diff --git a/drivers/gpu/drm/i915/dvo_tfp410.c b/drivers/gpu/drm/i915/dvo_tfp410.c index 66c697bc9b2274abb8701ffa63a42b1782bb3297..56f66426207f0a1a293dcb073360985d328fd85e 100644 --- a/drivers/gpu/drm/i915/dvo_tfp410.c +++ b/drivers/gpu/drm/i915/dvo_tfp410.c @@ -208,7 +208,7 @@ static enum drm_connector_status tfp410_detect(struct intel_dvo_device *dvo) uint8_t ctl2; if (tfp410_readb(dvo, TFP410_CTL_2, &ctl2)) { - if (ctl2 & TFP410_CTL_2_HTPLG) + if (ctl2 & TFP410_CTL_2_RSEN) ret = connector_status_connected; else ret = connector_status_disconnected; diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 52510ad8b25d3e89f7f920af0a65978512b28209..aee83fa178f6a6dc60c7273eaaae29b43dbe000d 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -620,7 +620,7 @@ static int i915_sr_status(struct seq_file *m, void *unused) drm_i915_private_t *dev_priv = dev->dev_private; bool sr_enabled = false; - if (IS_I965G(dev) || IS_I945G(dev) || IS_I945GM(dev)) + if (IS_I965GM(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; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 59a2bf8592ece73672c403ef3744c4bdeb715c04..f00c5ae9556ccb47358ce1f5267dd9cc5cb17a21 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -128,9 +128,11 @@ static int i915_dma_cleanup(struct drm_device * dev) if (dev->irq_enabled) drm_irq_uninstall(dev); + mutex_lock(&dev->struct_mutex); intel_cleanup_ring_buffer(dev, &dev_priv->render_ring); if (HAS_BSD(dev)) intel_cleanup_ring_buffer(dev, &dev_priv->bsd_ring); + mutex_unlock(&dev->struct_mutex); /* Clear the HWS virtual address at teardown */ if (I915_NEED_GFX_HWS(dev)) @@ -1229,7 +1231,7 @@ static void i915_warn_stolen(struct drm_device *dev) static void i915_setup_compression(struct drm_device *dev, int size) { struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_mm_node *compressed_fb, *compressed_llb; + struct drm_mm_node *compressed_fb, *uninitialized_var(compressed_llb); unsigned long cfb_base; unsigned long ll_base = 0; @@ -1410,6 +1412,10 @@ static int i915_load_modeset_init(struct drm_device *dev, if (ret) goto cleanup_vga_client; + /* IIR "flip pending" bit means done if this bit is set */ + if (IS_GEN3(dev) && (I915_READ(ECOSKPD) & ECO_FLIP_DONE)) + dev_priv->flip_pending_is_done = true; + intel_modeset_init(dev); ret = drm_irq_install(dev); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 2765831598479b8d9e0bb72712d3ca71ce9a95e2..d147ab2f5bfcabfc8bc82cd5ccdea93064fa4cf0 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -596,6 +596,7 @@ typedef struct drm_i915_private { struct drm_crtc *plane_to_crtc_mapping[2]; struct drm_crtc *pipe_to_crtc_mapping[2]; wait_queue_head_t pending_flip_queue; + bool flip_pending_is_done; /* Reclocking support */ bool render_reclock_avail; @@ -1076,7 +1077,7 @@ extern int intel_trans_dp_port_sel (struct drm_crtc *crtc); drm_i915_private_t *dev_priv = dev->dev_private; \ if (I915_VERBOSE) \ DRM_DEBUG(" BEGIN_LP_RING %x\n", (int)(n)); \ - intel_ring_begin(dev, &dev_priv->render_ring, 4*(n)); \ + intel_ring_begin(dev, &dev_priv->render_ring, (n)); \ } while (0) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 2479be001e405c821345750d5b384ec41c79759c..dba53d4b9fb3a11b7b76194e0fa6aec97211e966 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -940,22 +940,30 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) if (HAS_BSD(dev) && (iir & I915_BSD_USER_INTERRUPT)) DRM_WAKEUP(&dev_priv->bsd_ring.irq_queue); - if (iir & I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT) + if (iir & I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT) { intel_prepare_page_flip(dev, 0); + if (dev_priv->flip_pending_is_done) + intel_finish_page_flip_plane(dev, 0); + } - if (iir & I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT) + if (iir & I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT) { intel_prepare_page_flip(dev, 1); + if (dev_priv->flip_pending_is_done) + intel_finish_page_flip_plane(dev, 1); + } if (pipea_stats & vblank_status) { vblank++; drm_handle_vblank(dev, 0); - intel_finish_page_flip(dev, 0); + if (!dev_priv->flip_pending_is_done) + intel_finish_page_flip(dev, 0); } if (pipeb_stats & vblank_status) { vblank++; drm_handle_vblank(dev, 1); - intel_finish_page_flip(dev, 1); + if (!dev_priv->flip_pending_is_done) + intel_finish_page_flip(dev, 1); } if ((pipea_stats & I915_LEGACY_BLC_EVENT_STATUS) || @@ -1387,29 +1395,10 @@ int i915_driver_irq_postinstall(struct drm_device *dev) dev_priv->pipestat[1] = 0; if (I915_HAS_HOTPLUG(dev)) { - u32 hotplug_en = I915_READ(PORT_HOTPLUG_EN); - - /* Note HDMI and DP share bits */ - if (dev_priv->hotplug_supported_mask & HDMIB_HOTPLUG_INT_STATUS) - hotplug_en |= HDMIB_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & HDMIC_HOTPLUG_INT_STATUS) - hotplug_en |= HDMIC_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & HDMID_HOTPLUG_INT_STATUS) - hotplug_en |= HDMID_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS) - hotplug_en |= SDVOC_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS) - hotplug_en |= SDVOB_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & CRT_HOTPLUG_INT_STATUS) - hotplug_en |= CRT_HOTPLUG_INT_EN; - /* Ignore TV since it's buggy */ - - I915_WRITE(PORT_HOTPLUG_EN, hotplug_en); - /* Enable in IER... */ enable_mask |= I915_DISPLAY_PORT_INTERRUPT; /* and unmask in IMR */ - i915_enable_irq(dev_priv, I915_DISPLAY_PORT_INTERRUPT); + dev_priv->irq_mask_reg &= ~I915_DISPLAY_PORT_INTERRUPT; } /* @@ -1427,16 +1416,41 @@ int i915_driver_irq_postinstall(struct drm_device *dev) } I915_WRITE(EMR, error_mask); - /* Disable pipe interrupt enables, clear pending pipe status */ - I915_WRITE(PIPEASTAT, I915_READ(PIPEASTAT) & 0x8000ffff); - I915_WRITE(PIPEBSTAT, I915_READ(PIPEBSTAT) & 0x8000ffff); - /* Clear pending interrupt status */ - I915_WRITE(IIR, I915_READ(IIR)); - - I915_WRITE(IER, enable_mask); I915_WRITE(IMR, dev_priv->irq_mask_reg); + I915_WRITE(IER, enable_mask); (void) I915_READ(IER); + if (I915_HAS_HOTPLUG(dev)) { + u32 hotplug_en = I915_READ(PORT_HOTPLUG_EN); + + /* Note HDMI and DP share bits */ + if (dev_priv->hotplug_supported_mask & HDMIB_HOTPLUG_INT_STATUS) + hotplug_en |= HDMIB_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & HDMIC_HOTPLUG_INT_STATUS) + hotplug_en |= HDMIC_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & HDMID_HOTPLUG_INT_STATUS) + hotplug_en |= HDMID_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS) + hotplug_en |= SDVOC_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS) + hotplug_en |= SDVOB_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & CRT_HOTPLUG_INT_STATUS) { + hotplug_en |= CRT_HOTPLUG_INT_EN; + + /* Programming the CRT detection parameters tends + to generate a spurious hotplug event about three + seconds later. So just do it once. + */ + if (IS_G4X(dev)) + hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; + hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; + } + + /* Ignore TV since it's buggy */ + + I915_WRITE(PORT_HOTPLUG_EN, hotplug_en); + } + opregion_enable_asle(dev); return 0; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 64b0a3afd92bcd8cdb11c71ba455edbad156396e..150400f405346de04d5693bfedc91d36f0a85a2c 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -178,6 +178,7 @@ #define MI_OVERLAY_OFF (0x2<<21) #define MI_LOAD_SCAN_LINES_INCL MI_INSTR(0x12, 0) #define MI_DISPLAY_FLIP MI_INSTR(0x14, 2) +#define MI_DISPLAY_FLIP_I915 MI_INSTR(0x14, 1) #define MI_DISPLAY_FLIP_PLANE(n) ((n) << 20) #define MI_STORE_DWORD_IMM MI_INSTR(0x20, 1) #define MI_MEM_VIRTUAL (1 << 22) /* 965+ only */ @@ -368,6 +369,9 @@ #define CM0_RC_OP_FLUSH_DISABLE (1<<0) #define BB_ADDR 0x02140 /* 8 bytes */ #define GFX_FLSH_CNTL 0x02170 /* 915+ only */ +#define ECOSKPD 0x021d0 +#define ECO_GATING_CX_ONLY (1<<3) +#define ECO_FLIP_DONE (1<<0) /* GEN6 interrupt control */ #define GEN6_RENDER_HWSTAM 0x2098 @@ -1130,7 +1134,6 @@ #define CRT_HOTPLUG_DETECT_DELAY_2G (1 << 4) #define CRT_HOTPLUG_DETECT_VOLTAGE_325MV (0 << 2) #define CRT_HOTPLUG_DETECT_VOLTAGE_475MV (1 << 2) -#define CRT_HOTPLUG_MASK (0x3fc) /* Bits 9-2 */ #define PORT_HOTPLUG_STAT 0x61114 #define HDMIB_HOTPLUG_INT_STATUS (1 << 29) diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 22ff38455731ae00b5b5446d5472391935d6c5bf..ee0732b222a1a5e6e9e6fe0ae50c001867006298 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -234,14 +234,8 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector) else tries = 1; hotplug_en = orig = I915_READ(PORT_HOTPLUG_EN); - hotplug_en &= CRT_HOTPLUG_MASK; hotplug_en |= CRT_HOTPLUG_FORCE_DETECT; - if (IS_G4X(dev)) - hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; - - hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; - for (i = 0; i < tries ; i++) { unsigned long timeout; /* turn on the FORCE_DETECT */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index cc8131ff319f3f0d243a15c0ddd924c1a93b8147..68dcf36e2793f51fa42aeecb9b67037aa8515205 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2970,11 +2970,13 @@ static void i965_update_wm(struct drm_device *dev, int planea_clock, if (srwm < 0) srwm = 1; srwm &= 0x3f; - I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN); + if (IS_I965GM(dev)) + I915_WRITE(FW_BLC_SELF, FW_BLC_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_I965GM(dev)) + I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF) + & ~FW_BLC_SELF_EN); } DRM_DEBUG_KMS("Setting FIFO watermarks - A: 8, B: 8, C: 8, SR %d\n", @@ -4483,6 +4485,7 @@ static void intel_idle_update(struct work_struct *work) struct drm_device *dev = dev_priv->dev; struct drm_crtc *crtc; struct intel_crtc *intel_crtc; + int enabled = 0; if (!i915_powersave) return; @@ -4491,21 +4494,22 @@ static void intel_idle_update(struct work_struct *work) i915_update_gfx_val(dev_priv); - 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) continue; + enabled++; intel_crtc = to_intel_crtc(crtc); if (!intel_crtc->busy) intel_decrease_pllclock(crtc); } + if ((enabled == 1) && (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); + } + mutex_unlock(&dev->struct_mutex); } @@ -4601,10 +4605,10 @@ static void intel_unpin_work_fn(struct work_struct *__work) kfree(work); } -void intel_finish_page_flip(struct drm_device *dev, int pipe) +static void do_intel_finish_page_flip(struct drm_device *dev, + struct drm_crtc *crtc) { drm_i915_private_t *dev_priv = dev->dev_private; - struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_unpin_work *work; struct drm_i915_gem_object *obj_priv; @@ -4648,6 +4652,22 @@ void intel_finish_page_flip(struct drm_device *dev, int pipe) schedule_work(&work->work); } +void intel_finish_page_flip(struct drm_device *dev, int pipe) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; + + do_intel_finish_page_flip(dev, crtc); +} + +void intel_finish_page_flip_plane(struct drm_device *dev, int plane) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; + + do_intel_finish_page_flip(dev, crtc); +} + void intel_prepare_page_flip(struct drm_device *dev, int plane) { drm_i915_private_t *dev_priv = dev->dev_private; @@ -4678,6 +4698,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, unsigned long flags; int pipesrc_reg = (intel_crtc->pipe == 0) ? PIPEASRC : PIPEBSRC; int ret, pipesrc; + u32 flip_mask; work = kzalloc(sizeof *work, GFP_KERNEL); if (work == NULL) @@ -4731,15 +4752,28 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, atomic_inc(&obj_priv->pending_flip); work->pending_flip_obj = obj; + if (intel_crtc->plane) + flip_mask = I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT; + else + flip_mask = I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT; + + /* Wait for any previous flip to finish */ + if (IS_GEN3(dev)) + while (I915_READ(ISR) & flip_mask) + ; + BEGIN_LP_RING(4); - OUT_RING(MI_DISPLAY_FLIP | - MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); - OUT_RING(fb->pitch); if (IS_I965G(dev)) { + OUT_RING(MI_DISPLAY_FLIP | + MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); + OUT_RING(fb->pitch); OUT_RING(obj_priv->gtt_offset | obj_priv->tiling_mode); pipesrc = I915_READ(pipesrc_reg); OUT_RING(pipesrc & 0x0fff0fff); } else { + OUT_RING(MI_DISPLAY_FLIP_I915 | + MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); + OUT_RING(fb->pitch); OUT_RING(obj_priv->gtt_offset); OUT_RING(MI_NOOP); } diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 49b54f05d3cfcb767b28c0caecc8523ea6deabed..1aac59e83bff0c45a0da94e1f083d40d9e30b396 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -135,6 +135,12 @@ intel_dp_link_required(struct drm_device *dev, return pixel_clock * 3; } +static int +intel_dp_max_data_rate(int max_link_clock, int max_lanes) +{ + return (max_link_clock * max_lanes * 8) / 10; +} + static int intel_dp_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) @@ -144,8 +150,11 @@ intel_dp_mode_valid(struct drm_connector *connector, int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_encoder)); int max_lanes = intel_dp_max_lane_count(intel_encoder); - if (intel_dp_link_required(connector->dev, intel_encoder, mode->clock) - > max_link_clock * max_lanes) + /* only refuse the mode on non eDP since we have seen some wierd eDP panels + which are outside spec tolerances but somehow work by magic */ + if (!IS_eDP(intel_encoder) && + (intel_dp_link_required(connector->dev, intel_encoder, mode->clock) + > intel_dp_max_data_rate(max_link_clock, max_lanes))) return MODE_CLOCK_HIGH; if (mode->clock < 10000) @@ -506,7 +515,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, for (lane_count = 1; lane_count <= max_lane_count; lane_count <<= 1) { for (clock = 0; clock <= max_clock; clock++) { - int link_avail = intel_dp_link_clock(bws[clock]) * lane_count; + int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count); if (intel_dp_link_required(encoder->dev, intel_encoder, mode->clock) <= link_avail) { @@ -521,6 +530,18 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, } } } + + if (IS_eDP(intel_encoder)) { + /* okay we failed just pick the highest */ + dp_priv->lane_count = max_lane_count; + dp_priv->link_bw = bws[max_clock]; + adjusted_mode->clock = intel_dp_link_clock(dp_priv->link_bw); + DRM_DEBUG_KMS("Force picking display port link bw %02x lane " + "count %d clock %d\n", + dp_priv->link_bw, dp_priv->lane_count, + adjusted_mode->clock); + return true; + } return false; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index df931f7876652e7af0b8f6f480fdbd05ce3596ae..72206f37c4fb847c8d32d80c5c893fd3a68a5faa 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -224,6 +224,7 @@ extern void intel_fbdev_fini(struct drm_device *dev); extern void intel_prepare_page_flip(struct drm_device *dev, int plane); extern void intel_finish_page_flip(struct drm_device *dev, int pipe); +extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane); extern void intel_setup_overlay(struct drm_device *dev); extern void intel_cleanup_overlay(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 6a1accd83aecd9171f719deca33a04e078534585..31df55f0a0a7950a0e59ebce556fc30cde35b891 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -983,8 +983,8 @@ void intel_lvds_init(struct drm_device *dev) drm_connector_attach_property(&intel_connector->base, dev->mode_config.scaling_mode_property, - DRM_MODE_SCALE_FULLSCREEN); - lvds_priv->fitting_mode = DRM_MODE_SCALE_FULLSCREEN; + DRM_MODE_SCALE_ASPECT); + lvds_priv->fitting_mode = DRM_MODE_SCALE_ASPECT; /* * LVDS discovery: * 1) check for EDID on DDC diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index cea4f1a8709ec775913fda1bab17d7868c944be4..26362f8495a8791ed8d0d75657faa4b6c1af346e 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -94,7 +94,7 @@ render_ring_flush(struct drm_device *dev, #if WATCH_EXEC DRM_INFO("%s: queue flush %08x to ring\n", __func__, cmd); #endif - intel_ring_begin(dev, ring, 8); + intel_ring_begin(dev, ring, 2); intel_ring_emit(dev, ring, cmd); intel_ring_emit(dev, ring, MI_NOOP); intel_ring_advance(dev, ring); @@ -358,7 +358,7 @@ bsd_ring_flush(struct drm_device *dev, u32 invalidate_domains, u32 flush_domains) { - intel_ring_begin(dev, ring, 8); + intel_ring_begin(dev, ring, 2); intel_ring_emit(dev, ring, MI_FLUSH); intel_ring_emit(dev, ring, MI_NOOP); intel_ring_advance(dev, ring); @@ -687,6 +687,7 @@ int intel_wrap_ring_buffer(struct drm_device *dev, *virt++ = MI_NOOP; ring->tail = 0; + ring->space = ring->head - 8; return 0; } @@ -721,8 +722,9 @@ int intel_wait_ring_buffer(struct drm_device *dev, } void intel_ring_begin(struct drm_device *dev, - struct intel_ring_buffer *ring, int n) + struct intel_ring_buffer *ring, int num_dwords) { + int n = 4*num_dwords; if (unlikely(ring->tail + n > ring->size)) intel_wrap_ring_buffer(dev, ring); if (unlikely(ring->space < n)) @@ -752,7 +754,7 @@ void intel_fill_struct(struct drm_device *dev, { unsigned int *virt = ring->virtual_start + ring->tail; BUG_ON((len&~(4-1)) != 0); - intel_ring_begin(dev, ring, len); + intel_ring_begin(dev, ring, len/4); memcpy(virt, data, len); ring->tail += len; ring->tail &= ring->size - 1;