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path: root/common/recipes-kernel/linux/linux-yocto-4.14.71/4314-drm-amdgpu-initialize-VEGAM-GMC-v2.patch
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From ad3389bbfcb27a6840db8b5812892621e6319d51 Mon Sep 17 00:00:00 2001
From: Leo Liu <leo.liu@amd.com>
Date: Wed, 11 Apr 2018 15:20:35 -0500
Subject: [PATCH 4314/5725] drm/amdgpu: initialize VEGAM GMC (v2)

v2: use proper register rather than hardcoding.

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index dbda097..c696bad 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -573,9 +573,10 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
 	/* set the gart size */
 	if (amdgpu_gart_size == -1) {
 		switch (adev->asic_type) {
-		case CHIP_POLARIS11: /* all engines support GPUVM */
 		case CHIP_POLARIS10: /* all engines support GPUVM */
+		case CHIP_POLARIS11: /* all engines support GPUVM */
 		case CHIP_POLARIS12: /* all engines support GPUVM */
+		case CHIP_VEGAM:     /* all engines support GPUVM */
 		default:
 			adev->gmc.gart_size = 256ULL << 20;
 			break;
@@ -1097,7 +1098,8 @@ static int gmc_v8_0_sw_init(void *handle)
 	} else {
 		u32 tmp;
 
-		if (adev->asic_type == CHIP_FIJI)
+		if ((adev->asic_type == CHIP_FIJI) ||
+		    (adev->asic_type == CHIP_VEGAM))
 			tmp = RREG32(mmMC_SEQ_MISC0_FIJI);
 		else
 			tmp = RREG32(mmMC_SEQ_MISC0);
-- 
2.7.4