diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 77f1d7c6ea3a..9416e0f5c1db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -672,8 +672,12 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev) /* disp clock */ adev->clock.default_dispclk = le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq); - if (adev->clock.default_dispclk == 0) - adev->clock.default_dispclk = 54000; /* 540 Mhz */ + /* set a reasonable default for DP */ + if (adev->clock.default_dispclk < 53900) { + DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n", + adev->clock.default_dispclk / 100); + adev->clock.default_dispclk = 60000; + } adev->clock.dp_extclk = le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); adev->clock.current_dispclk = adev->clock.default_dispclk; |