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drm/radeon: fix dpm mc init for certain hawaii boards

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Needs special overrides for certain vram configurations.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2014-11-07 13:58:11 -05:00
parent 4e21518c3d
commit 90b2fee35c
1 changed files with 94 additions and 0 deletions
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94
drivers/gpu/drm/radeon/ci_dpm.c
View file

@ -4099,6 +4099,96 @@ static int ci_copy_vbios_mc_reg_table(const struct atom_mc_reg_table *table,
return 0;
}
static int ci_register_patching_mc_seq(struct radeon_device *rdev,
struct ci_mc_reg_table *table)
{
u8 i, k;
u32 tmp;
bool patch;
tmp = RREG32(MC_SEQ_MISC0);
patch = ((tmp & 0x0000f00) == 0x300) ? true : false;
if (patch &&
((rdev->pdev->device == 0x67B0) ||
(rdev->pdev->device == 0x67B1))) {
for (i = 0; i < table->last; i++) {
if (table->last >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
return -EINVAL;
switch(table->mc_reg_address[i].s1 >> 2) {
case MC_SEQ_MISC1:
for (k = 0; k < table->num_entries; k++) {
if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
(table->mc_reg_table_entry[k].mclk_max == 137500))
table->mc_reg_table_entry[k].mc_data[i] =
(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFF8) |
0x00000007;
}
break;
case MC_SEQ_WR_CTL_D0:
for (k = 0; k < table->num_entries; k++) {
if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
(table->mc_reg_table_entry[k].mclk_max == 137500))
table->mc_reg_table_entry[k].mc_data[i] =
(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFF0F00) |
0x0000D0DD;
}
break;
case MC_SEQ_WR_CTL_D1:
for (k = 0; k < table->num_entries; k++) {
if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
(table->mc_reg_table_entry[k].mclk_max == 137500))
table->mc_reg_table_entry[k].mc_data[i] =
(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFF0F00) |
0x0000D0DD;
}
break;
case MC_SEQ_WR_CTL_2:
for (k = 0; k < table->num_entries; k++) {
if ((table->mc_reg_table_entry[k].mclk_max == 125000) ||
(table->mc_reg_table_entry[k].mclk_max == 137500))
table->mc_reg_table_entry[k].mc_data[i] = 0;
}
break;
case MC_SEQ_CAS_TIMING:
for (k = 0; k < table->num_entries; k++) {
if (table->mc_reg_table_entry[k].mclk_max == 125000)
table->mc_reg_table_entry[k].mc_data[i] =
(table->mc_reg_table_entry[k].mc_data[i] & 0xFFE0FE0F) |
0x000C0140;
else if (table->mc_reg_table_entry[k].mclk_max == 137500)
table->mc_reg_table_entry[k].mc_data[i] =
(table->mc_reg_table_entry[k].mc_data[i] & 0xFFE0FE0F) |
0x000C0150;
}
break;
case MC_SEQ_MISC_TIMING:
for (k = 0; k < table->num_entries; k++) {
if (table->mc_reg_table_entry[k].mclk_max == 125000)
table->mc_reg_table_entry[k].mc_data[i] =
(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFE0) |
0x00000030;
else if (table->mc_reg_table_entry[k].mclk_max == 137500)
table->mc_reg_table_entry[k].mc_data[i] =
(table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFE0) |
0x00000035;
}
break;
default:
break;
}
}
WREG32(MC_SEQ_IO_DEBUG_INDEX, 3);
tmp = RREG32(MC_SEQ_IO_DEBUG_DATA);
tmp = (tmp & 0xFFF8FFFF) | (1 << 16);
WREG32(MC_SEQ_IO_DEBUG_INDEX, 3);
WREG32(MC_SEQ_IO_DEBUG_DATA, tmp);
}
return 0;
}
static int ci_initialize_mc_reg_table(struct radeon_device *rdev)
{
struct ci_power_info *pi = ci_get_pi(rdev);
@ -4142,6 +4232,10 @@ static int ci_initialize_mc_reg_table(struct radeon_device *rdev)
ci_set_s0_mc_reg_index(ci_table);
ret = ci_register_patching_mc_seq(rdev, ci_table);
if (ret)
goto init_mc_done;
ret = ci_set_mc_special_registers(rdev, ci_table);
if (ret)
goto init_mc_done;