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| author | Alex Deucher <alexander.deucher@amd.com> | 2017-06-15 11:12:28 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-06-20 12:06:50 -0400 |
| commit | 52b482b0f4fd6d5267faf29fe91398e203f3c230 (patch) | |
| tree | 54423e1a758e7af7750e27ea0aeabbd453b5279c /drivers | |
| parent | 05b4017b37f1fce4b7185f138126dd8decdb381f (diff) | |
| download | lwn-52b482b0f4fd6d5267faf29fe91398e203f3c230.tar.gz lwn-52b482b0f4fd6d5267faf29fe91398e203f3c230.zip | |
drm/amdgpu: adjust default display clock
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>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 1cf78f4dd339..1e8e1123ddf4 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); |