Commit 7bdd91ab authored by Timur Kristóf's avatar Timur Kristóf Committed by Alex Deucher
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drm/amd: Disable ASPM on SI 



Enabling ASPM causes randoms hangs on Tahiti and Oland on Zen4.
It's unclear if this is a platform-specific or GPU-specific issue.
Disable ASPM on SI for the time being.

Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarTimur Kristóf <timur.kristof@gmail.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5c05bcf6

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

+7 −0
Original line number Diff line number Diff line
@@ -1882,6 +1882,13 @@ static bool amdgpu_device_pcie_dynamic_switching_supported(struct amdgpu_device 


static bool amdgpu_device_aspm_support_quirk(struct amdgpu_device *adev)

{

	/* Enabling ASPM causes randoms hangs on Tahiti and Oland on Zen4.

	 * It's unclear if this is a platform-specific or GPU-specific issue.

	 * Disable ASPM on SI for the time being.

	 */

	if (adev->family == AMDGPU_FAMILY_SI)

		return true;



#if IS_ENABLED(CONFIG_X86)

	struct cpuinfo_x86 *c = &cpu_data(0);