From e9bef455af8eb0e837e179aab8988ae2649fd8d3 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 25 Apr 2016 13:12:18 -0400
Subject: Revert "drm/amdgpu: disable runtime pm on PX laptops without dGPU
power control"
This reverts commit bedf2a65c1aa8fb29ba8527fd00c0f68ec1f55f1.
See the radeon revert for an extended description.
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c')
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index 0020a0ea43ff..fa948dcbdd5d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -63,10 +63,6 @@ bool amdgpu_has_atpx(void) {
return amdgpu_atpx_priv.atpx_detected;
}
-bool amdgpu_has_atpx_dgpu_power_cntl(void) {
- return amdgpu_atpx_priv.atpx.functions.power_cntl;
-}
-
/**
* amdgpu_atpx_call - call an ATPX method
*
@@ -146,6 +142,10 @@ static void amdgpu_atpx_parse_functions(struct amdgpu_atpx_functions *f, u32 mas
*/
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.px_params) {
union acpi_object *info;
struct atpx_px_params output;
--
cgit v1.2.3
From c8791a13d28161a1fa1138112dfe1f986a1358cf Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 25 Apr 2016 13:14:47 -0400
Subject: drm/amdgpu: 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>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c')
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;
--
cgit v1.2.3