https://bugs.freedesktop.org/show_bug.cgi?id=103370
Shih-Yuan Lee fourdollars@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|NEW |RESOLVED
--- Comment #46 from Shih-Yuan Lee fourdollars@gmail.com --- The Linux kernel of Comment 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 alexander.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=103370 Acked-by: Christian König christian.koenig@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.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_rules(struct radeon_device *rdev, (rdev->pdev->device == 0x6667)) { max_sclk = 75000; } + if ((rdev->pdev->revision == 0xC3) || + (rdev->pdev->device == 0x6665)) { + max_sclk = 60000; + max_mclk = 80000; + } } else if (rdev->family == CHIP_OLAND) { if ((rdev->pdev->revision == 0xC7) || (rdev->pdev->revision == 0x80) ||