From: Flora Cui <Flora.Cui@amd.com>
Date: Tue, 8 Dec 2015 03:23:29 +0000 (+0800)
Subject: drm/amdgpu/gfx8: update PA_SC_RASTER_CONFIG:PKR_MAP only
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=c27816a883575037ec67e7f92fbd214648a1c1cb;p=deliverable%2Flinux.git

drm/amdgpu/gfx8: update PA_SC_RASTER_CONFIG:PKR_MAP only

Use default value as a base.

Signed-off-by: Flora Cui <Flora.Cui@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 6816a1a60a97..b20369e4ea74 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -2630,7 +2630,7 @@ static void gfx_v8_0_setup_rb(struct amdgpu_device *adev,
 	mutex_lock(&adev->grbm_idx_mutex);
 	for (i = 0; i < se_num; i++) {
 		gfx_v8_0_select_se_sh(adev, i, 0xffffffff);
-		data = 0;
+		data = RREG32(mmPA_SC_RASTER_CONFIG);
 		for (j = 0; j < sh_per_se; j++) {
 			switch (enabled_rbs & 3) {
 			case 0: