[PATCH] drm/amdgpu/gfx8: set doorbell range for polaris as well

[PATCH] drm/amdgpu/gfx8: set doorbell range for polaris as well

[Alex Deucher]

Add missing chips to the doorbell range setup.  These
were missed in the KIQ code.  Fixes power and performance
regressions with KIQ.  Spotted by Rex.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 4497514..d3633cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4933,8 +4933,11 @@ static int gfx_v8_0_kiq_init_register(struct amdgpu_ring *ring)
 	/* enable the doorbell if requested */
 	if (ring->use_doorbell) {
 		if ((adev->asic_type == CHIP_CARRIZO) ||
-				(adev->asic_type == CHIP_FIJI) ||
-				(adev->asic_type == CHIP_STONEY)) {
+		    (adev->asic_type == CHIP_FIJI) ||
+		    (adev->asic_type == CHIP_STONEY) ||
+		    (adev->asic_type == CHIP_POLARIS10) ||
+		    (adev->asic_type == CHIP_POLARIS11) ||
+		    (adev->asic_type == CHIP_POLARIS12)) {
 			WREG32(mmCP_MEC_DOORBELL_RANGE_LOWER,
 						AMDGPU_DOORBELL_KIQ << 2);
 			WREG32(mmCP_MEC_DOORBELL_RANGE_UPPER,
-- 
2.5.5

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Re: [PATCH] drm/amdgpu/gfx8: set doorbell range for polaris as well

[Zhu, Rex]

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Patch was Tested-by and Reviewed-by:  Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>


Best Regards

Rex


________________________________
From: amd-gfx <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> on behalf of Alex Deucher <alexdeucher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Sent: Tuesday, April 11, 2017 12:51:01 AM
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Deucher, Alexander
Subject: [PATCH] drm/amdgpu/gfx8: set doorbell range for polaris as well

Add missing chips to the doorbell range setup.  These
were missed in the KIQ code.  Fixes power and performance
regressions with KIQ.  Spotted by Rex.

Signed-off-by: Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 4497514..d3633cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4933,8 +4933,11 @@ static int gfx_v8_0_kiq_init_register(struct amdgpu_ring *ring)
         /* enable the doorbell if requested */
         if (ring->use_doorbell) {
                 if ((adev->asic_type == CHIP_CARRIZO) ||
-                               (adev->asic_type == CHIP_FIJI) ||
-                               (adev->asic_type == CHIP_STONEY)) {
+                   (adev->asic_type == CHIP_FIJI) ||
+                   (adev->asic_type == CHIP_STONEY) ||
+                   (adev->asic_type == CHIP_POLARIS10) ||
+                   (adev->asic_type == CHIP_POLARIS11) ||
+                   (adev->asic_type == CHIP_POLARIS12)) {
                         WREG32(mmCP_MEC_DOORBELL_RANGE_LOWER,
                                                 AMDGPU_DOORBELL_KIQ << 2);
                         WREG32(mmCP_MEC_DOORBELL_RANGE_UPPER,
--
2.5.5

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