FAILED: patch "[PATCH] drm/radeon/ni_dpm: Fix booting bug" failed to apply to 5.13-stable tree

Christian Zigotzky chzigotzky at xenosoft.de
Tue Jul 20 01:06:21 AEST 2021


On 19 July 2021 04:58 pm, Christian Zigotzky wrote:
> On 19 July 2021 at 04:32 pm, Stan Johnson wrote:
>> On 7/18/21 10:23 PM, Christian Zigotzky wrote:
>>> Hello Stan,
>>>
>>> We had the same issue during the 5.14 merge window. Please look in the
>>> following thread:
>>>
>>> https://forum.hyperion-entertainment.com/viewtopic.php?p=53511#p53511
>>>
>>> There is a patch available. Please try it.
>>>
>>> Thanks,
>>> Christian
>>> ...
>> Hello Christian,
>>
>> Thanks. There were some errors applying the patch, so it wasn't fully
>> applied (see below). Of course, I'm using 5.13.2, not 5.14, so maybe
>> that's expected.
>>
>> The patched 5.13.2 kernel still results in a blank screen while trying
>> to run wdm. On this attempt, wdm has died (oddly the screen remains
>> blank; it should display a text login after X dies). The Xorg.0.log
>> looks reasonable enough.
>>
>> I tried disabling wdm, then rebooted, logged in at the console and ran
>> "startx". The screen goes blank, X is running, startx is running:
>>
>> johnson   1392  0.0  0.2   2572  1452 tty1     S+   08:06   0:00 /bin/sh
>> /usr/bin/startx
>> johnson   1414  0.0  0.4   4904  2096 tty1     S+   08:06   0:00 xinit
>> /etc/X11/xinit/xinitrc -- /etc/X11/xinit/xserverrc :0 vt1 -keeptty -auth
>> /tmp/serverauth.dJ7lSnzjjo
>> johnson   1415  1.0  8.2 128436 41924 tty1     Sl   08:06   0:04
>> /usr/lib/xorg/Xorg -nolisten tcp :0 vt1 -keeptty -auth
>> /tmp/serverauth.dJ7lSnzjjo
>>
>> I had to use "kill -KILL" to kill the startx, xinit and Xorg processes.
>> After those were killed, the screen was still blank, and even though
>> nothing was running, the load average was still around 1.00 several
>> minutes later, so something is still taking CPU time:
>>
>> $ uptime
>>   08:25:15 up 20 min,  2 users,  load average: 1.00, 1.00, 0.84
>>
>> I can attempt a git bisect, though that will take some time.
>>
>> -Stan
>>
>> ----------
>> $ patch -p1
>> <../v3-drm-radeon-Fix-NULL-dereference-when-updating-memory-stats.patch
>> patching file drivers/gpu/drm/radeon/radeon_object.c
>> Hunk #2 FAILED at 76.
>> Hunk #3 FAILED at 727.
>> 2 out of 3 hunks FAILED -- saving rejects to file
>> drivers/gpu/drm/radeon/radeon_object.c.rej
>> patching file drivers/gpu/drm/radeon/radeon_object.h
>> patching file drivers/gpu/drm/radeon/radeon_ttm.c
>> Hunk #1 FAILED at 199.
>> Hunk #2 succeeded at 227 (offset 11 lines).
>> Hunk #3 succeeded at 275 (offset 11 lines).
>> Hunk #4 succeeded at 697 (offset 12 lines).
>> 1 out of 4 hunks FAILED -- saving rejects to file
>> drivers/gpu/drm/radeon/radeon_ttm.c.rej
>> johnson at mac-server:/data/software/working/linux-5.13.2$ cat
>> drivers/gpu/drm/radeon/radeon_ttm.c.rej
>> --- drivers/gpu/drm/radeon/radeon_ttm.c
>> +++ drivers/gpu/drm/radeon/radeon_ttm.c
>> @@ -199,7 +199,7 @@ static int radeon_bo_move(struct ttm_buffer_object
>> *bo, bool evict,
>>       struct ttm_resource *old_mem = bo->resource;
>>       struct radeon_device *rdev;
>>       struct radeon_bo *rbo;
>> -    int r;
>> +    int r, old_type;
>>
>>       if (new_mem->mem_type == TTM_PL_TT) {
>>           r = radeon_ttm_tt_bind(bo->bdev, bo->ttm, new_mem);
>>
>> ---------
> Hello Stan,
>
> Greg has the same issue with patching the kernel 5.13 [1]. We have to 
> wait for a solution.
>
> - Christian
Stan,

Forget it. It's another issue below.

Sorry,
Christian
>
> [1]
>
> The patch below does not apply to the 5.13-stable tree.
> If someone wants it applied there, or to any other stable or longterm
> tree, then please email the backport, including the original git commit
> id to <stable at vger.kernel.org>.
>
> thanks,
>
> greg k-h
>
> ------------------ original commit in Linus's tree ------------------
>
> >From 293774413a3f519c826d4eb5313ef02e20515700 Mon Sep 17 00:00:00 2001
> From: "Gustavo A. R. Silva" <gustavoars at kernel.org>
> Date: Sun, 9 May 2021 17:49:26 -0500
> Subject: [PATCH] drm/radeon/ni_dpm: Fix booting bug
>
> Create new structure NISLANDS_SMC_SWSTATE_SINGLE, as initialState.levels
> and ACPIState.levels are never actually used as flexible arrays. Those
> arrays can be used as simple objects of type
> NISLANDS_SMC_HW_PERFORMANCE_LEVEL, instead.
>
> Currently, the code fails because flexible array _levels_ in
> struct NISLANDS_SMC_SWSTATE doesn't allow for code that access
> the first element of initialState.levels and ACPIState.levels
> arrays:
>
> drivers/gpu/drm/radeon/ni_dpm.c:
> 1690 table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL =
> 1691 cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl);
> ...
> 1903:   table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL = 
> cpu_to_be32(mpll_ad_func_cntl);
> 1904:   table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 = 
> cpu_to_be32(mpll_ad_func_cntl_2);
>
> because such element cannot exist without previously allocating
> any dynamic memory for it (which never actually happens).
>
> That's why struct NISLANDS_SMC_SWSTATE should only be used as type
> for object driverState and new struct SISLANDS_SMC_SWSTATE_SINGLE is
> created as type for objects initialState, ACPIState and ULVState.
>
> Also, with the change from one-element array to flexible-array member
> in commit 434fb1e7444a ("drm/radeon/nislands_smc.h: Replace one-element
> array with flexible-array member in struct NISLANDS_SMC_SWSTATE"), the
> size of dpmLevels in struct NISLANDS_SMC_STATETABLE should be fixed to
> be NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE instead of
> NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1.
>
> Bug: 
> https://lore.kernel.org/dri-devel/3eedbe78-1fbd-4763-a7f3-ac5665e76a4a@xenosoft.de/
> Fixes: 434fb1e7444a ("drm/radeon/nislands_smc.h: Replace one-element 
> array with flexible-array member in struct NISLANDS_SMC_SWSTATE")
> Cc: stable at vger.kernel.org
> Reported-by: Christian Zigotzky <chzigotzky at xenosoft.de>
> Tested-by: Christian Zigotzky <chzigotzky at xenosoft.de>
> Link: 
> https://lore.kernel.org/dri-devel/9bb5fcbd-daf5-1669-b3e7-b8624b3c36f9@xenosoft.de/
> Signed-off-by: Gustavo A. R. Silva <gustavoars at kernel.org>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
>
> diff --git a/drivers/gpu/drm/radeon/ni_dpm.c 
> b/drivers/gpu/drm/radeon/ni_dpm.c
> index dd5ef6493723..769f666335ac 100644
> --- a/drivers/gpu/drm/radeon/ni_dpm.c
> +++ b/drivers/gpu/drm/radeon/ni_dpm.c
> @@ -1687,102 +1687,102 @@ static int 
> ni_populate_smc_initial_state(struct radeon_device *rdev,
>      u32 reg;
>      int ret;
>
> -    table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL =
> +    table->initialState.level.mclk.vMPLL_AD_FUNC_CNTL =
>          cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl);
> -    table->initialState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 =
> +    table->initialState.level.mclk.vMPLL_AD_FUNC_CNTL_2 =
> cpu_to_be32(ni_pi->clock_registers.mpll_ad_func_cntl_2);
> -    table->initialState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL =
> +    table->initialState.level.mclk.vMPLL_DQ_FUNC_CNTL =
>          cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl);
> -    table->initialState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL_2 =
> +    table->initialState.level.mclk.vMPLL_DQ_FUNC_CNTL_2 =
> cpu_to_be32(ni_pi->clock_registers.mpll_dq_func_cntl_2);
> -    table->initialState.levels[0].mclk.vMCLK_PWRMGT_CNTL =
> +    table->initialState.level.mclk.vMCLK_PWRMGT_CNTL =
>          cpu_to_be32(ni_pi->clock_registers.mclk_pwrmgt_cntl);
> -    table->initialState.levels[0].mclk.vDLL_CNTL =
> +    table->initialState.level.mclk.vDLL_CNTL =
>          cpu_to_be32(ni_pi->clock_registers.dll_cntl);
> -    table->initialState.levels[0].mclk.vMPLL_SS =
> +    table->initialState.level.mclk.vMPLL_SS =
>          cpu_to_be32(ni_pi->clock_registers.mpll_ss1);
> -    table->initialState.levels[0].mclk.vMPLL_SS2 =
> +    table->initialState.level.mclk.vMPLL_SS2 =
>          cpu_to_be32(ni_pi->clock_registers.mpll_ss2);
> -    table->initialState.levels[0].mclk.mclk_value =
> +    table->initialState.level.mclk.mclk_value =
> cpu_to_be32(initial_state->performance_levels[0].mclk);
>
> -    table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL =
> +    table->initialState.level.sclk.vCG_SPLL_FUNC_CNTL =
>          cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl);
> -    table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 =
> +    table->initialState.level.sclk.vCG_SPLL_FUNC_CNTL_2 =
> cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_2);
> -    table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 =
> +    table->initialState.level.sclk.vCG_SPLL_FUNC_CNTL_3 =
> cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_3);
> -    table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_4 =
> +    table->initialState.level.sclk.vCG_SPLL_FUNC_CNTL_4 =
> cpu_to_be32(ni_pi->clock_registers.cg_spll_func_cntl_4);
> - table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM =
> +    table->initialState.level.sclk.vCG_SPLL_SPREAD_SPECTRUM =
> cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum);
> - table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM_2 =
> +    table->initialState.level.sclk.vCG_SPLL_SPREAD_SPECTRUM_2 =
> cpu_to_be32(ni_pi->clock_registers.cg_spll_spread_spectrum_2);
> -    table->initialState.levels[0].sclk.sclk_value =
> +    table->initialState.level.sclk.sclk_value =
> cpu_to_be32(initial_state->performance_levels[0].sclk);
> -    table->initialState.levels[0].arbRefreshState =
> +    table->initialState.level.arbRefreshState =
>          NISLANDS_INITIAL_STATE_ARB_INDEX;
>
> -    table->initialState.levels[0].ACIndex = 0;
> +    table->initialState.level.ACIndex = 0;
>
>      ret = ni_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table,
>                      initial_state->performance_levels[0].vddc,
> -                    &table->initialState.levels[0].vddc);
> +                    &table->initialState.level.vddc);
>      if (!ret) {
>          u16 std_vddc;
>
>          ret = ni_get_std_voltage_value(rdev,
> - &table->initialState.levels[0].vddc,
> + &table->initialState.level.vddc,
>                             &std_vddc);
>          if (!ret)
>              ni_populate_std_voltage_value(rdev, std_vddc,
> - table->initialState.levels[0].vddc.index,
> - &table->initialState.levels[0].std_vddc);
> + table->initialState.level.vddc.index,
> + &table->initialState.level.std_vddc);
>      }
>
>      if (eg_pi->vddci_control)
>          ni_populate_voltage_value(rdev,
>                        &eg_pi->vddci_voltage_table,
> initial_state->performance_levels[0].vddci,
> - &table->initialState.levels[0].vddci);
> +                      &table->initialState.level.vddci);
>
> -    ni_populate_initial_mvdd_value(rdev, 
> &table->initialState.levels[0].mvdd);
> +    ni_populate_initial_mvdd_value(rdev, 
> &table->initialState.level.mvdd);
>
>      reg = CG_R(0xffff) | CG_L(0);
> -    table->initialState.levels[0].aT = cpu_to_be32(reg);
> +    table->initialState.level.aT = cpu_to_be32(reg);
>
> -    table->initialState.levels[0].bSP = cpu_to_be32(pi->dsp);
> +    table->initialState.level.bSP = cpu_to_be32(pi->dsp);
>
>      if (pi->boot_in_gen2)
> -        table->initialState.levels[0].gen2PCIE = 1;
> +        table->initialState.level.gen2PCIE = 1;
>      else
> -        table->initialState.levels[0].gen2PCIE = 0;
> +        table->initialState.level.gen2PCIE = 0;
>
>      if (pi->mem_gddr5) {
> -        table->initialState.levels[0].strobeMode =
> +        table->initialState.level.strobeMode =
>              cypress_get_strobe_mode_settings(rdev,
>  initial_state->performance_levels[0].mclk);
>
>          if (initial_state->performance_levels[0].mclk > 
> pi->mclk_edc_enable_threshold)
> -            table->initialState.levels[0].mcFlags = 
> NISLANDS_SMC_MC_EDC_RD_FLAG | NISLANDS_SMC_MC_EDC_WR_FLAG;
> +            table->initialState.level.mcFlags = 
> NISLANDS_SMC_MC_EDC_RD_FLAG | NISLANDS_SMC_MC_EDC_WR_FLAG;
>          else
> -            table->initialState.levels[0].mcFlags =  0;
> +            table->initialState.level.mcFlags =  0;
>      }
>
>      table->initialState.levelCount = 1;
>
>      table->initialState.flags |= PPSMC_SWSTATE_FLAG_DC;
>
> -    table->initialState.levels[0].dpm2.MaxPS = 0;
> -    table->initialState.levels[0].dpm2.NearTDPDec = 0;
> -    table->initialState.levels[0].dpm2.AboveSafeInc = 0;
> -    table->initialState.levels[0].dpm2.BelowSafeInc = 0;
> +    table->initialState.level.dpm2.MaxPS = 0;
> +    table->initialState.level.dpm2.NearTDPDec = 0;
> +    table->initialState.level.dpm2.AboveSafeInc = 0;
> +    table->initialState.level.dpm2.BelowSafeInc = 0;
>
>      reg = MIN_POWER_MASK | MAX_POWER_MASK;
> -    table->initialState.levels[0].SQPowerThrottle = cpu_to_be32(reg);
> +    table->initialState.level.SQPowerThrottle = cpu_to_be32(reg);
>
>      reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
> -    table->initialState.levels[0].SQPowerThrottle_2 = cpu_to_be32(reg);
> +    table->initialState.level.SQPowerThrottle_2 = cpu_to_be32(reg);
>
>      return 0;
>  }
> @@ -1813,43 +1813,43 @@ static int ni_populate_smc_acpi_state(struct 
> radeon_device *rdev,
>      if (pi->acpi_vddc) {
>          ret = ni_populate_voltage_value(rdev,
>                          &eg_pi->vddc_voltage_table,
> -                        pi->acpi_vddc, 
> &table->ACPIState.levels[0].vddc);
> +                        pi->acpi_vddc, &table->ACPIState.level.vddc);
>          if (!ret) {
>              u16 std_vddc;
>
>              ret = ni_get_std_voltage_value(rdev,
> - &table->ACPIState.levels[0].vddc, &std_vddc);
> + &table->ACPIState.level.vddc, &std_vddc);
>              if (!ret)
>                  ni_populate_std_voltage_value(rdev, std_vddc,
> - table->ACPIState.levels[0].vddc.index,
> - &table->ACPIState.levels[0].std_vddc);
> + table->ACPIState.level.vddc.index,
> + &table->ACPIState.level.std_vddc);
>          }
>
>          if (pi->pcie_gen2) {
>              if (pi->acpi_pcie_gen2)
> -                table->ACPIState.levels[0].gen2PCIE = 1;
> +                table->ACPIState.level.gen2PCIE = 1;
>              else
> -                table->ACPIState.levels[0].gen2PCIE = 0;
> +                table->ACPIState.level.gen2PCIE = 0;
>          } else {
> -            table->ACPIState.levels[0].gen2PCIE = 0;
> +            table->ACPIState.level.gen2PCIE = 0;
>          }
>      } else {
>          ret = ni_populate_voltage_value(rdev,
>                          &eg_pi->vddc_voltage_table,
>                          pi->min_vddc_in_table,
> -                        &table->ACPIState.levels[0].vddc);
> +                        &table->ACPIState.level.vddc);
>          if (!ret) {
>              u16 std_vddc;
>
>              ret = ni_get_std_voltage_value(rdev,
> - &table->ACPIState.levels[0].vddc,
> + &table->ACPIState.level.vddc,
>                                 &std_vddc);
>              if (!ret)
>                  ni_populate_std_voltage_value(rdev, std_vddc,
> - table->ACPIState.levels[0].vddc.index,
> - &table->ACPIState.levels[0].std_vddc);
> + table->ACPIState.level.vddc.index,
> + &table->ACPIState.level.std_vddc);
>          }
> -        table->ACPIState.levels[0].gen2PCIE = 0;
> +        table->ACPIState.level.gen2PCIE = 0;
>      }
>
>      if (eg_pi->acpi_vddci) {
> @@ -1857,7 +1857,7 @@ static int ni_populate_smc_acpi_state(struct 
> radeon_device *rdev,
>              ni_populate_voltage_value(rdev,
>                            &eg_pi->vddci_voltage_table,
>                            eg_pi->acpi_vddci,
> - &table->ACPIState.levels[0].vddci);
> +                          &table->ACPIState.level.vddci);
>      }
>
>
> @@ -1900,37 +1900,37 @@ static int ni_populate_smc_acpi_state(struct 
> radeon_device *rdev,
>      spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
>      spll_func_cntl_2 |= SCLK_MUX_SEL(4);
>
> -    table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL = 
> cpu_to_be32(mpll_ad_func_cntl);
> -    table->ACPIState.levels[0].mclk.vMPLL_AD_FUNC_CNTL_2 = 
> cpu_to_be32(mpll_ad_func_cntl_2);
> -    table->ACPIState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL = 
> cpu_to_be32(mpll_dq_func_cntl);
> -    table->ACPIState.levels[0].mclk.vMPLL_DQ_FUNC_CNTL_2 = 
> cpu_to_be32(mpll_dq_func_cntl_2);
> -    table->ACPIState.levels[0].mclk.vMCLK_PWRMGT_CNTL = 
> cpu_to_be32(mclk_pwrmgt_cntl);
> -    table->ACPIState.levels[0].mclk.vDLL_CNTL = cpu_to_be32(dll_cntl);
> +    table->ACPIState.level.mclk.vMPLL_AD_FUNC_CNTL = 
> cpu_to_be32(mpll_ad_func_cntl);
> +    table->ACPIState.level.mclk.vMPLL_AD_FUNC_CNTL_2 = 
> cpu_to_be32(mpll_ad_func_cntl_2);
> +    table->ACPIState.level.mclk.vMPLL_DQ_FUNC_CNTL = 
> cpu_to_be32(mpll_dq_func_cntl);
> +    table->ACPIState.level.mclk.vMPLL_DQ_FUNC_CNTL_2 = 
> cpu_to_be32(mpll_dq_func_cntl_2);
> +    table->ACPIState.level.mclk.vMCLK_PWRMGT_CNTL = 
> cpu_to_be32(mclk_pwrmgt_cntl);
> +    table->ACPIState.level.mclk.vDLL_CNTL = cpu_to_be32(dll_cntl);
>
> -    table->ACPIState.levels[0].mclk.mclk_value = 0;
> +    table->ACPIState.level.mclk.mclk_value = 0;
>
> -    table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL = 
> cpu_to_be32(spll_func_cntl);
> -    table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 = 
> cpu_to_be32(spll_func_cntl_2);
> -    table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 = 
> cpu_to_be32(spll_func_cntl_3);
> -    table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_4 = 
> cpu_to_be32(spll_func_cntl_4);
> +    table->ACPIState.level.sclk.vCG_SPLL_FUNC_CNTL = 
> cpu_to_be32(spll_func_cntl);
> +    table->ACPIState.level.sclk.vCG_SPLL_FUNC_CNTL_2 = 
> cpu_to_be32(spll_func_cntl_2);
> +    table->ACPIState.level.sclk.vCG_SPLL_FUNC_CNTL_3 = 
> cpu_to_be32(spll_func_cntl_3);
> +    table->ACPIState.level.sclk.vCG_SPLL_FUNC_CNTL_4 = 
> cpu_to_be32(spll_func_cntl_4);
>
> -    table->ACPIState.levels[0].sclk.sclk_value = 0;
> +    table->ACPIState.level.sclk.sclk_value = 0;
>
> -    ni_populate_mvdd_value(rdev, 0, &table->ACPIState.levels[0].mvdd);
> +    ni_populate_mvdd_value(rdev, 0, &table->ACPIState.level.mvdd);
>
>      if (eg_pi->dynamic_ac_timing)
> -        table->ACPIState.levels[0].ACIndex = 1;
> +        table->ACPIState.level.ACIndex = 1;
>
> -    table->ACPIState.levels[0].dpm2.MaxPS = 0;
> -    table->ACPIState.levels[0].dpm2.NearTDPDec = 0;
> -    table->ACPIState.levels[0].dpm2.AboveSafeInc = 0;
> -    table->ACPIState.levels[0].dpm2.BelowSafeInc = 0;
> +    table->ACPIState.level.dpm2.MaxPS = 0;
> +    table->ACPIState.level.dpm2.NearTDPDec = 0;
> +    table->ACPIState.level.dpm2.AboveSafeInc = 0;
> +    table->ACPIState.level.dpm2.BelowSafeInc = 0;
>
>      reg = MIN_POWER_MASK | MAX_POWER_MASK;
> -    table->ACPIState.levels[0].SQPowerThrottle = cpu_to_be32(reg);
> +    table->ACPIState.level.SQPowerThrottle = cpu_to_be32(reg);
>
>      reg = MAX_POWER_DELTA_MASK | STI_SIZE_MASK | LTI_RATIO_MASK;
> -    table->ACPIState.levels[0].SQPowerThrottle_2 = cpu_to_be32(reg);
> +    table->ACPIState.level.SQPowerThrottle_2 = cpu_to_be32(reg);
>
>      return 0;
>  }
> @@ -1980,7 +1980,9 @@ static int ni_init_smc_table(struct 
> radeon_device *rdev)
>      if (ret)
>          return ret;
>
> -    table->driverState = table->initialState;
> +    table->driverState.flags = table->initialState.flags;
> +    table->driverState.levelCount = table->initialState.levelCount;
> +    table->driverState.levels[0] = table->initialState.level;
>
>      table->ULVState = table->initialState;
>
> diff --git a/drivers/gpu/drm/radeon/nislands_smc.h 
> b/drivers/gpu/drm/radeon/nislands_smc.h
> index 7395cb6b3cac..42f3bab0f9ee 100644
> --- a/drivers/gpu/drm/radeon/nislands_smc.h
> +++ b/drivers/gpu/drm/radeon/nislands_smc.h
> @@ -143,6 +143,14 @@ struct NISLANDS_SMC_SWSTATE
>
>  typedef struct NISLANDS_SMC_SWSTATE NISLANDS_SMC_SWSTATE;
>
> +struct NISLANDS_SMC_SWSTATE_SINGLE {
> +    uint8_t                             flags;
> +    uint8_t                             levelCount;
> +    uint8_t                             padding2;
> +    uint8_t                             padding3;
> +    NISLANDS_SMC_HW_PERFORMANCE_LEVEL   level;
> +};
> +
>  #define NISLANDS_SMC_VOLTAGEMASK_VDDC  0
>  #define NISLANDS_SMC_VOLTAGEMASK_MVDD  1
>  #define NISLANDS_SMC_VOLTAGEMASK_VDDCI 2
> @@ -160,19 +168,19 @@ typedef struct NISLANDS_SMC_VOLTAGEMASKTABLE 
> NISLANDS_SMC_VOLTAGEMASKTABLE;
>
>  struct NISLANDS_SMC_STATETABLE
>  {
> -    uint8_t                             thermalProtectType;
> -    uint8_t                             systemFlags;
> -    uint8_t                             maxVDDCIndexInPPTable;
> -    uint8_t                             extraFlags;
> -    uint8_t highSMIO[NISLANDS_MAX_NO_VREG_STEPS];
> -    uint32_t lowSMIO[NISLANDS_MAX_NO_VREG_STEPS];
> -    NISLANDS_SMC_VOLTAGEMASKTABLE       voltageMaskTable;
> -    PP_NIslands_DPM2Parameters          dpm2Params;
> -    NISLANDS_SMC_SWSTATE                initialState;
> -    NISLANDS_SMC_SWSTATE                ACPIState;
> -    NISLANDS_SMC_SWSTATE                ULVState;
> -    NISLANDS_SMC_SWSTATE                driverState;
> -    NISLANDS_SMC_HW_PERFORMANCE_LEVEL 
> dpmLevels[NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1];
> +    uint8_t                             thermalProtectType;
> +    uint8_t                             systemFlags;
> +    uint8_t                             maxVDDCIndexInPPTable;
> +    uint8_t                             extraFlags;
> +    uint8_t highSMIO[NISLANDS_MAX_NO_VREG_STEPS];
> +    uint32_t lowSMIO[NISLANDS_MAX_NO_VREG_STEPS];
> +    NISLANDS_SMC_VOLTAGEMASKTABLE       voltageMaskTable;
> +    PP_NIslands_DPM2Parameters          dpm2Params;
> +    struct NISLANDS_SMC_SWSTATE_SINGLE  initialState;
> +    struct NISLANDS_SMC_SWSTATE_SINGLE  ACPIState;
> +    struct NISLANDS_SMC_SWSTATE_SINGLE  ULVState;
> +    NISLANDS_SMC_SWSTATE                driverState;
> +    NISLANDS_SMC_HW_PERFORMANCE_LEVEL 
> dpmLevels[NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
>  };
>
>  typedef struct NISLANDS_SMC_STATETABLE NISLANDS_SMC_STATETABLE;
>



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