Attachment 128166 Details for Bug 98821 – possible fix

[patch] possible fix

0001-drm-amdgpu-enable-VCE-clockgating-in-Polaris-10-11.patch (text/plain), 1.75 KB, created by Alex Deucher on 2016-11-23 15:50:23 UTC

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Creator: Alex Deucher

Created: 2016-11-23 15:50:23 UTC

Size: 1.75 KB

patch

obsolete

>From 987f357c2b147f62facbbd459353138a2b3c2ef8 Mon Sep 17 00:00:00 2001
>From: Maruthi Srinivas Bayyavarapu <Maruthi.Bayyavarapu@amd.com>
>Date: Thu, 17 Nov 2016 17:29:50 +0530
>Subject: [PATCH] drm/amdgpu: enable VCE clockgating in Polaris-10/11
>
>VCE clocks are set to be disabled, when not in use.
>
>Signed-off-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com>
>---
> drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 2 +-
> drivers/gpu/drm/amd/amdgpu/vi.c       | 6 ++++--
> 2 files changed, 5 insertions(+), 3 deletions(-)
>
>diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
>index 39f03f1..6b3293a 100644
>--- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
>+++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
>@@ -134,7 +134,7 @@ static void vce_v3_0_set_vce_sw_clock_gating(struct amdgpu_device *adev,
> 	   accessible but the firmware will throttle the clocks on the
> 	   fly as necessary.
> 	*/
>-	if (gated) {
>+	if (!gated) {
> 		data = RREG32(mmVCE_CLOCK_GATING_B);
> 		data |= 0x1ff;
> 		data &= ~0xef0000;
>diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
>index d09c25a..aab1c46 100644
>--- a/drivers/gpu/drm/amd/amdgpu/vi.c
>+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
>@@ -938,12 +938,14 @@ static int vi_common_early_init(void *handle)
> 		adev->external_rev_id = adev->rev_id + 0x14;
> 		break;
> 	case CHIP_POLARIS11:
>-		adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG;
>+		adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG |
>+			AMD_CG_SUPPORT_VCE_MGCG;
> 		adev->pg_flags = 0;
> 		adev->external_rev_id = adev->rev_id + 0x5A;
> 		break;
> 	case CHIP_POLARIS10:
>-		adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG;
>+		adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG |
>+			AMD_CG_SUPPORT_VCE_MGCG;
> 		adev->pg_flags = 0;
> 		adev->external_rev_id = adev->rev_id + 0x50;
> 		break;
>-- 
>1.9.1
>

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Attachments on bug 98821: 128151 | 128152 | 128153 | 128166 | 128168

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