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drm/radeon/dpm/btc: off by one in btc_set_mc_special_registers()

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It should be ">=" instead of ">" here.  The table->mc_reg_address[]
array has SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE (16) elements.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Dan Carpenter 2013-09-27 23:18:39 +03:00 committed by Alex Deucher
parent 89cd67b326
commit 96d8df846f
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/radeon/btc_dpm.c
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@ -1930,7 +1930,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev,
} }
j++; j++;
if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
return -EINVAL; return -EINVAL;
tmp = RREG32(MC_PMG_CMD_MRS); tmp = RREG32(MC_PMG_CMD_MRS);
@ -1945,7 +1945,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev,
} }
j++; j++;
if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
return -EINVAL; return -EINVAL;
break; break;
case MC_SEQ_RESERVE_M >> 2: case MC_SEQ_RESERVE_M >> 2:
@ -1959,7 +1959,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev,
} }
j++; j++;
if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
return -EINVAL; return -EINVAL;
break; break;
default: default: