msm: sde: Disable client driven prefetch for rotator
QOS bit for CDP is not set for sdm660 and msm8998 but
still CDP is enabled, as default value of register keeps
it enabled. Disable the default bit in register if CDP
is disabled.
Change-Id: If8c43642c44c3e1613ce3fe088622ac8c73795f0
Signed-off-by: Jayant Shekhar <jshekhar@codeaurora.org>
Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
diff --git a/drivers/media/platform/msm/sde/rotator/sde_rotator_r3.c b/drivers/media/platform/msm/sde/rotator/sde_rotator_r3.c
index 04a90e3..1f42bc8 100644
--- a/drivers/media/platform/msm/sde/rotator/sde_rotator_r3.c
+++ b/drivers/media/platform/msm/sde/rotator/sde_rotator_r3.c
@@ -1751,6 +1751,12 @@
SDE_ROTREG_WRITE(rot->mdss_base, ROT_SSPP_CREQ_LUT, qos_lut);
}
+ /* Set CDP control registers to 0 if CDP is disabled */
+ if (!test_bit(SDE_QOS_CDP, mdata->sde_qos_map)) {
+ SDE_ROTREG_WRITE(rot->mdss_base, ROT_SSPP_CDP_CNTL, 0x0);
+ SDE_ROTREG_WRITE(rot->mdss_base, ROT_WB_CDP_CNTL, 0x0);
+ }
+
if (mdata->npriority_lvl > 0) {
u32 mask, reg_val, i, vbif_qos;