From c8791a13d28161a1fa1138112dfe1f986a1358cf Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 25 Apr 2016 13:14:47 -0400 Subject: [PATCH] drm/amdgpu: print a message if ATPX dGPU power control is missing It will help identify problematic boards. Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c index fa948dcbdd5d..35a1248aaa77 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c @@ -144,7 +144,10 @@ static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx) { /* make sure required functions are enabled */ /* dGPU power control is required */ - atpx->functions.power_cntl = true; + if (atpx->functions.power_cntl == false) { + printk("ATPX dGPU power cntl not present, forcing\n"); + atpx->functions.power_cntl = true; + } if (atpx->functions.px_params) { union acpi_object *info; -- 2.11.0