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From 632865701bdeaa26154bbd51bb351d73e7df5370 Mon Sep 17 00:00:00 2001
From: Kevin Wang <kevin1.wang@amd.com>
Date: Wed, 11 Dec 2019 17:30:26 +0800
Subject: [PATCH 4732/4736] drm/amdgpu: enable gfxoff feature for navi10 asic
enable gfxoff feature for some navi10 asics
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index ed630d37c32c..6b8f21574c7c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -605,11 +605,29 @@ static void gfx_v10_0_init_rlc_ext_microcode(struct amdgpu_device *adev)
le32_to_cpu(rlc_hdr->reg_list_format_direct_reg_list_length);
}
+static bool gfx_v10_0_navi10_gfxoff_should_enable(struct amdgpu_device *adev)
+{
+ bool ret = false;
+
+ switch (adev->pdev->revision) {
+ case 0xc2:
+ case 0xc3:
+ ret = true;
+ break;
+ default:
+ ret = false;
+ break;
+ }
+
+ return ret ;
+}
+
static void gfx_v10_0_check_gfxoff_flag(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
case CHIP_NAVI10:
- adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
+ if (!gfx_v10_0_navi10_gfxoff_should_enable(adev))
+ adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
break;
default:
break;
--
2.17.1
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