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Subject[PATCH 6/9] drm/msm/adreno: add a2xx
Date
derived from the a3xx driver and tested on the following hardware:
imx51-zii-rdu1 (a200 with 128kb gmem)
imx53-qsrb (a200)
msm8060-tenderloin (a220)

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
---
drivers/gpu/drm/msm/Makefile | 1 +
drivers/gpu/drm/msm/adreno/a2xx_gpu.c | 445 +++++++++++++++++++++
drivers/gpu/drm/msm/adreno/a2xx_gpu.h | 21 +
drivers/gpu/drm/msm/adreno/adreno_device.c | 33 ++
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 27 +-
drivers/gpu/drm/msm/adreno/adreno_gpu.h | 15 +
6 files changed, 534 insertions(+), 8 deletions(-)
create mode 100644 drivers/gpu/drm/msm/adreno/a2xx_gpu.c
create mode 100644 drivers/gpu/drm/msm/adreno/a2xx_gpu.h

diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index 19ab521d4c3a..0170766393ea 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -6,6 +6,7 @@ ccflags-$(CONFIG_DRM_MSM_DSI) += -Idrivers/gpu/drm/msm/dsi
msm-y := \
adreno/adreno_device.o \
adreno/adreno_gpu.o \
+ adreno/a2xx_gpu.o \
adreno/a3xx_gpu.o \
adreno/a4xx_gpu.o \
adreno/a5xx_gpu.o \
diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c
new file mode 100644
index 000000000000..65b2352408fa
--- /dev/null
+++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c
@@ -0,0 +1,445 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018 The Linux Foundation. All rights reserved. */
+
+#include "a2xx_gpu.h"
+
+extern bool hang_debug;
+
+static void a2xx_dump(struct msm_gpu *gpu);
+static bool a2xx_idle(struct msm_gpu *gpu);
+
+static bool a2xx_me_init(struct msm_gpu *gpu)
+{
+ struct msm_ringbuffer *ring = gpu->rb[0];
+
+ OUT_PKT3(ring, CP_ME_INIT, 18);
+
+ /* All fields present (bits 9:0) */
+ OUT_RING(ring, 0x000003ff);
+ /* Disable/Enable Real-Time Stream processing (present but ignored) */
+ OUT_RING(ring, 0x00000000);
+ /* Enable (2D <-> 3D) implicit synchronization (present but ignored) */
+ OUT_RING(ring, 0x00000000);
+
+ OUT_RING(ring, REG_A2XX_RB_SURFACE_INFO - 0x2000);
+ OUT_RING(ring, REG_A2XX_PA_SC_WINDOW_OFFSET - 0x2000);
+ OUT_RING(ring, REG_A2XX_VGT_MAX_VTX_INDX - 0x2000);
+ OUT_RING(ring, REG_A2XX_SQ_PROGRAM_CNTL - 0x2000);
+ OUT_RING(ring, REG_A2XX_RB_DEPTHCONTROL - 0x2000);
+ OUT_RING(ring, REG_A2XX_PA_SU_POINT_SIZE - 0x2000);
+ OUT_RING(ring, REG_A2XX_PA_SC_LINE_CNTL - 0x2000);
+ OUT_RING(ring, REG_A2XX_PA_SU_POLY_OFFSET_FRONT_SCALE - 0x2000);
+
+ /* Vertex and Pixel Shader Start Addresses in instructions
+ * (3 DWORDS per instruction) */
+ OUT_RING(ring, 0x80000180);
+ /* Maximum Contexts */
+ OUT_RING(ring, 0x00000001);
+ /* Write Confirm Interval and The CP will wait the
+ * wait_interval * 16 clocks between polling */
+ OUT_RING(ring, 0x00000000);
+ /* NQ and External Memory Swap */
+ OUT_RING(ring, 0x00000000);
+ /* protected mode error checking (0x1f2 is REG_AXXX_CP_INT_CNTL) */
+ OUT_RING(ring, 0x200001f2);
+ /* Disable header dumping and Header dump address */
+ OUT_RING(ring, 0x00000000);
+ /* Header dump size */
+ OUT_RING(ring, 0x00000000);
+
+ /* enable protected mode */
+ OUT_PKT3(ring, CP_SET_PROTECTED_MODE, 1);
+ OUT_RING(ring, 1);
+
+ gpu->funcs->flush(gpu, ring);
+ return a2xx_idle(gpu);
+}
+
+static int a2xx_hw_init(struct msm_gpu *gpu)
+{
+ struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+ uint32_t *ptr, len;
+ int i, ret;
+
+ DBG("%s", gpu->name);
+
+ gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE1, 0xfffffffe);
+ gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE2, 0xffffffff);
+
+ /* XXX kgsl uses 0x00000001 after first reset on a22x */
+ gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 0xffffffff);
+ msleep(30);
+ gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 0x00000000);
+
+ if (adreno_is_a225(adreno_gpu))
+ gpu_write(gpu, REG_A2XX_SQ_FLOW_CONTROL, 0x18000000);
+
+ /* XXX kgsl uses 0x0000ffff for a20x */
+ gpu_write(gpu, REG_A2XX_RBBM_CNTL, 0x00004442);
+
+ gpu_write(gpu, REG_A2XX_MH_MMU_CONFIG, 0);
+ gpu_write(gpu, REG_A2XX_MH_MMU_MPU_BASE, 0);
+ gpu_write(gpu, REG_A2XX_MH_MMU_MPU_END, 0xfffff000);
+ gpu_write(gpu, REG_A2XX_MH_ARBITER_CONFIG,
+ A2XX_MH_ARBITER_CONFIG_SAME_PAGE_LIMIT(16) |
+ A2XX_MH_ARBITER_CONFIG_L1_ARB_ENABLE |
+ A2XX_MH_ARBITER_CONFIG_L1_ARB_HOLD_ENABLE |
+ A2XX_MH_ARBITER_CONFIG_PAGE_SIZE(1) |
+ A2XX_MH_ARBITER_CONFIG_TC_REORDER_ENABLE |
+ A2XX_MH_ARBITER_CONFIG_TC_ARB_HOLD_ENABLE |
+ A2XX_MH_ARBITER_CONFIG_IN_FLIGHT_LIMIT_ENABLE |
+ A2XX_MH_ARBITER_CONFIG_IN_FLIGHT_LIMIT(8) |
+ A2XX_MH_ARBITER_CONFIG_CP_CLNT_ENABLE |
+ A2XX_MH_ARBITER_CONFIG_VGT_CLNT_ENABLE |
+ A2XX_MH_ARBITER_CONFIG_TC_CLNT_ENABLE |
+ A2XX_MH_ARBITER_CONFIG_RB_CLNT_ENABLE |
+ A2XX_MH_ARBITER_CONFIG_PA_CLNT_ENABLE);
+ if (!adreno_is_a20x(adreno_gpu))
+ gpu_write(gpu, REG_A2XX_MH_CLNT_INTF_CTRL_CONFIG1, 0x00032f07);
+
+ gpu_write(gpu, REG_A2XX_SQ_VS_PROGRAM, 0x00000000);
+ gpu_write(gpu, REG_A2XX_SQ_PS_PROGRAM, 0x00000000);
+
+ gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE1, 0); /* 0x200 for msm8960? */
+ gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE2, 0); /* 0x80/0x1a0 for a22x? */
+
+ /* XXX gsl doesn't set this */
+ gpu_write(gpu, REG_A2XX_RBBM_DEBUG, 0x00080000);
+
+ gpu_write(gpu, REG_A2XX_RBBM_INT_CNTL, 0);
+ gpu_write(gpu, REG_AXXX_CP_INT_CNTL, 0x80000000); /* RB INT */
+ gpu_write(gpu, REG_A2XX_SQ_INT_CNTL, 0);
+
+ for (i = 3; i <= 5; i++)
+ if ((SZ_16K << i) == adreno_gpu->gmem)
+ break;
+ gpu_write(gpu, REG_A2XX_RB_EDRAM_INFO, i);
+
+ ret = adreno_hw_init(gpu);
+ if (ret)
+ return ret;
+
+ /* NOTE: PM4/micro-engine firmware registers look to be the same
+ * for a2xx and a3xx.. we could possibly push that part down to
+ * adreno_gpu base class. Or push both PM4 and PFP but
+ * parameterize the pfp ucode addr/data registers..
+ */
+
+ /* Load PM4: */
+ ptr = (uint32_t *)(adreno_gpu->fw[ADRENO_FW_PM4]->data);
+ len = adreno_gpu->fw[ADRENO_FW_PM4]->size / 4;
+ DBG("loading PM4 ucode version: %x", ptr[1]);
+
+ gpu_write(gpu, REG_AXXX_CP_DEBUG, 0x02000000);
+ gpu_write(gpu, REG_AXXX_CP_ME_RAM_WADDR, 0);
+ for (i = 1; i < len; i++)
+ gpu_write(gpu, REG_AXXX_CP_ME_RAM_DATA, ptr[i]);
+
+ /* Load PFP: */
+ ptr = (uint32_t *)(adreno_gpu->fw[ADRENO_FW_PFP]->data);
+ len = adreno_gpu->fw[ADRENO_FW_PFP]->size / 4;
+ DBG("loading PFP ucode version: %x", ptr[5]);
+
+ gpu_write(gpu, REG_A2XX_CP_PFP_UCODE_ADDR, 0);
+ for (i = 1; i < len; i++)
+ gpu_write(gpu, REG_A2XX_CP_PFP_UCODE_DATA, ptr[i]);
+
+ gpu_write(gpu, REG_AXXX_CP_QUEUE_THRESHOLDS, 0x000C0804);
+
+ /* clear ME_HALT to start micro engine */
+ gpu_write(gpu, REG_AXXX_CP_ME_CNTL, 0);
+
+ return a2xx_me_init(gpu) ? 0 : -EINVAL;
+}
+
+static void a2xx_recover(struct msm_gpu *gpu)
+{
+ int i;
+
+ adreno_dump_info(gpu);
+
+ for (i = 0; i < 8; i++) {
+ printk("CP_SCRATCH_REG%d: %u\n", i,
+ gpu_read(gpu, REG_AXXX_CP_SCRATCH_REG0 + i));
+ }
+
+ /* dump registers before resetting gpu, if enabled: */
+ if (hang_debug)
+ a2xx_dump(gpu);
+
+ gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 1);
+ gpu_read(gpu, REG_A2XX_RBBM_SOFT_RESET);
+ gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 0);
+ adreno_recover(gpu);
+}
+
+static void a2xx_destroy(struct msm_gpu *gpu)
+{
+ struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+ struct a2xx_gpu *a2xx_gpu = to_a2xx_gpu(adreno_gpu);
+
+ DBG("%s", gpu->name);
+
+ adreno_gpu_cleanup(adreno_gpu);
+
+ kfree(a2xx_gpu);
+}
+
+static bool a2xx_idle(struct msm_gpu *gpu)
+{
+ /* wait for ringbuffer to drain: */
+ if (!adreno_idle(gpu, gpu->rb[0]))
+ return false;
+
+ /* then wait for GPU to finish: */
+ if (spin_until(!(gpu_read(gpu, REG_A2XX_RBBM_STATUS) &
+ A2XX_RBBM_STATUS_GUI_ACTIVE))) {
+ DRM_ERROR("%s: timeout waiting for GPU to idle!\n", gpu->name);
+
+ /* TODO maybe we need to reset GPU here to recover from hang? */
+ return false;
+ }
+
+ return true;
+}
+
+static irqreturn_t a2xx_irq(struct msm_gpu *gpu)
+{
+
+ uint32_t mstatus, status;
+
+ mstatus = gpu_read(gpu, REG_A2XX_MASTER_INT_SIGNAL);
+
+ if (mstatus & A2XX_MASTER_INT_SIGNAL_MH_INT_STAT) {
+ status = gpu_read(gpu, REG_A2XX_MH_INTERRUPT_STATUS);
+
+ dev_warn(gpu->dev->dev, "MH_INT: %08X\n", status);
+ dev_warn(gpu->dev->dev, "MMU_PAGE_FAULT: %08X\n",
+ gpu_read(gpu, REG_A2XX_MH_MMU_PAGE_FAULT));
+ gpu_write(gpu, REG_A2XX_MH_INTERRUPT_CLEAR, status);
+ }
+
+ if (mstatus & A2XX_MASTER_INT_SIGNAL_CP_INT_STAT) {
+ status = gpu_read(gpu, REG_AXXX_CP_INT_STATUS);
+
+ /* only RB_INT is expected */
+ if (status & ~AXXX_CP_INT_CNTL_RB_INT_MASK)
+ dev_warn(gpu->dev->dev, "CP_INT: %08X\n", status);
+
+ gpu_write(gpu, REG_AXXX_CP_INT_ACK, status);
+ }
+
+ if (mstatus & A2XX_MASTER_INT_SIGNAL_RBBM_INT_STAT) {
+ status = gpu_read(gpu, REG_A2XX_RBBM_INT_STATUS);
+
+ dev_warn(gpu->dev->dev, "RBBM_INT: %08X\n", status);
+
+ gpu_write(gpu, REG_A2XX_RBBM_INT_ACK, status);
+ }
+
+ msm_gpu_retire(gpu);
+
+ return IRQ_HANDLED;
+}
+
+static const unsigned int a200_registers[] = {
+ 0x0000, 0x0002, 0x0004, 0x000B, 0x003B, 0x003D, 0x0040, 0x0044,
+ 0x0046, 0x0047, 0x01C0, 0x01C1, 0x01C3, 0x01C8, 0x01D5, 0x01D9,
+ 0x01DC, 0x01DD, 0x01EA, 0x01EA, 0x01EE, 0x01F3, 0x01F6, 0x01F7,
+ 0x01FC, 0x01FF, 0x0391, 0x0392, 0x039B, 0x039E, 0x03B2, 0x03B5,
+ 0x03B7, 0x03B7, 0x03F8, 0x03FB, 0x0440, 0x0440, 0x0443, 0x0444,
+ 0x044B, 0x044B, 0x044D, 0x044F, 0x0452, 0x0452, 0x0454, 0x045B,
+ 0x047F, 0x047F, 0x0578, 0x0587, 0x05C9, 0x05C9, 0x05D0, 0x05D0,
+ 0x0601, 0x0604, 0x0606, 0x0609, 0x060B, 0x060E, 0x0613, 0x0614,
+ 0x0A29, 0x0A2B, 0x0A2F, 0x0A31, 0x0A40, 0x0A43, 0x0A45, 0x0A45,
+ 0x0A4E, 0x0A4F, 0x0C2C, 0x0C2C, 0x0C30, 0x0C30, 0x0C38, 0x0C3C,
+ 0x0C40, 0x0C40, 0x0C44, 0x0C44, 0x0C80, 0x0C86, 0x0C88, 0x0C94,
+ 0x0C99, 0x0C9A, 0x0CA4, 0x0CA5, 0x0D00, 0x0D03, 0x0D06, 0x0D06,
+ 0x0D08, 0x0D0B, 0x0D34, 0x0D35, 0x0DAE, 0x0DC1, 0x0DC8, 0x0DD4,
+ 0x0DD8, 0x0DD9, 0x0E00, 0x0E00, 0x0E02, 0x0E04, 0x0E17, 0x0E1E,
+ 0x0EC0, 0x0EC9, 0x0ECB, 0x0ECC, 0x0ED0, 0x0ED0, 0x0ED4, 0x0ED7,
+ 0x0EE0, 0x0EE2, 0x0F01, 0x0F02, 0x0F0C, 0x0F0C, 0x0F0E, 0x0F12,
+ 0x0F26, 0x0F2A, 0x0F2C, 0x0F2C, 0x2000, 0x2002, 0x2006, 0x200F,
+ 0x2080, 0x2082, 0x2100, 0x2109, 0x210C, 0x2114, 0x2180, 0x2184,
+ 0x21F5, 0x21F7, 0x2200, 0x2208, 0x2280, 0x2283, 0x2293, 0x2294,
+ 0x2300, 0x2308, 0x2312, 0x2312, 0x2316, 0x231D, 0x2324, 0x2326,
+ 0x2380, 0x2383, 0x2400, 0x2402, 0x2406, 0x240F, 0x2480, 0x2482,
+ 0x2500, 0x2509, 0x250C, 0x2514, 0x2580, 0x2584, 0x25F5, 0x25F7,
+ 0x2600, 0x2608, 0x2680, 0x2683, 0x2693, 0x2694, 0x2700, 0x2708,
+ 0x2712, 0x2712, 0x2716, 0x271D, 0x2724, 0x2726, 0x2780, 0x2783,
+ 0x4000, 0x4003, 0x4800, 0x4805, 0x4900, 0x4900, 0x4908, 0x4908,
+ ~0 /* sentinel */
+};
+
+static const unsigned int a220_registers[] = {
+ 0x0000, 0x0002, 0x0004, 0x000B, 0x003B, 0x003D, 0x0040, 0x0044,
+ 0x0046, 0x0047, 0x01C0, 0x01C1, 0x01C3, 0x01C8, 0x01D5, 0x01D9,
+ 0x01DC, 0x01DD, 0x01EA, 0x01EA, 0x01EE, 0x01F3, 0x01F6, 0x01F7,
+ 0x01FC, 0x01FF, 0x0391, 0x0392, 0x039B, 0x039E, 0x03B2, 0x03B5,
+ 0x03B7, 0x03B7, 0x03F8, 0x03FB, 0x0440, 0x0440, 0x0443, 0x0444,
+ 0x044B, 0x044B, 0x044D, 0x044F, 0x0452, 0x0452, 0x0454, 0x045B,
+ 0x047F, 0x047F, 0x0578, 0x0587, 0x05C9, 0x05C9, 0x05D0, 0x05D0,
+ 0x0601, 0x0604, 0x0606, 0x0609, 0x060B, 0x060E, 0x0613, 0x0614,
+ 0x0A29, 0x0A2B, 0x0A2F, 0x0A31, 0x0A40, 0x0A40, 0x0A42, 0x0A43,
+ 0x0A45, 0x0A45, 0x0A4E, 0x0A4F, 0x0C30, 0x0C30, 0x0C38, 0x0C39,
+ 0x0C3C, 0x0C3C, 0x0C80, 0x0C81, 0x0C88, 0x0C93, 0x0D00, 0x0D03,
+ 0x0D05, 0x0D06, 0x0D08, 0x0D0B, 0x0D34, 0x0D35, 0x0DAE, 0x0DC1,
+ 0x0DC8, 0x0DD4, 0x0DD8, 0x0DD9, 0x0E00, 0x0E00, 0x0E02, 0x0E04,
+ 0x0E17, 0x0E1E, 0x0EC0, 0x0EC9, 0x0ECB, 0x0ECC, 0x0ED0, 0x0ED0,
+ 0x0ED4, 0x0ED7, 0x0EE0, 0x0EE2, 0x0F01, 0x0F02, 0x2000, 0x2002,
+ 0x2006, 0x200F, 0x2080, 0x2082, 0x2100, 0x2102, 0x2104, 0x2109,
+ 0x210C, 0x2114, 0x2180, 0x2184, 0x21F5, 0x21F7, 0x2200, 0x2202,
+ 0x2204, 0x2204, 0x2208, 0x2208, 0x2280, 0x2282, 0x2294, 0x2294,
+ 0x2300, 0x2308, 0x2309, 0x230A, 0x2312, 0x2312, 0x2316, 0x2316,
+ 0x2318, 0x231D, 0x2324, 0x2326, 0x2380, 0x2383, 0x2400, 0x2402,
+ 0x2406, 0x240F, 0x2480, 0x2482, 0x2500, 0x2502, 0x2504, 0x2509,
+ 0x250C, 0x2514, 0x2580, 0x2584, 0x25F5, 0x25F7, 0x2600, 0x2602,
+ 0x2604, 0x2606, 0x2608, 0x2608, 0x2680, 0x2682, 0x2694, 0x2694,
+ 0x2700, 0x2708, 0x2712, 0x2712, 0x2716, 0x2716, 0x2718, 0x271D,
+ 0x2724, 0x2726, 0x2780, 0x2783, 0x4000, 0x4003, 0x4800, 0x4805,
+ 0x4900, 0x4900, 0x4908, 0x4908,
+ ~0 /* sentinel */
+};
+
+static const unsigned int a225_registers[] = {
+ 0x0000, 0x0002, 0x0004, 0x000B, 0x003B, 0x003D, 0x0040, 0x0044,
+ 0x0046, 0x0047, 0x013C, 0x013C, 0x0140, 0x014F, 0x01C0, 0x01C1,
+ 0x01C3, 0x01C8, 0x01D5, 0x01D9, 0x01DC, 0x01DD, 0x01EA, 0x01EA,
+ 0x01EE, 0x01F3, 0x01F6, 0x01F7, 0x01FC, 0x01FF, 0x0391, 0x0392,
+ 0x039B, 0x039E, 0x03B2, 0x03B5, 0x03B7, 0x03B7, 0x03F8, 0x03FB,
+ 0x0440, 0x0440, 0x0443, 0x0444, 0x044B, 0x044B, 0x044D, 0x044F,
+ 0x0452, 0x0452, 0x0454, 0x045B, 0x047F, 0x047F, 0x0578, 0x0587,
+ 0x05C9, 0x05C9, 0x05D0, 0x05D0, 0x0601, 0x0604, 0x0606, 0x0609,
+ 0x060B, 0x060E, 0x0613, 0x0614, 0x0A29, 0x0A2B, 0x0A2F, 0x0A31,
+ 0x0A40, 0x0A40, 0x0A42, 0x0A43, 0x0A45, 0x0A45, 0x0A4E, 0x0A4F,
+ 0x0C01, 0x0C1D, 0x0C30, 0x0C30, 0x0C38, 0x0C39, 0x0C3C, 0x0C3C,
+ 0x0C80, 0x0C81, 0x0C88, 0x0C93, 0x0D00, 0x0D03, 0x0D05, 0x0D06,
+ 0x0D08, 0x0D0B, 0x0D34, 0x0D35, 0x0DAE, 0x0DC1, 0x0DC8, 0x0DD4,
+ 0x0DD8, 0x0DD9, 0x0E00, 0x0E00, 0x0E02, 0x0E04, 0x0E17, 0x0E1E,
+ 0x0EC0, 0x0EC9, 0x0ECB, 0x0ECC, 0x0ED0, 0x0ED0, 0x0ED4, 0x0ED7,
+ 0x0EE0, 0x0EE2, 0x0F01, 0x0F02, 0x2000, 0x200F, 0x2080, 0x2082,
+ 0x2100, 0x2109, 0x210C, 0x2114, 0x2180, 0x2184, 0x21F5, 0x21F7,
+ 0x2200, 0x2202, 0x2204, 0x2206, 0x2208, 0x2210, 0x2220, 0x2222,
+ 0x2280, 0x2282, 0x2294, 0x2294, 0x2297, 0x2297, 0x2300, 0x230A,
+ 0x2312, 0x2312, 0x2315, 0x2316, 0x2318, 0x231D, 0x2324, 0x2326,
+ 0x2340, 0x2357, 0x2360, 0x2360, 0x2380, 0x2383, 0x2400, 0x240F,
+ 0x2480, 0x2482, 0x2500, 0x2509, 0x250C, 0x2514, 0x2580, 0x2584,
+ 0x25F5, 0x25F7, 0x2600, 0x2602, 0x2604, 0x2606, 0x2608, 0x2610,
+ 0x2620, 0x2622, 0x2680, 0x2682, 0x2694, 0x2694, 0x2697, 0x2697,
+ 0x2700, 0x270A, 0x2712, 0x2712, 0x2715, 0x2716, 0x2718, 0x271D,
+ 0x2724, 0x2726, 0x2740, 0x2757, 0x2760, 0x2760, 0x2780, 0x2783,
+ 0x4000, 0x4003, 0x4800, 0x4806, 0x4808, 0x4808, 0x4900, 0x4900,
+ 0x4908, 0x4908,
+ ~0 /* sentinel */
+};
+
+/* would be nice to not have to duplicate the _show() stuff with printk(): */
+static void a2xx_dump(struct msm_gpu *gpu)
+{
+ printk("status: %08x\n",
+ gpu_read(gpu, REG_A2XX_RBBM_STATUS));
+ adreno_dump(gpu);
+}
+
+static struct msm_gpu_state *a2xx_gpu_state_get(struct msm_gpu *gpu)
+{
+ struct msm_gpu_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
+
+ if (!state)
+ return ERR_PTR(-ENOMEM);
+
+ adreno_gpu_state_get(gpu, state);
+
+ state->rbbm_status = gpu_read(gpu, REG_A2XX_RBBM_STATUS);
+
+ return state;
+}
+
+/* Register offset defines for A2XX - copy of A3XX */
+static const unsigned int a2xx_register_offsets[REG_ADRENO_REGISTER_MAX] = {
+ REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE, REG_AXXX_CP_RB_BASE),
+ REG_ADRENO_SKIP(REG_ADRENO_CP_RB_BASE_HI),
+ REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR, REG_AXXX_CP_RB_RPTR_ADDR),
+ REG_ADRENO_SKIP(REG_ADRENO_CP_RB_RPTR_ADDR_HI),
+ REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR, REG_AXXX_CP_RB_RPTR),
+ REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_WPTR, REG_AXXX_CP_RB_WPTR),
+ REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_AXXX_CP_RB_CNTL),
+};
+
+static const struct adreno_gpu_funcs funcs = {
+ .base = {
+ .get_param = adreno_get_param,
+ .hw_init = a2xx_hw_init,
+ .pm_suspend = msm_gpu_pm_suspend,
+ .pm_resume = msm_gpu_pm_resume,
+ .recover = a2xx_recover,
+ .submit = adreno_submit,
+ .flush = adreno_flush,
+ .active_ring = adreno_active_ring,
+ .irq = a2xx_irq,
+ .destroy = a2xx_destroy,
+#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP)
+ .show = adreno_show,
+#endif
+ .gpu_state_get = a2xx_gpu_state_get,
+ .gpu_state_put = adreno_gpu_state_put,
+ },
+};
+
+static const struct msm_gpu_perfcntr perfcntrs[] = {
+/* TODO */
+};
+
+struct msm_gpu *a2xx_gpu_init(struct drm_device *dev)
+{
+ struct a2xx_gpu *a2xx_gpu = NULL;
+ struct adreno_gpu *adreno_gpu;
+ struct msm_gpu *gpu;
+ struct msm_drm_private *priv = dev->dev_private;
+ struct platform_device *pdev = priv->gpu_pdev;
+ int ret;
+
+ if (!pdev) {
+ dev_err(dev->dev, "no a2xx device\n");
+ ret = -ENXIO;
+ goto fail;
+ }
+
+ a2xx_gpu = kzalloc(sizeof(*a2xx_gpu), GFP_KERNEL);
+ if (!a2xx_gpu) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ adreno_gpu = &a2xx_gpu->base;
+ gpu = &adreno_gpu->base;
+
+ gpu->perfcntrs = perfcntrs;
+ gpu->num_perfcntrs = ARRAY_SIZE(perfcntrs);
+
+ if (adreno_is_a20x(adreno_gpu))
+ adreno_gpu->registers = a200_registers;
+ else if (adreno_is_a225(adreno_gpu))
+ adreno_gpu->registers = a225_registers;
+ else
+ adreno_gpu->registers = a220_registers;
+
+ adreno_gpu->reg_offsets = a2xx_register_offsets;
+
+ ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1);
+ if (ret)
+ goto fail;
+
+ if (!gpu->aspace) {
+ /* MMU is not implemented... */
+ dev_err(dev->dev, "No memory protection without MMU\n");
+ }
+
+ return gpu;
+
+fail:
+ if (a2xx_gpu)
+ a2xx_destroy(&a2xx_gpu->base.base);
+
+ return ERR_PTR(ret);
+}
diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.h b/drivers/gpu/drm/msm/adreno/a2xx_gpu.h
new file mode 100644
index 000000000000..02fba2cb8932
--- /dev/null
+++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.h
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018 The Linux Foundation. All rights reserved. */
+
+#ifndef __A2XX_GPU_H__
+#define __A2XX_GPU_H__
+
+#include "adreno_gpu.h"
+
+/* arrg, somehow fb.h is getting pulled in: */
+#undef ROP_COPY
+#undef ROP_XOR
+
+#include "a2xx.xml.h"
+
+struct a2xx_gpu {
+ struct adreno_gpu base;
+ bool pm_enabled;
+};
+#define to_a2xx_gpu(x) container_of(x, struct a2xx_gpu, base)
+
+#endif /* __A2XX_GPU_H__ */
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 86abdb2b3a9c..6e3f78d4da5d 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -27,6 +27,39 @@ module_param_named(hang_debug, hang_debug, bool, 0600);

static const struct adreno_info gpulist[] = {
{
+ .rev = ADRENO_REV(2, 0, 0, 0),
+ .revn = 200,
+ .name = "A200",
+ .fw = {
+ [ADRENO_FW_PM4] = "yamato_pm4.fw",
+ [ADRENO_FW_PFP] = "yamato_pfp.fw",
+ },
+ .gmem = SZ_256K,
+ .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+ .init = a2xx_gpu_init,
+ }, { /* a200 on i.mx51 has only 128kib gmem */
+ .rev = ADRENO_REV(2, 0, 0, 1),
+ .revn = 201,
+ .name = "A200",
+ .fw = {
+ [ADRENO_FW_PM4] = "yamato_pm4.fw",
+ [ADRENO_FW_PFP] = "yamato_pfp.fw",
+ },
+ .gmem = SZ_128K,
+ .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+ .init = a2xx_gpu_init,
+ }, {
+ .rev = ADRENO_REV(2, 2, 0, ANY_ID),
+ .revn = 220,
+ .name = "A220",
+ .fw = {
+ [ADRENO_FW_PM4] = "leia_pm4_470.fw",
+ [ADRENO_FW_PFP] = "leia_pfp_470.fw",
+ },
+ .gmem = SZ_512K,
+ .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+ .init = a2xx_gpu_init,
+ }, {
.rev = ADRENO_REV(3, 0, 5, ANY_ID),
.revn = 305,
.name = "A305",
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 93d70f4a2154..e09671324b05 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -319,16 +319,27 @@ void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
*/
OUT_PKT3(ring, CP_EVENT_WRITE, 1);
OUT_RING(ring, HLSQ_FLUSH);
-
- OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1);
- OUT_RING(ring, 0x00000000);
}

- /* BIT(31) of CACHE_FLUSH_TS triggers CACHE_FLUSH_TS IRQ from GPU */
- OUT_PKT3(ring, CP_EVENT_WRITE, 3);
- OUT_RING(ring, CACHE_FLUSH_TS | BIT(31));
- OUT_RING(ring, rbmemptr(ring, fence));
- OUT_RING(ring, submit->seqno);
+ /* wait for idle before cache flush/interrupt */
+ OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1);
+ OUT_RING(ring, 0x00000000);
+
+ if (!adreno_is_a2xx(adreno_gpu)) {
+ /* BIT(31) of CACHE_FLUSH_TS triggers CACHE_FLUSH_TS IRQ from GPU */
+ OUT_PKT3(ring, CP_EVENT_WRITE, 3);
+ OUT_RING(ring, CACHE_FLUSH_TS | BIT(31));
+ OUT_RING(ring, rbmemptr(ring, fence));
+ OUT_RING(ring, submit->seqno);
+ } else {
+ /* BIT(31) means something else on a2xx */
+ OUT_PKT3(ring, CP_EVENT_WRITE, 3);
+ OUT_RING(ring, CACHE_FLUSH_TS);
+ OUT_RING(ring, rbmemptr(ring, fence));
+ OUT_RING(ring, submit->seqno);
+ OUT_PKT3(ring, CP_INTERRUPT, 1);
+ OUT_RING(ring, 0x80000000);
+ }

#if 0
if (adreno_is_a3xx(adreno_gpu)) {
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index de6e6ee42fba..4adc97a91e1d 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -154,6 +154,20 @@ struct adreno_platform_config {
__ret; \
})

+static inline bool adreno_is_a2xx(struct adreno_gpu *gpu)
+{
+ return (gpu->revn < 300);
+}
+
+static inline bool adreno_is_a20x(struct adreno_gpu *gpu)
+{
+ return (gpu->revn < 210);
+}
+
+static inline bool adreno_is_a225(struct adreno_gpu *gpu)
+{
+ return gpu->revn == 225;
+}

static inline bool adreno_is_a3xx(struct adreno_gpu *gpu)
{
@@ -334,6 +348,7 @@ static inline void adreno_gpu_write(struct adreno_gpu *gpu,
gpu_write(&gpu->base, reg - 1, data);
}

+struct msm_gpu *a2xx_gpu_init(struct drm_device *dev);
struct msm_gpu *a3xx_gpu_init(struct drm_device *dev);
struct msm_gpu *a4xx_gpu_init(struct drm_device *dev);
struct msm_gpu *a5xx_gpu_init(struct drm_device *dev);
--
2.17.1
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