mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-02 15:18:19 +00:00
Code Issues Releases Wiki Activity

amdgpu/pm: Prevent force of DCEFCLK on NAVI10 and SIENNA_CICHLID

Browse source 
Writing to dcefclk causes the gpu to become unresponsive, and requires a reboot.
Patch ignores a .force_clk_levels(SMU_DCEFCLK) call and issues an
info message.

Signed-off-by: Darren Powell <darren.powell@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Darren Powell 2021-04-07 00:34:35 -04:00 committed by Alex Deucher
parent 20a5f5a98e
commit b117b3964f
2 changed files with 7 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
View file

@ -1443,7 +1443,6 @@ static int navi10_force_clk_levels(struct smu_context *smu,
case SMU_SOCCLK:
case SMU_MCLK:
case SMU_UCLK:
case SMU_DCEFCLK:
case SMU_FCLK:
/* There is only 2 levels for fine grained DPM */
if (navi10_is_support_fine_grained_dpm(smu, clk_type)) {
@ -1463,6 +1462,10 @@ static int navi10_force_clk_levels(struct smu_context *smu,
if (ret)
return size;
break;
case SMU_DCEFCLK:
dev_info(smu->adev->dev,"Setting DCEFCLK min/max dpm level is not supported!\n");
break;
default:
break;
}

4
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
View file

@ -1127,7 +1127,6 @@ static int sienna_cichlid_force_clk_levels(struct smu_context *smu,
case SMU_SOCCLK:
case SMU_MCLK:
case SMU_UCLK:
case SMU_DCEFCLK:
case SMU_FCLK:
/* There is only 2 levels for fine grained DPM */
if (sienna_cichlid_is_support_fine_grained_dpm(smu, clk_type)) {
@ -1147,6 +1146,9 @@ static int sienna_cichlid_force_clk_levels(struct smu_context *smu,
if (ret)
goto forec_level_out;
break;
case SMU_DCEFCLK:
dev_info(smu->adev->dev,"Setting DCEFCLK min/max dpm level is not supported!\n");
break;
default:
break;
}