From: Darren Powell <darren.pow...@amd.com>
[ Upstream commit b117b3964f38a988cb79825950dbd607c02237f3 ]
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.pow...@amd.com>
Reviewed-by: Kenneth Feng <kenneth.f...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 5 ++++-
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 4 +++-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
index cd7efa923195..ab702e1cd9f0 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
@@ -1110,7 +1110,6 @@ 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)) {
@@ -1130,6 +1129,10 @@ 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;
}
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index d68d3dfee51d..aa231336d9f0 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -1025,7 +1025,6 @@ 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)) {
@@ -1045,6 +1044,9 @@ 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;
}
--
2.30.2
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