GUI_IDLE interrupts controlled by CP_INT_CNTL_RING0
are only applicable to me0 pipe0.
For ASICs that have gfx pipe removed, don't toggle
those bits.
Signed-off-by: Hawking Zhang <hawking.zh...@amd.com>
Reviewed-by: Feifei Xu <feifei...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index ef430f285472..5f4805e4d04a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2633,7 +2633,14 @@ static void gfx_v9_0_wait_for_rlc_serdes(struct
amdgpu_device *adev)
static void gfx_v9_0_enable_gui_idle_interrupt(struct amdgpu_device *adev,
bool enable)
{
- u32 tmp = RREG32_SOC15(GC, 0, mmCP_INT_CNTL_RING0);
+ u32 tmp;
+
+ /* don't toggle interrupts that are only applicable
+ * to me0 pipe0 on AISCs that have me0 removed */
+ if (!adev->gfx.num_gfx_rings)
+ return;
+
+ tmp= RREG32_SOC15(GC, 0, mmCP_INT_CNTL_RING0);
tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_BUSY_INT_ENABLE,
enable ? 1 : 0);
tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_EMPTY_INT_ENABLE,
enable ? 1 : 0);
--
2.17.1
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