drm/amdgpu: move atom scratch setup into amdgpu_atombios.c

There will be a slightly different version for atomfirmware.

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

5 files changed, 32 insertions, 28 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
index 56a86dd5789e..f52b1bf3d3d9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
@@ -1748,3 +1748,31 @@ void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le)
         memcpy(dst, src, num_bytes);
 #endif
 }
+
+int amdgpu_atombios_allocate_fb_scratch(struct amdgpu_device *adev)
+{
+        struct atom_context *ctx = adev->mode_info.atom_context;
+        int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
+        uint16_t data_offset;
+        int usage_bytes = 0;
+        struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
+
+        if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
+                firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
+
+                DRM_DEBUG("atom firmware requested %08x %dkb\n",
+                          le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
+                          le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));
+
+                usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
+        }
+        ctx->scratch_size_bytes = 0;
+        if (usage_bytes == 0)
+                usage_bytes = 20 * 1024;
+        /* allocate some scratch memory */
+        ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
+        if (!ctx->scratch)
+                return -ENOMEM;
+        ctx->scratch_size_bytes = usage_bytes;
+        return 0;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h
index 70e9acef5d9c..4e0f488487f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h
@@ -215,4 +215,7 @@ int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
 int amdgpu_atombios_get_svi2_info(struct amdgpu_device *adev,
                               u8 voltage_type,
                               u8 *svd_gpio_id, u8 *svc_gpio_id);
+
+int amdgpu_atombios_allocate_fb_scratch(struct amdgpu_device *adev);
+
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 7f996ac089b4..dfbfd56bcc25 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -994,7 +994,7 @@ static int amdgpu_atombios_init(struct amdgpu_device *adev)
 
         mutex_init(&adev->mode_info.atom_context->mutex);
         amdgpu_atombios_scratch_regs_init(adev);
-        amdgpu_atom_allocate_fb_scratch(adev->mode_info.atom_context);
+        amdgpu_atombios_allocate_fb_scratch(adev);
         return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index 81c60a277eeb..d69aa2e179bb 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -1417,29 +1417,3 @@ bool amdgpu_atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t *
         return true;
 }
 
-int amdgpu_atom_allocate_fb_scratch(struct atom_context *ctx)
-{
-        int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
-        uint16_t data_offset;
-        int usage_bytes = 0;
-        struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
-
-        if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
-                firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
-
-                DRM_DEBUG("atom firmware requested %08x %dkb\n",
-                          le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
-                          le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));
-
-                usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
-        }
-        ctx->scratch_size_bytes = 0;
-        if (usage_bytes == 0)
-                usage_bytes = 20 * 1024;
-        /* allocate some scratch memory */
-        ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
-        if (!ctx->scratch)
-                return -ENOMEM;
-        ctx->scratch_size_bytes = usage_bytes;
-        return 0;
-}
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.h b/drivers/gpu/drm/amd/amdgpu/atom.h
index baa2438d7883..ddd8045accf3 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.h
+++ b/drivers/gpu/drm/amd/amdgpu/atom.h
@@ -152,7 +152,6 @@ bool amdgpu_atom_parse_data_header(struct atom_context *ctx, int index, uint16_t
                             uint8_t *frev, uint8_t *crev, uint16_t *data_start);
 bool amdgpu_atom_parse_cmd_header(struct atom_context *ctx, int index,
                            uint8_t *frev, uint8_t *crev);
-int amdgpu_atom_allocate_fb_scratch(struct atom_context *ctx);
 #include "atom-types.h"
 #include "atombios.h"
 #include "ObjectID.h"