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drm/radeon/kms: add dpm support for evergreen (v4)

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This adds dpm support for evergreen asics.  This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)

Set radeon.dpm=1 to enable.

v2: reduce stack usage, rename ulv struct
v3: fix thermal interrupt check notices by Jerome
v4: fix state enable

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2013-06-26 00:33:35 -04:00
parent 66229b2005
commit dc50ba7f9a
16 changed files with 2877 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

109
drivers/gpu/drm/radeon/rv770_smc.c
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@@ -114,6 +114,86 @@ static const u8 rv740_smc_int_vectors[] =
0x03, 0x51, 0x03, 0x51
};
static const u8 cedar_smc_int_vectors[] =
{
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x11, 0x8B,
0x0B, 0x20, 0x0B, 0x05,
0x04, 0xF6, 0x04, 0xF6,
0x04, 0xF6, 0x04, 0xF6
};
static const u8 redwood_smc_int_vectors[] =
{
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x11, 0x8B,
0x0B, 0x20, 0x0B, 0x05,
0x04, 0xF6, 0x04, 0xF6,
0x04, 0xF6, 0x04, 0xF6
};
static const u8 juniper_smc_int_vectors[] =
{
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x11, 0x8B,
0x0B, 0x20, 0x0B, 0x05,
0x04, 0xF6, 0x04, 0xF6,
0x04, 0xF6, 0x04, 0xF6
};
static const u8 cypress_smc_int_vectors[] =
{
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x0B, 0x05,
0x0B, 0x05, 0x11, 0x8B,
0x0B, 0x20, 0x0B, 0x05,
0x04, 0xF6, 0x04, 0xF6,
0x04, 0xF6, 0x04, 0xF6
};
int rv770_set_smc_sram_address(struct radeon_device *rdev,
u16 smc_address, u16 limit)
{
@@ -354,6 +434,35 @@ int rv770_load_smc_ucode(struct radeon_device *rdev,
int_vect_start_address = RV740_SMC_INT_VECTOR_START;
int_vect_size = RV740_SMC_INT_VECTOR_SIZE;
break;
case CHIP_CEDAR:
ucode_start_address = CEDAR_SMC_UCODE_START;
ucode_size = CEDAR_SMC_UCODE_SIZE;
int_vect = (const u8 *)&cedar_smc_int_vectors;
int_vect_start_address = CEDAR_SMC_INT_VECTOR_START;
int_vect_size = CEDAR_SMC_INT_VECTOR_SIZE;
break;
case CHIP_REDWOOD:
ucode_start_address = REDWOOD_SMC_UCODE_START;
ucode_size = REDWOOD_SMC_UCODE_SIZE;
int_vect = (const u8 *)&redwood_smc_int_vectors;
int_vect_start_address = REDWOOD_SMC_INT_VECTOR_START;
int_vect_size = REDWOOD_SMC_INT_VECTOR_SIZE;
break;
case CHIP_JUNIPER:
ucode_start_address = JUNIPER_SMC_UCODE_START;
ucode_size = JUNIPER_SMC_UCODE_SIZE;
int_vect = (const u8 *)&juniper_smc_int_vectors;
int_vect_start_address = JUNIPER_SMC_INT_VECTOR_START;
int_vect_size = JUNIPER_SMC_INT_VECTOR_SIZE;
break;
case CHIP_CYPRESS:
case CHIP_HEMLOCK:
ucode_start_address = CYPRESS_SMC_UCODE_START;
ucode_size = CYPRESS_SMC_UCODE_SIZE;
int_vect = (const u8 *)&cypress_smc_int_vectors;
int_vect_start_address = CYPRESS_SMC_INT_VECTOR_START;
int_vect_size = CYPRESS_SMC_INT_VECTOR_SIZE;
break;
default:
DRM_ERROR("unknown asic in smc ucode loader\n");
BUG();