Commit 581659a8 authored by Alex Deucher's avatar Alex Deucher Committed by Greg Kroah-Hartman
Browse files

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=93826


Acked-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 217e035d

drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c

+4 −0
Original line number Diff line number Diff line
@@ -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);