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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c45
1 files changed, 20 insertions, 25 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index a028661d9e20..3893e6fc2f03 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_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>
@@ -12,6 +11,7 @@
#include <linux/pci.h>
#include <linux/delay.h>
+#include "amdgpu.h"
#include "amd_acpi.h"
#define AMDGPU_PX_QUIRK_FORCE_ATPX (1 << 0)
@@ -74,28 +74,21 @@ struct atpx_mux {
u16 mux;
} __packed;
-bool amdgpu_has_atpx(void) {
+bool amdgpu_has_atpx(void)
+{
return amdgpu_atpx_priv.atpx_detected;
}
-bool amdgpu_has_atpx_dgpu_power_cntl(void) {
+bool amdgpu_has_atpx_dgpu_power_cntl(void)
+{
return amdgpu_atpx_priv.atpx.functions.power_cntl;
}
-bool amdgpu_is_atpx_hybrid(void) {
+bool amdgpu_is_atpx_hybrid(void)
+{
return amdgpu_atpx_priv.atpx.is_hybrid;
}
-bool amdgpu_atpx_dgpu_req_power_for_displays(void) {
- return amdgpu_atpx_priv.atpx.dgpu_req_power_for_displays;
-}
-
-#if defined(CONFIG_ACPI)
-void *amdgpu_atpx_get_dhandle(void) {
- return amdgpu_atpx_priv.dhandle;
-}
-#endif
-
/**
* amdgpu_atpx_call - call an ATPX method
*
@@ -134,7 +127,7 @@ static union acpi_object *amdgpu_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;
@@ -166,7 +159,7 @@ static void amdgpu_atpx_parse_functions(struct amdgpu_atpx_functions *f, u32 mas
}
/**
- * amdgpu_atpx_validate_functions - validate ATPX functions
+ * amdgpu_atpx_validate - validate ATPX functions
*
* @atpx: amdgpu atpx struct
*
@@ -190,7 +183,7 @@ static int amdgpu_atpx_validate(struct amdgpu_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;
}
@@ -223,11 +216,11 @@ static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx)
atpx->is_hybrid = false;
if (valid_bits & ATPX_MS_HYBRID_GFX_SUPPORTED) {
if (amdgpu_atpx_priv.quirks & AMDGPU_PX_QUIRK_FORCE_ATPX) {
- printk("ATPX Hybrid Graphics, forcing to ATPX\n");
+ pr_warn("ATPX Hybrid Graphics, forcing to ATPX\n");
atpx->functions.power_cntl = true;
atpx->is_hybrid = false;
} else {
- printk("ATPX Hybrid Graphics\n");
+ pr_notice("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.
@@ -269,7 +262,7 @@ static int amdgpu_atpx_verify_interface(struct amdgpu_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;
}
@@ -278,8 +271,8 @@ static int amdgpu_atpx_verify_interface(struct amdgpu_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_notice("ATPX version %u, functions 0x%08x\n",
+ output.version, output.function_bits);
amdgpu_atpx_parse_functions(&atpx->functions, output.function_bits);
@@ -575,7 +568,9 @@ static const struct amdgpu_px_quirk amdgpu_px_quirk_list[] = {
{ 0x1002, 0x6900, 0x1002, 0x0124, AMDGPU_PX_QUIRK_FORCE_ATPX },
{ 0x1002, 0x6900, 0x1028, 0x0812, AMDGPU_PX_QUIRK_FORCE_ATPX },
{ 0x1002, 0x6900, 0x1028, 0x0813, AMDGPU_PX_QUIRK_FORCE_ATPX },
+ { 0x1002, 0x699f, 0x1028, 0x0814, AMDGPU_PX_QUIRK_FORCE_ATPX },
{ 0x1002, 0x6900, 0x1025, 0x125A, AMDGPU_PX_QUIRK_FORCE_ATPX },
+ { 0x1002, 0x6900, 0x17AA, 0x3806, AMDGPU_PX_QUIRK_FORCE_ATPX },
{ 0, 0, 0, 0, 0 },
};
@@ -615,7 +610,7 @@ static bool amdgpu_atpx_detect(void)
while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
vga_count++;
- has_atpx |= (amdgpu_atpx_pci_probe_handle(pdev) == true);
+ has_atpx |= amdgpu_atpx_pci_probe_handle(pdev);
parent_pdev = pci_upstream_bridge(pdev);
d3_supported |= parent_pdev && parent_pdev->bridge_d3;
@@ -625,7 +620,7 @@ static bool amdgpu_atpx_detect(void)
while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
vga_count++;
- has_atpx |= (amdgpu_atpx_pci_probe_handle(pdev) == true);
+ has_atpx |= amdgpu_atpx_pci_probe_handle(pdev);
parent_pdev = pci_upstream_bridge(pdev);
d3_supported |= parent_pdev && parent_pdev->bridge_d3;