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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-16 03:39:07 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-16 03:39:07 +0300
commit54dbe75bbf1e189982516de179147208e90b5e45 (patch)
tree523ba6dd21d2f9257b73d95d289095b116da0f75 /drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c
parentdafa5f6577a9eecd2941add553d1672c30b02364 (diff)
parent557ce95051c8eff67af48612ab350d8408aa0541 (diff)
downloadlinux-54dbe75bbf1e189982516de179147208e90b5e45.tar.xz
Merge tag 'drm-next-2018-08-15' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "This is the main drm pull request for 4.19. Rob has some new hardware support for new qualcomm hw that I'll send along separately. This has the display part of it, the remaining pull is for the acceleration engine. This also contains a wound-wait/wait-die mutex rework, Peter has acked it for merging via my tree. Otherwise mostly the usual level of activity. Summary: core: - Wound-wait/wait-die mutex rework - Add writeback connector type - Add "content type" property for HDMI - Move GEM bo to drm_framebuffer - Initial gpu scheduler documentation - GPU scheduler fixes for dying processes - Console deferred fbcon takeover support - Displayport support for CEC tunneling over AUX panel: - otm8009a panel driver fixes - Innolux TV123WAM and G070Y2-L01 panel driver - Ilitek ILI9881c panel driver - Rocktech RK070ER9427 LCD - EDT ETM0700G0EDH6 and EDT ETM0700G0BDH6 - DLC DLC0700YZG-1 - BOE HV070WSA-100 - newhaven, nhd-4.3-480272ef-atxl LCD - DataImage SCF0700C48GGU18 - Sharp LQ035Q7DB03 - p079zca: Refactor to support multiple panels tinydrm: - ILI9341 display panel New driver: - vkms - virtual kms driver to testing. i915: - Icelake: Display enablement DSI support IRQ support Powerwell support - GPU reset fixes and improvements - Full ppgtt support refactoring - PSR fixes and improvements - Execlist improvments - GuC related fixes amdgpu: - Initial amdgpu documentation - JPEG engine support on VCN - CIK uses powerplay by default - Move to using core PCIE functionality for gens/lanes - DC/Powerplay interface rework - Stutter mode support for RV - Vega12 Powerplay updates - GFXOFF fixes - GPUVM fault debugging - Vega12 GFXOFF - DC improvements - DC i2c/aux changes - UVD 7.2 fixes - Powerplay fixes for Polaris12, CZ/ST - command submission bo_list fixes amdkfd: - Raven support - Power management fixes udl: - Cleanups and fixes nouveau: - misc fixes and cleanups. msm: - DPU1 support display controller in sdm845 - GPU coredump support. vmwgfx: - Atomic modesetting validation fixes - Support for multisample surfaces armada: - Atomic modesetting support completed. exynos: - IPPv2 fixes - Move g2d to component framework - Suspend/resume support cleanups - Driver cleanups imx: - CSI configuration improvements - Driver cleanups - Use atomic suspend/resume helpers - ipu-v3 V4L2 XRGB32/XBGR32 support pl111: - Add Nomadik LCDC variant v3d: - GPU scheduler jobs management sun4i: - R40 display engine support - TCON TOP driver mediatek: - MT2712 SoC support rockchip: - vop fixes omapdrm: - Workaround for DRA7 errata i932 - Fix mm_list locking mali-dp: - Writeback implementation PM improvements - Internal error reporting debugfs tilcdc: - Single fix for deferred probing hdlcd: - Teardown fixes tda998x: - Converted to a bridge driver. etnaviv: - Misc fixes" * tag 'drm-next-2018-08-15' of git://anongit.freedesktop.org/drm/drm: (1506 commits) drm/amdgpu/sriov: give 8s for recover vram under RUNTIME drm/scheduler: fix param documentation drm/i2c: tda998x: correct PLL divider calculation drm/i2c: tda998x: get rid of private fill_modes function drm/i2c: tda998x: move mode_valid() to bridge drm/i2c: tda998x: register bridge outside of component helper drm/i2c: tda998x: cleanup from previous changes drm/i2c: tda998x: allocate tda998x_priv inside tda998x_create() drm/i2c: tda998x: convert to bridge driver drm/scheduler: fix timeout worker setup for out of order job completions drm/amd/display: display connected to dp-1 does not light up drm/amd/display: update clk for various HDMI color depths drm/amd/display: program display clock on cache match drm/amd/display: Add NULL check for enabling dp ss drm/amd/display: add vbios table check for enabling dp ss drm/amd/display: Don't share clk source between DP and HDMI drm/amd/display: Fix DP HBR2 Eye Diagram Pattern on Carrizo drm/amd/display: Use calculated disp_clk_khz value for dce110 drm/amd/display: Implement custom degamma lut on dcn drm/amd/display: Destroy aux_engines only once ...
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c')
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c398
1 files changed, 398 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c
new file mode 100644
index 000000000000..db2798e862fc
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c
@@ -0,0 +1,398 @@
+/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include "dpu_hwio.h"
+#include "dpu_hw_catalog.h"
+#include "dpu_hw_top.h"
+#include "dpu_dbg.h"
+#include "dpu_kms.h"
+
+#define SSPP_SPARE 0x28
+#define UBWC_STATIC 0x144
+
+#define FLD_SPLIT_DISPLAY_CMD BIT(1)
+#define FLD_SMART_PANEL_FREE_RUN BIT(2)
+#define FLD_INTF_1_SW_TRG_MUX BIT(4)
+#define FLD_INTF_2_SW_TRG_MUX BIT(8)
+#define FLD_TE_LINE_INTER_WATERLEVEL_MASK 0xFFFF
+
+#define DANGER_STATUS 0x360
+#define SAFE_STATUS 0x364
+
+#define TE_LINE_INTERVAL 0x3F4
+
+#define TRAFFIC_SHAPER_EN BIT(31)
+#define TRAFFIC_SHAPER_RD_CLIENT(num) (0x030 + (num * 4))
+#define TRAFFIC_SHAPER_WR_CLIENT(num) (0x060 + (num * 4))
+#define TRAFFIC_SHAPER_FIXPOINT_FACTOR 4
+
+#define MDP_WD_TIMER_0_CTL 0x380
+#define MDP_WD_TIMER_0_CTL2 0x384
+#define MDP_WD_TIMER_0_LOAD_VALUE 0x388
+#define MDP_WD_TIMER_1_CTL 0x390
+#define MDP_WD_TIMER_1_CTL2 0x394
+#define MDP_WD_TIMER_1_LOAD_VALUE 0x398
+#define MDP_WD_TIMER_2_CTL 0x420
+#define MDP_WD_TIMER_2_CTL2 0x424
+#define MDP_WD_TIMER_2_LOAD_VALUE 0x428
+#define MDP_WD_TIMER_3_CTL 0x430
+#define MDP_WD_TIMER_3_CTL2 0x434
+#define MDP_WD_TIMER_3_LOAD_VALUE 0x438
+#define MDP_WD_TIMER_4_CTL 0x440
+#define MDP_WD_TIMER_4_CTL2 0x444
+#define MDP_WD_TIMER_4_LOAD_VALUE 0x448
+
+#define MDP_TICK_COUNT 16
+#define XO_CLK_RATE 19200
+#define MS_TICKS_IN_SEC 1000
+
+#define CALCULATE_WD_LOAD_VALUE(fps) \
+ ((uint32_t)((MS_TICKS_IN_SEC * XO_CLK_RATE)/(MDP_TICK_COUNT * fps)))
+
+#define DCE_SEL 0x450
+
+static void dpu_hw_setup_split_pipe(struct dpu_hw_mdp *mdp,
+ struct split_pipe_cfg *cfg)
+{
+ struct dpu_hw_blk_reg_map *c;
+ u32 upper_pipe = 0;
+ u32 lower_pipe = 0;
+
+ if (!mdp || !cfg)
+ return;
+
+ c = &mdp->hw;
+
+ if (cfg->en) {
+ if (cfg->mode == INTF_MODE_CMD) {
+ lower_pipe = FLD_SPLIT_DISPLAY_CMD;
+ /* interface controlling sw trigger */
+ if (cfg->intf == INTF_2)
+ lower_pipe |= FLD_INTF_1_SW_TRG_MUX;
+ else
+ lower_pipe |= FLD_INTF_2_SW_TRG_MUX;
+ upper_pipe = lower_pipe;
+ } else {
+ if (cfg->intf == INTF_2) {
+ lower_pipe = FLD_INTF_1_SW_TRG_MUX;
+ upper_pipe = FLD_INTF_2_SW_TRG_MUX;
+ } else {
+ lower_pipe = FLD_INTF_2_SW_TRG_MUX;
+ upper_pipe = FLD_INTF_1_SW_TRG_MUX;
+ }
+ }
+ }
+
+ DPU_REG_WRITE(c, SSPP_SPARE, cfg->split_flush_en ? 0x1 : 0x0);
+ DPU_REG_WRITE(c, SPLIT_DISPLAY_LOWER_PIPE_CTRL, lower_pipe);
+ DPU_REG_WRITE(c, SPLIT_DISPLAY_UPPER_PIPE_CTRL, upper_pipe);
+ DPU_REG_WRITE(c, SPLIT_DISPLAY_EN, cfg->en & 0x1);
+}
+
+static void dpu_hw_setup_cdm_output(struct dpu_hw_mdp *mdp,
+ struct cdm_output_cfg *cfg)
+{
+ struct dpu_hw_blk_reg_map *c;
+ u32 out_ctl = 0;
+
+ if (!mdp || !cfg)
+ return;
+
+ c = &mdp->hw;
+
+ if (cfg->intf_en)
+ out_ctl |= BIT(19);
+
+ DPU_REG_WRITE(c, MDP_OUT_CTL_0, out_ctl);
+}
+
+static bool dpu_hw_setup_clk_force_ctrl(struct dpu_hw_mdp *mdp,
+ enum dpu_clk_ctrl_type clk_ctrl, bool enable)
+{
+ struct dpu_hw_blk_reg_map *c;
+ u32 reg_off, bit_off;
+ u32 reg_val, new_val;
+ bool clk_forced_on;
+
+ if (!mdp)
+ return false;
+
+ c = &mdp->hw;
+
+ if (clk_ctrl <= DPU_CLK_CTRL_NONE || clk_ctrl >= DPU_CLK_CTRL_MAX)
+ return false;
+
+ reg_off = mdp->caps->clk_ctrls[clk_ctrl].reg_off;
+ bit_off = mdp->caps->clk_ctrls[clk_ctrl].bit_off;
+
+ reg_val = DPU_REG_READ(c, reg_off);
+
+ if (enable)
+ new_val = reg_val | BIT(bit_off);
+ else
+ new_val = reg_val & ~BIT(bit_off);
+
+ DPU_REG_WRITE(c, reg_off, new_val);
+
+ clk_forced_on = !(reg_val & BIT(bit_off));
+
+ return clk_forced_on;
+}
+
+
+static void dpu_hw_get_danger_status(struct dpu_hw_mdp *mdp,
+ struct dpu_danger_safe_status *status)
+{
+ struct dpu_hw_blk_reg_map *c;
+ u32 value;
+
+ if (!mdp || !status)
+ return;
+
+ c = &mdp->hw;
+
+ value = DPU_REG_READ(c, DANGER_STATUS);
+ status->mdp = (value >> 0) & 0x3;
+ status->sspp[SSPP_VIG0] = (value >> 4) & 0x3;
+ status->sspp[SSPP_VIG1] = (value >> 6) & 0x3;
+ status->sspp[SSPP_VIG2] = (value >> 8) & 0x3;
+ status->sspp[SSPP_VIG3] = (value >> 10) & 0x3;
+ status->sspp[SSPP_RGB0] = (value >> 12) & 0x3;
+ status->sspp[SSPP_RGB1] = (value >> 14) & 0x3;
+ status->sspp[SSPP_RGB2] = (value >> 16) & 0x3;
+ status->sspp[SSPP_RGB3] = (value >> 18) & 0x3;
+ status->sspp[SSPP_DMA0] = (value >> 20) & 0x3;
+ status->sspp[SSPP_DMA1] = (value >> 22) & 0x3;
+ status->sspp[SSPP_DMA2] = (value >> 28) & 0x3;
+ status->sspp[SSPP_DMA3] = (value >> 30) & 0x3;
+ status->sspp[SSPP_CURSOR0] = (value >> 24) & 0x3;
+ status->sspp[SSPP_CURSOR1] = (value >> 26) & 0x3;
+}
+
+static void dpu_hw_setup_vsync_source(struct dpu_hw_mdp *mdp,
+ struct dpu_vsync_source_cfg *cfg)
+{
+ struct dpu_hw_blk_reg_map *c;
+ u32 reg, wd_load_value, wd_ctl, wd_ctl2, i;
+ static const u32 pp_offset[PINGPONG_MAX] = {0xC, 0x8, 0x4, 0x13, 0x18};
+
+ if (!mdp || !cfg || (cfg->pp_count > ARRAY_SIZE(cfg->ppnumber)))
+ return;
+
+ c = &mdp->hw;
+ reg = DPU_REG_READ(c, MDP_VSYNC_SEL);
+ for (i = 0; i < cfg->pp_count; i++) {
+ int pp_idx = cfg->ppnumber[i] - PINGPONG_0;
+
+ if (pp_idx >= ARRAY_SIZE(pp_offset))
+ continue;
+
+ reg &= ~(0xf << pp_offset[pp_idx]);
+ reg |= (cfg->vsync_source & 0xf) << pp_offset[pp_idx];
+ }
+ DPU_REG_WRITE(c, MDP_VSYNC_SEL, reg);
+
+ if (cfg->vsync_source >= DPU_VSYNC_SOURCE_WD_TIMER_4 &&
+ cfg->vsync_source <= DPU_VSYNC_SOURCE_WD_TIMER_0) {
+ switch (cfg->vsync_source) {
+ case DPU_VSYNC_SOURCE_WD_TIMER_4:
+ wd_load_value = MDP_WD_TIMER_4_LOAD_VALUE;
+ wd_ctl = MDP_WD_TIMER_4_CTL;
+ wd_ctl2 = MDP_WD_TIMER_4_CTL2;
+ break;
+ case DPU_VSYNC_SOURCE_WD_TIMER_3:
+ wd_load_value = MDP_WD_TIMER_3_LOAD_VALUE;
+ wd_ctl = MDP_WD_TIMER_3_CTL;
+ wd_ctl2 = MDP_WD_TIMER_3_CTL2;
+ break;
+ case DPU_VSYNC_SOURCE_WD_TIMER_2:
+ wd_load_value = MDP_WD_TIMER_2_LOAD_VALUE;
+ wd_ctl = MDP_WD_TIMER_2_CTL;
+ wd_ctl2 = MDP_WD_TIMER_2_CTL2;
+ break;
+ case DPU_VSYNC_SOURCE_WD_TIMER_1:
+ wd_load_value = MDP_WD_TIMER_1_LOAD_VALUE;
+ wd_ctl = MDP_WD_TIMER_1_CTL;
+ wd_ctl2 = MDP_WD_TIMER_1_CTL2;
+ break;
+ case DPU_VSYNC_SOURCE_WD_TIMER_0:
+ default:
+ wd_load_value = MDP_WD_TIMER_0_LOAD_VALUE;
+ wd_ctl = MDP_WD_TIMER_0_CTL;
+ wd_ctl2 = MDP_WD_TIMER_0_CTL2;
+ break;
+ }
+
+ DPU_REG_WRITE(c, wd_load_value,
+ CALCULATE_WD_LOAD_VALUE(cfg->frame_rate));
+
+ DPU_REG_WRITE(c, wd_ctl, BIT(0)); /* clear timer */
+ reg = DPU_REG_READ(c, wd_ctl2);
+ reg |= BIT(8); /* enable heartbeat timer */
+ reg |= BIT(0); /* enable WD timer */
+ DPU_REG_WRITE(c, wd_ctl2, reg);
+
+ /* make sure that timers are enabled/disabled for vsync state */
+ wmb();
+ }
+}
+
+static void dpu_hw_get_safe_status(struct dpu_hw_mdp *mdp,
+ struct dpu_danger_safe_status *status)
+{
+ struct dpu_hw_blk_reg_map *c;
+ u32 value;
+
+ if (!mdp || !status)
+ return;
+
+ c = &mdp->hw;
+
+ value = DPU_REG_READ(c, SAFE_STATUS);
+ status->mdp = (value >> 0) & 0x1;
+ status->sspp[SSPP_VIG0] = (value >> 4) & 0x1;
+ status->sspp[SSPP_VIG1] = (value >> 6) & 0x1;
+ status->sspp[SSPP_VIG2] = (value >> 8) & 0x1;
+ status->sspp[SSPP_VIG3] = (value >> 10) & 0x1;
+ status->sspp[SSPP_RGB0] = (value >> 12) & 0x1;
+ status->sspp[SSPP_RGB1] = (value >> 14) & 0x1;
+ status->sspp[SSPP_RGB2] = (value >> 16) & 0x1;
+ status->sspp[SSPP_RGB3] = (value >> 18) & 0x1;
+ status->sspp[SSPP_DMA0] = (value >> 20) & 0x1;
+ status->sspp[SSPP_DMA1] = (value >> 22) & 0x1;
+ status->sspp[SSPP_DMA2] = (value >> 28) & 0x1;
+ status->sspp[SSPP_DMA3] = (value >> 30) & 0x1;
+ status->sspp[SSPP_CURSOR0] = (value >> 24) & 0x1;
+ status->sspp[SSPP_CURSOR1] = (value >> 26) & 0x1;
+}
+
+static void dpu_hw_reset_ubwc(struct dpu_hw_mdp *mdp, struct dpu_mdss_cfg *m)
+{
+ struct dpu_hw_blk_reg_map c;
+
+ if (!mdp || !m)
+ return;
+
+ if (!IS_UBWC_20_SUPPORTED(m->caps->ubwc_version))
+ return;
+
+ /* force blk offset to zero to access beginning of register region */
+ c = mdp->hw;
+ c.blk_off = 0x0;
+ DPU_REG_WRITE(&c, UBWC_STATIC, m->mdp[0].ubwc_static);
+}
+
+static void dpu_hw_intf_audio_select(struct dpu_hw_mdp *mdp)
+{
+ struct dpu_hw_blk_reg_map *c;
+
+ if (!mdp)
+ return;
+
+ c = &mdp->hw;
+
+ DPU_REG_WRITE(c, HDMI_DP_CORE_SELECT, 0x1);
+}
+
+static void _setup_mdp_ops(struct dpu_hw_mdp_ops *ops,
+ unsigned long cap)
+{
+ ops->setup_split_pipe = dpu_hw_setup_split_pipe;
+ ops->setup_cdm_output = dpu_hw_setup_cdm_output;
+ ops->setup_clk_force_ctrl = dpu_hw_setup_clk_force_ctrl;
+ ops->get_danger_status = dpu_hw_get_danger_status;
+ ops->setup_vsync_source = dpu_hw_setup_vsync_source;
+ ops->get_safe_status = dpu_hw_get_safe_status;
+ ops->reset_ubwc = dpu_hw_reset_ubwc;
+ ops->intf_audio_select = dpu_hw_intf_audio_select;
+}
+
+static const struct dpu_mdp_cfg *_top_offset(enum dpu_mdp mdp,
+ const struct dpu_mdss_cfg *m,
+ void __iomem *addr,
+ struct dpu_hw_blk_reg_map *b)
+{
+ int i;
+
+ if (!m || !addr || !b)
+ return ERR_PTR(-EINVAL);
+
+ for (i = 0; i < m->mdp_count; i++) {
+ if (mdp == m->mdp[i].id) {
+ b->base_off = addr;
+ b->blk_off = m->mdp[i].base;
+ b->length = m->mdp[i].len;
+ b->hwversion = m->hwversion;
+ b->log_mask = DPU_DBG_MASK_TOP;
+ return &m->mdp[i];
+ }
+ }
+
+ return ERR_PTR(-EINVAL);
+}
+
+static struct dpu_hw_blk_ops dpu_hw_ops = {
+ .start = NULL,
+ .stop = NULL,
+};
+
+struct dpu_hw_mdp *dpu_hw_mdptop_init(enum dpu_mdp idx,
+ void __iomem *addr,
+ const struct dpu_mdss_cfg *m)
+{
+ struct dpu_hw_mdp *mdp;
+ const struct dpu_mdp_cfg *cfg;
+ int rc;
+
+ if (!addr || !m)
+ return ERR_PTR(-EINVAL);
+
+ mdp = kzalloc(sizeof(*mdp), GFP_KERNEL);
+ if (!mdp)
+ return ERR_PTR(-ENOMEM);
+
+ cfg = _top_offset(idx, m, addr, &mdp->hw);
+ if (IS_ERR_OR_NULL(cfg)) {
+ kfree(mdp);
+ return ERR_PTR(-EINVAL);
+ }
+
+ /*
+ * Assign ops
+ */
+ mdp->idx = idx;
+ mdp->caps = cfg;
+ _setup_mdp_ops(&mdp->ops, mdp->caps->features);
+
+ rc = dpu_hw_blk_init(&mdp->base, DPU_HW_BLK_TOP, idx, &dpu_hw_ops);
+ if (rc) {
+ DPU_ERROR("failed to init hw blk %d\n", rc);
+ goto blk_init_error;
+ }
+
+ dpu_dbg_set_dpu_top_offset(mdp->hw.blk_off);
+
+ return mdp;
+
+blk_init_error:
+ kzfree(mdp);
+
+ return ERR_PTR(rc);
+}
+
+void dpu_hw_mdp_destroy(struct dpu_hw_mdp *mdp)
+{
+ if (mdp)
+ dpu_hw_blk_destroy(&mdp->base);
+ kfree(mdp);
+}
+