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authorDave Airlie <airlied@redhat.com>2022-08-19 02:45:21 +0300
committerDave Airlie <airlied@redhat.com>2022-08-19 02:45:22 +0300
commitb1fb6b87ed55ced458b322ea10cf0d0ab151e01b (patch)
treec24c2b7a5b3e4cc309b056dadfd7c509240a8e2f /drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
parent2ae6ab9d82cdd0f7381639ee31e31de45519df4c (diff)
parent085292c3d78015412b752ee1ca4c7725fd2bf2fc (diff)
downloadlinux-b1fb6b87ed55ced458b322ea10cf0d0ab151e01b.tar.xz
Merge tag 'amd-drm-fixes-6.0-2022-08-17' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.0-2022-08-17: amdgpu: - Revert some DML stack changes - Rounding fixes in KFD allocations - atombios vram info table parsing fix - DCN 3.1.4 fixes - Clockgating fixes for various new IPs - SMU 13.0.4 fixes - DCN 3.1.4 FP fixes - TMDS fixes for YCbCr420 4k modes - DCN 3.2.x fixes - USB 4 fixes - SMU 13.0 fixes - SMU driver unload memory leak fixes - Display orientation fix - Regression fix for generic fbdev conversion - SDMA 6.x fixes - SR-IOV fixes - IH 6.x fixes - Use after free fix in bo list handling - Revert pipe1 support - XGMI hive reset fix amdkfd: - Fix potential crach in kfd_create_indirect_link_prop() Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220818025206.6463-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 6fd71cb10e54..158d87e6805d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -53,6 +53,7 @@
#define GFX11_MEC_HPD_SIZE 2048
#define RLCG_UCODE_LOADING_START_ADDRESS 0x00002000L
+#define RLC_PG_DELAY_3_DEFAULT_GC_11_0_1 0x1388
#define regCGTT_WD_CLK_CTRL 0x5086
#define regCGTT_WD_CLK_CTRL_BASE_IDX 1
@@ -5279,6 +5280,38 @@ static const struct amdgpu_rlc_funcs gfx_v11_0_rlc_funcs = {
.update_spm_vmid = gfx_v11_0_update_spm_vmid,
};
+static void gfx_v11_cntl_power_gating(struct amdgpu_device *adev, bool enable)
+{
+ u32 data = RREG32_SOC15(GC, 0, regRLC_PG_CNTL);
+
+ if (enable && (adev->pg_flags & AMD_PG_SUPPORT_GFX_PG))
+ data |= RLC_PG_CNTL__GFX_POWER_GATING_ENABLE_MASK;
+ else
+ data &= ~RLC_PG_CNTL__GFX_POWER_GATING_ENABLE_MASK;
+
+ WREG32_SOC15(GC, 0, regRLC_PG_CNTL, data);
+
+ // Program RLC_PG_DELAY3 for CGPG hysteresis
+ if (enable && (adev->pg_flags & AMD_PG_SUPPORT_GFX_PG)) {
+ switch (adev->ip_versions[GC_HWIP][0]) {
+ case IP_VERSION(11, 0, 1):
+ WREG32_SOC15(GC, 0, regRLC_PG_DELAY_3, RLC_PG_DELAY_3_DEFAULT_GC_11_0_1);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+static void gfx_v11_cntl_pg(struct amdgpu_device *adev, bool enable)
+{
+ amdgpu_gfx_rlc_enter_safe_mode(adev);
+
+ gfx_v11_cntl_power_gating(adev, enable);
+
+ amdgpu_gfx_rlc_exit_safe_mode(adev);
+}
+
static int gfx_v11_0_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
@@ -5293,6 +5326,11 @@ static int gfx_v11_0_set_powergating_state(void *handle,
case IP_VERSION(11, 0, 2):
amdgpu_gfx_off_ctrl(adev, enable);
break;
+ case IP_VERSION(11, 0, 1):
+ gfx_v11_cntl_pg(adev, enable);
+ /* TODO: Enable this when GFXOFF is ready */
+ // amdgpu_gfx_off_ctrl(adev, enable);
+ break;
default:
break;
}
@@ -5310,6 +5348,7 @@ static int gfx_v11_0_set_clockgating_state(void *handle,
switch (adev->ip_versions[GC_HWIP][0]) {
case IP_VERSION(11, 0, 0):
+ case IP_VERSION(11, 0, 1):
case IP_VERSION(11, 0, 2):
gfx_v11_0_update_gfx_clock_gating(adev,
state == AMD_CG_STATE_GATE);