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drm/amd/powerplay: add support for 3DP 4K@120Hz on vega10.

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Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2017-07-21 13:27:07 +08:00 committed by Alex Deucher
parent cf2f0a3720
commit e2b2175e35
1 changed files with 80 additions and 8 deletions
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88
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
View file

@ -31,6 +31,8 @@
#include "cgs_common.h"
#include "vega10_pptable.h"
#define NUM_DSPCLK_LEVELS 8
static void set_hw_cap(struct pp_hwmgr *hwmgr, bool enable,
enum phm_platform_caps cap)
{
@ -644,11 +646,11 @@ static int get_gfxclk_voltage_dependency_table(
return 0;
}
static int get_dcefclk_voltage_dependency_table(
static int get_pix_clk_voltage_dependency_table(
struct pp_hwmgr *hwmgr,
struct phm_ppt_v1_clock_voltage_dependency_table
**pp_vega10_clk_dep_table,
const ATOM_Vega10_DCEFCLK_Dependency_Table *clk_dep_table)
const ATOM_Vega10_PIXCLK_Dependency_Table *clk_dep_table)
{
uint32_t table_size, i;
struct phm_ppt_v1_clock_voltage_dependency_table
@ -681,6 +683,76 @@ static int get_dcefclk_voltage_dependency_table(
return 0;
}
static int get_dcefclk_voltage_dependency_table(
struct pp_hwmgr *hwmgr,
struct phm_ppt_v1_clock_voltage_dependency_table
**pp_vega10_clk_dep_table,
const ATOM_Vega10_DCEFCLK_Dependency_Table *clk_dep_table)
{
uint32_t table_size, i;
uint8_t num_entries;
struct phm_ppt_v1_clock_voltage_dependency_table
*clk_table;
struct cgs_system_info sys_info = {0};
uint32_t dev_id;
uint32_t rev_id;
PP_ASSERT_WITH_CODE((clk_dep_table->ucNumEntries != 0),
"Invalid PowerPlay Table!", return -1);
/*
* workaround needed to add another DPM level for pioneer cards
* as VBIOS is locked down.
* This DPM level was added to support 3DPM monitors @ 4K120Hz
*
*/
sys_info.size = sizeof(struct cgs_system_info);
sys_info.info_id = CGS_SYSTEM_INFO_PCIE_DEV;
cgs_query_system_info(hwmgr->device, &sys_info);
dev_id = (uint32_t)sys_info.value;
sys_info.size = sizeof(struct cgs_system_info);
sys_info.info_id = CGS_SYSTEM_INFO_PCIE_REV;
cgs_query_system_info(hwmgr->device, &sys_info);
rev_id = (uint32_t)sys_info.value;
if (dev_id == 0x6863 && rev_id == 0 &&
clk_dep_table->entries[clk_dep_table->ucNumEntries - 1].ulClk < 90000)
num_entries = clk_dep_table->ucNumEntries + 1 > NUM_DSPCLK_LEVELS ?
NUM_DSPCLK_LEVELS : clk_dep_table->ucNumEntries + 1;
else
num_entries = clk_dep_table->ucNumEntries;
table_size = sizeof(uint32_t) +
sizeof(phm_ppt_v1_clock_voltage_dependency_record) *
num_entries;
clk_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)
kzalloc(table_size, GFP_KERNEL);
if (!clk_table)
return -ENOMEM;
clk_table->count = (uint32_t)num_entries;
for (i = 0; i < clk_dep_table->ucNumEntries; i++) {
clk_table->entries[i].vddInd =
clk_dep_table->entries[i].ucVddInd;
clk_table->entries[i].clk =
le32_to_cpu(clk_dep_table->entries[i].ulClk);
}
if (i < num_entries) {
clk_table->entries[i].vddInd = clk_dep_table->entries[i-1].ucVddInd;
clk_table->entries[i].clk = 90000;
}
*pp_vega10_clk_dep_table = clk_table;
return 0;
}
static int get_pcie_table(struct pp_hwmgr *hwmgr,
struct phm_ppt_v1_pcie_table **vega10_pcie_table,
const Vega10_PPTable_Generic_SubTable_Header *table)
@ -862,21 +934,21 @@ static int init_powerplay_extended_tables(
gfxclk_dep_table);
if (!result && powerplay_table->usPixclkDependencyTableOffset)
result = get_dcefclk_voltage_dependency_table(hwmgr,
result = get_pix_clk_voltage_dependency_table(hwmgr,
&pp_table_info->vdd_dep_on_pixclk,
(const ATOM_Vega10_DCEFCLK_Dependency_Table*)
(const ATOM_Vega10_PIXCLK_Dependency_Table*)
pixclk_dep_table);
if (!result && powerplay_table->usPhyClkDependencyTableOffset)
result = get_dcefclk_voltage_dependency_table(hwmgr,
result = get_pix_clk_voltage_dependency_table(hwmgr,
&pp_table_info->vdd_dep_on_phyclk,
(const ATOM_Vega10_DCEFCLK_Dependency_Table *)
(const ATOM_Vega10_PIXCLK_Dependency_Table *)
phyclk_dep_table);
if (!result && powerplay_table->usDispClkDependencyTableOffset)
result = get_dcefclk_voltage_dependency_table(hwmgr,
result = get_pix_clk_voltage_dependency_table(hwmgr,
&pp_table_info->vdd_dep_on_dispclk,
(const ATOM_Vega10_DCEFCLK_Dependency_Table *)
(const ATOM_Vega10_PIXCLK_Dependency_Table *)
dispclk_dep_table);
if (!result && powerplay_table->usDcefclkDependencyTableOffset)