From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, Alex Deucher <alexander.deucher@amd.com>,
Rex Zhu <Rex.Zhu@amd.com>
Subject: [PATCH 4.9 16/23] drm/amd/powerplay: fix uninitialized variable
Date: Tue, 31 Oct 2017 10:55:40 +0100 [thread overview]
Message-ID: <20171031095518.141878033@linuxfoundation.org> (raw)
In-Reply-To: <20171031095517.400573240@linuxfoundation.org>
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Rex Zhu <Rex.Zhu@amd.com>
commit 8b95f4f730cba02ef6febbdc4ca7e55ca045b00e upstream.
refresh_rate was not initialized when program
display gap.
this patch can fix vce ring test failed
when do S3 on Polaris10.
bug: https://bugs.freedesktop.org/show_bug.cgi?id=103102
bug: https://bugzilla.kernel.org/show_bug.cgi?id=196615
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -825,7 +825,7 @@ uint32_t smu7_get_xclk(struct pp_hwmgr *
{
uint32_t reference_clock, tmp;
struct cgs_display_info info = {0};
- struct cgs_mode_info mode_info;
+ struct cgs_mode_info mode_info = {0};
info.mode_info = &mode_info;
@@ -3718,10 +3718,9 @@ int smu7_program_display_gap(struct pp_h
uint32_t ref_clock;
uint32_t refresh_rate = 0;
struct cgs_display_info info = {0};
- struct cgs_mode_info mode_info;
+ struct cgs_mode_info mode_info = {0};
info.mode_info = &mode_info;
-
cgs_get_active_displays_info(hwmgr->device, &info);
num_active_displays = info.display_count;
@@ -3737,6 +3736,7 @@ int smu7_program_display_gap(struct pp_h
frame_time_in_us = 1000000 / refresh_rate;
pre_vbi_time_in_us = frame_time_in_us - 200 - mode_info.vblank_time_us;
+
data->frame_time_x2 = frame_time_in_us * 2 / 100;
display_gap2 = pre_vbi_time_in_us * (ref_clock / 100);
next prev parent reply other threads:[~2017-10-31 9:56 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-31 9:55 [PATCH 4.9 00/23] 4.9.60-stable review Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 01/23] workqueue: replace pool->manager_arb mutex with a flag Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 02/23] ALSA: hda/realtek - Add support for ALC236/ALC3204 Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 03/23] ALSA: hda - fix headset mic problem for Dell machines with alc236 Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 04/23] ceph: unlock dangling spinlock in try_flush_caps() Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 05/23] usb: xhci: Handle error condition in xhci_stop_device() Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 06/23] KVM: PPC: Fix oops when checking KVM_CAP_PPC_HTM Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 07/23] spi: uapi: spidev: add missing ioctl header Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 08/23] spi: bcm-qspi: Fix use after free in bcm_qspi_probe() in error path Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 09/23] fuse: fix READDIRPLUS skipping an entry Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 10/23] xen/gntdev: avoid out of bounds access in case of partial gntdev_mmap() Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 11/23] Input: elan_i2c - add ELAN0611 to the ACPI table Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 12/23] Input: gtco - fix potential out-of-bound access Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 13/23] assoc_array: Fix a buggy node-splitting case Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 14/23] scsi: zfcp: fix erp_action use-before-initialize in REC action trace Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 15/23] scsi: sg: Re-fix off by one in sg_fill_request_table() Greg Kroah-Hartman
2017-10-31 9:55 ` Greg Kroah-Hartman [this message]
2017-10-31 9:55 ` [PATCH 4.9 17/23] can: sun4i: fix loopback mode Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 18/23] can: kvaser_usb: Correct return value in printout Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 19/23] can: kvaser_usb: Ignore CMD_FLUSH_QUEUE_REPLY messages Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 20/23] cfg80211: fix connect/disconnect edge cases Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 21/23] ipsec: Fix aborted xfrm policy dump crash Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 22/23] regulator: fan53555: fix I2C device ids Greg Kroah-Hartman
2017-10-31 9:55 ` [PATCH 4.9 23/23] ecryptfs: fix dereference of NULL user_key_payload Greg Kroah-Hartman
[not found] ` <59f8951e.87d8500a.cbc53.9419@mx.google.com>
2017-10-31 16:52 ` [PATCH 4.9 00/23] 4.9.60-stable review Greg Kroah-Hartman
2017-10-31 17:01 ` Mark Brown
2017-10-31 17:19 ` Guenter Roeck
2017-10-31 20:08 ` Shuah Khan
2017-10-31 20:59 ` Tom Gall
2017-10-31 20:59 ` Tom Gall
2017-11-01 15:21 ` Greg Kroah-Hartman
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