From df6e2c4aeb263f9b9b904c1a087411ddf25c5e94 Mon Sep 17 00:00:00 2001 From: Junwei Zhang Date: Fri, 17 Feb 2017 11:05:49 +0800 Subject: [PATCH] drm/amdgpu: export gfx config double offchip LDS buffers (v3) MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit v2: move the config struct to drm_amdgpu_info_device v3: move the config feature to amdgpu_gca_config Signed-off-by: Junwei Zhang Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 3 +++ drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 2 ++ drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 6 ++++++ drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 6 ++++++ drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 14 ++++++++++++++ include/uapi/drm/amdgpu_drm.h | 2 ++ 6 files changed, 33 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 80ab8516db7c..ef72f52a6a20 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -845,6 +845,9 @@ struct amdgpu_gca_config { uint32_t macrotile_mode_array[16]; 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; }; struct amdgpu_cu_info { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 027692bf8457..096386515f2f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -528,6 +528,8 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file dev_info.vram_type = adev->mc.vram_type; dev_info.vram_bit_width = adev->mc.vram_width; dev_info.vce_harvest_config = adev->vce.harvest_config; + dev_info.gc_double_offchip_lds_buf = + adev->gfx.config.double_offchip_lds_buf; return copy_to_user(out, &dev_info, min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c index 2086e7e68de4..e78433799a6d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c @@ -1579,6 +1579,11 @@ static void gfx_v6_0_setup_spi(struct amdgpu_device *adev) mutex_unlock(&adev->grbm_idx_mutex); } +static void gfx_v6_0_config_init(struct amdgpu_device *adev) +{ + adev->gfx.config.double_offchip_lds_buf = 1; +} + static void gfx_v6_0_gpu_init(struct amdgpu_device *adev) { u32 gb_addr_config = 0; @@ -1736,6 +1741,7 @@ static void gfx_v6_0_gpu_init(struct amdgpu_device *adev) gfx_v6_0_setup_spi(adev); gfx_v6_0_get_cu_info(adev); + gfx_v6_0_config_init(adev); WREG32(mmCP_QUEUE_THRESHOLDS, ((0x16 << CP_QUEUE_THRESHOLDS__ROQ_IB1_START__SHIFT) | (0x2b << CP_QUEUE_THRESHOLDS__ROQ_IB2_START__SHIFT))); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 1f9354541f29..286d6763afa7 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -1876,6 +1876,11 @@ static void gmc_v7_0_init_compute_vmid(struct amdgpu_device *adev) mutex_unlock(&adev->srbm_mutex); } +static void gfx_v7_0_config_init(struct amdgpu_device *adev) +{ + adev->gfx.config.double_offchip_lds_buf = 1; +} + /** * gfx_v7_0_gpu_init - setup the 3D engine * @@ -1899,6 +1904,7 @@ static void gfx_v7_0_gpu_init(struct amdgpu_device *adev) gfx_v7_0_setup_rb(adev); gfx_v7_0_get_cu_info(adev); + gfx_v7_0_config_init(adev); /* set HW defaults for 3D engine */ WREG32(mmCP_MEQ_THRESHOLDS, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index c2a325185753..5682d945e588 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -3846,6 +3846,19 @@ static void gfx_v8_0_init_compute_vmid(struct amdgpu_device *adev) mutex_unlock(&adev->srbm_mutex); } +static void gfx_v8_0_config_init(struct amdgpu_device *adev) +{ + switch (adev->asic_type) { + default: + adev->gfx.config.double_offchip_lds_buf = 1; + break; + case CHIP_CARRIZO: + case CHIP_STONEY: + adev->gfx.config.double_offchip_lds_buf = 0; + break; + } +} + static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) { u32 tmp; @@ -3859,6 +3872,7 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) gfx_v8_0_tiling_mode_table_init(adev); gfx_v8_0_setup_rb(adev); gfx_v8_0_get_cu_info(adev); + gfx_v8_0_config_init(adev); /* XXX SH_MEM regs */ /* where to put LDS, scratch, GPUVM in FSA64 space */ diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index a30fe693175f..732c662fad79 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -726,6 +726,8 @@ struct drm_amdgpu_info_device { __u32 vram_bit_width; /* vce harvesting instance */ __u32 vce_harvest_config; + /* gfx double offchip LDS buffers */ + __u32 gc_double_offchip_lds_buf; }; struct drm_amdgpu_info_hw_ip { -- 2.45.2