From: Rosen Penev <rosenp@gmail.com>
To: stable@vger.kernel.org
Cc: "Kenneth Feng" <kenneth.feng@amd.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"Xinhui Pan" <Xinhui.Pan@amd.com>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
amd-gfx@lists.freedesktop.org (open list:AMD POWERPLAY AND SWSMU),
dri-devel@lists.freedesktop.org (open list:DRM DRIVERS),
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 1/2] Revert "drm/amd/pm: Disable MCLK switching on SI at high pixel clocks"
Date: Fri, 20 Feb 2026 19:44:01 -0800 [thread overview]
Message-ID: <20260221034402.69537-2-rosenp@gmail.com> (raw)
In-Reply-To: <20260221034402.69537-1-rosenp@gmail.com>
This reverts commit d033e8cf4e8f6395102cdbc3cb00dc7cb9542f53.
Cc: Timur Kristóf <timur.kristof@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
index 29cecfab0704..05eaa06dfa34 100644
--- a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
+++ b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
@@ -3486,11 +3486,6 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev,
* for these GPUs to calculate bandwidth requirements.
*/
if (high_pixelclock_count) {
- /* Work around flickering lines at the bottom edge
- * of the screen when using a single 4K 60Hz monitor.
- */
- disable_mclk_switching = true;
-
/* On Oland, we observe some flickering when two 4K 60Hz
* displays are connected, possibly because voltage is too low.
* Raise the voltage by requiring a higher SCLK.
--
2.53.0
next prev parent reply other threads:[~2026-02-21 3:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-21 3:44 [PATCH 0/2] 6.12 and below: amdgpu: fix panic with SI and DC Rosen Penev
2026-02-21 3:44 ` Rosen Penev [this message]
2026-02-21 5:40 ` [PATCH 1/2] Revert "drm/amd/pm: Disable MCLK switching on SI at high pixel clocks" Greg KH
2026-02-21 5:54 ` Rosen Penev
2026-02-21 6:33 ` Greg KH
2026-02-21 3:44 ` [PATCH 2/2] Revert "drm/amd/pm: Disable SCLK switching on Oland with high pixel clocks (v3)" Rosen Penev
2026-02-21 5:41 ` Greg KH
2026-02-21 5:52 ` Rosen Penev
2026-02-21 6:33 ` Greg KH
2026-02-21 8:48 ` Rosen Penev
2026-02-21 5:41 ` [PATCH 0/2] 6.12 and below: amdgpu: fix panic with SI and DC Greg KH
2026-02-21 5:55 ` Rosen Penev
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