From: Alex Deucher Date: Wed, 14 Sep 2016 18:14:55 +0000 (-0400) Subject: drm/radeon/atpx: check for ATIF dGPU wake for display events support X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4777166989dee66a5050ce77d0ea37832ed330d7;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 --- 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 *