This is a note to let you know that I've just added the patch titled drm/amdgpu: adjust default display clock to the 4.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amdgpu-adjust-default-display-clock.patch and it can be found in the queue-4.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 52b482b0f4fd6d5267faf29fe91398e203f3c230 Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexander.deucher@xxxxxxx> Date: Thu, 15 Jun 2017 11:12:28 -0400 Subject: drm/amdgpu: adjust default display clock MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Alex Deucher <alexander.deucher@xxxxxxx> commit 52b482b0f4fd6d5267faf29fe91398e203f3c230 upstream. Increase the default display clock on newer asics to accomodate some high res modes with really high refresh rates. bug: https://bugs.freedesktop.org/show_bug.cgi?id=93826 Acked-by: Chunming Zhou <david1.zhou@xxxxxxx> Acked-by: Christian König <christian.koenig@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -693,6 +693,10 @@ int amdgpu_atombios_get_clock_info(struc DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n", adev->clock.default_dispclk / 100); adev->clock.default_dispclk = 60000; + } else if (adev->clock.default_dispclk <= 60000) { + DRM_INFO("Changing default dispclk from %dMhz to 625Mhz\n", + adev->clock.default_dispclk / 100); + adev->clock.default_dispclk = 62500; } adev->clock.dp_extclk = le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are queue-4.11/drm-radeon-add-a-px-quirk-for-another-k53tk-variant.patch queue-4.11/drm-amdgpu-atom-fix-ps-allocation-size-for-enabledisppowergating.patch queue-4.11/drm-amdgpu-add-polaris12-did.patch queue-4.11/drm-amdgpu-adjust-default-display-clock.patch queue-4.11/drm-radeon-add-a-quirk-for-toshiba-satellite-l20-183.patch