drm/radeon/atpx: track whether if this is a hybrid graphics platform
hybrid graphics in this case refers to systems which use the new
platform d3 cold ACPI methods as opposed to ATPX for dGPU power
control.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
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 6996b31..de17b5e 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -28,6 +28,7 @@
struct radeon_atpx {
acpi_handle handle;
struct radeon_atpx_functions functions;
+ bool is_hybrid;
};
static struct radeon_atpx_priv {
@@ -67,6 +68,10 @@
return radeon_atpx_priv.atpx.functions.power_cntl;
}
+bool radeon_is_atpx_hybrid(void) {
+ return radeon_atpx_priv.atpx.is_hybrid;
+}
+
/**
* radeon_atpx_call - call an ATPX method
*
@@ -190,9 +195,11 @@
ATPX_DYNAMIC_DGPU_POWER_OFF_SUPPORTED))
atpx->functions.power_cntl = true;
+ atpx->is_hybrid = false;
if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) {
- printk("Hybrid Graphics, ATPX dGPU power cntl disabled\n");
+ printk("ATPX Hybrid Graphics\n");
atpx->functions.power_cntl = false;
+ atpx->is_hybrid = true;
}
return 0;