Commit 525e496a authored by Alex Deucher's avatar Alex Deucher Committed by Greg Kroah-Hartman

drm/amdgpu: adjust default display clock

commit 52b482b0 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=93826Acked-by: default avatarChunming Zhou <david1.zhou@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 52652784
...@@ -681,6 +681,10 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev) ...@@ -681,6 +681,10 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev)
DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n", DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n",
adev->clock.default_dispclk / 100); adev->clock.default_dispclk / 100);
adev->clock.default_dispclk = 60000; 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 = adev->clock.dp_extclk =
le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
......
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