Revert "drm/msm/sde: remove register access from sde probe"

This reverts commit 6fe7f679d4e5 ("drm/msm/sde: remove
register access from sde probe") because sde clocks are
accessible for sdm845 target.

Change-Id: I024ea5ded090bc19d8ed73d8baa44281e0da11aa
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_hw_interrupts.c b/drivers/gpu/drm/msm/sde/sde_hw_interrupts.c
index 47fb07f..d5289c0 100644
--- a/drivers/gpu/drm/msm/sde/sde_hw_interrupts.c
+++ b/drivers/gpu/drm/msm/sde/sde_hw_interrupts.c
@@ -844,11 +844,21 @@
 
 static int sde_hw_intr_clear_irqs(struct sde_hw_intr *intr)
 {
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(sde_intr_set); i++)
+		SDE_REG_WRITE(&intr->hw, sde_intr_set[i].clr_off, 0xffffffff);
+
 	return 0;
 }
 
 static int sde_hw_intr_disable_irqs(struct sde_hw_intr *intr)
 {
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(sde_intr_set); i++)
+		SDE_REG_WRITE(&intr->hw, sde_intr_set[i].en_off, 0x00000000);
+
 	return 0;
 }