From 4777166989dee66a5050ce77d0ea37832ed330d7 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 14 Sep 2016 14:14:55 -0400 Subject: [PATCH] drm/radeon/atpx: check for ATIF dGPU wake for display events support Some ATPX laptops implement special circuitry to generate display hotplug events via ACPI when the dGPU is powered off. Check if this is supported. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_atpx_handler.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index 6de342861202..a1321b2fa454 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -29,6 +29,7 @@ struct radeon_atpx { acpi_handle handle; struct radeon_atpx_functions functions; bool is_hybrid; + bool dgpu_req_power_for_displays; }; static struct radeon_atpx_priv { @@ -72,6 +73,10 @@ bool radeon_is_atpx_hybrid(void) { return radeon_atpx_priv.atpx.is_hybrid; } +bool radeon_atpx_dgpu_req_power_for_displays(void) { + return radeon_atpx_priv.atpx.dgpu_req_power_for_displays; +} + /** * radeon_atpx_call - call an ATPX method * -- 2.20.1