Comme=
nt # 46
on bug 10337=
0
from Shih-Yuan Lee
The Linux kernel of C=
omment 45 is 4.15.0-10.11 from Ubuntu 18.04.
When I tried a later version 4.15.0-12.13, I can not reduplicate this issue=
on
Ubuntu 18.04.
4.15.0-12.13 contains the following commit.
commit 239b5f64e12b1f09f506c164dff0374924782979
Author: Alex Deucher <a=
lexander.deucher@amd.com>
Date: Tue Nov 21 12:09:38 2017 -0500
drm/radeon: Add dpm quirk for Jet PRO (v2)
Fixes stability issues.
v2: clamp sclk to 600 Mhz
Bug: https://bugs.freedesktop.org/show_bug.=
cgi?id=3D103370
Acked-by: Christian K=C3=B6nig <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kerne=
l.org
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dp=
m.c
index ee3e742..97a0a63 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2984,6 +2984,11 @@ static void si_apply_state_adjust_ru=
les(struct
radeon_device *rdev,
(rdev->pdev->device =3D=3D 0x6667)) {
max_sclk =3D 75000;
}
+ if ((rdev->pdev->revision =3D=3D 0xC3) ||
+ (rdev->pdev->device =3D=3D 0x6665)) {
+ max_sclk =3D 60000;
+ max_mclk =3D 80000;
+ }
} else if (rdev->family =3D=3D CHIP_OLAND) {
if ((rdev->pdev->revision =3D=3D 0xC7) ||
(rdev->pdev->revision =3D=3D 0x80) ||