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path: root/drivers/gpu/drm/radeon/radeon_atpx_handler.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atpx_handler.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atpx_handler.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index fa5fadaa9bbb..f557535c1d7b 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2010 Red Hat Inc.
* Author : Dave Airlie <airlied@redhat.com>
*
- * Licensed under GPLv2
- *
* ATPX support for both Intel/ATI
*/
#include <linux/vga_switcheroo.h>
@@ -62,19 +61,23 @@ struct atpx_mux {
u16 mux;
} __packed;
-bool radeon_has_atpx(void) {
+bool radeon_has_atpx(void)
+{
return radeon_atpx_priv.atpx_detected;
}
-bool radeon_has_atpx_dgpu_power_cntl(void) {
+bool radeon_has_atpx_dgpu_power_cntl(void)
+{
return radeon_atpx_priv.atpx.functions.power_cntl;
}
-bool radeon_is_atpx_hybrid(void) {
+bool radeon_is_atpx_hybrid(void)
+{
return radeon_atpx_priv.atpx.is_hybrid;
}
-bool radeon_atpx_dgpu_req_power_for_displays(void) {
+bool radeon_atpx_dgpu_req_power_for_displays(void)
+{
return radeon_atpx_priv.atpx.dgpu_req_power_for_displays;
}
@@ -116,7 +119,7 @@ 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) {
- printk("failed to evaluate ATPX got %s\n",
+ pr_err("failed to evaluate ATPX got %s\n",
acpi_format_exception(status));
kfree(buffer.pointer);
return NULL;
@@ -148,7 +151,7 @@ static void radeon_atpx_parse_functions(struct radeon_atpx_functions *f, u32 mas
}
/**
- * radeon_atpx_validate_functions - validate ATPX functions
+ * radeon_atpx_validate() - validate ATPX functions
*
* @atpx: radeon atpx struct
*
@@ -172,7 +175,7 @@ static int radeon_atpx_validate(struct radeon_atpx *atpx)
size = *(u16 *) info->buffer.pointer;
if (size < 10) {
- printk("ATPX buffer is too small: %zu\n", size);
+ pr_err("ATPX buffer is too small: %zu\n", size);
kfree(info);
return -EINVAL;
}
@@ -203,7 +206,7 @@ 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");
+ 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.
@@ -240,7 +243,7 @@ static int radeon_atpx_verify_interface(struct radeon_atpx *atpx)
size = *(u16 *) info->buffer.pointer;
if (size < 8) {
- printk("ATPX buffer is too small: %zu\n", size);
+ pr_err("ATPX buffer is too small: %zu\n", size);
err = -EINVAL;
goto out;
}
@@ -249,8 +252,8 @@ static int radeon_atpx_verify_interface(struct radeon_atpx *atpx)
memcpy(&output, info->buffer.pointer, size);
/* TODO: check version? */
- printk("ATPX version %u, functions 0x%08x\n",
- output.version, output.function_bits);
+ pr_info("ATPX version %u, functions 0x%08x\n",
+ output.version, output.function_bits);
radeon_atpx_parse_functions(&atpx->functions, output.function_bits);