From: Marek Olšák <marek.ol...@amd.com>

UMDs need this for correct programming of harvested chips.

Signed-off-by: Marek Olšák <marek.ol...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c |  3 ++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h |  1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c |  2 ++
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c  | 11 +++++++++++
 include/uapi/drm/amdgpu_drm.h           |  2 ++
 5 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index f82d634cf3f9..b70b30378c20 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -75,23 +75,24 @@
  * - 3.25.0 - Add support for sensor query info (stable pstate sclk/mclk).
  * - 3.26.0 - GFX9: Process AMDGPU_IB_FLAG_TC_WB_NOT_INVALIDATE.
  * - 3.27.0 - Add new chunk to to AMDGPU_CS to enable BO_LIST creation.
  * - 3.28.0 - Add AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES
  * - 3.29.0 - Add AMDGPU_IB_FLAG_RESET_GDS_MAX_WAVE_ID
  * - 3.30.0 - Add AMDGPU_SCHED_OP_CONTEXT_PRIORITY_OVERRIDE.
  * - 3.31.0 - Add support for per-flip tiling attribute changes with DC
  * - 3.32.0 - Add syncobj timeline support to AMDGPU_CS.
  * - 3.33.0 - Fixes for GDS ENOMEM failures in AMDGPU_CS.
  * - 3.34.0 - Non-DC can flip correctly between buffers with different pitches
+ * - 3.35.0 - Add drm_amdgpu_info_device::tcc_disabled_mask
  */
 #define KMS_DRIVER_MAJOR       3
-#define KMS_DRIVER_MINOR       34
+#define KMS_DRIVER_MINOR       35
 #define KMS_DRIVER_PATCHLEVEL  0
 
 #define AMDGPU_MAX_TIMEOUT_PARAM_LENTH 256
 
 int amdgpu_vram_limit = 0;
 int amdgpu_vis_vram_limit = 0;
 int amdgpu_gart_size = -1; /* auto */
 int amdgpu_gtt_size = -1; /* auto */
 int amdgpu_moverate = -1; /* auto */
 int amdgpu_benchmarking = 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
index 59c5464c96be..88dccff41dff 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
@@ -158,20 +158,21 @@ struct amdgpu_gfx_config {
        struct amdgpu_rb_config 
rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
 
        /* gfx configure feature */
        uint32_t double_offchip_lds_buf;
        /* cached value of DB_DEBUG2 */
        uint32_t db_debug2;
        /* gfx10 specific config */
        uint32_t num_sc_per_sh;
        uint32_t num_packer_per_sc;
        uint32_t pa_sc_tile_steering_override;
+       uint64_t tcc_disabled_mask;
 };
 
 struct amdgpu_cu_info {
        uint32_t simd_per_cu;
        uint32_t max_waves_per_simd;
        uint32_t wave_front_size;
        uint32_t max_scratch_slots_per_cu;
        uint32_t lds_size;
 
        /* total active CU number */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 91f5aaf99861..7356efe7e2d3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -775,20 +775,22 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void 
*data, struct drm_file
                dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
                dev_info.num_tcc_blocks = 
adev->gfx.config.max_texture_channel_caches;
                dev_info.gs_vgt_table_depth = 
adev->gfx.config.gs_vgt_table_depth;
                dev_info.gs_prim_buffer_depth = 
adev->gfx.config.gs_prim_buffer_depth;
                dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
 
                if (adev->family >= AMDGPU_FAMILY_NV)
                        dev_info.pa_sc_tile_steering_override =
                                adev->gfx.config.pa_sc_tile_steering_override;
 
+               dev_info.tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
+
                return copy_to_user(out, &dev_info,
                                    min((size_t)size, sizeof(dev_info))) ? 
-EFAULT : 0;
        }
        case AMDGPU_INFO_VCE_CLOCK_TABLE: {
                unsigned i;
                struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
                struct amd_vce_state *vce_state;
 
                for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
                        vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index cfc0952f6175..ca01643fa0c8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -1684,31 +1684,42 @@ static void gfx_v10_0_tcp_harvest(struct amdgpu_device 
*adev)
                                tmp |= (gcrd_targets_disable_tcp & 
gcrd_targets_disable_mask);
                                WREG32_SOC15(GC, 0, mmGCRD_SA_TARGETS_DISABLE, 
tmp);
                        }
                }
 
                gfx_v10_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 
0xffffffff);
                mutex_unlock(&adev->grbm_idx_mutex);
        }
 }
 
+static void gfx_v10_0_get_tcc_info(struct amdgpu_device *adev)
+{
+       uint32_t tcc_disable = RREG32_SOC15(GC, 0, mmCGTS_TCC_DISABLE) |
+                              RREG32_SOC15(GC, 0, mmCGTS_USER_TCC_DISABLE);
+
+       adev->gfx.config.tcc_disabled_mask =
+               REG_GET_FIELD(tcc_disable, CGTS_TCC_DISABLE, TCC_DISABLE) |
+               (REG_GET_FIELD(tcc_disable, CGTS_TCC_DISABLE, HI_TCC_DISABLE) 
<< 16);
+}
+
 static void gfx_v10_0_constants_init(struct amdgpu_device *adev)
 {
        u32 tmp;
        int i;
 
        WREG32_FIELD15(GC, 0, GRBM_CNTL, READ_TIMEOUT, 0xff);
 
        gfx_v10_0_tiling_mode_table_init(adev);
 
        gfx_v10_0_setup_rb(adev);
        gfx_v10_0_get_cu_info(adev, &adev->gfx.cu_info);
+       gfx_v10_0_get_tcc_info(adev);
        adev->gfx.config.pa_sc_tile_steering_override =
                gfx_v10_0_init_pa_sc_tile_steering_override(adev);
 
        /* XXX SH_MEM regs */
        /* where to put LDS, scratch, GPUVM in FSA64 space */
        mutex_lock(&adev->srbm_mutex);
        for (i = 0; i < adev->vm_manager.id_mgr[AMDGPU_GFXHUB_0].num_ids; i++) {
                nv_grbm_select(adev, 0, 0, 0, i);
                /* CP and shaders */
                WREG32_SOC15(GC, 0, mmSH_MEM_CONFIG, DEFAULT_SH_MEM_CONFIG);
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index f3ad429173e3..a69e31929155 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -1001,20 +1001,22 @@ struct drm_amdgpu_info_device {
        __u32 max_gs_waves_per_vgt;
        __u32 _pad1;
        /* always on cu bitmap */
        __u32 cu_ao_bitmap[4][4];
        /** Starting high virtual address for UMDs. */
        __u64 high_va_offset;
        /** The maximum high virtual address */
        __u64 high_va_max;
        /* gfx10 pa_sc_tile_steering_override */
        __u32 pa_sc_tile_steering_override;
+       /* disabled TCCs */
+       __u64 tcc_disabled_mask;
 };
 
 struct drm_amdgpu_info_hw_ip {
        /** Version of h/w IP */
        __u32  hw_ip_version_major;
        __u32  hw_ip_version_minor;
        /** Capabilities */
        __u64  capabilities_flags;
        /** command buffer address start alignment*/
        __u32  ib_start_alignment;
-- 
2.17.1

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