diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_vidi.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_vidi.c | 62 |
1 files changed, 20 insertions, 42 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 99bfc38dfaa2..13ccbd4bcfaa 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -98,10 +98,12 @@ static bool vidi_display_is_connected(struct device *dev) return ctx->connected ? true : false; } -static int vidi_get_edid(struct device *dev, struct drm_connector *connector, - u8 *edid, int len) +static struct edid *vidi_get_edid(struct device *dev, + struct drm_connector *connector) { struct vidi_context *ctx = get_vidi_context(dev); + struct edid *edid; + int edid_len; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -111,13 +113,18 @@ static int vidi_get_edid(struct device *dev, struct drm_connector *connector, */ if (!ctx->raw_edid) { DRM_DEBUG_KMS("raw_edid is null.\n"); - return -EFAULT; + return ERR_PTR(-EFAULT); } - memcpy(edid, ctx->raw_edid, min((1 + ctx->raw_edid->extensions) - * EDID_LENGTH, len)); + edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH; + edid = kzalloc(edid_len, GFP_KERNEL); + if (!edid) { + DRM_DEBUG_KMS("failed to allocate edid\n"); + return ERR_PTR(-ENOMEM); + } - return 0; + memcpy(edid, ctx->raw_edid, edid_len); + return edid; } static void *vidi_get_panel(struct device *dev) @@ -372,34 +379,6 @@ static struct exynos_drm_manager vidi_manager = { .display_ops = &vidi_display_ops, }; -static void vidi_finish_pageflip(struct drm_device *drm_dev, int crtc) -{ - struct exynos_drm_private *dev_priv = drm_dev->dev_private; - struct drm_pending_vblank_event *e, *t; - struct timeval now; - unsigned long flags; - - spin_lock_irqsave(&drm_dev->event_lock, flags); - - list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list, - base.link) { - /* if event's pipe isn't same as crtc then ignore it. */ - if (crtc != e->pipe) - continue; - - do_gettimeofday(&now); - e->event.sequence = 0; - e->event.tv_sec = now.tv_sec; - e->event.tv_usec = now.tv_usec; - - list_move_tail(&e->base.link, &e->base.file_priv->event_list); - wake_up_interruptible(&e->base.file_priv->event_wait); - drm_vblank_put(drm_dev, crtc); - } - - spin_unlock_irqrestore(&drm_dev->event_lock, flags); -} - static void vidi_fake_vblank_handler(struct work_struct *work) { struct vidi_context *ctx = container_of(work, struct vidi_context, @@ -424,7 +403,7 @@ static void vidi_fake_vblank_handler(struct work_struct *work) mutex_unlock(&ctx->lock); - vidi_finish_pageflip(subdrv->drm_dev, manager->pipe); + exynos_drm_crtc_finish_pageflip(subdrv->drm_dev, manager->pipe); } static int vidi_subdrv_probe(struct drm_device *drm_dev, struct device *dev) @@ -542,7 +521,6 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data, struct exynos_drm_manager *manager; struct exynos_drm_display_ops *display_ops; struct drm_exynos_vidi_connection *vidi = data; - struct edid *raw_edid; int edid_len; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -579,11 +557,11 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data, } if (vidi->connection) { - if (!vidi->edid) { - DRM_DEBUG_KMS("edid data is null.\n"); + struct edid *raw_edid = (struct edid *)(uint32_t)vidi->edid; + if (!drm_edid_is_valid(raw_edid)) { + DRM_DEBUG_KMS("edid data is invalid.\n"); return -EINVAL; } - raw_edid = (struct edid *)(uint32_t)vidi->edid; edid_len = (1 + raw_edid->extensions) * EDID_LENGTH; ctx->raw_edid = kzalloc(edid_len, GFP_KERNEL); if (!ctx->raw_edid) { @@ -609,7 +587,7 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data, return 0; } -static int __devinit vidi_probe(struct platform_device *pdev) +static int vidi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct vidi_context *ctx; @@ -645,7 +623,7 @@ static int __devinit vidi_probe(struct platform_device *pdev) return 0; } -static int __devexit vidi_remove(struct platform_device *pdev) +static int vidi_remove(struct platform_device *pdev) { struct vidi_context *ctx = platform_get_drvdata(pdev); @@ -683,7 +661,7 @@ static const struct dev_pm_ops vidi_pm_ops = { struct platform_driver vidi_driver = { .probe = vidi_probe, - .remove = __devexit_p(vidi_remove), + .remove = vidi_remove, .driver = { .name = "exynos-drm-vidi", .owner = THIS_MODULE, |