From: Asher Song <Asher.Song@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Likun Gao <Likun.Gao@amd.com>, Asher Song <Asher.Song@amd.com>
Subject: [PATCH] drm/amdgpu: add judgement for dc support
Date: Tue, 25 May 2021 12:03:04 +0800 [thread overview]
Message-ID: <20210525040304.294667-1-Asher.Song@amd.com> (raw)
Drop DC initialization when DCN is harvested in VBIOS. The way
doesn't affect virtual display ip initialization.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Asher Song <Asher.Song@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 8848e2b9bef9..148da7ca5d55 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3122,7 +3122,9 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type)
*/
bool amdgpu_device_has_dc_support(struct amdgpu_device *adev)
{
- if (amdgpu_sriov_vf(adev) || adev->enable_virtual_display)
+ if (amdgpu_sriov_vf(adev) ||
+ adev->enable_virtual_display ||
+ (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK))
return false;
return amdgpu_device_asic_has_dc_support(adev->asic_type);
--
2.25.1
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next reply other threads:[~2021-05-25 4:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-25 4:03 Asher Song [this message]
2021-05-25 7:42 ` [PATCH] drm/amdgpu: add judgement for dc support Chen, Guchun
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