[PATCH 11/27] drm/amdgpu: fix no interrupt issue for renoir emu

Alex Deucher alexdeucher at gmail.com
Fri Aug 9 15:52:46 UTC 2019


From: Aaron Liu <aaron.liu at amd.com>

In renoir's ih model, there's a change in mmIH_CHICKEN
register, that limits IH to use physical address directly.
Those chicken bits need to be programmed first.

Signed-off-by: Aaron Liu <aaron.liu at amd.com>
Reviewed-by: Huang Rui <ray.huang at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Acked-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
index a55525abb73c..f19268aea38d 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -245,7 +245,7 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev)
 		WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
 	}
 
-	if (adev->asic_type == CHIP_ARCTURUS &&
+	if ((adev->asic_type == CHIP_ARCTURUS || adev->asic_type == CHIP_RENOIR) &&
 		adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
 		if (adev->irq.ih.use_bus_addr) {
 			ih_chicken = RREG32_SOC15(OSSSYS, 0, mmIH_CHICKEN);
-- 
2.20.1



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