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Subject[PATCH 1/5] drm/amdgpu: add dmi check for jadeite platform
Date
DMI check is required to distinguish Jadeite platform from
Stoney base variant.
Add DMI check logic for Jadeite platform.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 36 +++++++++++++++++++++++++
1 file changed, 36 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
index ba1605ff521f..af7b42056a89 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
@@ -29,6 +29,8 @@
#include <linux/platform_device.h>
#include <sound/designware_i2s.h>
#include <sound/pcm.h>
+#include <linux/acpi.h>
+#include <linux/dmi.h>

#include "amdgpu.h"
#include "atom.h"
@@ -36,6 +38,7 @@

#include "acp_gfx_if.h"

+#define ST_JADEITE 1
#define ACP_TILE_ON_MASK 0x03
#define ACP_TILE_OFF_MASK 0x02
#define ACP_TILE_ON_RETAIN_REG_MASK 0x1f
@@ -85,6 +88,8 @@
#define ACP_DEVS 4
#define ACP_SRC_ID 162

+static unsigned long acp_machine_id;
+
enum {
ACP_TILE_P1 = 0,
ACP_TILE_P2,
@@ -184,6 +189,37 @@ static int acp_genpd_remove_device(struct device *dev, void *data)
return 0;
}

+static int acp_quirk_cb(const struct dmi_system_id *id)
+{
+ acp_machine_id = ST_JADEITE;
+ return 1;
+}
+
+static const struct dmi_system_id acp_quirk_table[] = {
+ {
+ .callback = acp_quirk_cb,
+ .matches = {
+ DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMD"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jadeite"),
+ }
+ },
+ {
+ .callback = acp_quirk_cb,
+ .matches = {
+ DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "IP3 Technology CO.,Ltd."),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN1D"),
+ },
+ },
+ {
+ .callback = acp_quirk_cb,
+ .matches = {
+ DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Standard"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN10"),
+ },
+ },
+ {}
+};
+
/**
* acp_hw_init - start and test ACP block
*
--
2.25.1
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