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Commit 5ba18584 authored by Jayant Shekhar's avatar Jayant Shekhar Committed by Gerrit - the friendly Code Review server
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drm/msm/sde: Register IRQ for CWB only for valid HW index 



Concurrent writeback is currently supported only from LM2-PP2
indexes. If lower index LM/PP is selected then valid IRQ is not
registered resulting in error logging though non-fatal. Fix
this by registering CWB IRQ only if its valid.

Change-Id: I83831fa610730d4bea3f3ad9b96732126b6b2127
Signed-off-by: default avatarJayant Shekhar <jshekhar@codeaurora.org>
parent b0e5566f

drivers/gpu/drm/msm/sde/sde_encoder_phys_wb.c

+6 −4
Original line number Diff line number Diff line
@@ -1126,6 +1126,7 @@ static void sde_encoder_phys_wb_irq_ctrl( 
			atomic_dec_return(&phys->wbirq_refcount);



		for (index = 0; index < CRTC_DUAL_MIXERS; index++)

			if (cwb_irq_tbl[index + pp] != SDE_NONE)

				sde_encoder_helper_register_irq(phys,

					cwb_irq_tbl[index + pp]);

	} else if (!enable &&
@@ -1135,6 +1136,7 @@ static void sde_encoder_phys_wb_irq_ctrl( 
			atomic_inc_return(&phys->wbirq_refcount);



		for (index = 0; index < CRTC_DUAL_MIXERS; index++)

			if (cwb_irq_tbl[index + pp] != SDE_NONE)

				sde_encoder_helper_unregister_irq(phys,

					cwb_irq_tbl[index + pp]);

	}