video: rockchip: mpp: fix some 8k av1 video crash issue

1.Some 8K frames took more than 200ms to decode,causing software timeout.
Solution:
Increase the software timeout threshold to 500ms

2.After power off av1dec, read/write reg in cache irq causing kernel
crash.
Solution:
There are two irq for av1:
    a. vcd_irq is decode irq what we need to care about.
    b. cache irq what we do not need to care about.
  So disable the cache irq  temporarily.

Signed-off-by: Yandong Lin <yandong.lin@rock-chips.com>
Change-Id: I282b8e0614321b5adf0fac5f31bb88e2bdb2bf6c

drivers/video/rockchip/mpp/mpp_av1dec.c

@@ -472,6 +472,7 @@ free_task:
 
 #define AV1_L2_CACHE_SHAPER_CTRL	0x20
 #define AV1_L2_CACHE_SHAPER_EN		BIT(0)
+#define AV1_L2_CACHE_INT_MASK		0x30
 #define AV1_L2_CACHE_PP0_Y_CONFIG0	0x84
 #define AV1_L2_CACHE_PP0_Y_CONFIG2	0x8c
 #define AV1_L2_CACHE_PP0_Y_CONFIG3	0x90
@@ -526,6 +527,9 @@ static int av1dec_set_l2_cache(struct av1dec_dev *dec, struct av1dec_task *task)
 
 		val = line_cnt | (max_h << 16);
 		writel_relaxed(val, dec->reg_base[AV1DEC_CLASS_CACHE] + AV1_L2_CACHE_PP0_U_CONFIG3);
+		/* mask cache irq */
+		writel_relaxed(0xf, dec->reg_base[AV1DEC_CLASS_CACHE] + AV1_L2_CACHE_INT_MASK);
+
 		/* shaper enable */
 		writel_relaxed(AV1_L2_CACHE_SHAPER_EN,
 			       dec->reg_base[AV1DEC_CLASS_CACHE] + AV1_L2_CACHE_SHAPER_CTRL);

drivers/video/rockchip/mpp/mpp_common.c

@@ -36,7 +36,7 @@
 #include "mpp_common.h"
 #include "mpp_iommu.h"
 
-#define MPP_WORK_TIMEOUT_DELAY		(200)
+#define MPP_WORK_TIMEOUT_DELAY		(500)
 #define MPP_WAIT_TIMEOUT_DELAY		(2000)
 
 /* Use 'v' as magic number */