From patchwork Tue Jun 18 08:58:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 11001215 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5193A924 for ; Tue, 18 Jun 2019 08:58:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3F7C3289FA for ; Tue, 18 Jun 2019 08:58:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 33B6E28A01; Tue, 18 Jun 2019 08:58:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 36E3A289FA for ; Tue, 18 Jun 2019 08:58:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AF7BB6E11F; Tue, 18 Jun 2019 08:58:30 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8558B6E11F for ; Tue, 18 Jun 2019 08:58:29 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Jun 2019 01:58:28 -0700 X-ExtLoop1: 1 Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by fmsmga001.fm.intel.com with SMTP; 18 Jun 2019 01:58:26 -0700 Received: by stinkbox (sSMTP sendmail emulation); Tue, 18 Jun 2019 11:58:26 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Tue, 18 Jun 2019 11:58:26 +0300 Message-Id: <20190618085826.4120-1-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915: Switch to per-crtc vblank vfuncs X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Ville Syrjälä Switch from the driver-wide vblank vfuncs to the per-crtc ones so that we don't have so many platform specific vfuncs in the driver struct. We still need to do something about the rest fo the irq vfuncs... Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_display.c | 104 ++++++++++++++++--- drivers/gpu/drm/i915/i915_irq.c | 93 +++++++---------- drivers/gpu/drm/i915/i915_irq.h | 14 +++ 3 files changed, 143 insertions(+), 68 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 8d7e4c8b60bc..dc602a8a52fe 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -13556,7 +13556,7 @@ u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc) if (!vblank->max_vblank_count) return (u32)drm_crtc_accurate_vblank_count(&crtc->base); - return dev->driver->get_vblank_counter(dev, crtc->pipe); + return crtc->base.funcs->get_vblank_counter(&crtc->base); } static void intel_update_crtc(struct drm_crtc *crtc, @@ -14094,18 +14094,6 @@ static int intel_atomic_commit(struct drm_device *dev, return 0; } -static const struct drm_crtc_funcs intel_crtc_funcs = { - .gamma_set = drm_atomic_helper_legacy_gamma_set, - .set_config = drm_atomic_helper_set_config, - .destroy = intel_crtc_destroy, - .page_flip = drm_atomic_helper_page_flip, - .atomic_duplicate_state = intel_crtc_duplicate_state, - .atomic_destroy_state = intel_crtc_destroy_state, - .set_crc_source = intel_crtc_set_crc_source, - .verify_crc_source = intel_crtc_verify_crc_source, - .get_crc_sources = intel_crtc_get_crc_sources, -}; - struct wait_rps_boost { struct wait_queue_entry wait; @@ -14899,8 +14887,76 @@ static void intel_crtc_init_scalers(struct intel_crtc *crtc, scaler_state->scaler_id = -1; } +#define INTEL_CRTC_FUNCS \ + .gamma_set = drm_atomic_helper_legacy_gamma_set, \ + .set_config = drm_atomic_helper_set_config, \ + .destroy = intel_crtc_destroy, \ + .page_flip = drm_atomic_helper_page_flip, \ + .atomic_duplicate_state = intel_crtc_duplicate_state, \ + .atomic_destroy_state = intel_crtc_destroy_state, \ + .set_crc_source = intel_crtc_set_crc_source, \ + .verify_crc_source = intel_crtc_verify_crc_source, \ + .get_crc_sources = intel_crtc_get_crc_sources + +static const struct drm_crtc_funcs bdw_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = g4x_get_vblank_counter, + .enable_vblank = bdw_enable_vblank, + .disable_vblank = bdw_disable_vblank, +}; + +static const struct drm_crtc_funcs ilk_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = g4x_get_vblank_counter, + .enable_vblank = ilk_enable_vblank, + .disable_vblank = ilk_disable_vblank, +}; + +static const struct drm_crtc_funcs g4x_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = g4x_get_vblank_counter, + .enable_vblank = i965_enable_vblank, + .disable_vblank = i965_disable_vblank, +}; + +static const struct drm_crtc_funcs i965_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = i915_get_vblank_counter, + .enable_vblank = i965_enable_vblank, + .disable_vblank = i965_disable_vblank, +}; + +static const struct drm_crtc_funcs i945gm_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = i915_get_vblank_counter, + .enable_vblank = i945gm_enable_vblank, + .disable_vblank = i945gm_disable_vblank, +}; + +static const struct drm_crtc_funcs i915_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = i915_get_vblank_counter, + .enable_vblank = i8xx_enable_vblank, + .disable_vblank = i8xx_disable_vblank, +}; + +static const struct drm_crtc_funcs i8xx_crtc_funcs = { + INTEL_CRTC_FUNCS, + + /* no hw vblank counter */ + .enable_vblank = i8xx_enable_vblank, + .disable_vblank = i8xx_disable_vblank, +}; + static int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) { + const struct drm_crtc_funcs *funcs; struct intel_crtc *intel_crtc; struct intel_crtc_state *crtc_state = NULL; struct intel_plane *primary = NULL; @@ -14944,10 +15000,28 @@ static int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) } intel_crtc->plane_ids_mask |= BIT(cursor->id); + if (HAS_GMCH(dev_priv)) { + if (IS_CHERRYVIEW(dev_priv) || + IS_VALLEYVIEW(dev_priv) || IS_G4X(dev_priv)) + funcs = &g4x_crtc_funcs; + else if (IS_GEN(dev_priv, 4)) + funcs = &i965_crtc_funcs; + else if (IS_I945GM(dev_priv)) + funcs = &i945gm_crtc_funcs; + else if (INTEL_GEN(dev_priv) >= 3) + funcs = &i915_crtc_funcs; + else + funcs = &i8xx_crtc_funcs; + } else { + if (INTEL_GEN(dev_priv) >= 8) + funcs = &bdw_crtc_funcs; + else + funcs = &ilk_crtc_funcs; + } + ret = drm_crtc_init_with_planes(&dev_priv->drm, &intel_crtc->base, &primary->base, &cursor->base, - &intel_crtc_funcs, - "pipe %c", pipe_name(pipe)); + funcs, "pipe %c", pipe_name(pipe)); if (ret) goto fail; diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 2aeb0431c432..1cc27eeae3de 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -918,11 +918,12 @@ static void i915_enable_asle_pipestat(struct drm_i915_private *dev_priv) /* Called from drm generic code, passed a 'crtc', which * we use as a pipe index */ -static u32 i915_get_vblank_counter(struct drm_device *dev, unsigned int pipe) +u32 i915_get_vblank_counter(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); - struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + struct drm_vblank_crtc *vblank = &dev_priv->drm.vblank[drm_crtc_index(crtc)]; const struct drm_display_mode *mode = &vblank->hwmode; + enum pipe pipe = to_intel_crtc(crtc)->pipe; i915_reg_t high_frame, low_frame; u32 high1, high2, low, pixel, vbl_start, hsync_start, htotal; unsigned long irqflags; @@ -983,9 +984,10 @@ static u32 i915_get_vblank_counter(struct drm_device *dev, unsigned int pipe) return (((high1 << 8) | low) + (pixel >= vbl_start)) & 0xffffff; } -static u32 g4x_get_vblank_counter(struct drm_device *dev, unsigned int pipe) +u32 g4x_get_vblank_counter(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; return I915_READ(PIPE_FRMCOUNT_G4X(pipe)); } @@ -3234,9 +3236,10 @@ static irqreturn_t gen11_irq_handler(int irq, void *arg) /* Called from drm generic code, passed 'crtc' which * we use as a pipe index */ -static int i8xx_enable_vblank(struct drm_device *dev, unsigned int pipe) +int i8xx_enable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3246,19 +3249,20 @@ static int i8xx_enable_vblank(struct drm_device *dev, unsigned int pipe) return 0; } -static int i945gm_enable_vblank(struct drm_device *dev, unsigned int pipe) +int i945gm_enable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); if (dev_priv->i945gm_vblank.enabled++ == 0) schedule_work(&dev_priv->i945gm_vblank.work); - return i8xx_enable_vblank(dev, pipe); + return i8xx_enable_vblank(crtc); } -static int i965_enable_vblank(struct drm_device *dev, unsigned int pipe) +int i965_enable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3269,9 +3273,10 @@ static int i965_enable_vblank(struct drm_device *dev, unsigned int pipe) return 0; } -static int ironlake_enable_vblank(struct drm_device *dev, unsigned int pipe) +int ilk_enable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; u32 bit = INTEL_GEN(dev_priv) >= 7 ? DE_PIPE_VBLANK_IVB(pipe) : DE_PIPE_VBLANK(pipe); @@ -3284,14 +3289,15 @@ static int ironlake_enable_vblank(struct drm_device *dev, unsigned int pipe) * PSR is active as no frames are generated. */ if (HAS_PSR(dev_priv)) - drm_vblank_restore(dev, pipe); + drm_crtc_vblank_restore(crtc); return 0; } -static int gen8_enable_vblank(struct drm_device *dev, unsigned int pipe) +int bdw_enable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3302,7 +3308,7 @@ static int gen8_enable_vblank(struct drm_device *dev, unsigned int pipe) * PSR is active as no frames are generated, so check only for PSR. */ if (HAS_PSR(dev_priv)) - drm_vblank_restore(dev, pipe); + drm_crtc_vblank_restore(crtc); return 0; } @@ -3310,9 +3316,10 @@ static int gen8_enable_vblank(struct drm_device *dev, unsigned int pipe) /* Called from drm generic code, passed 'crtc' which * we use as a pipe index */ -static void i8xx_disable_vblank(struct drm_device *dev, unsigned int pipe) +void i8xx_disable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3320,19 +3327,20 @@ static void i8xx_disable_vblank(struct drm_device *dev, unsigned int pipe) spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } -static void i945gm_disable_vblank(struct drm_device *dev, unsigned int pipe) +void i945gm_disable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); - i8xx_disable_vblank(dev, pipe); + i8xx_disable_vblank(crtc); if (--dev_priv->i945gm_vblank.enabled == 0) schedule_work(&dev_priv->i945gm_vblank.work); } -static void i965_disable_vblank(struct drm_device *dev, unsigned int pipe) +void i965_disable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3341,9 +3349,10 @@ static void i965_disable_vblank(struct drm_device *dev, unsigned int pipe) spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } -static void ironlake_disable_vblank(struct drm_device *dev, unsigned int pipe) +void ilk_disable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; u32 bit = INTEL_GEN(dev_priv) >= 7 ? DE_PIPE_VBLANK_IVB(pipe) : DE_PIPE_VBLANK(pipe); @@ -3353,9 +3362,10 @@ static void ironlake_disable_vblank(struct drm_device *dev, unsigned int pipe) spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } -static void gen8_disable_vblank(struct drm_device *dev, unsigned int pipe) +void bdw_disable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3363,7 +3373,7 @@ static void gen8_disable_vblank(struct drm_device *dev, unsigned int pipe) spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } -static void i945gm_vblank_work_func(struct work_struct *work) +void i945gm_vblank_work_func(struct work_struct *work) { struct drm_i915_private *dev_priv = container_of(work, struct drm_i915_private, i945gm_vblank.work); @@ -4796,11 +4806,6 @@ void intel_irq_init(struct drm_i915_private *dev_priv) if (INTEL_GEN(dev_priv) >= 8) rps->pm_intrmsk_mbz |= GEN8_PMINTR_DISABLE_REDIRECT_TO_GUC; - if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) - dev->driver->get_vblank_counter = g4x_get_vblank_counter; - else if (INTEL_GEN(dev_priv) >= 3) - dev->driver->get_vblank_counter = i915_get_vblank_counter; - dev->vblank_disable_immediate = true; /* Most platforms treat the display irq block as an always-on @@ -4830,32 +4835,24 @@ void intel_irq_init(struct drm_i915_private *dev_priv) dev->driver->irq_preinstall = cherryview_irq_reset; dev->driver->irq_postinstall = cherryview_irq_postinstall; dev->driver->irq_uninstall = cherryview_irq_reset; - dev->driver->enable_vblank = i965_enable_vblank; - dev->driver->disable_vblank = i965_disable_vblank; dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; } else if (IS_VALLEYVIEW(dev_priv)) { dev->driver->irq_handler = valleyview_irq_handler; dev->driver->irq_preinstall = valleyview_irq_reset; dev->driver->irq_postinstall = valleyview_irq_postinstall; dev->driver->irq_uninstall = valleyview_irq_reset; - dev->driver->enable_vblank = i965_enable_vblank; - dev->driver->disable_vblank = i965_disable_vblank; dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; } else if (INTEL_GEN(dev_priv) >= 11) { dev->driver->irq_handler = gen11_irq_handler; dev->driver->irq_preinstall = gen11_irq_reset; dev->driver->irq_postinstall = gen11_irq_postinstall; dev->driver->irq_uninstall = gen11_irq_reset; - dev->driver->enable_vblank = gen8_enable_vblank; - dev->driver->disable_vblank = gen8_disable_vblank; dev_priv->display.hpd_irq_setup = gen11_hpd_irq_setup; } else if (INTEL_GEN(dev_priv) >= 8) { dev->driver->irq_handler = gen8_irq_handler; dev->driver->irq_preinstall = gen8_irq_reset; dev->driver->irq_postinstall = gen8_irq_postinstall; dev->driver->irq_uninstall = gen8_irq_reset; - dev->driver->enable_vblank = gen8_enable_vblank; - dev->driver->disable_vblank = gen8_disable_vblank; if (IS_GEN9_LP(dev_priv)) dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup; else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT) @@ -4867,8 +4864,6 @@ void intel_irq_init(struct drm_i915_private *dev_priv) dev->driver->irq_preinstall = ironlake_irq_reset; dev->driver->irq_postinstall = ironlake_irq_postinstall; dev->driver->irq_uninstall = ironlake_irq_reset; - dev->driver->enable_vblank = ironlake_enable_vblank; - dev->driver->disable_vblank = ironlake_disable_vblank; dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup; } else { if (IS_GEN(dev_priv, 2)) { @@ -4876,29 +4871,21 @@ void intel_irq_init(struct drm_i915_private *dev_priv) dev->driver->irq_postinstall = i8xx_irq_postinstall; dev->driver->irq_handler = i8xx_irq_handler; dev->driver->irq_uninstall = i8xx_irq_reset; - dev->driver->enable_vblank = i8xx_enable_vblank; - dev->driver->disable_vblank = i8xx_disable_vblank; } else if (IS_I945GM(dev_priv)) { dev->driver->irq_preinstall = i915_irq_reset; dev->driver->irq_postinstall = i915_irq_postinstall; dev->driver->irq_uninstall = i915_irq_reset; dev->driver->irq_handler = i915_irq_handler; - dev->driver->enable_vblank = i945gm_enable_vblank; - dev->driver->disable_vblank = i945gm_disable_vblank; } else if (IS_GEN(dev_priv, 3)) { dev->driver->irq_preinstall = i915_irq_reset; dev->driver->irq_postinstall = i915_irq_postinstall; dev->driver->irq_uninstall = i915_irq_reset; dev->driver->irq_handler = i915_irq_handler; - dev->driver->enable_vblank = i8xx_enable_vblank; - dev->driver->disable_vblank = i8xx_disable_vblank; } else { dev->driver->irq_preinstall = i965_irq_reset; dev->driver->irq_postinstall = i965_irq_postinstall; dev->driver->irq_uninstall = i965_irq_reset; dev->driver->irq_handler = i965_irq_handler; - dev->driver->enable_vblank = i965_enable_vblank; - dev->driver->disable_vblank = i965_disable_vblank; } if (I915_HAS_HOTPLUG(dev_priv)) dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; diff --git a/drivers/gpu/drm/i915/i915_irq.h b/drivers/gpu/drm/i915/i915_irq.h index cb25dd213308..ef782e5ab240 100644 --- a/drivers/gpu/drm/i915/i915_irq.h +++ b/drivers/gpu/drm/i915/i915_irq.h @@ -114,4 +114,18 @@ void gen11_reset_guc_interrupts(struct drm_i915_private *i915); void gen11_enable_guc_interrupts(struct drm_i915_private *i915); void gen11_disable_guc_interrupts(struct drm_i915_private *i915); +u32 i915_get_vblank_counter(struct drm_crtc *crtc); +u32 g4x_get_vblank_counter(struct drm_crtc *crtc); + +int i8xx_enable_vblank(struct drm_crtc *crtc); +int i945gm_enable_vblank(struct drm_crtc *crtc); +int i965_enable_vblank(struct drm_crtc *crtc); +int ilk_enable_vblank(struct drm_crtc *crtc); +int bdw_enable_vblank(struct drm_crtc *crtc); +void i8xx_disable_vblank(struct drm_crtc *crtc); +void i945gm_disable_vblank(struct drm_crtc *crtc); +void i965_disable_vblank(struct drm_crtc *crtc); +void ilk_disable_vblank(struct drm_crtc *crtc); +void bdw_disable_vblank(struct drm_crtc *crtc); + #endif /* __I915_IRQ_H__ */