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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/amd/amdgpu/athub_v1_0.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/athub_v1_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/athub_v1_0.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/athub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/athub_v1_0.c
new file mode 100644
index 000000000..3ea557864
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/athub_v1_0.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "amdgpu.h"
+#include "athub_v1_0.h"
+
+#include "athub/athub_1_0_offset.h"
+#include "athub/athub_1_0_sh_mask.h"
+#include "vega10_enum.h"
+
+#include "soc15_common.h"
+
+static void athub_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t def, data;
+
+ def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
+
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
+ data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
+ else
+ data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
+
+ if (def != data)
+ WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data);
+}
+
+static void athub_update_medium_grain_light_sleep(struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t def, data;
+
+ def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
+
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&
+ (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
+ data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
+ else
+ data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
+
+ if(def != data)
+ WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data);
+}
+
+int athub_v1_0_set_clockgating(struct amdgpu_device *adev,
+ enum amd_clockgating_state state)
+{
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
+ switch (adev->asic_type) {
+ case CHIP_VEGA10:
+ case CHIP_VEGA12:
+ case CHIP_VEGA20:
+ case CHIP_RAVEN:
+ case CHIP_RENOIR:
+ athub_update_medium_grain_clock_gating(adev,
+ state == AMD_CG_STATE_GATE);
+ athub_update_medium_grain_light_sleep(adev,
+ state == AMD_CG_STATE_GATE);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+void athub_v1_0_get_clockgating(struct amdgpu_device *adev, u32 *flags)
+{
+ int data;
+
+ if (amdgpu_sriov_vf(adev))
+ *flags = 0;
+
+ /* AMD_CG_SUPPORT_ATHUB_MGCG */
+ data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);
+ if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)
+ *flags |= AMD_CG_SUPPORT_ATHUB_MGCG;
+
+ /* AMD_CG_SUPPORT_ATHUB_LS */
+ if (data & ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK)
+ *flags |= AMD_CG_SUPPORT_ATHUB_LS;
+}