diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/ni_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni_dpm.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index 769f666335ac..82edbfb259bf 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -2241,8 +2241,12 @@ static int ni_populate_mclk_value(struct radeon_device *rdev, ASIC_INTERNAL_MEMORY_SS, vco_freq)) { u32 reference_clock = rdev->clock.mpll.reference_freq; u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div); - u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate); - u32 clk_v = ss.percentage * + u32 clk_s, clk_v; + + if (!decoded_ref) + return -EINVAL; + clk_s = reference_clock * 5 / (decoded_ref * ss.rate); + clk_v = ss.percentage * (0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625); mpll_ss1 &= ~CLKV_MASK; @@ -2741,10 +2745,10 @@ static int ni_set_mc_special_registers(struct radeon_device *rdev, table->mc_reg_table_entry[k].mc_data[j] |= 0x100; } j++; - if (j > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE) - return -EINVAL; break; case MC_SEQ_RESERVE_M >> 2: + if (j >= SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE) + return -EINVAL; temp_reg = RREG32(MC_PMG_CMD_MRS1); table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS1 >> 2; table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2; @@ -2753,8 +2757,6 @@ static int ni_set_mc_special_registers(struct radeon_device *rdev, (temp_reg & 0xffff0000) | (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff); j++; - if (j > SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE) - return -EINVAL; break; default: break; @@ -3101,9 +3103,6 @@ static int ni_init_simplified_leakage_table(struct radeon_device *rdev, u32 smc_leakage, max_leakage = 0; u32 scaling_factor; - if (!leakage_table) - return -EINVAL; - table_size = leakage_table->count; if (eg_pi->vddc_voltage_table.count != table_size) @@ -3398,7 +3397,7 @@ static int ni_enable_smc_cac(struct radeon_device *rdev, if (PPSMC_Result_OK != smc_result) ret = -EINVAL; - ni_pi->cac_enabled = (PPSMC_Result_OK == smc_result) ? true : false; + ni_pi->cac_enabled = PPSMC_Result_OK == smc_result; } } else if (ni_pi->cac_enabled) { smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_DisableCac); |