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authorLinus Torvalds <torvalds@linux-foundation.org>2018-12-25 11:48:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-25 11:48:26 -0800
commit4971f090aa7f6ce5daa094ce4334f6618f93a7eb (patch)
tree45d75782b7dedbec76a3ab82d2769f7707668071 /drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
parentMerge tag 'platform-drivers-x86-v4.21-1' of git://git.infradead.org/linux-platform-drivers-x86 (diff)
parentMerge tag 'vmwgfx-next-2018-12-13' of git://people.freedesktop.org/~thomash/linux into drm-next (diff)
downloadlinux-dev-4971f090aa7f6ce5daa094ce4334f6618f93a7eb.tar.xz
linux-dev-4971f090aa7f6ce5daa094ce4334f6618f93a7eb.zip
Merge tag 'drm-next-2018-12-14' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "Core: - shared fencing staging removal - drop transactional atomic helpers and move helpers to new location - DP/MST atomic cleanup - Leasing cleanups and drop EXPORT_SYMBOL - Convert drivers to atomic helpers and generic fbdev. - removed deprecated obj_ref/unref in favour of get/put - Improve dumb callback documentation - MODESET_LOCK_BEGIN/END helpers panels: - CDTech panels, Banana Pi Panel, DLC1010GIG, - Olimex LCD-O-LinuXino, Samsung S6D16D0, Truly NT35597 WQXGA, - Himax HX8357D, simulated RTSM AEMv8. - GPD Win2 panel - AUO G101EVN010 vgem: - render node support ttm: - move global init out of drivers - fix LRU handling for ghost objects - Support for simultaneous submissions to multiple engines scheduler: - timeout/fault handling changes to help GPU recovery - helpers for hw with preemption support i915: - Scaler/Watermark fixes - DP MST + powerwell fixes - PSR fixes - Break long get/put shmemfs pages - Icelake fixes - Icelake DSI video mode enablement - Engine workaround improvements amdgpu: - freesync support - GPU reset enabled on CI, VI, SOC15 dGPUs - ABM support in DC - KFD support for vega12/polaris12 - SDMA paging queue on vega - More amdkfd code sharing - DCC scanout on GFX9 - DC kerneldoc - Updated SMU firmware for GFX8 chips - XGMI PSP + hive reset support - GPU reset - DC trace support - Powerplay updates for newer Polaris - Cursor plane update fast path - kfd dma-buf support virtio-gpu: - add EDID support vmwgfx: - pageflip with damage support nouveau: - Initial Turing TU104/TU106 modesetting support msm: - a2xx gpu support for apq8060 and imx5 - a2xx gpummu support - mdp4 display support for apq8060 - DPU fixes and cleanups - enhanced profiling support - debug object naming interface - get_iova/page pinning decoupling tegra: - Tegra194 host1x, VIC and display support enabled - Audio over HDMI for Tegra186 and Tegra194 exynos: - DMA/IOMMU refactoring - plane alpha + blend mode support - Color format fixes for mixer driver rcar-du: - R8A7744 and R8A77470 support - R8A77965 LVDS support imx: - fbdev emulation fix - multi-tiled scalling fixes - SPDX identifiers rockchip - dw_hdmi support - dw-mipi-dsi + dual dsi support - mailbox read size fix qxl: - fix cursor pinning vc4: - YUV support (scaling + cursor) v3d: - enable TFU (Texture Formatting Unit) mali-dp: - add support for linear tiled formats sun4i: - Display Engine 3 support - H6 DE3 mixer 0 support - H6 display engine support - dw-hdmi support - H6 HDMI phy support - implicit fence waiting - BGRX8888 support meson: - Overlay plane support - implicit fence waiting - HDMI 1.4 4k modes bridge: - i2c fixes for sii902x" * tag 'drm-next-2018-12-14' of git://anongit.freedesktop.org/drm/drm: (1403 commits) drm/amd/display: Add fast path for cursor plane updates drm/amdgpu: Enable GPU recovery by default for CI drm/amd/display: Fix duplicating scaling/underscan connector state drm/amd/display: Fix unintialized max_bpc state values Revert "drm/amd/display: Set RMX_ASPECT as default" drm/amdgpu: Fix stub function name drm/msm/dpu: Fix clock issue after bind failure drm/msm/dpu: Clean up dpu_media_info.h static inline functions drm/msm/dpu: Further cleanups for static inline functions drm/msm/dpu: Cleanup the debugfs functions drm/msm/dpu: Remove dpu_irq and unused functions drm/msm: Make irq_postinstall optional drm/msm/dpu: Cleanup callers of dpu_hw_blk_init drm/msm/dpu: Remove unused functions drm/msm/dpu: Remove dpu_crtc_is_enabled() drm/msm/dpu: Remove dpu_crtc_get_mixer_height drm/msm/dpu: Remove dpu_dbg drm/msm: dpu: Remove crtc_lock drm/msm: dpu: Remove vblank_requested flag from dpu_crtc drm/msm: dpu: Separate crtc assignment from vblank enable ...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h243
1 files changed, 243 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
new file mode 100644
index 000000000000..be620b29f4aa
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
@@ -0,0 +1,243 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/*
+ * GPU doorbell structures, functions & helpers
+ */
+struct amdgpu_doorbell {
+ /* doorbell mmio */
+ resource_size_t base;
+ resource_size_t size;
+ u32 __iomem *ptr;
+ u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */
+};
+
+/* Reserved doorbells for amdgpu (including multimedia).
+ * KFD can use all the rest in the 2M doorbell bar.
+ * For asic before vega10, doorbell is 32-bit, so the
+ * index/offset is in dword. For vega10 and after, doorbell
+ * can be 64-bit, so the index defined is in qword.
+ */
+struct amdgpu_doorbell_index {
+ uint32_t kiq;
+ uint32_t mec_ring0;
+ uint32_t mec_ring1;
+ uint32_t mec_ring2;
+ uint32_t mec_ring3;
+ uint32_t mec_ring4;
+ uint32_t mec_ring5;
+ uint32_t mec_ring6;
+ uint32_t mec_ring7;
+ uint32_t userqueue_start;
+ uint32_t userqueue_end;
+ uint32_t gfx_ring0;
+ uint32_t sdma_engine0;
+ uint32_t sdma_engine1;
+ uint32_t sdma_engine2;
+ uint32_t sdma_engine3;
+ uint32_t sdma_engine4;
+ uint32_t sdma_engine5;
+ uint32_t sdma_engine6;
+ uint32_t sdma_engine7;
+ uint32_t ih;
+ union {
+ struct {
+ uint32_t vcn_ring0_1;
+ uint32_t vcn_ring2_3;
+ uint32_t vcn_ring4_5;
+ uint32_t vcn_ring6_7;
+ } vcn;
+ struct {
+ uint32_t uvd_ring0_1;
+ uint32_t uvd_ring2_3;
+ uint32_t uvd_ring4_5;
+ uint32_t uvd_ring6_7;
+ uint32_t vce_ring0_1;
+ uint32_t vce_ring2_3;
+ uint32_t vce_ring4_5;
+ uint32_t vce_ring6_7;
+ } uvd_vce;
+ };
+ uint32_t max_assignment;
+};
+
+typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
+{
+ AMDGPU_DOORBELL_KIQ = 0x000,
+ AMDGPU_DOORBELL_HIQ = 0x001,
+ AMDGPU_DOORBELL_DIQ = 0x002,
+ AMDGPU_DOORBELL_MEC_RING0 = 0x010,
+ AMDGPU_DOORBELL_MEC_RING1 = 0x011,
+ AMDGPU_DOORBELL_MEC_RING2 = 0x012,
+ AMDGPU_DOORBELL_MEC_RING3 = 0x013,
+ AMDGPU_DOORBELL_MEC_RING4 = 0x014,
+ AMDGPU_DOORBELL_MEC_RING5 = 0x015,
+ AMDGPU_DOORBELL_MEC_RING6 = 0x016,
+ AMDGPU_DOORBELL_MEC_RING7 = 0x017,
+ AMDGPU_DOORBELL_GFX_RING0 = 0x020,
+ AMDGPU_DOORBELL_sDMA_ENGINE0 = 0x1E0,
+ AMDGPU_DOORBELL_sDMA_ENGINE1 = 0x1E1,
+ AMDGPU_DOORBELL_IH = 0x1E8,
+ AMDGPU_DOORBELL_MAX_ASSIGNMENT = 0x3FF,
+ AMDGPU_DOORBELL_INVALID = 0xFFFF
+} AMDGPU_DOORBELL_ASSIGNMENT;
+
+typedef enum _AMDGPU_VEGA20_DOORBELL_ASSIGNMENT
+{
+ /* Compute + GFX: 0~255 */
+ AMDGPU_VEGA20_DOORBELL_KIQ = 0x000,
+ AMDGPU_VEGA20_DOORBELL_HIQ = 0x001,
+ AMDGPU_VEGA20_DOORBELL_DIQ = 0x002,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING0 = 0x003,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING1 = 0x004,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING2 = 0x005,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING3 = 0x006,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING4 = 0x007,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING5 = 0x008,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING6 = 0x009,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING7 = 0x00A,
+ AMDGPU_VEGA20_DOORBELL_USERQUEUE_START = 0x00B,
+ AMDGPU_VEGA20_DOORBELL_USERQUEUE_END = 0x08A,
+ AMDGPU_VEGA20_DOORBELL_GFX_RING0 = 0x08B,
+ /* SDMA:256~335*/
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE0 = 0x100,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE1 = 0x10A,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE2 = 0x114,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE3 = 0x11E,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE4 = 0x128,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE5 = 0x132,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE6 = 0x13C,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE7 = 0x146,
+ /* IH: 376~391 */
+ AMDGPU_VEGA20_DOORBELL_IH = 0x178,
+ /* MMSCH: 392~407
+ * overlap the doorbell assignment with VCN as they are mutually exclusive
+ * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD
+ */
+ AMDGPU_VEGA20_DOORBELL64_VCN0_1 = 0x188, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */
+ AMDGPU_VEGA20_DOORBELL64_VCN2_3 = 0x189,
+ AMDGPU_VEGA20_DOORBELL64_VCN4_5 = 0x18A,
+ AMDGPU_VEGA20_DOORBELL64_VCN6_7 = 0x18B,
+
+ AMDGPU_VEGA20_DOORBELL64_UVD_RING0_1 = 0x188,
+ AMDGPU_VEGA20_DOORBELL64_UVD_RING2_3 = 0x189,
+ AMDGPU_VEGA20_DOORBELL64_UVD_RING4_5 = 0x18A,
+ AMDGPU_VEGA20_DOORBELL64_UVD_RING6_7 = 0x18B,
+
+ AMDGPU_VEGA20_DOORBELL64_VCE_RING0_1 = 0x18C,
+ AMDGPU_VEGA20_DOORBELL64_VCE_RING2_3 = 0x18D,
+ AMDGPU_VEGA20_DOORBELL64_VCE_RING4_5 = 0x18E,
+ AMDGPU_VEGA20_DOORBELL64_VCE_RING6_7 = 0x18F,
+ AMDGPU_VEGA20_DOORBELL_MAX_ASSIGNMENT = 0x18F,
+ AMDGPU_VEGA20_DOORBELL_INVALID = 0xFFFF
+} AMDGPU_VEGA20_DOORBELL_ASSIGNMENT;
+
+/*
+ * 64bit doorbell, offset are in QWORD, occupy 2KB doorbell space
+ */
+typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT
+{
+ /*
+ * All compute related doorbells: kiq, hiq, diq, traditional compute queue, user queue, should locate in
+ * a continues range so that programming CP_MEC_DOORBELL_RANGE_LOWER/UPPER can cover this range.
+ * Compute related doorbells are allocated from 0x00 to 0x8a
+ */
+
+
+ /* kernel scheduling */
+ AMDGPU_DOORBELL64_KIQ = 0x00,
+
+ /* HSA interface queue and debug queue */
+ AMDGPU_DOORBELL64_HIQ = 0x01,
+ AMDGPU_DOORBELL64_DIQ = 0x02,
+
+ /* Compute engines */
+ AMDGPU_DOORBELL64_MEC_RING0 = 0x03,
+ AMDGPU_DOORBELL64_MEC_RING1 = 0x04,
+ AMDGPU_DOORBELL64_MEC_RING2 = 0x05,
+ AMDGPU_DOORBELL64_MEC_RING3 = 0x06,
+ AMDGPU_DOORBELL64_MEC_RING4 = 0x07,
+ AMDGPU_DOORBELL64_MEC_RING5 = 0x08,
+ AMDGPU_DOORBELL64_MEC_RING6 = 0x09,
+ AMDGPU_DOORBELL64_MEC_RING7 = 0x0a,
+
+ /* User queue doorbell range (128 doorbells) */
+ AMDGPU_DOORBELL64_USERQUEUE_START = 0x0b,
+ AMDGPU_DOORBELL64_USERQUEUE_END = 0x8a,
+
+ /* Graphics engine */
+ AMDGPU_DOORBELL64_GFX_RING0 = 0x8b,
+
+ /*
+ * Other graphics doorbells can be allocated here: from 0x8c to 0xdf
+ * Graphics voltage island aperture 1
+ * default non-graphics QWORD index is 0xe0 - 0xFF inclusive
+ */
+
+ /* For vega10 sriov, the sdma doorbell must be fixed as follow
+ * to keep the same setting with host driver, or it will
+ * happen conflicts
+ */
+ AMDGPU_DOORBELL64_sDMA_ENGINE0 = 0xF0,
+ AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE0 = 0xF1,
+ AMDGPU_DOORBELL64_sDMA_ENGINE1 = 0xF2,
+ AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE1 = 0xF3,
+
+ /* Interrupt handler */
+ AMDGPU_DOORBELL64_IH = 0xF4, /* For legacy interrupt ring buffer */
+ AMDGPU_DOORBELL64_IH_RING1 = 0xF5, /* For page migration request log */
+ AMDGPU_DOORBELL64_IH_RING2 = 0xF6, /* For page migration translation/invalidation log */
+
+ /* VCN engine use 32 bits doorbell */
+ AMDGPU_DOORBELL64_VCN0_1 = 0xF8, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */
+ AMDGPU_DOORBELL64_VCN2_3 = 0xF9,
+ AMDGPU_DOORBELL64_VCN4_5 = 0xFA,
+ AMDGPU_DOORBELL64_VCN6_7 = 0xFB,
+
+ /* overlap the doorbell assignment with VCN as they are mutually exclusive
+ * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD
+ */
+ AMDGPU_DOORBELL64_UVD_RING0_1 = 0xF8,
+ AMDGPU_DOORBELL64_UVD_RING2_3 = 0xF9,
+ AMDGPU_DOORBELL64_UVD_RING4_5 = 0xFA,
+ AMDGPU_DOORBELL64_UVD_RING6_7 = 0xFB,
+
+ AMDGPU_DOORBELL64_VCE_RING0_1 = 0xFC,
+ AMDGPU_DOORBELL64_VCE_RING2_3 = 0xFD,
+ AMDGPU_DOORBELL64_VCE_RING4_5 = 0xFE,
+ AMDGPU_DOORBELL64_VCE_RING6_7 = 0xFF,
+
+ AMDGPU_DOORBELL64_MAX_ASSIGNMENT = 0xFF,
+ AMDGPU_DOORBELL64_INVALID = 0xFFFF
+} AMDGPU_DOORBELL64_ASSIGNMENT;
+
+u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
+void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
+u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index);
+void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
+
+#define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
+#define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
+#define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))
+#define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v))
+