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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Sergei Lopatin <magist3r@gmail.com>,
	Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH 4.19 27/40] drm/amd/powerplay: force the trim of the mclk dpm_levels if OD is enabled
Date: Mon, 20 Apr 2020 14:39:37 +0200	[thread overview]
Message-ID: <20200420121502.624916831@linuxfoundation.org> (raw)
In-Reply-To: <20200420121444.178150063@linuxfoundation.org>

From: Sergei Lopatin <magist3r@gmail.com>

commit 8c7f0a44b4b4ef16df8f44fbaee6d1f5d1593c83 upstream.

Should prevent flicker if PP_OVERDRIVE_MASK is set.

bug: https://bugs.freedesktop.org/show_bug.cgi?id=102646
bug: https://bugs.freedesktop.org/show_bug.cgi?id=108941
bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1088
bug: https://gitlab.freedesktop.org/drm/amd/-/issues/628

Signed-off-by: Sergei Lopatin <magist3r@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3788,9 +3788,12 @@ static int smu7_trim_single_dpm_states(s
 {
 	uint32_t i;
 
+	/* force the trim if mclk_switching is disabled to prevent flicker */
+	bool force_trim = (low_limit == high_limit);
 	for (i = 0; i < dpm_table->count; i++) {
 	/*skip the trim if od is enabled*/
-		if (!hwmgr->od_enabled && (dpm_table->dpm_levels[i].value < low_limit
+		if ((!hwmgr->od_enabled || force_trim)
+			&& (dpm_table->dpm_levels[i].value < low_limit
 			|| dpm_table->dpm_levels[i].value > high_limit))
 			dpm_table->dpm_levels[i].enabled = false;
 		else



  parent reply	other threads:[~2020-04-20 12:48 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-20 12:39 [PATCH 4.19 00/40] 4.19.117-rc1 review Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 01/40] amd-xgbe: Use __napi_schedule() in BH context Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 02/40] hsr: check protocol version in hsr_newlink() Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 03/40] net: ipv4: devinet: Fix crash when add/del multicast IP with autojoin Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 04/40] net: ipv6: do not consider routes via gateways for anycast address check Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 05/40] net: qrtr: send msgs from local of same id as broadcast Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 06/40] net: revert default NAPI poll timeout to 2 jiffies Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 07/40] net: stmmac: dwmac-sunxi: Provide TX and RX fifo sizes Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 08/40] net: dsa: mt7530: fix tagged frames pass-through in VLAN-unaware mode Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 09/40] ovl: fix value of i_ino for lower hardlink corner case Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 10/40] scsi: ufs: Fix ufshcd_hold() caused scheduling while atomic Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 11/40] jbd2: improve comments about freeing data buffers whose page mapping is NULL Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 12/40] pwm: pca9685: Fix PWM/GPIO inter-operation Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 13/40] ext4: fix incorrect group count in ext4_fill_super error message Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 14/40] ext4: fix incorrect inodes per group in " Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 15/40] ASoC: Intel: mrfld: fix incorrect check on p->sink Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 16/40] ASoC: Intel: mrfld: return error codes when an error occurs Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 17/40] ALSA: usb-audio: Filter error from connector kctl ops, too Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 18/40] ALSA: usb-audio: Dont override ignore_ctl_error value from the map Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 19/40] ALSA: usb-audio: Dont create jack controls for PCM terminals Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 20/40] ALSA: usb-audio: Check mapping at creating connector controls, too Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 21/40] keys: Fix proc_keys_next to increase position index Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 22/40] tracing: Fix the race between registering snapshot event trigger and triggering snapshot operation Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 23/40] btrfs: check commit root generation in should_ignore_root Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 24/40] mac80211_hwsim: Use kstrndup() in place of kasprintf() Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 25/40] usb: dwc3: gadget: dont enable interrupt when disabling endpoint Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 26/40] usb: dwc3: gadget: Dont clear flags before transfer ended Greg Kroah-Hartman
2020-04-20 12:39 ` Greg Kroah-Hartman [this message]
2020-04-20 12:39 ` [PATCH 4.19 28/40] ext4: do not zeroout extents beyond i_disksize Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 29/40] kvm: x86: Host feature SSBD doesnt imply guest feature SPEC_CTRL_SSBD Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 30/40] scsi: target: remove boilerplate code Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 31/40] scsi: target: fix hang when multiple threads try to destroy the same iscsi session Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 32/40] x86/microcode/AMD: Increase microcode PATCH_MAX_SIZE Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 33/40] x86/resctrl: Preserve CDP enable over CPU hotplug Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 34/40] x86/resctrl: Fix invalid attempt at removing the default resource group Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 35/40] wil6210: check rx_buff_mgmt before accessing it Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 36/40] wil6210: ignore HALP ICR if already handled Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 37/40] wil6210: add general initialization/size checks Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 38/40] wil6210: make sure Rx ring sizes are correlated Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 39/40] wil6210: remove reset file from debugfs Greg Kroah-Hartman
2020-04-20 12:39 ` [PATCH 4.19 40/40] mm/vmalloc.c: move area->pages after if statement Greg Kroah-Hartman
2020-04-20 14:17 ` [PATCH 4.19 00/40] 4.19.117-rc1 review Chris Paterson
2020-04-21  9:55   ` Greg Kroah-Hartman
2020-04-20 19:51 ` Guenter Roeck
2020-04-20 22:24 ` Naresh Kamboju
2020-04-21  9:56   ` Greg Kroah-Hartman
2020-04-22 17:53   ` Ben Hutchings
2020-04-21  9:52 ` Jon Hunter
2020-04-21 20:04 ` shuah

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