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From 0aaf3d10e376981da3d92f037c6e36a5c4e8d348 Mon Sep 17 00:00:00 2001
From: Sanjay R Mehta <sanju.mehta@amd.com>
Date: Tue, 6 Dec 2016 19:40:46 +0530
Subject: [PATCH 06/10] cache rb config values
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Needed when for SR-IOV and when PG is enabled.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 20ac07f..479047e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3671,6 +3671,21 @@ static void gfx_v8_0_setup_rb(struct amdgpu_device *adev)
num_rb_pipes);
}
+ /* cache the values for userspace */
+ for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
+ for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
+ gfx_v8_0_select_se_sh(adev, i, j, 0xffffffff);
+ adev->gfx.config.rb_config[i][j].rb_backend_disable =
+ RREG32(mmCC_RB_BACKEND_DISABLE);
+ adev->gfx.config.rb_config[i][j].user_rb_backend_disable =
+ RREG32(mmGC_USER_RB_BACKEND_DISABLE);
+ adev->gfx.config.rb_config[i][j].raster_config =
+ RREG32(mmPA_SC_RASTER_CONFIG);
+ adev->gfx.config.rb_config[i][j].raster_config_1 =
+ RREG32(mmPA_SC_RASTER_CONFIG_1);
+ }
+ }
+ gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff);
mutex_unlock(&adev->grbm_idx_mutex);
}
--
2.7.4
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