openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/i915:Handle the irq interrupt for the second BSD ring 

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Zhao Yakui 2014-04-17 10:37:38 +08:00 committed by Daniel Vetter
parent 845f74a701
commit 85f9b5f9c4
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/i915/i915_irq.c
View File

@ -1347,13 +1347,16 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_device *dev,
DRM_ERROR("The master control interrupt lied (GT0)!\n");
}
if (master_ctl & GEN8_GT_VCS1_IRQ) {
if (master_ctl & (GEN8_GT_VCS1_IRQ | GEN8_GT_VCS2_IRQ)) {
tmp = I915_READ(GEN8_GT_IIR(1));
if (tmp) {
ret = IRQ_HANDLED;
vcs = tmp >> GEN8_VCS1_IRQ_SHIFT;
if (vcs & GT_RENDER_USER_INTERRUPT)
notify_ring(dev, &dev_priv->ring[VCS]);
vcs = tmp >> GEN8_VCS2_IRQ_SHIFT;
if (vcs & GT_RENDER_USER_INTERRUPT)
notify_ring(dev, &dev_priv->ring[VCS2]);
I915_WRITE(GEN8_GT_IIR(1), tmp);
} else
DRM_ERROR("The master control interrupt lied (GT1)!\n");