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| author | Tim Huang <tim.huang@amd.com> | 2024-08-01 14:04:52 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-09-26 17:06:18 -0400 |
| commit | 381ec8161d5fab5395043215d9e3522cbddf6ccd (patch) | |
| tree | f11a9cdbb55a092bf1102fc76533964528f25ed0 /drivers | |
| parent | 5839d27d5b2dad160e402bfac16ab61b481c47f3 (diff) | |
| download | linux-381ec8161d5fab5395043215d9e3522cbddf6ccd.tar.gz linux-381ec8161d5fab5395043215d9e3522cbddf6ccd.tar.bz2 linux-381ec8161d5fab5395043215d9e3522cbddf6ccd.zip | |
drm/amdgpu: check return for setting engine dram timings
This resolves the unchecded return value warning reported by Coverity.
Signed-off-by: Tim Huang <tim.huang@amd.com>
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c | 8 |
3 files changed, 11 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 0c8975ac5af9..093141ad6ed0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1145,8 +1145,8 @@ int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev, return 0; } -void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, - u32 eng_clock, u32 mem_clock) +int amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, + u32 eng_clock, u32 mem_clock) { SET_ENGINE_CLOCK_PS_ALLOCATION args; int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings); @@ -1161,8 +1161,8 @@ void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, if (mem_clock) args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK); - amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args, - sizeof(args)); + return amdgpu_atom_execute_table(adev->mode_info.atom_context, index, + (uint32_t *)&args, sizeof(args)); } void amdgpu_atombios_get_default_voltages(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h index 0811474e8fd3..0e16432d9a72 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h @@ -163,8 +163,8 @@ int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev, bool strobe_mode, struct atom_mpll_param *mpll_param); -void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, - u32 eng_clock, u32 mem_clock); +int amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev, + u32 eng_clock, u32 mem_clock); bool amdgpu_atombios_is_voltage_gpio(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c index a1baa13ab2c2..43028e776c93 100644 --- a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c @@ -4755,13 +4755,15 @@ static int si_populate_memory_timing_parameters(struct amdgpu_device *adev, u32 dram_timing; u32 dram_timing2; u32 burst_time; + int ret; arb_regs->mc_arb_rfsh_rate = (u8)si_calculate_memory_refresh_rate(adev, pl->sclk); - amdgpu_atombios_set_engine_dram_timings(adev, - pl->sclk, - pl->mclk); + ret = amdgpu_atombios_set_engine_dram_timings(adev, pl->sclk, + pl->mclk); + if (ret) + return ret; dram_timing = RREG32(MC_ARB_DRAM_TIMING); dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2); |