Until Dave's patch to support the new hybrid gfx ACPI method goes
upstream, we can fallback to the old ATPX method which seems to
still work.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/radeon/radeon_atpx_handler.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c 
b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index de17b5e..86dcdf3 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -198,7 +198,16 @@ static int radeon_atpx_validate(struct radeon_atpx *atpx)
        atpx->is_hybrid = false;
        if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) {
                printk("ATPX Hybrid Graphics\n");
+#if 1
+               /* This is a temporary hack until the D3 cold support
+                * makes it upstream.  The ATPX power_control method seems
+                * to still work on even if the system should be using
+                * the new standardized hybrid D3 cold ACPI interface.
+                */
+               atpx->functions.power_cntl = true;
+#else
                atpx->functions.power_cntl = false;
+#endif
                atpx->is_hybrid = true;
        }

-- 
2.5.5

Reply via email to