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[AMD Official Use Only - Internal Distribution Only]
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
From: Siqueira, Rodrigo <Rodrigo.Siqueira@xxxxxxx>
Sent: Friday, November 20, 2020 8:59 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Wentland, Harry <Harry.Wentland@xxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx> Subject: [PATCH] drm/amd/display: Avoid HDCP initialization in devices without output The HDCP feature requires at least one connector attached to the device;
however, some GPUs do not have a physical output, making the HDCP initialization irrelevant. This patch disables HDCP initialization when the graphic card does not have output. Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 1da4ad529309..e213246e3f04 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1109,7 +1109,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) amdgpu_dm_init_color_mod(); #ifdef CONFIG_DRM_AMD_DC_HDCP - if (adev->asic_type >= CHIP_RAVEN) { + if (adev->dm.dc->caps.max_links > 0 && adev->asic_type >= CHIP_RAVEN) { adev->dm.hdcp_workqueue = hdcp_create_workqueue(adev, &init_params.cp_psp, adev->dm.dc); if (!adev->dm.hdcp_workqueue) -- 2.29.2 |
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