diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2015-05-28 01:05:20 +0300 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2016-12-19 11:24:57 +0200 |
| commit | 6b5538d4ecb7679d7dc6b45f2f4db3e6958d8fe5 (patch) | |
| tree | fc9fb0bf8efddac911d3ba8c5f3b263a69827235 /drivers/gpu/drm/omapdrm | |
| parent | e0519af75d6eabf1876cf6af0c60704f97ab82b3 (diff) | |
| download | linux-6b5538d4ecb7679d7dc6b45f2f4db3e6958d8fe5.tar.bz2 | |
drm: omapdrm: Handle OCP error IRQ directly
Instead of going through a complicated registration mechanism, just
call the OCP error IRQ handler directly from the main IRQ handler.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_irq.c | 28 |
2 files changed, 10 insertions, 19 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index 0d88c9798df9..851629e8704e 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -103,7 +103,6 @@ struct omap_drm_private { /* irq handling: */ struct list_head irq_list; /* list of omap_drm_irq */ uint32_t irq_mask; /* enabled irqs in addition to irq_list */ - struct omap_drm_irq error_handler; /* atomic commit */ struct { diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c index 58c5efb26766..e1925fa6d849 100644 --- a/drivers/gpu/drm/omapdrm/omap_irq.c +++ b/drivers/gpu/drm/omapdrm/omap_irq.c @@ -21,12 +21,6 @@ static DEFINE_SPINLOCK(list_lock); -static void omap_irq_error_handler(struct omap_drm_irq *irq, - uint32_t irqstatus) -{ - DRM_ERROR("errors: %08x\n", irqstatus); -} - /* call with list_lock and dispc runtime held */ static void omap_irq_update(struct drm_device *dev) { @@ -224,6 +218,14 @@ static void omap_irq_fifo_underflow(struct omap_drm_private *priv, pr_cont("(0x%08x)\n", irqstatus); } +static void omap_irq_ocp_error_handler(u32 irqstatus) +{ + if (!(irqstatus & DISPC_IRQ_OCP_ERR)) + return; + + DRM_ERROR("OCP error\n"); +} + static irqreturn_t omap_irq_handler(int irq, void *arg) { struct drm_device *dev = (struct drm_device *) arg; @@ -250,6 +252,7 @@ static irqreturn_t omap_irq_handler(int irq, void *arg) omap_crtc_error_irq(crtc, irqstatus); } + omap_irq_ocp_error_handler(irqstatus); omap_irq_fifo_underflow(priv, irqstatus); spin_lock_irqsave(&list_lock, flags); @@ -282,7 +285,6 @@ static const u32 omap_underflow_irqs[] = { int omap_drm_irq_install(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; - struct omap_drm_irq *error_handler = &priv->error_handler; unsigned int num_mgrs = dss_feat_get_num_mgrs(); unsigned int max_planes; unsigned int i; @@ -290,7 +292,7 @@ int omap_drm_irq_install(struct drm_device *dev) INIT_LIST_HEAD(&priv->irq_list); - priv->irq_mask = 0; + priv->irq_mask = DISPC_IRQ_OCP_ERR; max_planes = min(ARRAY_SIZE(priv->planes), ARRAY_SIZE(omap_underflow_irqs)); @@ -310,16 +312,6 @@ int omap_drm_irq_install(struct drm_device *dev) if (ret < 0) return ret; - error_handler->irq = omap_irq_error_handler; - error_handler->irqmask = DISPC_IRQ_OCP_ERR; - - /* for now ignore DISPC_IRQ_SYNC_LOST_DIGIT.. really I think - * we just need to ignore it while enabling tv-out - */ - error_handler->irqmask &= ~DISPC_IRQ_SYNC_LOST_DIGIT; - - omap_irq_register(dev, error_handler); - dev->irq_enabled = true; return 0; |