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drm/amdgpu: enable more GFX clockgating features for GC 11.0.0 

Support more GFX clockgating features(3D_CGCG, 3D_CGLS, MGCG,
FGCG and PERF_CLK).

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2022-04-11 14:39:59 +08:00 committed by Alex Deucher
parent 04491df502
commit 915b5ce774
4 changed files with 93 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

100
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
View File

@ -4883,6 +4883,44 @@ static void gfx_v11_0_unset_safe_mode(struct amdgpu_device *adev)
WREG32_SOC15(GC, 0, regRLC_SAFE_MODE, RLC_SAFE_MODE__CMD_MASK);
}
static void gfx_v11_0_update_perf_clk(struct amdgpu_device *adev,
bool enable)
{
uint32_t def, data;
if (!(adev->cg_flags & AMD_CG_SUPPORT_GFX_PERF_CLK))
return;
def = data = RREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE);
if (enable)
data &= ~RLC_CGTT_MGCG_OVERRIDE__PERFMON_CLOCK_STATE_MASK;
else
data |= RLC_CGTT_MGCG_OVERRIDE__PERFMON_CLOCK_STATE_MASK;
if (def != data)
WREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE, data);
}
static void gfx_v11_0_update_sram_fgcg(struct amdgpu_device *adev,
bool enable)
{
uint32_t def, data;
if (!(adev->cg_flags & AMD_CG_SUPPORT_GFX_FGCG))
return;
def = data = RREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE);
if (enable)
data &= ~RLC_CGTT_MGCG_OVERRIDE__GFXIP_FGCG_OVERRIDE_MASK;
else
data |= RLC_CGTT_MGCG_OVERRIDE__GFXIP_FGCG_OVERRIDE_MASK;
if (def != data)
WREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE, data);
}
static void gfx_v11_0_update_repeater_fgcg(struct amdgpu_device *adev,
bool enable)
{
@ -4902,19 +4940,40 @@ static void gfx_v11_0_update_repeater_fgcg(struct amdgpu_device *adev,
WREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE, data);
}
#if 0
static void gfx_v11_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
bool enable)
bool enable)
{
/* TODO: add power related feature later. */
}
uint32_t data, def;
static void gfx_v11_0_update_3d_clock_gating(struct amdgpu_device *adev,
bool enable)
{
/* TODO: add power related feature later. */
if (!(adev->cg_flags & (AMD_CG_SUPPORT_GFX_MGCG | AMD_CG_SUPPORT_GFX_MGLS)))
return;
/* It is disabled by HW by default */
if (enable) {
if (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG) {
/* 1 - RLC_CGTT_MGCG_OVERRIDE */
def = data = RREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE);
data &= ~(RLC_CGTT_MGCG_OVERRIDE__GRBM_CGTT_SCLK_OVERRIDE_MASK |
RLC_CGTT_MGCG_OVERRIDE__RLC_CGTT_SCLK_OVERRIDE_MASK |
RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK);
if (def != data)
WREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE, data);
}
} else {
if (adev->cg_flags & AMD_CG_SUPPORT_GFX_MGCG) {
def = data = RREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE);
data |= (RLC_CGTT_MGCG_OVERRIDE__RLC_CGTT_SCLK_OVERRIDE_MASK |
RLC_CGTT_MGCG_OVERRIDE__GRBM_CGTT_SCLK_OVERRIDE_MASK |
RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK);
if (def != data)
WREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE, data);
}
}
}
#endif
static void gfx_v11_0_update_coarse_grain_clock_gating(struct amdgpu_device *adev,
bool enable)
@ -5045,8 +5104,14 @@ static int gfx_v11_0_update_gfx_clock_gating(struct amdgpu_device *adev,
gfx_v11_0_update_coarse_grain_clock_gating(adev, enable);
gfx_v11_0_update_medium_grain_clock_gating(adev, enable);
gfx_v11_0_update_repeater_fgcg(adev, enable);
gfx_v11_0_update_sram_fgcg(adev, enable);
gfx_v11_0_update_perf_clk(adev, enable);
if (adev->cg_flags &
(AMD_CG_SUPPORT_GFX_MGCG |
AMD_CG_SUPPORT_GFX_CGLS |
@ -5139,16 +5204,23 @@ static void gfx_v11_0_get_clockgating_state(void *handle, u64 *flags)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int data;
/* AMD_CG_SUPPORT_GFX_FGCG */
data = RREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE);
if (!(data & RLC_CGTT_MGCG_OVERRIDE__GFXIP_FGCG_OVERRIDE_MASK))
*flags |= AMD_CG_SUPPORT_GFX_FGCG;
/* AMD_CG_SUPPORT_GFX_MGCG */
data = RREG32_SOC15(GC, 0, regRLC_CGTT_MGCG_OVERRIDE);
if (!(data & RLC_CGTT_MGCG_OVERRIDE__GFXIP_MGCG_OVERRIDE_MASK))
*flags |= AMD_CG_SUPPORT_GFX_MGCG;
/* AMD_CG_SUPPORT_REPEATER_FGCG */
if (!(data & RLC_CGTT_MGCG_OVERRIDE__GFXIP_REPEATER_FGCG_OVERRIDE_MASK))
*flags |= AMD_CG_SUPPORT_REPEATER_FGCG;
/* AMD_CG_SUPPORT_GFX_FGCG */
if (!(data & RLC_CGTT_MGCG_OVERRIDE__GFXIP_FGCG_OVERRIDE_MASK))
*flags |= AMD_CG_SUPPORT_GFX_FGCG;
/* AMD_CG_SUPPORT_GFX_PERF_CLK */
if (!(data & RLC_CGTT_MGCG_OVERRIDE__PERFMON_CLOCK_STATE_MASK))
*flags |= AMD_CG_SUPPORT_GFX_PERF_CLK;
/* AMD_CG_SUPPORT_GFX_CGCG */
data = RREG32_SOC15(GC, 0, regRLC_CGCG_CGLS_CTRL);
if (data & RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK)

5
drivers/gpu/drm/amd/amdgpu/soc21.c
View File

@ -526,7 +526,12 @@ static int soc21_common_early_init(void *handle)
case IP_VERSION(11, 0, 0):
adev->cg_flags = AMD_CG_SUPPORT_GFX_CGCG |
AMD_CG_SUPPORT_GFX_CGLS |
AMD_CG_SUPPORT_GFX_3D_CGCG |
AMD_CG_SUPPORT_GFX_3D_CGLS |
AMD_CG_SUPPORT_GFX_MGCG |
AMD_CG_SUPPORT_REPEATER_FGCG |
AMD_CG_SUPPORT_GFX_FGCG |
AMD_CG_SUPPORT_GFX_PERF_CLK |
AMD_CG_SUPPORT_VCN_MGCG |
AMD_CG_SUPPORT_JPEG_MGCG;
adev->pg_flags = AMD_PG_SUPPORT_VCN |

1
drivers/gpu/drm/amd/include/amd_shared.h
View File

@ -149,6 +149,7 @@ enum amd_powergating_state {
#define AMD_CG_SUPPORT_JPEG_MGCG (1ULL << 30)
#define AMD_CG_SUPPORT_GFX_FGCG (1ULL << 31)
#define AMD_CG_SUPPORT_REPEATER_FGCG (1ULL << 32)
#define AMD_CG_SUPPORT_GFX_PERF_CLK (1ULL << 33)
/* PG flags */
#define AMD_PG_SUPPORT_GFX_PG (1 << 0)
#define AMD_PG_SUPPORT_GFX_SMG (1 << 1)

2
drivers/gpu/drm/amd/pm/amdgpu_pm.c
View File

@ -67,7 +67,7 @@ static const struct cg_flag_name clocks[] = {
{AMD_CG_SUPPORT_IH_CG, "Interrupt Handler Clock Gating"},
{AMD_CG_SUPPORT_JPEG_MGCG, "JPEG Medium Grain Clock Gating"},
{AMD_CG_SUPPORT_REPEATER_FGCG, "Repeater Fine Grain Clock Gating"},
{AMD_CG_SUPPORT_GFX_PERF_CLK, "Perfmon Clock Gating"},
{AMD_CG_SUPPORT_ATHUB_MGCG, "Address Translation Hub Medium Grain Clock Gating"},
{AMD_CG_SUPPORT_ATHUB_LS, "Address Translation Hub Light Sleep"},
{0, NULL},