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author | Alex Deucher <alexander.deucher@amd.com> | 2017-06-15 15:12:28 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-29 11:00:30 (GMT) |
commit | 581659a878200a4e2c15548e3df6a7b82e170cb8 (patch) | |
tree | f0c1bffc16a224584996dbad85ad1bb222c31c66 | |
parent | 217e035d5120de80a6b2224878e157ebb4a390b8 (diff) | |
download | linux-581659a878200a4e2c15548e3df6a7b82e170cb8.tar.xz |
drm/amdgpu: adjust default display clock
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>
-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 8e6bf54..f8fdbd1 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); |