Commit c9719c69 authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher

drm/amdgpu/gfx9: add rlc bo init/fini

setup the save and restore buffers used for gfx
powergating.
Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Reviewed-by: default avatarChunming Zhou <david1.zhou@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e999e6e9
......@@ -529,6 +529,209 @@ static int gfx_v9_0_init_microcode(struct amdgpu_device *adev)
return err;
}
static u32 gfx_v9_0_get_csb_size(struct amdgpu_device *adev)
{
u32 count = 0;
const struct cs_section_def *sect = NULL;
const struct cs_extent_def *ext = NULL;
/* begin clear state */
count += 2;
/* context control state */
count += 3;
for (sect = gfx9_cs_data; sect->section != NULL; ++sect) {
for (ext = sect->section; ext->extent != NULL; ++ext) {
if (sect->id == SECT_CONTEXT)
count += 2 + ext->reg_count;
else
return 0;
}
}
/* end clear state */
count += 2;
/* clear state */
count += 2;
return count;
}
static void gfx_v9_0_get_csb_buffer(struct amdgpu_device *adev,
volatile u32 *buffer)
{
u32 count = 0, i;
const struct cs_section_def *sect = NULL;
const struct cs_extent_def *ext = NULL;
if (adev->gfx.rlc.cs_data == NULL)
return;
if (buffer == NULL)
return;
buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CONTEXT_CONTROL, 1));
buffer[count++] = cpu_to_le32(0x80000000);
buffer[count++] = cpu_to_le32(0x80000000);
for (sect = adev->gfx.rlc.cs_data; sect->section != NULL; ++sect) {
for (ext = sect->section; ext->extent != NULL; ++ext) {
if (sect->id == SECT_CONTEXT) {
buffer[count++] =
cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, ext->reg_count));
buffer[count++] = cpu_to_le32(ext->reg_index -
PACKET3_SET_CONTEXT_REG_START);
for (i = 0; i < ext->reg_count; i++)
buffer[count++] = cpu_to_le32(ext->extent[i]);
} else {
return;
}
}
}
buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_END_CLEAR_STATE);
buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CLEAR_STATE, 0));
buffer[count++] = cpu_to_le32(0);
}
static void rv_init_cp_jump_table(struct amdgpu_device *adev)
{
const __le32 *fw_data;
volatile u32 *dst_ptr;
int me, i, max_me = 5;
u32 bo_offset = 0;
u32 table_offset, table_size;
/* write the cp table buffer */
dst_ptr = adev->gfx.rlc.cp_table_ptr;
for (me = 0; me < max_me; me++) {
if (me == 0) {
const struct gfx_firmware_header_v1_0 *hdr =
(const struct gfx_firmware_header_v1_0 *)adev->gfx.ce_fw->data;
fw_data = (const __le32 *)
(adev->gfx.ce_fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes));
table_offset = le32_to_cpu(hdr->jt_offset);
table_size = le32_to_cpu(hdr->jt_size);
} else if (me == 1) {
const struct gfx_firmware_header_v1_0 *hdr =
(const struct gfx_firmware_header_v1_0 *)adev->gfx.pfp_fw->data;
fw_data = (const __le32 *)
(adev->gfx.pfp_fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes));
table_offset = le32_to_cpu(hdr->jt_offset);
table_size = le32_to_cpu(hdr->jt_size);
} else if (me == 2) {
const struct gfx_firmware_header_v1_0 *hdr =
(const struct gfx_firmware_header_v1_0 *)adev->gfx.me_fw->data;
fw_data = (const __le32 *)
(adev->gfx.me_fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes));
table_offset = le32_to_cpu(hdr->jt_offset);
table_size = le32_to_cpu(hdr->jt_size);
} else if (me == 3) {
const struct gfx_firmware_header_v1_0 *hdr =
(const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data;
fw_data = (const __le32 *)
(adev->gfx.mec_fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes));
table_offset = le32_to_cpu(hdr->jt_offset);
table_size = le32_to_cpu(hdr->jt_size);
} else if (me == 4) {
const struct gfx_firmware_header_v1_0 *hdr =
(const struct gfx_firmware_header_v1_0 *)adev->gfx.mec2_fw->data;
fw_data = (const __le32 *)
(adev->gfx.mec2_fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes));
table_offset = le32_to_cpu(hdr->jt_offset);
table_size = le32_to_cpu(hdr->jt_size);
}
for (i = 0; i < table_size; i ++) {
dst_ptr[bo_offset + i] =
cpu_to_le32(le32_to_cpu(fw_data[table_offset + i]));
}
bo_offset += table_size;
}
}
static void gfx_v9_0_rlc_fini(struct amdgpu_device *adev)
{
/* clear state block */
amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj,
&adev->gfx.rlc.clear_state_gpu_addr,
(void **)&adev->gfx.rlc.cs_ptr);
/* jump table block */
amdgpu_bo_free_kernel(&adev->gfx.rlc.cp_table_obj,
&adev->gfx.rlc.cp_table_gpu_addr,
(void **)&adev->gfx.rlc.cp_table_ptr);
}
static int gfx_v9_0_rlc_init(struct amdgpu_device *adev)
{
volatile u32 *dst_ptr;
u32 dws;
const struct cs_section_def *cs_data;
int r;
adev->gfx.rlc.cs_data = gfx9_cs_data;
cs_data = adev->gfx.rlc.cs_data;
if (cs_data) {
/* clear state block */
adev->gfx.rlc.clear_state_size = dws = gfx_v9_0_get_csb_size(adev);
if (adev->gfx.rlc.clear_state_obj == NULL) {
r = amdgpu_bo_create_kernel(adev, dws * 4, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&adev->gfx.rlc.clear_state_obj,
&adev->gfx.rlc.clear_state_gpu_addr,
(void **)&adev->gfx.rlc.cs_ptr);
if (r) {
dev_err(adev->dev,
"(%d) failed to create rlc csb bo\n", r);
gfx_v9_0_rlc_fini(adev);
return r;
}
}
/* set up the cs buffer */
dst_ptr = adev->gfx.rlc.cs_ptr;
gfx_v9_0_get_csb_buffer(adev, dst_ptr);
amdgpu_bo_kunmap(adev->gfx.rlc.clear_state_obj);
amdgpu_bo_unreserve(adev->gfx.rlc.clear_state_obj);
}
if (adev->asic_type == CHIP_RAVEN) {
/* TODO: double check the cp_table_size for RV */
adev->gfx.rlc.cp_table_size = ALIGN(96 * 5 * 4, 2048) + (64 * 1024); /* JT + GDS */
if (adev->gfx.rlc.cp_table_obj == NULL) {
r = amdgpu_bo_create_kernel(adev, adev->gfx.rlc.cp_table_size,
PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
&adev->gfx.rlc.cp_table_obj,
&adev->gfx.rlc.cp_table_gpu_addr,
(void **)&adev->gfx.rlc.cp_table_ptr);
if (r) {
dev_err(adev->dev,
"(%d) failed to create cp table bo\n", r);
gfx_v9_0_rlc_fini(adev);
return r;
}
}
rv_init_cp_jump_table(adev);
amdgpu_bo_kunmap(adev->gfx.rlc.cp_table_obj);
amdgpu_bo_unreserve(adev->gfx.rlc.cp_table_obj);
}
return 0;
}
static void gfx_v9_0_mec_fini(struct amdgpu_device *adev)
{
int r;
......@@ -1152,6 +1355,12 @@ static int gfx_v9_0_sw_init(void *handle)
return r;
}
r = gfx_v9_0_rlc_init(adev);
if (r) {
DRM_ERROR("Failed to init rlc BOs!\n");
return r;
}
r = gfx_v9_0_mec_init(adev);
if (r) {
DRM_ERROR("Failed to init MEC BOs!\n");
......@@ -1646,33 +1855,6 @@ static int gfx_v9_0_cp_gfx_load_microcode(struct amdgpu_device *adev)
return 0;
}
static u32 gfx_v9_0_get_csb_size(struct amdgpu_device *adev)
{
u32 count = 0;
const struct cs_section_def *sect = NULL;
const struct cs_extent_def *ext = NULL;
/* begin clear state */
count += 2;
/* context control state */
count += 3;
for (sect = gfx9_cs_data; sect->section != NULL; ++sect) {
for (ext = sect->section; ext->extent != NULL; ++ext) {
if (sect->id == SECT_CONTEXT)
count += 2 + ext->reg_count;
else
return 0;
}
}
/* end clear state */
count += 2;
/* clear state */
count += 2;
return count;
}
static int gfx_v9_0_cp_gfx_start(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring = &adev->gfx.gfx_ring[0];
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment