[media] media: ti-vpe: vpdma: Clear IRQs for individual lists

VPDMA IRQs are registered for multiple lists
When clearing an IRQ for a list interrupt, all the
IRQs for the individual lists are to be cleared separately.

Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/ti-vpe/vpdma.c

@@ -953,12 +953,12 @@ unsigned int vpdma_get_list_mask(struct vpdma_data *vpdma, int irq_num)
 EXPORT_SYMBOL(vpdma_get_list_mask);
 
 /* clear previosuly occured list intterupts in the LIST_STAT register */
-void vpdma_clear_list_stat(struct vpdma_data *vpdma, int irq_num)
+void vpdma_clear_list_stat(struct vpdma_data *vpdma, int irq_num,
+			   int list_num)
 {
 	u32 reg_addr = VPDMA_INT_LIST0_STAT + VPDMA_INTX_OFFSET * irq_num;
 
-	write_reg(vpdma, reg_addr,
-		read_reg(vpdma, reg_addr));
+	write_reg(vpdma, reg_addr, 3 << (list_num * 2));
 }
 EXPORT_SYMBOL(vpdma_clear_list_stat);
 

drivers/media/platform/ti-vpe/vpdma.h

@@ -244,7 +244,8 @@ int vpdma_list_cleanup(struct vpdma_data *vpdma, int list_num,
 /* vpdma list interrupt management */
 void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int irq_num,
 		int list_num, bool enable);
-void vpdma_clear_list_stat(struct vpdma_data *vpdma, int irq_num);
+void vpdma_clear_list_stat(struct vpdma_data *vpdma, int irq_num,
+			   int list_num);
 unsigned int vpdma_get_list_stat(struct vpdma_data *vpdma, int irq_num);
 unsigned int vpdma_get_list_mask(struct vpdma_data *vpdma, int irq_num);
 

drivers/media/platform/ti-vpe/vpe.c

@@ -1326,7 +1326,7 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data)
 
 	if (irqst0) {
 		if (irqst0 & VPE_INT0_LIST0_COMPLETE)
-			vpdma_clear_list_stat(ctx->dev->vpdma, 0);
+			vpdma_clear_list_stat(ctx->dev->vpdma, 0, 0);
 
 		irqst0 &= ~(VPE_INT0_LIST0_COMPLETE);
 	}