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authorAlex Deucher <alexander.deucher@amd.com>2013-06-26 00:35:16 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-06-27 19:15:47 -0400
commitf85392bcf94c5ae8bf55852827dcfa46f86502dc (patch)
tree3d1b8cbcc56df441394d668c1f731e803fbcfbd2 /drivers/gpu/drm/radeon/rv770_dpm.c
parent7c464f68b361aa05f964e22f7a8be4e7a7698a70 (diff)
drm/radeon: add dpm UVD handling for evergreen/btc asics
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770_dpm.c')
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 8cdad4fe3b8f..75062c4f113d 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -265,22 +265,21 @@ int rv770_populate_smc_t(struct radeon_device *rdev,
l[0] = 0;
r[2] = 100;
- a_n = (int)state->medium.sclk * RV770_LMP_DFLT +
- (int)state->low.sclk * (R600_AH_DFLT - RV770_RLP_DFLT);
- a_d = (int)state->low.sclk * (100 - (int)RV770_RLP_DFLT) +
- (int)state->medium.sclk * RV770_LMP_DFLT;
+ a_n = (int)state->medium.sclk * pi->lmp +
+ (int)state->low.sclk * (R600_AH_DFLT - pi->rlp);
+ a_d = (int)state->low.sclk * (100 - (int)pi->rlp) +
+ (int)state->medium.sclk * pi->lmp;
- l[1] = (u8)(RV770_LMP_DFLT - (int)RV770_LMP_DFLT * a_n / a_d);
- r[0] = (u8)(RV770_RLP_DFLT + (100 - (int)RV770_RLP_DFLT) * a_n / a_d);
+ l[1] = (u8)(pi->lmp - (int)pi->lmp * a_n / a_d);
+ r[0] = (u8)(pi->rlp + (100 - (int)pi->rlp) * a_n / a_d);
- a_n = (int)state->high.sclk * RV770_LHP_DFLT +
- (int)state->medium.sclk *
- (R600_AH_DFLT - RV770_RMP_DFLT);
- a_d = (int)state->medium.sclk * (100 - (int)RV770_RMP_DFLT) +
- (int)state->high.sclk * RV770_LHP_DFLT;
+ a_n = (int)state->high.sclk * pi->lhp + (int)state->medium.sclk *
+ (R600_AH_DFLT - pi->rmp);
+ a_d = (int)state->medium.sclk * (100 - (int)pi->rmp) +
+ (int)state->high.sclk * pi->lhp;
- l[2] = (u8)(RV770_LHP_DFLT - (int)RV770_LHP_DFLT * a_n / a_d);
- r[1] = (u8)(RV770_RMP_DFLT + (100 - (int)RV770_RMP_DFLT) * a_n / a_d);
+ l[2] = (u8)(pi->lhp - (int)pi->lhp * a_n / a_d);
+ r[1] = (u8)(pi->rmp + (100 - (int)pi->rmp) * a_n / a_d);
for (i = 0; i < (RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1); i++) {
a_t = CG_R(r[i] * pi->bsp / 200) | CG_L(l[i] * pi->bsp / 200);
@@ -2281,6 +2280,11 @@ int rv770_dpm_init(struct radeon_device *rdev)
pi->mclk_strobe_mode_threshold = 30000;
pi->mclk_edc_enable_threshold = 30000;
+ pi->rlp = RV770_RLP_DFLT;
+ pi->rmp = RV770_RMP_DFLT;
+ pi->lhp = RV770_LHP_DFLT;
+ pi->lmp = RV770_LMP_DFLT;
+
pi->voltage_control =
radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC);