drm/tilcdc: cleanup irq handling

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>
This commit is contained in:
Tomi Valkeinen 2015-10-20 12:08:03 +03:00 committed by Jyri Sarha
parent 31ec5a2c7e
commit 317aae738b
1 changed files with 5 additions and 4 deletions

View File

@ -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;