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@xxxxxxx>
---
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
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