From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sean Paul <seanpaul@chromium.org>,
Rob Clark <robdclark@gmail.com>, Sasha Levin <sashal@kernel.org>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org
Subject: [PATCH AUTOSEL 4.4 05/23] drm/msm: Grab a vblank reference when waiting for commit_done
Date: Wed, 12 Dec 2018 23:32:41 -0500 [thread overview]
Message-ID: <20181213043259.76643-5-sashal@kernel.org> (raw)
In-Reply-To: <20181213043259.76643-1-sashal@kernel.org>
From: Sean Paul <seanpaul@chromium.org>
[ Upstream commit 3b712e43e3876b42b38321ecf790a1f5fe59c834 ]
Similar to the atomic helpers, we should enable vblank while we're
waiting for the commit to finish. DPU needs this, MDP5 seems to work
fine without it.
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/msm/msm_atomic.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
index 7eb253bc24df..221eaea651d4 100644
--- a/drivers/gpu/drm/msm/msm_atomic.c
+++ b/drivers/gpu/drm/msm/msm_atomic.c
@@ -107,7 +107,12 @@ static void msm_atomic_wait_for_commit_done(struct drm_device *dev,
if (old_state->legacy_cursor_update)
continue;
+ if (drm_crtc_vblank_get(crtc))
+ continue;
+
kms->funcs->wait_for_crtc_commit_done(kms, crtc);
+
+ drm_crtc_vblank_put(crtc);
}
}
--
2.19.1
next prev parent reply other threads:[~2018-12-13 4:33 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-13 4:32 [PATCH AUTOSEL 4.4 01/23] mac80211_hwsim: fix module init error paths for netlink Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 02/23] scsi: libiscsi: Fix NULL pointer dereference in iscsi_eh_session_reset Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 03/23] scsi: vmw_pscsi: Rearrange code to avoid multiple calls to free_irq during unload Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 04/23] x86/earlyprintk/efi: Fix infinite loop on some screen widths Sasha Levin
2018-12-13 4:32 ` Sasha Levin [this message]
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 06/23] ARC: io.h: Implement reads{x}()/writes{x}() Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 07/23] bonding: fix 802.3ad state sent to partner when unbinding slave Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 08/23] SUNRPC: Fix leak of krb5p encode pages Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 09/23] SUNRPC: Fix a potential race in xprt_connect() Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 10/23] sbus: char: add of_node_put() Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 11/23] drivers/sbus/char: " Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 12/23] drivers/tty: add missing of_node_put() Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 13/23] ide: pmac: add of_node_put() Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 14/23] clk: mmp: Off by one in mmp_clk_add() Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 15/23] Input: omap-keypad - fix keyboard debounce configuration Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 16/23] libata: whitelist all SAMSUNG MZ7KM* solid-state disks Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 17/23] net: phy: don't allow __set_phy_supported to add unsupported modes Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 18/23] net: 8139cp: fix a BUG triggered by changing mtu with network traffic Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 19/23] mv88e6060: disable hardware level MAC learning Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 20/23] ARM: 8814/1: mm: improve/fix ARM v7_dma_inv_range() unaligned address handling Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 21/23] cifs: In Kconfig CONFIG_CIFS_POSIX needs depends on legacy (insecure cifs) Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 22/23] i2c: axxia: properly handle master timeout Sasha Levin
2018-12-13 4:32 ` [PATCH AUTOSEL 4.4 23/23] i2c: scmi: Fix probe error on devices with an empty SMB0001 ACPI device node Sasha Levin
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