Revert "drm/radeon: Prefer dev_* variant over printk"

Usage of container_of is wrong here.
struct acpi_device *adev = container_of(handle, struct acpi_device, handle)

This reverts commit cbd0606e.

References: https://gitlab.freedesktop.org/drm/amd/-/issues/2744
Cc: Guchun Chen <guchun.chen@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Bert Karwatzki <spasswolf@web.de>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Cc: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/radeon_atpx_handler.c

@@ -94,8 +94,6 @@ static union acpi_object *radeon_atpx_call(acpi_handle handle, int function,
 	union acpi_object atpx_arg_elements[2];
 	struct acpi_object_list atpx_arg;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-	struct acpi_device *adev = container_of(handle, struct acpi_device, handle);
-	struct device *dev = &adev->dev;
 
 	atpx_arg.count = 2;
 	atpx_arg.pointer = &atpx_arg_elements[0];
@@ -117,8 +115,8 @@ static union acpi_object *radeon_atpx_call(acpi_handle handle, int function,
 
 	/* Fail only if calling the method fails and ATPX is supported */
 	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
-		dev_err(dev, "failed to evaluate ATPX got %s\n",
-			acpi_format_exception(status));
+		pr_err("failed to evaluate ATPX got %s\n",
+		       acpi_format_exception(status));
 		kfree(buffer.pointer);
 		return NULL;
 	}
@@ -159,8 +157,6 @@ static void radeon_atpx_parse_functions(struct radeon_atpx_functions *f, u32 mas
 static int radeon_atpx_validate(struct radeon_atpx *atpx)
 {
 	u32 valid_bits = 0;
-	struct acpi_device *adev = container_of(atpx->handle, struct acpi_device, handle);
-	struct device *dev = &adev->dev;
 
 	if (atpx->functions.px_params) {
 		union acpi_object *info;
@@ -175,7 +171,7 @@ static int radeon_atpx_validate(struct radeon_atpx *atpx)
 
 		size = *(u16 *) info->buffer.pointer;
 		if (size < 10) {
-			dev_err(dev, "ATPX buffer is too small: %zu\n", size);
+			pr_err("ATPX buffer is too small: %zu\n", size);
 			kfree(info);
 			return -EINVAL;
 		}
@@ -206,7 +202,7 @@ static int radeon_atpx_validate(struct radeon_atpx *atpx)
 
 	atpx->is_hybrid = false;
 	if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) {
-		dev_info(dev, "ATPX Hybrid Graphics\n");
+		pr_info("ATPX Hybrid Graphics\n");
 		/*
 		 * Disable legacy PM methods only when pcie port PM is usable,
 		 * otherwise the device might fail to power off or power on.