iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amdgpu: add sdma instance check for gfx11 CGCG

Browse Source 
For some ASICs, like GFX IP v11.0.1, only have one SDMA instance,
so not need to configure SDMA1_RLC_CGCG_CTRL for this case.

Signed-off-by: Tim Huang <tim.huang@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tim Huang 2022-08-22 13:30:44 +08:00 committed by Alex Deucher
parent c10c55cf49
commit 345c0bc0a3
1 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
View File

@ -5182,9 +5182,12 @@ static void gfx_v11_0_update_coarse_grain_clock_gating(struct amdgpu_device *ade
data = REG_SET_FIELD(data, SDMA0_RLC_CGCG_CTRL, CGCG_INT_ENABLE, 1);
WREG32_SOC15(GC, 0, regSDMA0_RLC_CGCG_CTRL, data);
data = RREG32_SOC15(GC, 0, regSDMA1_RLC_CGCG_CTRL);
data = REG_SET_FIELD(data, SDMA1_RLC_CGCG_CTRL, CGCG_INT_ENABLE, 1);
WREG32_SOC15(GC, 0, regSDMA1_RLC_CGCG_CTRL, data);
/* Some ASICs only have one SDMA instance, not need to configure SDMA1 */
if (adev->sdma.num_instances > 1) {
data = RREG32_SOC15(GC, 0, regSDMA1_RLC_CGCG_CTRL);
data = REG_SET_FIELD(data, SDMA1_RLC_CGCG_CTRL, CGCG_INT_ENABLE, 1);
WREG32_SOC15(GC, 0, regSDMA1_RLC_CGCG_CTRL, data);
}
} else {
/* Program RLC_CGCG_CGLS_CTRL */
def = data = RREG32_SOC15(GC, 0, regRLC_CGCG_CGLS_CTRL);
@ -5213,9 +5216,12 @@ static void gfx_v11_0_update_coarse_grain_clock_gating(struct amdgpu_device *ade
data &= ~SDMA0_RLC_CGCG_CTRL__CGCG_INT_ENABLE_MASK;
WREG32_SOC15(GC, 0, regSDMA0_RLC_CGCG_CTRL, data);
data = RREG32_SOC15(GC, 0, regSDMA1_RLC_CGCG_CTRL);
data &= ~SDMA1_RLC_CGCG_CTRL__CGCG_INT_ENABLE_MASK;
WREG32_SOC15(GC, 0, regSDMA1_RLC_CGCG_CTRL, data);
/* Some ASICs only have one SDMA instance, not need to configure SDMA1 */
if (adev->sdma.num_instances > 1) {
data = RREG32_SOC15(GC, 0, regSDMA1_RLC_CGCG_CTRL);
data &= ~SDMA1_RLC_CGCG_CTRL__CGCG_INT_ENABLE_MASK;
WREG32_SOC15(GC, 0, regSDMA1_RLC_CGCG_CTRL, data);
}
}
}