diff mbox series

[v13,07/10] drm/msm/dpu: always clear every individual pending flush mask

Message ID 1684800039-18231-8-git-send-email-quic_khsieh@quicinc.com
State Accepted
Commit 625cbb077007698060b12d0ae5657a4d8411b153
Headers show
Series add DSC 1.2 dpu supports | expand

Commit Message

Kuogee Hsieh May 23, 2023, midnight UTC 
There are two tiers of pending flush control, top levle and
individual hardware block. Currently only the top level of
flush mask is reset to 0 but the individual pending flush masks
of particular hardware blocks are left at their previous values,
eventually accumulating all possible bit values and typically
flushing more than necessary.
Reset all individual hardware blocks flush masks to 0 to avoid
individual hardware block be triggered accidentally.

Changes in V13:
-- rewording commi ttext
-- add an empty space line as suggested

Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
index 69d0ea2..64c21e0 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -100,6 +100,9 @@  static inline void dpu_hw_ctl_clear_pending_flush(struct dpu_hw_ctl *ctx)
 	trace_dpu_hw_ctl_clear_pending_flush(ctx->pending_flush_mask,
 				     dpu_hw_ctl_get_flush_register(ctx));
 	ctx->pending_flush_mask = 0x0;
+	ctx->pending_intf_flush_mask = 0;
+	ctx->pending_wb_flush_mask = 0;
+	ctx->pending_merge_3d_flush_mask = 0;
 
 	memset(ctx->pending_dspp_flush_mask, 0,
 		sizeof(ctx->pending_dspp_flush_mask));