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drm.7039
0108-drm-amdgpu-adjust-default-display-clock.patch
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File 0108-drm-amdgpu-adjust-default-display-clock.patch of Package drm.7039
From 581659a878200a4e2c15548e3df6a7b82e170cb8 Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexander.deucher@amd.com> Date: Thu, 15 Jun 2017 11:12:28 -0400 Subject: [PATCH] drm/amdgpu: adjust default display clock Mime-version: 1.0 Content-type: text/plain; charset=UTF-8 Content-transfer-encoding: 8bit Git-commit: 52b482b0f4fd6d5267faf29fe91398e203f3c230 Patch-mainline: 4.12-rc7 References: bsc#1041744 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@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Takashi Iwai <tiwai@suse.de> --- drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 8e6bf548d689..f8fdbd1378a7 100644 --- 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(struct amdgpu_device *adev) 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); -- 2.13.2
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