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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>
This commit is contained in:
Alex Deucher 2016-09-23 13:10:49 -04:00
parent 0cdd500560
commit 43bf11bd92
5 changed files with 32 additions and 28 deletions
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28
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
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@ -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;
}

3
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h
View File

@ -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

2
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -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;
}

26
drivers/gpu/drm/amd/amdgpu/atom.c
View File

@ -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;
}

1
drivers/gpu/drm/amd/amdgpu/atom.h
View File

@ -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"