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path: root/drivers/gpu/drm/radeon/btc_dpm.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/btc_dpm.c')
-rw-r--r--drivers/gpu/drm/radeon/btc_dpm.c119
1 files changed, 95 insertions, 24 deletions
diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
index 084e69414fd..f81d7ca134d 100644
--- a/drivers/gpu/drm/radeon/btc_dpm.c
+++ b/drivers/gpu/drm/radeon/btc_dpm.c
@@ -29,6 +29,7 @@
#include "cypress_dpm.h"
#include "btc_dpm.h"
#include "atom.h"
+#include <linux/seq_file.h>
#define MC_CG_ARB_FREQ_F0 0x0a
#define MC_CG_ARB_FREQ_F1 0x0b
@@ -49,6 +50,7 @@ struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps);
struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev);
+extern int ni_mc_load_microcode(struct radeon_device *rdev);
//********* BARTS **************//
static const u32 barts_cgcg_cgls_default[] =
@@ -1168,6 +1170,23 @@ static const struct radeon_blacklist_clocks btc_blacklist_clocks[] =
{ 25000, 30000, RADEON_SCLK_UP }
};
+void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table,
+ u32 *max_clock)
+{
+ u32 i, clock = 0;
+
+ if ((table == NULL) || (table->count == 0)) {
+ *max_clock = clock;
+ return;
+ }
+
+ for (i = 0; i < table->count; i++) {
+ if (clock < table->entries[i].clk)
+ clock = table->entries[i].clk;
+ }
+ *max_clock = clock;
+}
+
void btc_apply_voltage_dependency_rules(struct radeon_clock_voltage_dependency_table *table,
u32 clock, u16 max_voltage, u16 *voltage)
{
@@ -1913,7 +1932,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev,
}
j++;
- if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
+ if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
return -EINVAL;
tmp = RREG32(MC_PMG_CMD_MRS);
@@ -1928,7 +1947,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev,
}
j++;
- if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
+ if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
return -EINVAL;
break;
case MC_SEQ_RESERVE_M >> 2:
@@ -1942,7 +1961,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev,
}
j++;
- if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
+ if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
return -EINVAL;
break;
default:
@@ -2080,6 +2099,7 @@ static void btc_apply_state_adjust_rules(struct radeon_device *rdev,
bool disable_mclk_switching;
u32 mclk, sclk;
u16 vddc, vddci;
+ u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc;
if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
btc_dpm_vblank_too_short(rdev))
@@ -2121,6 +2141,39 @@ static void btc_apply_state_adjust_rules(struct radeon_device *rdev,
ps->low.vddci = max_limits->vddci;
}
+ /* limit clocks to max supported clocks based on voltage dependency tables */
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
+ &max_sclk_vddc);
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
+ &max_mclk_vddci);
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
+ &max_mclk_vddc);
+
+ if (max_sclk_vddc) {
+ if (ps->low.sclk > max_sclk_vddc)
+ ps->low.sclk = max_sclk_vddc;
+ if (ps->medium.sclk > max_sclk_vddc)
+ ps->medium.sclk = max_sclk_vddc;
+ if (ps->high.sclk > max_sclk_vddc)
+ ps->high.sclk = max_sclk_vddc;
+ }
+ if (max_mclk_vddci) {
+ if (ps->low.mclk > max_mclk_vddci)
+ ps->low.mclk = max_mclk_vddci;
+ if (ps->medium.mclk > max_mclk_vddci)
+ ps->medium.mclk = max_mclk_vddci;
+ if (ps->high.mclk > max_mclk_vddci)
+ ps->high.mclk = max_mclk_vddci;
+ }
+ if (max_mclk_vddc) {
+ if (ps->low.mclk > max_mclk_vddc)
+ ps->low.mclk = max_mclk_vddc;
+ if (ps->medium.mclk > max_mclk_vddc)
+ ps->medium.mclk = max_mclk_vddc;
+ if (ps->high.mclk > max_mclk_vddc)
+ ps->high.mclk = max_mclk_vddc;
+ }
+
/* XXX validate the min clocks required for display */
if (disable_mclk_switching) {
@@ -2340,12 +2393,6 @@ int btc_dpm_set_power_state(struct radeon_device *rdev)
return ret;
}
- ret = rv770_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO);
- if (ret) {
- DRM_ERROR("rv770_dpm_force_performance_level failed\n");
- return ret;
- }
-
return 0;
}
@@ -2465,21 +2512,6 @@ int btc_dpm_enable(struct radeon_device *rdev)
if (eg_pi->ls_clock_gating)
btc_ls_clock_gating_enable(rdev, true);
- if (rdev->irq.installed &&
- r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
- PPSMC_Result result;
-
- ret = rv770_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
- if (ret)
- return ret;
- rdev->irq.dpm_thermal = true;
- radeon_irq_set(rdev);
- result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_EnableThermalInterrupt);
-
- if (result != PPSMC_Result_OK)
- DRM_DEBUG_KMS("Could not enable thermal interrupts.\n");
- }
-
rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
btc_init_stutter_mode(rdev);
@@ -2531,7 +2563,11 @@ void btc_dpm_disable(struct radeon_device *rdev)
void btc_dpm_setup_asic(struct radeon_device *rdev)
{
struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
+ int r;
+ r = ni_mc_load_microcode(rdev);
+ if (r)
+ DRM_ERROR("Failed to load MC firmware!\n");
rv770_get_memory_type(rdev);
rv740_read_clock_registers(rdev);
btc_read_arb_registers(rdev);
@@ -2565,6 +2601,10 @@ int btc_dpm_init(struct radeon_device *rdev)
pi->min_vddc_in_table = 0;
pi->max_vddc_in_table = 0;
+ ret = r600_get_platform_caps(rdev);
+ if (ret)
+ return ret;
+
ret = rv7xx_parse_power_table(rdev);
if (ret)
return ret;
@@ -2721,6 +2761,37 @@ void btc_dpm_fini(struct radeon_device *rdev)
r600_free_extended_power_table(rdev);
}
+void btc_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+ struct seq_file *m)
+{
+ struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
+ struct radeon_ps *rps = &eg_pi->current_rps;
+ struct rv7xx_ps *ps = rv770_get_ps(rps);
+ struct rv7xx_pl *pl;
+ u32 current_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
+ CURRENT_PROFILE_INDEX_SHIFT;
+
+ if (current_index > 2) {
+ seq_printf(m, "invalid dpm profile %d\n", current_index);
+ } else {
+ if (current_index == 0)
+ pl = &ps->low;
+ else if (current_index == 1)
+ pl = &ps->medium;
+ else /* current_index == 2 */
+ pl = &ps->high;
+ seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
+ if (rdev->family >= CHIP_CEDAR) {
+ seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u vddci: %u\n",
+ current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
+ } else {
+ seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n",
+ current_index, pl->sclk, pl->mclk, pl->vddc);
+ }
+ }
+}
+
u32 btc_dpm_get_sclk(struct radeon_device *rdev, bool low)
{
struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 23:32:32 +0000