From: Adam Jackson Date: Fri, 23 Apr 2010 15:17:39 +0000 (-0400) Subject: drm/i915: Make fbc control wrapper functions X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ee5382aedf669127bf672a3fc5313247fc288e26;p=openwrt%2Fstaging%2Fblogic.git drm/i915: Make fbc control wrapper functions Signed-off-by: Adam Jackson Signed-off-by: Eric Anholt --- diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 213aa3f67314..322070c0c631 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -566,23 +566,14 @@ static int i915_fbc_status(struct seq_file *m, void *unused) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; - struct drm_crtc *crtc; drm_i915_private_t *dev_priv = dev->dev_private; - bool fbc_enabled = false; - if (!dev_priv->display.fbc_enabled) { + if (!I915_HAS_FBC(dev)) { seq_printf(m, "FBC unsupported on this chipset\n"); return 0; } - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - if (!crtc->enabled) - continue; - if (dev_priv->display.fbc_enabled(crtc)) - fbc_enabled = true; - } - - if (fbc_enabled) { + if (intel_fbc_enabled(dev)) { seq_printf(m, "FBC enabled\n"); } else { seq_printf(m, "FBC disabled: "); diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 52e468bbd5e4..03d1d3a1a6c1 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1357,11 +1357,10 @@ static void i915_setup_compression(struct drm_device *dev, int size) dev_priv->cfb_size = size; + intel_disable_fbc(dev); if (IS_GM45(dev)) { - g4x_disable_fbc(dev); I915_WRITE(DPFC_CB_BASE, compressed_fb->start); } else { - i8xx_disable_fbc(dev); I915_WRITE(FBC_CFB_BASE, cfb_base); I915_WRITE(FBC_LL_BASE, ll_base); } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 242993bedab3..c06d203b709b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -175,7 +175,7 @@ struct drm_i915_error_state { struct drm_i915_display_funcs { void (*dpms)(struct drm_crtc *crtc, int mode); - bool (*fbc_enabled)(struct drm_crtc *crtc); + bool (*fbc_enabled)(struct drm_device *dev); void (*enable_fbc)(struct drm_crtc *crtc, unsigned long interval); void (*disable_fbc)(struct drm_device *dev); int (*get_display_clock_speed)(struct drm_device *dev); @@ -1006,6 +1006,9 @@ extern void intel_modeset_cleanup(struct drm_device *dev); extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state); extern void i8xx_disable_fbc(struct drm_device *dev); extern void g4x_disable_fbc(struct drm_device *dev); +extern void intel_disable_fbc(struct drm_device *dev); +extern void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval); +extern bool intel_fbc_enabled(struct drm_device *dev); extern void intel_detect_pch (struct drm_device *dev); extern int intel_trans_dp_port_sel (struct drm_crtc *crtc); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 119a41ac3bb6..84c1aca8637e 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1048,9 +1048,8 @@ void i8xx_disable_fbc(struct drm_device *dev) DRM_DEBUG_KMS("disabled FBC\n"); } -static bool i8xx_fbc_enabled(struct drm_crtc *crtc) +static bool i8xx_fbc_enabled(struct drm_device *dev) { - struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; return I915_READ(FBC_CONTROL) & FBC_CTL_EN; @@ -1107,14 +1106,43 @@ void g4x_disable_fbc(struct drm_device *dev) DRM_DEBUG_KMS("disabled FBC\n"); } -static bool g4x_fbc_enabled(struct drm_crtc *crtc) +static bool g4x_fbc_enabled(struct drm_device *dev) { - struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; return I915_READ(DPFC_CONTROL) & DPFC_CTL_EN; } +bool intel_fbc_enabled(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + if (!dev_priv->display.fbc_enabled) + return false; + + return dev_priv->display.fbc_enabled(dev); +} + +void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval) +{ + struct drm_i915_private *dev_priv = crtc->dev->dev_private; + + if (!dev_priv->display.enable_fbc) + return; + + dev_priv->display.enable_fbc(crtc, interval); +} + +void intel_disable_fbc(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + if (!dev_priv->display.disable_fbc) + return; + + dev_priv->display.disable_fbc(dev); +} + /** * intel_update_fbc - enable/disable FBC as needed * @crtc: CRTC to point the compressor at @@ -1149,9 +1177,7 @@ static void intel_update_fbc(struct drm_crtc *crtc, if (!i915_powersave) return; - if (!dev_priv->display.fbc_enabled || - !dev_priv->display.enable_fbc || - !dev_priv->display.disable_fbc) + if (!I915_HAS_FBC(dev)) return; if (!crtc->fb) @@ -1198,28 +1224,25 @@ static void intel_update_fbc(struct drm_crtc *crtc, goto out_disable; } - if (dev_priv->display.fbc_enabled(crtc)) { + if (intel_fbc_enabled(dev)) { /* We can re-enable it in this case, but need to update pitch */ - if (fb->pitch > dev_priv->cfb_pitch) - dev_priv->display.disable_fbc(dev); - if (obj_priv->fence_reg != dev_priv->cfb_fence) - dev_priv->display.disable_fbc(dev); - if (plane != dev_priv->cfb_plane) - dev_priv->display.disable_fbc(dev); + if ((fb->pitch > dev_priv->cfb_pitch) || + (obj_priv->fence_reg != dev_priv->cfb_fence) || + (plane != dev_priv->cfb_plane)) + intel_disable_fbc(dev); } - if (!dev_priv->display.fbc_enabled(crtc)) { - /* Now try to turn it back on if possible */ - dev_priv->display.enable_fbc(crtc, 500); - } + /* Now try to turn it back on if possible */ + if (!intel_fbc_enabled(dev)) + intel_enable_fbc(crtc, 500); return; out_disable: DRM_DEBUG_KMS("unsupported config, disabling FBC\n"); /* Multiple disables should be harmless */ - if (dev_priv->display.fbc_enabled(crtc)) - dev_priv->display.disable_fbc(dev); + if (intel_fbc_enabled(dev)) + intel_disable_fbc(dev); } static int @@ -5203,8 +5226,7 @@ static void intel_init_display(struct drm_device *dev) else dev_priv->display.dpms = i9xx_crtc_dpms; - /* Only mobile has FBC, leave pointers NULL for other chips */ - if (IS_MOBILE(dev)) { + if (I915_HAS_FBC(dev)) { if (IS_GM45(dev)) { dev_priv->display.fbc_enabled = g4x_fbc_enabled; dev_priv->display.enable_fbc = g4x_enable_fbc;