From: Huang Rui Date: Thu, 5 Jan 2017 11:17:13 +0000 (+0800) Subject: drm/amdgpu: add parse clock gating state X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a8503b15ab770967c13bc61ae8a2216165c9760a;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/amdgpu: add parse clock gating state Suggested-by: Felix Kuehling Signed-off-by: Huang Rui Reviewed-by: Alex Deucher Cc: William Lewis Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index c63e5d3a902c..f251d0f4ea6a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -34,6 +34,28 @@ static int amdgpu_debugfs_pm_init(struct amdgpu_device *adev); +static const struct cg_flag_name clocks[] = { + {AMD_CG_SUPPORT_GFX_MGCG, "Graphics Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_GFX_MGLS, "Graphics Medium Grain memory Light Sleep"}, + {AMD_CG_SUPPORT_GFX_CGCG, "Graphics Coarse Grain Clock Gating"}, + {AMD_CG_SUPPORT_GFX_CGLS, "Graphics Coarse Grain memory Light Sleep"}, + {AMD_CG_SUPPORT_GFX_CGTS, "Graphics Coarse Grain Tree Shader Light Sleep"}, + {AMD_CG_SUPPORT_GFX_CGTS_LS, "Graphics Coarse Grain Tree Shader Light Sleep"}, + {AMD_CG_SUPPORT_GFX_CP_LS, "Graphics Command Processor Light Sleep"}, + {AMD_CG_SUPPORT_GFX_RLC_LS, "Graphics Run List Controller Light Sleep"}, + {AMD_CG_SUPPORT_MC_LS, "Memory Controller Light Sleep"}, + {AMD_CG_SUPPORT_MC_MGCG, "Memory Controller Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_SDMA_LS, "System Direct Memory Access Light Sleep"}, + {AMD_CG_SUPPORT_SDMA_MGCG, "System Direct Memory Access Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_BIF_LS, "Bus Interface Light Sleep"}, + {AMD_CG_SUPPORT_UVD_MGCG, "Unified Video Decoder Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_VCE_MGCG, "Video Compression Engine Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_HDP_LS, "Host Data Path Light Sleep"}, + {AMD_CG_SUPPORT_HDP_MGCG, "Host Data Path Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_ROM_MGCG, "Rom Medium Grain Clock Gating"}, + {0, NULL}, +}; + void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev) { if (adev->pp_enabled) @@ -1359,6 +1381,15 @@ static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *a return 0; } +static void amdgpu_parse_cg_state(struct seq_file *m, u32 flags) +{ + int i; + + for (i = 0; clocks[i].flag; i++) + seq_printf(m, "\t%s: %s\n", clocks[i].name, + (flags & clocks[i].flag) ? "On" : "Off"); +} + static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; @@ -1369,6 +1400,8 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data) amdgpu_get_clockgating_state(adev, &flags); seq_printf(m, "Clock Gating Flags Mask: 0x%x\n", flags); + amdgpu_parse_cg_state(m, flags); + seq_printf(m, "\n"); if (!adev->pm.dpm_enabled) { seq_printf(m, "dpm not enabled\n"); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h index 5fd7734f15ca..c19c4d138751 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h @@ -24,6 +24,12 @@ #ifndef __AMDGPU_PM_H__ #define __AMDGPU_PM_H__ +struct cg_flag_name +{ + u32 flag; + const char *name; +}; + int amdgpu_pm_sysfs_init(struct amdgpu_device *adev); void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev); void amdgpu_pm_print_power_states(struct amdgpu_device *adev);