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[v3,14/22] drm/tilcdc: cleanup irq handling

Message ID 7486f414108baeb0445160bc34ac0ef7e6f0e4e0.1456239300.git.jsarha@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jyri Sarha Feb. 23, 2016, 3:03 p.m. UTC 
From: Tomi Valkeinen <tomi.valkeinen@ti.com>

Cleanup irq handling. Clear the irq status unconditionally and
restructure the status bit conditions.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
[Added description to the patch]
Signed-off-by: Jyri Sarha <jsarha@ti.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index 61aead2..a6ef737 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -656,11 +656,12 @@  irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
 	struct drm_device *dev = crtc->dev;
 	struct tilcdc_drm_private *priv = dev->dev_private;
-	uint32_t stat = tilcdc_read_irqstatus(dev);
+	uint32_t stat;
 
-	if (stat & LCDC_PL_LOAD_DONE) {
-		tilcdc_clear_irqstatus(dev, stat);
-	} else {
+	stat = tilcdc_read_irqstatus(dev);
+	tilcdc_clear_irqstatus(dev, stat);
+
+	if ((stat & LCDC_END_OF_FRAME0) || (stat & LCDC_END_OF_FRAME1)) {
 		struct drm_pending_vblank_event *event;
 		unsigned long flags;
 		uint32_t dirty = tilcdc_crtc->dirty & stat;