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drm/rockchip: vop: add error irq handle

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Change-Id: I84a3bc5c9798bbd4e0b11bc499f4df5ca1907cb7
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
This commit is contained in:
Mark Yao
2017-05-25 09:40:34 +08:00
committed by Huang, Tao
parent 9589a39989
commit 1dc3517d2f
1 changed files with 24 additions and 0 deletions
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24
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
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@@ -939,6 +939,7 @@ err_disable_hclk:
static void vop_initial(struct drm_crtc *crtc)
{
struct vop *vop = to_vop(crtc);
uint32_t irqs;
int i;
vop_power_enable(crtc);
@@ -972,6 +973,12 @@ static void vop_initial(struct drm_crtc *crtc)
VOP_WIN_SET(vop, win, gate, 1);
}
VOP_CTRL_SET(vop, afbdc_en, 0);
irqs = BUS_ERROR_INTR | WIN0_EMPTY_INTR | WIN1_EMPTY_INTR |
WIN2_EMPTY_INTR | WIN3_EMPTY_INTR | HWC_EMPTY_INTR |
POST_BUF_EMPTY_INTR;
VOP_INTR_SET_TYPE(vop, clear, irqs, 1);
VOP_INTR_SET_TYPE(vop, enable, irqs, 1);
}
static void vop_crtc_disable(struct drm_crtc *crtc)
@@ -2609,6 +2616,23 @@ static irqreturn_t vop_isr(int irq, void *data)
ret = IRQ_HANDLED;
}
#define ERROR_HANDLER(x) \
do { \
if (active_irqs & x##_INTR) {\
DRM_DEV_ERROR_RATELIMITED(vop->dev, #x " irq err\n"); \
active_irqs &= ~x##_INTR; \
ret = IRQ_HANDLED; \
} \
} while (0)
ERROR_HANDLER(BUS_ERROR);
ERROR_HANDLER(WIN0_EMPTY);
ERROR_HANDLER(WIN1_EMPTY);
ERROR_HANDLER(WIN2_EMPTY);
ERROR_HANDLER(WIN3_EMPTY);
ERROR_HANDLER(HWC_EMPTY);
ERROR_HANDLER(POST_BUF_EMPTY);
/* Unhandled irqs are spurious. */
if (active_irqs)
DRM_ERROR("Unknown VOP IRQs: %#02x\n", active_irqs);