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-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c4
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c11
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c22
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h25
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c2
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c4
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c21
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c6
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h6
-rw-r--r--drivers/gpu/drm/i915/intel_display.c196
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c36
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h1
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c39
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c12
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c9
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c26
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h13
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c66
-rw-r--r--drivers/gpu/drm/i915/intel_tv.c43
19 files changed, 402 insertions, 140 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 3601466c5502..4ff9b6cc973f 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -865,7 +865,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused)
int max_freq;
/* RPSTAT1 is in the GT power well */
- __gen6_force_wake_get(dev_priv);
+ __gen6_gt_force_wake_get(dev_priv);
seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status);
seq_printf(m, "RPSTAT1: 0x%08x\n", I915_READ(GEN6_RPSTAT1));
@@ -888,7 +888,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused)
seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n",
max_freq * 100);
- __gen6_force_wake_put(dev_priv);
+ __gen6_gt_force_wake_put(dev_priv);
} else {
seq_printf(m, "no P-state info available\n");
}
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 17bd766f2081..e33d9be7df3b 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1895,6 +1895,17 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
if (IS_GEN2(dev))
dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30));
+ /* 965GM sometimes incorrectly writes to hardware status page (HWS)
+ * using 32bit addressing, overwriting memory if HWS is located
+ * above 4GB.
+ *
+ * The documentation also mentions an issue with undefined
+ * behaviour if any general state is accessed within a page above 4GB,
+ * which also needs to be handled carefully.
+ */
+ if (IS_BROADWATER(dev) || IS_CRESTLINE(dev))
+ dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(32));
+
mmio_bar = IS_GEN2(dev) ? 1 : 0;
dev_priv->regs = pci_iomap(dev->pdev, mmio_bar, 0);
if (!dev_priv->regs) {
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index cfb56d0ff367..22ec066adae6 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -46,6 +46,12 @@ module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
unsigned int i915_powersave = 1;
module_param_named(powersave, i915_powersave, int, 0600);
+unsigned int i915_semaphores = 0;
+module_param_named(semaphores, i915_semaphores, int, 0600);
+
+unsigned int i915_enable_rc6 = 0;
+module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
+
unsigned int i915_lvds_downclock = 0;
module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
@@ -251,7 +257,7 @@ void intel_detect_pch (struct drm_device *dev)
}
}
-void __gen6_force_wake_get(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
{
int count;
@@ -267,12 +273,22 @@ void __gen6_force_wake_get(struct drm_i915_private *dev_priv)
udelay(10);
}
-void __gen6_force_wake_put(struct drm_i915_private *dev_priv)
+void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
{
I915_WRITE_NOTRACE(FORCEWAKE, 0);
POSTING_READ(FORCEWAKE);
}
+void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
+{
+ int loop = 500;
+ u32 fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);
+ while (fifo < 20 && loop--) {
+ udelay(10);
+ fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);
+ }
+}
+
static int i915_drm_freeze(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -360,7 +376,7 @@ static int i915_drm_thaw(struct drm_device *dev)
/* Resume the modeset for every activated CRTC */
drm_helper_resume_force_mode(dev);
- if (dev_priv->renderctx && dev_priv->pwrctx)
+ if (IS_IRONLAKE_M(dev))
ironlake_enable_rc6(dev);
}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a0149c619cdd..456f40484838 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -956,8 +956,10 @@ extern struct drm_ioctl_desc i915_ioctls[];
extern int i915_max_ioctl;
extern unsigned int i915_fbpercrtc;
extern unsigned int i915_powersave;
+extern unsigned int i915_semaphores;
extern unsigned int i915_lvds_downclock;
extern unsigned int i915_panel_use_ssc;
+extern unsigned int i915_enable_rc6;
extern int i915_suspend(struct drm_device *dev, pm_message_t state);
extern int i915_resume(struct drm_device *dev);
@@ -1176,6 +1178,9 @@ void i915_gem_detach_phys_object(struct drm_device *dev,
void i915_gem_free_all_phys_object(struct drm_device *dev);
void i915_gem_release(struct drm_device *dev, struct drm_file *file);
+uint32_t
+i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj);
+
/* i915_gem_gtt.c */
void i915_gem_restore_gtt_mappings(struct drm_device *dev);
int __must_check i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj);
@@ -1352,22 +1357,32 @@ __i915_write(64, q)
* must be set to prevent GT core from power down and stale values being
* returned.
*/
-void __gen6_force_wake_get(struct drm_i915_private *dev_priv);
-void __gen6_force_wake_put (struct drm_i915_private *dev_priv);
-static inline u32 i915_safe_read(struct drm_i915_private *dev_priv, u32 reg)
+void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv);
+void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv);
+void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv);
+
+static inline u32 i915_gt_read(struct drm_i915_private *dev_priv, u32 reg)
{
u32 val;
if (dev_priv->info->gen >= 6) {
- __gen6_force_wake_get(dev_priv);
+ __gen6_gt_force_wake_get(dev_priv);
val = I915_READ(reg);
- __gen6_force_wake_put(dev_priv);
+ __gen6_gt_force_wake_put(dev_priv);
} else
val = I915_READ(reg);
return val;
}
+static inline void i915_gt_write(struct drm_i915_private *dev_priv,
+ u32 reg, u32 val)
+{
+ if (dev_priv->info->gen >= 6)
+ __gen6_gt_wait_for_fifo(dev_priv);
+ I915_WRITE(reg, val);
+}
+
static inline void
i915_write(struct drm_i915_private *dev_priv, u32 reg, u64 val, int len)
{
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index cf4f74c7c6fb..36e66cc5225e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1398,7 +1398,7 @@ i915_gem_get_gtt_alignment(struct drm_i915_gem_object *obj)
* Return the required GTT alignment for an object, only taking into account
* unfenced tiled surface requirements.
*/
-static uint32_t
+uint32_t
i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj)
{
struct drm_device *dev = obj->base.dev;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index d2f445e825f2..50ab1614571c 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -772,8 +772,8 @@ i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
if (from == NULL || to == from)
return 0;
- /* XXX gpu semaphores are currently causing hard hangs on SNB mobile */
- if (INTEL_INFO(obj->base.dev)->gen < 6 || IS_MOBILE(obj->base.dev))
+ /* XXX gpu semaphores are implicated in various hard hangs on SNB */
+ if (INTEL_INFO(obj->base.dev)->gen < 6 || !i915_semaphores)
return i915_gem_object_wait_rendering(obj, true);
idx = intel_ring_sync_index(from, to);
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 22a32b9932c5..d64843e18df2 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -349,14 +349,27 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
(obj->gtt_offset + obj->base.size <= dev_priv->mm.gtt_mappable_end &&
i915_gem_object_fence_ok(obj, args->tiling_mode));
- obj->tiling_changed = true;
- obj->tiling_mode = args->tiling_mode;
- obj->stride = args->stride;
+ /* Rebind if we need a change of alignment */
+ if (!obj->map_and_fenceable) {
+ u32 unfenced_alignment =
+ i915_gem_get_unfenced_gtt_alignment(obj);
+ if (obj->gtt_offset & (unfenced_alignment - 1))
+ ret = i915_gem_object_unbind(obj);
+ }
+
+ if (ret == 0) {
+ obj->tiling_changed = true;
+ obj->tiling_mode = args->tiling_mode;
+ obj->stride = args->stride;
+ }
}
+ /* we have to maintain this existing ABI... */
+ args->stride = obj->stride;
+ args->tiling_mode = obj->tiling_mode;
drm_gem_object_unreference(&obj->base);
mutex_unlock(&dev->struct_mutex);
- return 0;
+ return ret;
}
/**
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 97f946dcc1aa..8a9e08bf1cf7 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -316,6 +316,8 @@ static void i915_hotplug_work_func(struct work_struct *work)
struct drm_mode_config *mode_config = &dev->mode_config;
struct intel_encoder *encoder;
+ DRM_DEBUG_KMS("running encoder hotplug functions\n");
+
list_for_each_entry(encoder, &mode_config->encoder_list, base.head)
if (encoder->hot_plug)
encoder->hot_plug(encoder);
@@ -1649,9 +1651,7 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
} else {
hotplug_mask = SDE_CRT_HOTPLUG | SDE_PORTB_HOTPLUG |
SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG;
- hotplug_mask |= SDE_AUX_MASK | SDE_FDI_MASK | SDE_TRANS_MASK;
- I915_WRITE(FDI_RXA_IMR, 0);
- I915_WRITE(FDI_RXB_IMR, 0);
+ hotplug_mask |= SDE_AUX_MASK;
}
dev_priv->pch_irq_mask = ~hotplug_mask;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5cfc68940f17..2abe240dae58 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -174,7 +174,9 @@
* address/value pairs. Don't overdue it, though, x <= 2^4 must hold!
*/
#define MI_LOAD_REGISTER_IMM(x) MI_INSTR(0x22, 2*x-1)
-#define MI_FLUSH_DW MI_INSTR(0x26, 2) /* for GEN6 */
+#define MI_FLUSH_DW MI_INSTR(0x26, 1) /* for GEN6 */
+#define MI_INVALIDATE_TLB (1<<18)
+#define MI_INVALIDATE_BSD (1<<7)
#define MI_BATCH_BUFFER MI_INSTR(0x30, 1)
#define MI_BATCH_NON_SECURE (1)
#define MI_BATCH_NON_SECURE_I965 (1<<8)
@@ -3269,6 +3271,8 @@
#define FORCEWAKE 0xA18C
#define FORCEWAKE_ACK 0x130090
+#define GT_FIFO_FREE_ENTRIES 0x120008
+
#define GEN6_RPNSWREQ 0xA008
#define GEN6_TURBO_DISABLE (1<<31)
#define GEN6_FREQUENCY(x) ((x)<<25)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 7e42aa586504..49fb54fd9a18 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1219,7 +1219,7 @@ static void sandybridge_blit_fbc_update(struct drm_device *dev)
u32 blt_ecoskpd;
/* Make sure blitter notifies FBC of writes */
- __gen6_force_wake_get(dev_priv);
+ __gen6_gt_force_wake_get(dev_priv);
blt_ecoskpd = I915_READ(GEN6_BLITTER_ECOSKPD);
blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY <<
GEN6_BLITTER_LOCK_SHIFT;
@@ -1230,7 +1230,7 @@ static void sandybridge_blit_fbc_update(struct drm_device *dev)
GEN6_BLITTER_LOCK_SHIFT);
I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
POSTING_READ(GEN6_BLITTER_ECOSKPD);
- __gen6_force_wake_put(dev_priv);
+ __gen6_gt_force_wake_put(dev_priv);
}
static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
@@ -1630,19 +1630,19 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_i915_gem_object *obj = to_intel_framebuffer(old_fb)->obj;
wait_event(dev_priv->pending_flip_queue,
+ atomic_read(&dev_priv->mm.wedged) ||
atomic_read(&obj->pending_flip) == 0);
/* Big Hammer, we also need to ensure that any pending
* MI_WAIT_FOR_EVENT inside a user batch buffer on the
* current scanout is retired before unpinning the old
* framebuffer.
+ *
+ * This should only fail upon a hung GPU, in which case we
+ * can safely continue.
*/
ret = i915_gem_object_flush_gpu(obj, false);
- if (ret) {
- i915_gem_object_unpin(to_intel_framebuffer(crtc->fb)->obj);
- mutex_unlock(&dev->struct_mutex);
- return ret;
- }
+ (void) ret;
}
ret = intel_pipe_set_base_atomic(crtc, crtc->fb, x, y,
@@ -2045,6 +2045,31 @@ static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc)
atomic_read(&obj->pending_flip) == 0);
}
+static bool intel_crtc_driving_pch(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct intel_encoder *encoder;
+
+ /*
+ * If there's a non-PCH eDP on this crtc, it must be DP_A, and that
+ * must be driven by its own crtc; no sharing is possible.
+ */
+ list_for_each_entry(encoder, &mode_config->encoder_list, base.head) {
+ if (encoder->base.crtc != crtc)
+ continue;
+
+ switch (encoder->type) {
+ case INTEL_OUTPUT_EDP:
+ if (!intel_encoder_is_pch_edp(&encoder->base))
+ return false;
+ continue;
+ }
+ }
+
+ return true;
+}
+
static void ironlake_crtc_enable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
@@ -2053,6 +2078,7 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
u32 reg, temp;
+ bool is_pch_port = false;
if (intel_crtc->active)
return;
@@ -2066,7 +2092,56 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
I915_WRITE(PCH_LVDS, temp | LVDS_PORT_EN);
}
- ironlake_fdi_enable(crtc);
+ is_pch_port = intel_crtc_driving_pch(crtc);
+
+ if (is_pch_port)
+ ironlake_fdi_enable(crtc);
+ else {
+ /* disable CPU FDI tx and PCH FDI rx */
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+ I915_WRITE(reg, temp & ~FDI_TX_ENABLE);
+ POSTING_READ(reg);
+
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
+ temp &= ~(0x7 << 16);
+ temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
+ I915_WRITE(reg, temp & ~FDI_RX_ENABLE);
+
+ POSTING_READ(reg);
+ udelay(100);
+
+ /* Ironlake workaround, disable clock pointer after downing FDI */
+ if (HAS_PCH_IBX(dev))
+ I915_WRITE(FDI_RX_CHICKEN(pipe),
+ I915_READ(FDI_RX_CHICKEN(pipe) &
+ ~FDI_RX_PHASE_SYNC_POINTER_ENABLE));
+
+ /* still set train pattern 1 */
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_1;
+ I915_WRITE(reg, temp);
+
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
+ if (HAS_PCH_CPT(dev)) {
+ temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+ temp |= FDI_LINK_TRAIN_PATTERN_1_CPT;
+ } else {
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_1;
+ }
+ /* BPC in FDI rx is consistent with that in PIPECONF */
+ temp &= ~(0x07 << 16);
+ temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
+ I915_WRITE(reg, temp);
+
+ POSTING_READ(reg);
+ udelay(100);
+ }
/* Enable panel fitting for LVDS */
if (dev_priv->pch_pf_size &&
@@ -2100,6 +2175,10 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
intel_flush_display_plane(dev, plane);
}
+ /* Skip the PCH stuff if possible */
+ if (!is_pch_port)
+ goto done;
+
/* For PCH output, training FDI link */
if (IS_GEN6(dev))
gen6_fdi_link_train(crtc);
@@ -2184,7 +2263,7 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
I915_WRITE(reg, temp | TRANS_ENABLE);
if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100))
DRM_ERROR("failed to enable transcoder %d\n", pipe);
-
+done:
intel_crtc_load_lut(crtc);
intel_update_fbc(dev);
intel_crtc_update_cursor(crtc, true);
@@ -5558,9 +5637,7 @@ static void intel_crtc_reset(struct drm_crtc *crtc)
/* Reset flags back to the 'unknown' status so that they
* will be correctly set on the initial modeset.
*/
- intel_crtc->cursor_addr = 0;
intel_crtc->dpms_mode = -1;
- intel_crtc->active = true; /* force the pipe off on setup_init_config */
}
static struct drm_crtc_helper_funcs intel_helper_funcs = {
@@ -5666,6 +5743,7 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base;
intel_crtc_reset(&intel_crtc->base);
+ intel_crtc->active = true; /* force the pipe off on setup_init_config */
if (HAS_PCH_SPLIT(dev)) {
intel_helper_funcs.prepare = ironlake_crtc_prepare;
@@ -6204,7 +6282,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
* userspace...
*/
I915_WRITE(GEN6_RC_STATE, 0);
- __gen6_force_wake_get(dev_priv);
+ __gen6_gt_force_wake_get(dev_priv);
/* disable the counters and set deterministic thresholds */
I915_WRITE(GEN6_RC_CONTROL, 0);
@@ -6302,7 +6380,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
/* enable all PM interrupts */
I915_WRITE(GEN6_PMINTRMSK, 0);
- __gen6_force_wake_put(dev_priv);
+ __gen6_gt_force_wake_put(dev_priv);
}
void intel_enable_clock_gating(struct drm_device *dev)
@@ -6463,52 +6541,60 @@ void intel_enable_clock_gating(struct drm_device *dev)
}
}
-void intel_disable_clock_gating(struct drm_device *dev)
+static void ironlake_teardown_rc6(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (dev_priv->renderctx) {
- struct drm_i915_gem_object *obj = dev_priv->renderctx;
-
- I915_WRITE(CCID, 0);
- POSTING_READ(CCID);
-
- i915_gem_object_unpin(obj);
- drm_gem_object_unreference(&obj->base);
+ i915_gem_object_unpin(dev_priv->renderctx);
+ drm_gem_object_unreference(&dev_priv->renderctx->base);
dev_priv->renderctx = NULL;
}
if (dev_priv->pwrctx) {
- struct drm_i915_gem_object *obj = dev_priv->pwrctx;
+ i915_gem_object_unpin(dev_priv->pwrctx);
+ drm_gem_object_unreference(&dev_priv->pwrctx->base);
+ dev_priv->pwrctx = NULL;
+ }
+}
+
+static void ironlake_disable_rc6(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (I915_READ(PWRCTXA)) {
+ /* Wake the GPU, prevent RC6, then restore RSTDBYCTL */
+ I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) | RCX_SW_EXIT);
+ wait_for(((I915_READ(RSTDBYCTL) & RSX_STATUS_MASK) == RSX_STATUS_ON),
+ 50);
I915_WRITE(PWRCTXA, 0);
POSTING_READ(PWRCTXA);
- i915_gem_object_unpin(obj);
- drm_gem_object_unreference(&obj->base);
- dev_priv->pwrctx = NULL;
+ I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) & ~RCX_SW_EXIT);
+ POSTING_READ(RSTDBYCTL);
}
+
+ ironlake_teardown_rc6(dev);
}
-static void ironlake_disable_rc6(struct drm_device *dev)
+static int ironlake_setup_rc6(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- /* Wake the GPU, prevent RC6, then restore RSTDBYCTL */
- I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) | RCX_SW_EXIT);
- wait_for(((I915_READ(RSTDBYCTL) & RSX_STATUS_MASK) == RSX_STATUS_ON),
- 10);
- POSTING_READ(CCID);
- I915_WRITE(PWRCTXA, 0);
- POSTING_READ(PWRCTXA);
- I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) & ~RCX_SW_EXIT);
- POSTING_READ(RSTDBYCTL);
- i915_gem_object_unpin(dev_priv->renderctx);
- drm_gem_object_unreference(&dev_priv->renderctx->base);
- dev_priv->renderctx = NULL;
- i915_gem_object_unpin(dev_priv->pwrctx);
- drm_gem_object_unreference(&dev_priv->pwrctx->base);
- dev_priv->pwrctx = NULL;
+ if (dev_priv->renderctx == NULL)
+ dev_priv->renderctx = intel_alloc_context_page(dev);
+ if (!dev_priv->renderctx)
+ return -ENOMEM;
+
+ if (dev_priv->pwrctx == NULL)
+ dev_priv->pwrctx = intel_alloc_context_page(dev);
+ if (!dev_priv->pwrctx) {
+ ironlake_teardown_rc6(dev);
+ return -ENOMEM;
+ }
+
+ return 0;
}
void ironlake_enable_rc6(struct drm_device *dev)
@@ -6516,15 +6602,26 @@ void ironlake_enable_rc6(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
+ /* rc6 disabled by default due to repeated reports of hanging during
+ * boot and resume.
+ */
+ if (!i915_enable_rc6)
+ return;
+
+ ret = ironlake_setup_rc6(dev);
+ if (ret)
+ return;
+
/*
* GPU can automatically power down the render unit if given a page
* to save state.
*/
ret = BEGIN_LP_RING(6);
if (ret) {
- ironlake_disable_rc6(dev);
+ ironlake_teardown_rc6(dev);
return;
}
+
OUT_RING(MI_SUSPEND_FLUSH | MI_SUSPEND_FLUSH_EN);
OUT_RING(MI_SET_CONTEXT);
OUT_RING(dev_priv->renderctx->gtt_offset |
@@ -6541,6 +6638,7 @@ void ironlake_enable_rc6(struct drm_device *dev)
I915_WRITE(RSTDBYCTL, I915_READ(RSTDBYCTL) & ~RCX_SW_EXIT);
}
+
/* Set up chip specific display functions */
static void intel_init_display(struct drm_device *dev)
{
@@ -6783,21 +6881,9 @@ void intel_modeset_init(struct drm_device *dev)
if (IS_GEN6(dev))
gen6_enable_rps(dev_priv);
- if (IS_IRONLAKE_M(dev)) {
- dev_priv->renderctx = intel_alloc_context_page(dev);
- if (!dev_priv->renderctx)
- goto skip_rc6;
- dev_priv->pwrctx = intel_alloc_context_page(dev);
- if (!dev_priv->pwrctx) {
- i915_gem_object_unpin(dev_priv->renderctx);
- drm_gem_object_unreference(&dev_priv->renderctx->base);
- dev_priv->renderctx = NULL;
- goto skip_rc6;
- }
+ if (IS_IRONLAKE_M(dev))
ironlake_enable_rc6(dev);
- }
-skip_rc6:
INIT_WORK(&dev_priv->idle_work, intel_idle_update);
setup_timer(&dev_priv->idle_timer, intel_gpu_idle_timer,
(unsigned long)dev);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 1f4242b682c8..51cb4e36997f 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1639,6 +1639,24 @@ static int intel_dp_get_modes(struct drm_connector *connector)
return 0;
}
+static bool
+intel_dp_detect_audio(struct drm_connector *connector)
+{
+ struct intel_dp *intel_dp = intel_attached_dp(connector);
+ struct edid *edid;
+ bool has_audio = false;
+
+ edid = drm_get_edid(connector, &intel_dp->adapter);
+ if (edid) {
+ has_audio = drm_detect_monitor_audio(edid);
+
+ connector->display_info.raw_edid = NULL;
+ kfree(edid);
+ }
+
+ return has_audio;
+}
+
static int
intel_dp_set_property(struct drm_connector *connector,
struct drm_property *property,
@@ -1652,17 +1670,23 @@ intel_dp_set_property(struct drm_connector *connector,
return ret;
if (property == intel_dp->force_audio_property) {
- if (val == intel_dp->force_audio)
+ int i = val;
+ bool has_audio;
+
+ if (i == intel_dp->force_audio)
return 0;
- intel_dp->force_audio = val;
+ intel_dp->force_audio = i;
- if (val > 0 && intel_dp->has_audio)
- return 0;
- if (val < 0 && !intel_dp->has_audio)
+ if (i == 0)
+ has_audio = intel_dp_detect_audio(connector);
+ else
+ has_audio = i > 0;
+
+ if (has_audio == intel_dp->has_audio)
return 0;
- intel_dp->has_audio = val > 0;
+ intel_dp->has_audio = has_audio;
goto done;
}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 74db2557d644..2c431049963c 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -298,7 +298,6 @@ 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_enable_clock_gating(struct drm_device *dev);
-extern void intel_disable_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 void gen6_enable_rps(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 0d0273e7b029..c635c9e357b9 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -251,6 +251,27 @@ static int intel_hdmi_get_modes(struct drm_connector *connector)
&dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
}
+static bool
+intel_hdmi_detect_audio(struct drm_connector *connector)
+{
+ struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+ struct drm_i915_private *dev_priv = connector->dev->dev_private;
+ struct edid *edid;
+ bool has_audio = false;
+
+ edid = drm_get_edid(connector,
+ &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
+ if (edid) {
+ if (edid->input & DRM_EDID_INPUT_DIGITAL)
+ has_audio = drm_detect_monitor_audio(edid);
+
+ connector->display_info.raw_edid = NULL;
+ kfree(edid);
+ }
+
+ return has_audio;
+}
+
static int
intel_hdmi_set_property(struct drm_connector *connector,
struct drm_property *property,
@@ -264,17 +285,23 @@ intel_hdmi_set_property(struct drm_connector *connector,
return ret;
if (property == intel_hdmi->force_audio_property) {
- if (val == intel_hdmi->force_audio)
+ int i = val;
+ bool has_audio;
+
+ if (i == intel_hdmi->force_audio)
return 0;
- intel_hdmi->force_audio = val;
+ intel_hdmi->force_audio = i;
- if (val > 0 && intel_hdmi->has_audio)
- return 0;
- if (val < 0 && !intel_hdmi->has_audio)
+ if (i == 0)
+ has_audio = intel_hdmi_detect_audio(connector);
+ else
+ has_audio = i > 0;
+
+ if (has_audio == intel_hdmi->has_audio)
return 0;
- intel_hdmi->has_audio = val > 0;
+ intel_hdmi->has_audio = has_audio;
goto done;
}
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index ace8d5d30dd2..bcdba7bd5cfa 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -261,12 +261,6 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
return true;
}
- /* Make sure pre-965s set dither correctly */
- if (INTEL_INFO(dev)->gen < 4) {
- if (dev_priv->lvds_dither)
- pfit_control |= PANEL_8TO6_DITHER_ENABLE;
- }
-
/* Native modes don't need fitting */
if (adjusted_mode->hdisplay == mode->hdisplay &&
adjusted_mode->vdisplay == mode->vdisplay)
@@ -374,10 +368,16 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
}
out:
+ /* If not enabling scaling, be consistent and always use 0. */
if ((pfit_control & PFIT_ENABLE) == 0) {
pfit_control = 0;
pfit_pgm_ratios = 0;
}
+
+ /* Make sure pre-965 set dither correctly */
+ if (INTEL_INFO(dev)->gen < 4 && dev_priv->lvds_dither)
+ pfit_control |= PANEL_8TO6_DITHER_ENABLE;
+
if (pfit_control != intel_lvds->pfit_control ||
pfit_pgm_ratios != intel_lvds->pfit_pgm_ratios) {
intel_lvds->pfit_control = pfit_control;
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index c65992df458d..f8f86e57df22 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -208,7 +208,6 @@ u32 intel_panel_get_backlight(struct drm_device *dev)
val &= ~1;
pci_read_config_byte(dev->pdev, PCI_LBPC, &lbpc);
val *= lbpc;
- val >>= 1;
}
}
@@ -235,11 +234,11 @@ void intel_panel_set_backlight(struct drm_device *dev, u32 level)
if (is_backlight_combination_mode(dev)){
u32 max = intel_panel_get_max_backlight(dev);
- u8 lpbc;
+ u8 lbpc;
- lpbc = level * 0xfe / max + 1;
- level /= lpbc;
- pci_write_config_byte(dev->pdev, PCI_LBPC, lpbc);
+ lbpc = level * 0xfe / max + 1;
+ level /= lbpc;
+ pci_write_config_byte(dev->pdev, PCI_LBPC, lbpc);
}
tmp = I915_READ(BLC_PWM_CTL);
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 6218fa97aa1e..445f27efe677 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1059,22 +1059,25 @@ static void gen6_bsd_ring_write_tail(struct intel_ring_buffer *ring,
}
static int gen6_ring_flush(struct intel_ring_buffer *ring,
- u32 invalidate_domains,
- u32 flush_domains)
+ u32 invalidate, u32 flush)
{
+ uint32_t cmd;
int ret;
- if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
+ if (((invalidate | flush) & I915_GEM_GPU_DOMAINS) == 0)
return 0;
ret = intel_ring_begin(ring, 4);
if (ret)
return ret;
- intel_ring_emit(ring, MI_FLUSH_DW);
- intel_ring_emit(ring, 0);
+ cmd = MI_FLUSH_DW;
+ if (invalidate & I915_GEM_GPU_DOMAINS)
+ cmd |= MI_INVALIDATE_TLB | MI_INVALIDATE_BSD;
+ intel_ring_emit(ring, cmd);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
return 0;
}
@@ -1230,22 +1233,25 @@ static int blt_ring_begin(struct intel_ring_buffer *ring,
}
static int blt_ring_flush(struct intel_ring_buffer *ring,
- u32 invalidate_domains,
- u32 flush_domains)
+ u32 invalidate, u32 flush)
{
+ uint32_t cmd;
int ret;
- if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
+ if (((invalidate | flush) & I915_GEM_DOMAIN_RENDER) == 0)
return 0;
ret = blt_ring_begin(ring, 4);
if (ret)
return ret;
- intel_ring_emit(ring, MI_FLUSH_DW);
- intel_ring_emit(ring, 0);
+ cmd = MI_FLUSH_DW;
+ if (invalidate & I915_GEM_DOMAIN_RENDER)
+ cmd |= MI_INVALIDATE_TLB;
+ intel_ring_emit(ring, cmd);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
return 0;
}
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 6d6fde85a636..34306865a5df 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -14,22 +14,23 @@ struct intel_hw_status_page {
struct drm_i915_gem_object *obj;
};
-#define I915_RING_READ(reg) i915_safe_read(dev_priv, reg)
+#define I915_RING_READ(reg) i915_gt_read(dev_priv, reg)
+#define I915_RING_WRITE(reg, val) i915_gt_write(dev_priv, reg, val)
#define I915_READ_TAIL(ring) I915_RING_READ(RING_TAIL((ring)->mmio_base))
-#define I915_WRITE_TAIL(ring, val) I915_WRITE(RING_TAIL((ring)->mmio_base), val)
+#define I915_WRITE_TAIL(ring, val) I915_RING_WRITE(RING_TAIL((ring)->mmio_base), val)
#define I915_READ_START(ring) I915_RING_READ(RING_START((ring)->mmio_base))
-#define I915_WRITE_START(ring, val) I915_WRITE(RING_START((ring)->mmio_base), val)
+#define I915_WRITE_START(ring, val) I915_RING_WRITE(RING_START((ring)->mmio_base), val)
#define I915_READ_HEAD(ring) I915_RING_READ(RING_HEAD((ring)->mmio_base))
-#define I915_WRITE_HEAD(ring, val) I915_WRITE(RING_HEAD((ring)->mmio_base), val)
+#define I915_WRITE_HEAD(ring, val) I915_RING_WRITE(RING_HEAD((ring)->mmio_base), val)
#define I915_READ_CTL(ring) I915_RING_READ(RING_CTL((ring)->mmio_base))
-#define I915_WRITE_CTL(ring, val) I915_WRITE(RING_CTL((ring)->mmio_base), val)
+#define I915_WRITE_CTL(ring, val) I915_RING_WRITE(RING_CTL((ring)->mmio_base), val)
-#define I915_WRITE_IMR(ring, val) I915_WRITE(RING_IMR((ring)->mmio_base), val)
#define I915_READ_IMR(ring) I915_RING_READ(RING_IMR((ring)->mmio_base))
+#define I915_WRITE_IMR(ring, val) I915_RING_WRITE(RING_IMR((ring)->mmio_base), val)
#define I915_READ_NOPID(ring) I915_RING_READ(RING_NOPID((ring)->mmio_base))
#define I915_READ_SYNC_0(ring) I915_RING_READ(RING_SYNC_0((ring)->mmio_base))
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 6a09c1413d60..7c50cdce84f0 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -46,6 +46,7 @@
SDVO_TV_MASK)
#define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
+#define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
#define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
@@ -1359,7 +1360,8 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
}
- }
+ } else
+ status = connector_status_disconnected;
connector->display_info.raw_edid = NULL;
kfree(edid);
}
@@ -1407,10 +1409,25 @@ intel_sdvo_detect(struct drm_connector *connector, bool force)
if ((intel_sdvo_connector->output_flag & response) == 0)
ret = connector_status_disconnected;
- else if (response & SDVO_TMDS_MASK)
+ else if (IS_TMDS(intel_sdvo_connector))
ret = intel_sdvo_hdmi_sink_detect(connector);
- else
- ret = connector_status_connected;
+ else {
+ struct edid *edid;
+
+ /* if we have an edid check it matches the connection */
+ edid = intel_sdvo_get_edid(connector);
+ if (edid == NULL)
+ edid = intel_sdvo_get_analog_edid(connector);
+ if (edid != NULL) {
+ if (edid->input & DRM_EDID_INPUT_DIGITAL)
+ ret = connector_status_disconnected;
+ else
+ ret = connector_status_connected;
+ connector->display_info.raw_edid = NULL;
+ kfree(edid);
+ } else
+ ret = connector_status_connected;
+ }
/* May update encoder flag for like clock for SDVO TV, etc.*/
if (ret == connector_status_connected) {
@@ -1446,10 +1463,15 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
edid = intel_sdvo_get_analog_edid(connector);
if (edid != NULL) {
- if (edid->input & DRM_EDID_INPUT_DIGITAL) {
+ struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
+ bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+ bool connector_is_digital = !!IS_TMDS(intel_sdvo_connector);
+
+ if (connector_is_digital == monitor_is_digital) {
drm_mode_connector_update_edid_property(connector, edid);
drm_add_edid_modes(connector, edid);
}
+
connector->display_info.raw_edid = NULL;
kfree(edid);
}
@@ -1668,6 +1690,22 @@ static void intel_sdvo_destroy(struct drm_connector *connector)
kfree(connector);
}
+static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
+{
+ struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
+ struct edid *edid;
+ bool has_audio = false;
+
+ if (!intel_sdvo->is_hdmi)
+ return false;
+
+ edid = intel_sdvo_get_edid(connector);
+ if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
+ has_audio = drm_detect_monitor_audio(edid);
+
+ return has_audio;
+}
+
static int
intel_sdvo_set_property(struct drm_connector *connector,
struct drm_property *property,
@@ -1684,17 +1722,23 @@ intel_sdvo_set_property(struct drm_connector *connector,
return ret;
if (property == intel_sdvo_connector->force_audio_property) {
- if (val == intel_sdvo_connector->force_audio)
+ int i = val;
+ bool has_audio;
+
+ if (i == intel_sdvo_connector->force_audio)
return 0;
- intel_sdvo_connector->force_audio = val;
+ intel_sdvo_connector->force_audio = i;
- if (val > 0 && intel_sdvo->has_hdmi_audio)
- return 0;
- if (val < 0 && !intel_sdvo->has_hdmi_audio)
+ if (i == 0)
+ has_audio = intel_sdvo_detect_hdmi_audio(connector);
+ else
+ has_audio = i > 0;
+
+ if (has_audio == intel_sdvo->has_hdmi_audio)
return 0;
- intel_sdvo->has_hdmi_audio = val > 0;
+ intel_sdvo->has_hdmi_audio = has_audio;
goto done;
}
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 93206e4eaa6f..fe4a53a50b83 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1234,7 +1234,8 @@ static const struct drm_display_mode reported_modes[] = {
* \return false if TV is disconnected.
*/
static int
-intel_tv_detect_type (struct intel_tv *intel_tv)
+intel_tv_detect_type (struct intel_tv *intel_tv,
+ struct drm_connector *connector)
{
struct drm_encoder *encoder = &intel_tv->base.base;
struct drm_device *dev = encoder->dev;
@@ -1245,11 +1246,13 @@ intel_tv_detect_type (struct intel_tv *intel_tv)
int type;
/* Disable TV interrupts around load detect or we'll recurse */
- spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
- i915_disable_pipestat(dev_priv, 0,
- PIPE_HOTPLUG_INTERRUPT_ENABLE |
- PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
- spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+ if (connector->polled & DRM_CONNECTOR_POLL_HPD) {
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ i915_disable_pipestat(dev_priv, 0,
+ PIPE_HOTPLUG_INTERRUPT_ENABLE |
+ PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+ }
save_tv_dac = tv_dac = I915_READ(TV_DAC);
save_tv_ctl = tv_ctl = I915_READ(TV_CTL);
@@ -1302,11 +1305,13 @@ intel_tv_detect_type (struct intel_tv *intel_tv)
I915_WRITE(TV_CTL, save_tv_ctl);
/* Restore interrupt config */
- spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
- i915_enable_pipestat(dev_priv, 0,
- PIPE_HOTPLUG_INTERRUPT_ENABLE |
- PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
- spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+ if (connector->polled & DRM_CONNECTOR_POLL_HPD) {
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ i915_enable_pipestat(dev_priv, 0,
+ PIPE_HOTPLUG_INTERRUPT_ENABLE |
+ PIPE_HOTPLUG_TV_INTERRUPT_ENABLE);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+ }
return type;
}
@@ -1356,7 +1361,7 @@ intel_tv_detect(struct drm_connector *connector, bool force)
drm_mode_set_crtcinfo(&mode, CRTC_INTERLACE_HALVE_V);
if (intel_tv->base.base.crtc && intel_tv->base.base.crtc->enabled) {
- type = intel_tv_detect_type(intel_tv);
+ type = intel_tv_detect_type(intel_tv, connector);
} else if (force) {
struct drm_crtc *crtc;
int dpms_mode;
@@ -1364,7 +1369,7 @@ intel_tv_detect(struct drm_connector *connector, bool force)
crtc = intel_get_load_detect_pipe(&intel_tv->base, connector,
&mode, &dpms_mode);
if (crtc) {
- type = intel_tv_detect_type(intel_tv);
+ type = intel_tv_detect_type(intel_tv, connector);
intel_release_load_detect_pipe(&intel_tv->base, connector,
dpms_mode);
} else
@@ -1658,6 +1663,18 @@ intel_tv_init(struct drm_device *dev)
intel_encoder = &intel_tv->base;
connector = &intel_connector->base;
+ /* The documentation, for the older chipsets at least, recommend
+ * using a polling method rather than hotplug detection for TVs.
+ * This is because in order to perform the hotplug detection, the PLLs
+ * for the TV must be kept alive increasing power drain and starving
+ * bandwidth from other encoders. Notably for instance, it causes
+ * pipe underruns on Crestline when this encoder is supposedly idle.
+ *
+ * More recent chipsets favour HDMI rather than integrated S-Video.
+ */
+ connector->polled =
+ DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
+
drm_connector_init(dev, connector, &intel_tv_connector_funcs,
DRM_MODE_CONNECTOR_SVIDEO);