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author | David S. Miller <davem@davemloft.net> | 2010-03-15 23:23:54 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-03-15 23:23:54 (GMT) |
commit | 4961e02f1999e1c3468c09b2669c94d7c3ae82a8 (patch) | |
tree | 44c15abb09d7ba5e17a9aba95ee246648b1c1a8a /drivers/gpu/drm/i915/intel_display.c | |
parent | d14a0ebda7d3daede1a99c01527affb9ceaa4c22 (diff) | |
parent | a3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff) | |
download | linux-fsl-qoriq-4961e02f1999e1c3468c09b2669c94d7c3ae82a8.tar.xz |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 216 |
1 files changed, 167 insertions, 49 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index b27202d..9cd6de5 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -232,7 +232,7 @@ struct intel_limit { #define G4X_P2_DISPLAY_PORT_FAST 10 #define G4X_P2_DISPLAY_PORT_LIMIT 0 -/* Ironlake */ +/* Ironlake / Sandybridge */ /* as we calculate clock using (register_value + 2) for N/M1/M2, so here the range value for them is (actual_value-2). */ @@ -690,7 +690,7 @@ static const intel_limit_t *intel_limit(struct drm_crtc *crtc) struct drm_device *dev = crtc->dev; const intel_limit_t *limit; - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) limit = intel_ironlake_limit(crtc); else if (IS_G4X(dev)) { limit = intel_g4x_limit(crtc); @@ -886,7 +886,7 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { int lvds_reg; - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) lvds_reg = PCH_LVDS; else lvds_reg = LVDS; @@ -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; } @@ -1366,7 +1371,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, dspcntr &= ~DISPPLANE_TILED; } - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) /* must disable */ dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; @@ -1427,7 +1432,7 @@ static void i915_disable_vga (struct drm_device *dev) u8 sr1; u32 vga_reg; - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) vga_reg = CPU_VGACNTRL; else vga_reg = VGACNTRL; @@ -2111,7 +2116,7 @@ static bool intel_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *adjusted_mode) { struct drm_device *dev = crtc->dev; - if (IS_IRONLAKE(dev)) { + if (HAS_PCH_SPLIT(dev)) { /* FDI link clock is fixed at 2.7G */ if (mode->clock * 3 > 27000 * 4) return MODE_CLOCK_HIGH; @@ -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", @@ -2967,7 +2983,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, refclk / 1000); } else if (IS_I9XX(dev)) { refclk = 96000; - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) refclk = 120000; /* 120Mhz refclk */ } else { refclk = 48000; @@ -3025,7 +3041,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, } /* FDI link */ - if (IS_IRONLAKE(dev)) { + if (HAS_PCH_SPLIT(dev)) { int lane, link_bw, bpp; /* eDP doesn't require FDI link, so just set DP M/N according to current link config */ @@ -3102,7 +3118,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, * PCH B stepping, previous chipset stepping should be * ignoring this setting. */ - if (IS_IRONLAKE(dev)) { + if (HAS_PCH_SPLIT(dev)) { temp = I915_READ(PCH_DREF_CONTROL); /* Always enable nonspread source */ temp &= ~DREF_NONSPREAD_SOURCE_MASK; @@ -3149,7 +3165,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, reduced_clock.m2; } - if (!IS_IRONLAKE(dev)) + if (!HAS_PCH_SPLIT(dev)) dpll = DPLL_VGA_MODE_DIS; if (IS_I9XX(dev)) { @@ -3162,7 +3178,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, sdvo_pixel_multiply = adjusted_mode->clock / mode->clock; if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES; - else if (IS_IRONLAKE(dev)) + else if (HAS_PCH_SPLIT(dev)) dpll |= (sdvo_pixel_multiply - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; } if (is_dp) @@ -3174,7 +3190,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, else { dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; /* also FPA1 */ - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; if (IS_G4X(dev) && has_reduced_clock) dpll |= (1 << (reduced_clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; @@ -3193,7 +3209,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; break; } - if (IS_I965G(dev) && !IS_IRONLAKE(dev)) + if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev)) dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); } else { if (is_lvds) { @@ -3227,7 +3243,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, /* Ironlake's plane is forced to pipe, bit 24 is to enable color space conversion */ - if (!IS_IRONLAKE(dev)) { + if (!HAS_PCH_SPLIT(dev)) { if (pipe == 0) dspcntr &= ~DISPPLANE_SEL_PIPE_MASK; else @@ -3254,14 +3270,14 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, /* Disable the panel fitter if it was on our pipe */ - if (!IS_IRONLAKE(dev) && intel_panel_fitter_pipe(dev) == pipe) + if (!HAS_PCH_SPLIT(dev) && intel_panel_fitter_pipe(dev) == pipe) I915_WRITE(PFIT_CONTROL, 0); DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); drm_mode_debug_printmodeline(mode); /* assign to Ironlake registers */ - if (IS_IRONLAKE(dev)) { + if (HAS_PCH_SPLIT(dev)) { fp_reg = pch_fp_reg; dpll_reg = pch_dpll_reg; } @@ -3282,7 +3298,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, if (is_lvds) { u32 lvds; - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) lvds_reg = PCH_LVDS; lvds = I915_READ(lvds_reg); @@ -3304,12 +3320,12 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, /* set the dithering flag */ if (IS_I965G(dev)) { if (dev_priv->lvds_dither) { - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) pipeconf |= PIPE_ENABLE_DITHER; else lvds |= LVDS_ENABLE_DITHER; } else { - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) pipeconf &= ~PIPE_ENABLE_DITHER; else lvds &= ~LVDS_ENABLE_DITHER; @@ -3328,7 +3344,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, /* Wait for the clocks to stabilize. */ udelay(150); - if (IS_I965G(dev) && !IS_IRONLAKE(dev)) { + if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev)) { if (is_sdvo) { sdvo_pixel_multiply = adjusted_mode->clock / mode->clock; I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) | @@ -3375,14 +3391,14 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, /* pipesrc and dspsize control the size that is scaled from, which should * always be the user's requested size. */ - if (!IS_IRONLAKE(dev)) { + if (!HAS_PCH_SPLIT(dev)) { I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1)); I915_WRITE(dsppos_reg, 0); } I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); - if (IS_IRONLAKE(dev)) { + if (HAS_PCH_SPLIT(dev)) { I915_WRITE(data_m1_reg, TU_SIZE(m_n.tu) | m_n.gmch_m); I915_WRITE(data_n1_reg, TU_SIZE(m_n.tu) | m_n.gmch_n); I915_WRITE(link_m1_reg, m_n.link_m); @@ -3438,7 +3454,7 @@ void intel_crtc_load_lut(struct drm_crtc *crtc) return; /* use legacy palette for Ironlake */ - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) palreg = (intel_crtc->pipe == 0) ? LGC_PALETTE_A : LGC_PALETTE_B; @@ -3553,11 +3569,10 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, intel_crtc->cursor_bo = bo; return 0; -fail: - mutex_lock(&dev->struct_mutex); fail_locked: - drm_gem_object_unreference(bo); mutex_unlock(&dev->struct_mutex); +fail: + drm_gem_object_unreference_unlocked(bo); return ret; } @@ -3922,7 +3937,7 @@ static void intel_increase_pllclock(struct drm_crtc *crtc, bool schedule) int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; int dpll = I915_READ(dpll_reg); - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) return; if (!dev_priv->lvds_downclock_avail) @@ -3961,7 +3976,7 @@ static void intel_decrease_pllclock(struct drm_crtc *crtc) int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; int dpll = I915_READ(dpll_reg); - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) return; if (!dev_priv->lvds_downclock_avail) @@ -4011,6 +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) @@ -4044,9 +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)); @@ -4058,6 +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; @@ -4382,7 +4418,7 @@ static void intel_setup_outputs(struct drm_device *dev) if (IS_MOBILE(dev) && !IS_I830(dev)) intel_lvds_init(dev); - if (IS_IRONLAKE(dev)) { + if (HAS_PCH_SPLIT(dev)) { int found; if (IS_MOBILE(dev) && (I915_READ(DP_A) & DP_DETECTED)) @@ -4451,7 +4487,7 @@ static void intel_setup_outputs(struct drm_device *dev) DRM_DEBUG_KMS("probing DP_D\n"); intel_dp_init(dev, DP_D); } - } else if (IS_I8XX(dev)) + } else if (IS_GEN2(dev)) intel_dvo_init(dev); if (SUPPORTS_TV(dev)) @@ -4476,9 +4512,7 @@ static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) intelfb_remove(dev, fb); drm_framebuffer_cleanup(fb); - mutex_lock(&dev->struct_mutex); - drm_gem_object_unreference(intel_fb->obj); - mutex_unlock(&dev->struct_mutex); + drm_gem_object_unreference_unlocked(intel_fb->obj); kfree(intel_fb); } @@ -4541,9 +4575,7 @@ intel_user_framebuffer_create(struct drm_device *dev, ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj); if (ret) { - mutex_lock(&dev->struct_mutex); - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); + drm_gem_object_unreference_unlocked(obj); return NULL; } @@ -4591,6 +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; @@ -4599,7 +4716,7 @@ void intel_init_clock_gating(struct drm_device *dev) * Disable clock gating reported to work incorrectly according to the * specs, but enable as much else as we can. */ - if (IS_IRONLAKE(dev)) { + if (HAS_PCH_SPLIT(dev)) { return; } else if (IS_G4X(dev)) { uint32_t dspclk_gate; @@ -4672,7 +4789,7 @@ static void intel_init_display(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; /* We always want a DPMS function */ - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) dev_priv->display.dpms = ironlake_crtc_dpms; else dev_priv->display.dpms = i9xx_crtc_dpms; @@ -4715,7 +4832,7 @@ static void intel_init_display(struct drm_device *dev) i830_get_display_clock_speed; /* For FIFO watermark updates */ - if (IS_IRONLAKE(dev)) + if (HAS_PCH_SPLIT(dev)) dev_priv->display.update_wm = NULL; else if (IS_G4X(dev)) dev_priv->display.update_wm = g4x_update_wm; @@ -4774,11 +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); } @@ -4787,6 +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); @@ -4834,6 +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); |