CONTROL);
+ I915_WRITE(MCHBAR_RENDER_STANDBY,
+ dev_priv->saveMCHBAR_RENDER_STANDBY);
} else {
I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
@@ -745,11 +747,16 @@ int i915_save_state(struct drm_device *dev)
dev_priv->saveGTIMR = I915_READ(GTIMR);
dev_priv->saveFDI_RXA_IMR = I915_READ(FDI_RXA_IMR);
dev_priv->saveFDI_RXB_IMR = I915_READ(FDI_RXB_IMR);
+ dev_priv->saveMCHBAR_RENDER_STANDBY =
+ I915_READ(MCHBAR_RENDER_STANDBY);
} else {
dev_priv->saveIER = I915_READ(IER);
dev_priv->saveIMR = I915_READ(IMR);
}
+ if (IS_IRONLAKE_M(dev))
+ ironlake_disable_drps(dev);
+
/* Cache mode state */
dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
@@ -820,6 +827,9 @@ int i915_restore_state(struct drm_device *dev)
/* Clock gating state */
intel_init_clock_gating(dev);
+ if (IS_IRONLAKE_M(dev))
+ ironlake_enable_drps(dev);
+
/* Cache mode state */
I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c8fd15f146a..1b5cd833bc7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1188,25 +1188,30 @@ static void intel_update_fbc(struct drm_crtc *crtc,
if (intel_fb->obj->size > dev_priv->cfb_size) {
DRM_DEBUG_KMS("framebuffer too large, disabling "
"compression\n");
+ dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
goto out_disable;
}
if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
(mode->flags & DRM_MODE_FLAG_DBLSCAN)) {
DRM_DEBUG_KMS("mode incompatible with compression, "
"disabling\n");
+ dev_priv->no_fbc_reason = FBC_UNSUPPORTED_MODE;
goto out_disable;
}
if ((mode->hdisplay > 2048) ||
(mode->vdisplay > 1536)) {
DRM_DEBUG_KMS("mode too large for compression, disabling\n");
+ dev_priv->no_fbc_reason = FBC_MODE_TOO_LARGE;
goto out_disable;
}
if ((IS_I915GM(dev) || IS_I945GM(dev)) && plane != 0) {
DRM_DEBUG_KMS("plane not 0, disabling compression\n");
+ dev_priv->no_fbc_reason = FBC_BAD_PLANE;
goto out_disable;
}
if (obj_priv->tiling_mode != I915_TILING_X) {
DRM_DEBUG_KMS("framebuffer not tiled, disabling compression\n");
+ dev_priv->no_fbc_reason = FBC_NOT_TILED;
goto out_disable;
}
@@ -2757,11 +2762,22 @@ static void i9xx_update_wm(struct drm_device *dev, int planea_clock,
srwm = total_size - sr_entries;
if (srwm < 0)
srwm = 1;
- I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN | (srwm & 0x3f));
+
+ if (IS_I945G(dev) || IS_I945GM(dev))
+ I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_FIFO_MASK | (srwm & 0xff));
+ else if (IS_I915GM(dev)) {
+ /* 915M has a smaller SRWM field */
+ I915_WRITE(FW_BLC_SELF, srwm & 0x3f);
+ I915_WRITE(INSTPM, I915_READ(INSTPM) | INSTPM_SELF_EN);
+ }
} else {
/* Turn off self refresh if both pipes are enabled */
- I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
- & ~FW_BLC_SELF_EN);
+ if (IS_I945G(dev) || IS_I945GM(dev)) {
+ I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
+ & ~FW_BLC_SELF_EN);
+ } else if (IS_I915GM(dev)) {
+ I915_WRITE(INSTPM, I915_READ(INSTPM) & ~INSTPM_SELF_EN);
+ }
}
DRM_DEBUG_KMS("Setting FIFO watermarks - A: %d, B: %d, C: %d, SR %d\n",
@@ -4010,6 +4026,11 @@ static void intel_idle_update(struct work_struct *work)
mutex_lock(&dev->struct_mutex);
+ if (IS_I945G(dev) || IS_I945GM(dev)) {
+ DRM_DEBUG_DRIVER("enable memory self refresh on 945\n");
+ I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN_MASK | FW_BLC_SELF_EN);
+ }
+
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
/* Skip inactive CRTCs */
if (!crtc->fb)
@@ -4043,9 +4064,17 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj)
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return;
- if (!dev_priv->busy)
+ if (!dev_priv->busy) {
+ if (IS_I945G(dev) || IS_I945GM(dev)) {
+ u32 fw_blc_self;
+
+ DRM_DEBUG_DRIVER("disable memory self refresh on 945\n");
+ fw_blc_self = I915_READ(FW_BLC_SELF);
+ fw_blc_self &= ~FW_BLC_SELF_EN;
+ I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
+ }
dev_priv->busy = true;
- else
+ } else
mod_timer(&dev_priv->idle_timer, jiffies +
msecs_to_jiffies(GPU_IDLE_TIMEOUT));
@@ -4057,6 +4086,14 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj)
intel_fb = to_intel_framebuffer(crtc->fb);
if (intel_fb->obj == obj) {
if (!intel_crtc->busy) {
+ if (IS_I945G(dev) || IS_I945GM(dev)) {
+ u32 fw_blc_self;
+
+ DRM_DEBUG_DRIVER("disable memory self refresh on 945\n");
+ fw_blc_self = I915_READ(FW_BLC_SELF);
+ fw_blc_self &= ~FW_BLC_SELF_EN;
+ I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
+ }
/* Non-busy -> busy, upclock */
intel_increase_pllclock(crtc, true);
intel_crtc->busy = true;
@@ -4586,6 +4623,91 @@ err_unref:
return NULL;
}
+void ironlake_enable_drps(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 rgvmodectl = I915_READ(MEMMODECTL), rgvswctl;
+ u8 fmax, fmin, fstart, vstart;
+ int i = 0;
+
+ /* 100ms RC evaluation intervals */
+ I915_WRITE(RCUPEI, 100000);
+ I915_WRITE(RCDNEI, 100000);
+
+ /* Set max/min thresholds to 90ms and 80ms respectively */
+ I915_WRITE(RCBMAXAVG, 90000);
+ I915_WRITE(RCBMINAVG, 80000);
+
+ I915_WRITE(MEMIHYST, 1);
+
+ /* Set up min, max, and cur for interrupt handling */
+ fmax = (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT;
+ fmin = (rgvmodectl & MEMMODE_FMIN_MASK);
+ fstart = (rgvmodectl & MEMMODE_FSTART_MASK) >>
+ MEMMODE_FSTART_SHIFT;
+ vstart = (I915_READ(PXVFREQ_BASE + (fstart * 4)) & PXVFREQ_PX_MASK) >>
+ PXVFREQ_PX_SHIFT;
+
+ dev_priv->max_delay = fstart; /* can't go to fmax w/o IPS */
+ dev_priv->min_delay = fmin;
+ dev_priv->cur_delay = fstart;
+
+ I915_WRITE(MEMINTREN, MEMINT_CX_SUPR_EN | MEMINT_EVAL_CHG_EN);
+
+ /*
+ * Interrupts will be enabled in ironlake_irq_postinstall
+ */
+
+ I915_WRITE(VIDSTART, vstart);
+ POSTING_READ(VIDSTART);
+
+ rgvmodectl |= MEMMODE_SWMODE_EN;
+ I915_WRITE(MEMMODECTL, rgvmodectl);
+
+ while (I915_READ(MEMSWCTL) & MEMCTL_CMD_STS) {
+ if (i++ > 100) {
+ DRM_ERROR("stuck trying to change perf mode\n");
+ break;
+ }
+ msleep(1);
+ }
+ msleep(1);
+
+ rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
+ (fstart << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
+ I915_WRITE(MEMSWCTL, rgvswctl);
+ POSTING_READ(MEMSWCTL);
+
+ rgvswctl |= MEMCTL_CMD_STS;
+ I915_WRITE(MEMSWCTL, rgvswctl);
+}
+
+void ironlake_disable_drps(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 rgvswctl;
+ u8 fstart;
+
+ /* Ack interrupts, disable EFC interrupt */
+ I915_WRITE(MEMINTREN, I915_READ(MEMINTREN) & ~MEMINT_EVAL_CHG_EN);
+ I915_WRITE(MEMINTRSTS, MEMINT_EVAL_CHG);
+ I915_WRITE(DEIER, I915_READ(DEIER) & ~DE_PCU_EVENT);
+ I915_WRITE(DEIIR, DE_PCU_EVENT);
+ I915_WRITE(DEIMR, I915_READ(DEIMR) | DE_PCU_EVENT);
+
+ /* Go back to the starting frequency */
+ fstart = (I915_READ(MEMMODECTL) & MEMMODE_FSTART_MASK) >>
+ MEMMODE_FSTART_SHIFT;
+ rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
+ (fstart << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
+ I915_WRITE(MEMSWCTL, rgvswctl);
+ msleep(1);
+ rgvswctl |= MEMCTL_CMD_STS;
+ I915_WRITE(MEMSWCTL, rgvswctl);
+ msleep(1);
+
+}
+
void intel_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -4769,11 +4891,6 @@ void intel_modeset_init(struct drm_device *dev)
DRM_DEBUG_KMS("%d display pipe%s available.\n",
num_pipe, num_pipe > 1 ? "s" : "");
- if (IS_I85X(dev))
- pci_read_config_word(dev->pdev, HPLLCC, &dev_priv->orig_clock);
- else if (IS_I9XX(dev) || IS_G4X(dev))
- pci_read_config_word(dev->pdev, GCFGC, &dev_priv->orig_clock);
-
for (i = 0; i < num_pipe; i++) {
intel_crtc_init(dev, i);
}
@@ -4782,6 +4899,9 @@ void intel_modeset_init(struct drm_device *dev)
intel_init_clock_gating(dev);
+ if (IS_IRONLAKE_M(dev))
+ ironlake_enable_drps(dev);
+
INIT_WORK(&dev_priv->idle_work, intel_idle_update);
setup_timer(&dev_priv->idle_timer, intel_gpu_idle_timer,
(unsigned long)dev);
@@ -4829,6 +4949,9 @@ void intel_modeset_cleanup(struct drm_device *dev)
drm_gem_object_unreference(dev_priv->pwrctx);
}
+ if (IS_IRONLAKE_M(dev))
+ ironlake_disable_drps(dev);
+
mutex_unlock(&dev->struct_mutex);
drm_mode_config_cleanup(dev);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a51573da1ff..3a467ca5785 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -209,6 +209,8 @@ extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, int regno);
extern void intel_init_clock_gating(struct drm_device *dev);
+extern void ironlake_enable_drps(struct drm_device *dev);
+extern void ironlake_disable_drps(struct drm_device *dev);
extern int intel_framebuffer_create(struct drm_device *dev,
struct drm_mode_fb_cmd *mode_cmd,
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index c2e8a45780d..93031a75d11 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -655,8 +655,15 @@ static const struct dmi_system_id bad_lid_status[] = {
*/
static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector)
{
+ struct drm_device *dev = connector->dev;
enum drm_connector_status status = connector_status_connected;
+ /* ACPI lid methods were generally unreliable in this generation, so
+ * don't even bother.
+ */
+ if (IS_I8XX(dev))
+ return connector_status_connected;
+
if (!dmi_check_system(bad_lid_status) && !acpi_lid_open())
status = connector_status_disconnected;
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 1b50d61c5aa..c3fa406912b 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -199,16 +199,11 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over
static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay)
{
- struct drm_device *dev = overlay->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
-
if (OVERLAY_NONPHYSICAL(overlay->dev))
io_mapping_unmap_atomic(overlay->virt_addr);
overlay->virt_addr = NULL;
- I915_READ(OVADD); /* flush wc cashes */
-
return;
}
@@ -225,9 +220,7 @@ static int intel_overlay_on(struct intel_overlay *overlay)
overlay->active = 1;
overlay->hw_wedged = NEEDS_WAIT_FOR_FLIP;
- BEGIN_LP_RING(6);
- OUT_RING(MI_FLUSH);
- OUT_RING(MI_NOOP);
+ BEGIN_LP_RING(4);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_ON);
OUT_RING(overlay->flip_addr | OFC_UPDATE);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
@@ -267,9 +260,7 @@ static void intel_overlay_continue(struct intel_overlay *overlay,
if (tmp & (1 << 17))
DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp);
- BEGIN_LP_RING(4);
- OUT_RING(MI_FLUSH);
- OUT_RING(MI_NOOP);
+ BEGIN_LP_RING(2);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
OUT_RING(flip_addr);
ADVANCE_LP_RING();
@@ -338,9 +329,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
/* wait for overlay to go idle */
overlay->hw_wedged = SWITCH_OFF_STAGE_1;
- BEGIN_LP_RING(6);
- OUT_RING(MI_FLUSH);
- OUT_RING(MI_NOOP);
+ BEGIN_LP_RING(4);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
OUT_RING(flip_addr);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
@@ -358,9 +347,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
/* turn overlay off */
overlay->hw_wedged = SWITCH_OFF_STAGE_2;
- BEGIN_LP_RING(6);
- OUT_RING(MI_FLUSH);
- OUT_RING(MI_NOOP);
+ BEGIN_LP_RING(4);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
OUT_RING(flip_addr);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
@@ -435,9 +422,7 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
overlay->hw_wedged = SWITCH_OFF_STAGE_2;
- BEGIN_LP_RING(6);
- OUT_RING(MI_FLUSH);
- OUT_RING(MI_NOOP);
+ BEGIN_LP_RING(4);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
OUT_RING(flip_addr);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 12:49:51 +0000