Acked-by: Chunming Zhou <david1.z...@amd.com>
On 2017年06月20日 01:36, Alex Deucher wrote:
ping.
On Thu, Jun 15, 2017 at 11:17 AM, Alex Deucher <alexdeuc...@gmail.com> wrote:
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
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Cc: sta...@vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
index 1cf78f4..1e8e112 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);
--
2.5.5
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