drm/amdgpu: make GFX6 easier to read

Just fix the style and add a comment for reading easiness

Signed-off-by: Alexandre Demers <alexandre.f.demers@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index fedf8859559786674df05164fe275a84ab148ea4..9c6453b458b009fc36dbed8cdcf6e161c6f3965f 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -1735,10 +1735,14 @@ static void gfx_v6_0_constants_init(struct amdgpu_device *adev)
        gfx_v6_0_get_cu_info(adev);
        gfx_v6_0_config_init(adev);
 
-       WREG32(mmCP_QUEUE_THRESHOLDS, ((0x16 << CP_QUEUE_THRESHOLDS__ROQ_IB1_START__SHIFT) |
-                                      (0x2b << CP_QUEUE_THRESHOLDS__ROQ_IB2_START__SHIFT)));
-       WREG32(mmCP_MEQ_THRESHOLDS, (0x30 << CP_MEQ_THRESHOLDS__MEQ1_START__SHIFT) |
-                                   (0x60 << CP_MEQ_THRESHOLDS__MEQ2_START__SHIFT));
+       WREG32(mmCP_QUEUE_THRESHOLDS,
+               ((0x16 << CP_QUEUE_THRESHOLDS__ROQ_IB1_START__SHIFT) |
+               (0x2b << CP_QUEUE_THRESHOLDS__ROQ_IB2_START__SHIFT)));
+
+       /* set HW defaults for 3D engine */
+       WREG32(mmCP_MEQ_THRESHOLDS,
+               (0x30 << CP_MEQ_THRESHOLDS__MEQ1_START__SHIFT) |
+               (0x60 << CP_MEQ_THRESHOLDS__MEQ2_START__SHIFT));
 
        sx_debug_1 = RREG32(mmSX_DEBUG_1);
        WREG32(mmSX_DEBUG_1, sx_debug_1);