diff options
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/drm_edid.c | 15 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 42 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 25 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 7 |
6 files changed, 71 insertions, 25 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 3c0d2b3aed7..cea665d86dd 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -626,6 +626,12 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, return NULL; } + /* it is incorrect if hsync/vsync width is zero */ + if (!hsync_pulse_width || !vsync_pulse_width) { + DRM_DEBUG_KMS("Incorrect Detailed timing. " + "Wrong Hsync/Vsync pulse width\n"); + return NULL; + } mode = drm_mode_create(dev); if (!mode) return NULL; @@ -647,6 +653,15 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, mode->vsync_end = mode->vsync_start + vsync_pulse_width; mode->vtotal = mode->vdisplay + vblank; + /* perform the basic check for the detailed timing */ + if (mode->hsync_end > mode->htotal || + mode->vsync_end > mode->vtotal) { + drm_mode_destroy(dev, mode); + DRM_DEBUG_KMS("Incorrect detailed timing. " + "Sync is beyond the blank.\n"); + return NULL; + } + drm_mode_set_name(mode); if (pt->misc & DRM_EDID_PT_INTERLACED) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 23dc9c115fd..9c924614c41 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -454,22 +454,39 @@ out_free: } EXPORT_SYMBOL(drm_fb_helper_init_crtc_count); -static void setcolreg(struct drm_crtc *crtc, u16 red, u16 green, +static int setcolreg(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, u16 regno, struct fb_info *info) { struct drm_fb_helper *fb_helper = info->par; struct drm_framebuffer *fb = fb_helper->fb; int pindex; + if (info->fix.visual == FB_VISUAL_TRUECOLOR) { + u32 *palette; + u32 value; + /* place color in psuedopalette */ + if (regno > 16) + return -EINVAL; + palette = (u32 *)info->pseudo_palette; + red >>= (16 - info->var.red.length); + green >>= (16 - info->var.green.length); + blue >>= (16 - info->var.blue.length); + value = (red << info->var.red.offset) | + (green << info->var.green.offset) | + (blue << info->var.blue.offset); + palette[regno] = value; + return 0; + } + pindex = regno; if (fb->bits_per_pixel == 16) { pindex = regno << 3; if (fb->depth == 16 && regno > 63) - return; + return -EINVAL; if (fb->depth == 15 && regno > 31) - return; + return -EINVAL; if (fb->depth == 16) { u16 r, g, b; @@ -493,13 +510,7 @@ static void setcolreg(struct drm_crtc *crtc, u16 red, u16 green, if (fb->depth != 16) fb_helper->funcs->gamma_set(crtc, red, green, blue, pindex); - - if (regno < 16 && info->fix.visual == FB_VISUAL_DIRECTCOLOR) { - ((u32 *) fb->pseudo_palette)[regno] = - (regno << info->var.red.offset) | - (regno << info->var.green.offset) | - (regno << info->var.blue.offset); - } + return 0; } int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info) @@ -536,7 +547,9 @@ int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info) if (transp) htransp = *transp++; - setcolreg(crtc, hred, hgreen, hblue, start++, info); + rc = setcolreg(crtc, hred, hgreen, hblue, start++, info); + if (rc) + return rc; } crtc_funcs->load_lut(crtc); } @@ -555,6 +568,7 @@ int drm_fb_helper_setcolreg(unsigned regno, struct drm_device *dev = fb_helper->dev; struct drm_crtc *crtc; int i; + int ret; if (regno > 255) return 1; @@ -568,8 +582,10 @@ int drm_fb_helper_setcolreg(unsigned regno, if (i == fb_helper->crtc_count) continue; + ret = setcolreg(crtc, red, green, blue, regno, info); + if (ret) + return ret; - setcolreg(crtc, red, green, blue, regno, info); crtc_funcs->load_lut(crtc); } return 0; @@ -928,7 +944,7 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, { info->fix.type = FB_TYPE_PACKED_PIXELS; info->fix.visual = depth == 8 ? FB_VISUAL_PSEUDOCOLOR : - FB_VISUAL_DIRECTCOLOR; + FB_VISUAL_TRUECOLOR; info->fix.type_aux = 0; info->fix.xpanstep = 1; /* doing it in hw */ info->fix.ypanstep = 1; /* doing it in hw */ diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index b93814c0d3e..7f436ec075f 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -89,7 +89,8 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state) pci_set_power_state(dev->pdev, PCI_D3hot); } - dev_priv->suspended = 1; + /* Modeset on resume, not lid events */ + dev_priv->modeset_on_lid = 0; return 0; } @@ -124,7 +125,7 @@ static int i915_resume(struct drm_device *dev) drm_helper_resume_force_mode(dev); } - dev_priv->suspended = 0; + dev_priv->modeset_on_lid = 0; return ret; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 9c67f0650a2..57204e29897 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -274,7 +274,7 @@ typedef struct drm_i915_private { struct drm_i915_display_funcs display; /* Register state */ - bool suspended; + bool modeset_on_lid; u8 saveLBB; u32 saveDSPACNTR; u32 saveDSPBCNTR; diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 089f18c66dd..05598ae10c4 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -664,6 +664,15 @@ static int intel_lvds_get_modes(struct drm_connector *connector) return 0; } +/* + * Lid events. Note the use of 'modeset_on_lid': + * - we set it on lid close, and reset it on open + * - we use it as a "only once" bit (ie we ignore + * duplicate events where it was already properly + * set/reset) + * - the suspend/resume paths will also set it to + * zero, since they restore the mode ("lid open"). + */ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, void *unused) { @@ -671,13 +680,19 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, container_of(nb, struct drm_i915_private, lid_notifier); struct drm_device *dev = dev_priv->dev; - if (acpi_lid_open() && !dev_priv->suspended) { - mutex_lock(&dev->mode_config.mutex); - drm_helper_resume_force_mode(dev); - mutex_unlock(&dev->mode_config.mutex); + if (!acpi_lid_open()) { + dev_priv->modeset_on_lid = 1; + return NOTIFY_OK; } - drm_sysfs_hotplug_event(dev_priv->dev); + if (!dev_priv->modeset_on_lid) + return NOTIFY_OK; + + dev_priv->modeset_on_lid = 0; + + mutex_lock(&dev->mode_config.mutex); + drm_helper_resume_force_mode(dev); + mutex_unlock(&dev->mode_config.mutex); return NOTIFY_OK; } diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 3d667031de6..df988142e6b 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -582,10 +582,9 @@ int radeon_device_init(struct radeon_device *rdev, DRM_INFO("register mmio size: %u\n", (unsigned)rdev->rmmio_size); /* if we have > 1 VGA cards, then disable the radeon VGA resources */ - r = vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode); - if (r) { - return -EINVAL; - } + /* this will fail for cards that aren't VGA class devices, just + * ignore it */ + vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode); r = radeon_init(rdev); if (r) |