From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 18 Apr 2016 15:26:26 +0000 (-0400)
Subject: drm/radeon: print a message if ATPX dGPU power control is missing
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=dfc4f59d901bf72f93280b7c142c8ad846359c6f;p=linux-beck.git

drm/radeon: print a message if ATPX dGPU power control is missing

It will help identify problematic boards.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index 56482e35d43e..95f4fea89302 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -143,7 +143,10 @@ static int radeon_atpx_validate(struct radeon_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;