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Message-Id: <20140604232350.247206194@linuxfoundation.org> Date: Wed, 4 Jun 2014 16:21:37 -0700 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Alex Deucher <alexander.deucher@....com> Subject: [PATCH 3.14 068/228] drm/radeon: disable mclk dpm on R7 260X 3.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher <alexdeucher@...il.com> commit 57700ad1f2f21d5d7ab7ee0e58d11b5954852434 upstream. Setting higher mclks seems to cause stability issues on some R7 260X boards. Disable it for now for stability until we find a proper fix. bug: https://bugs.freedesktop.org/show_bug.cgi?id=75992 Signed-off-by: Alex Deucher <alexander.deucher@....com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/gpu/drm/radeon/ci_dpm.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -5106,6 +5106,10 @@ int ci_dpm_init(struct radeon_device *rd pi->mclk_dpm_key_disabled = 0; pi->pcie_dpm_key_disabled = 0; + /* mclk dpm is unstable on some R7 260X cards */ + if (rdev->pdev->device == 0x6658) + pi->mclk_dpm_key_disabled = 1; + pi->caps_sclk_ds = true; pi->mclk_strobe_mode_threshold = 40000; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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