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Merge tag 'drm-msm-fixes-2020-02-16' of https://gitlab.freedesktop.org/drm/msm into drm-fixes

Browse Source 
+ fix UBWC on GPU and display side for sc7180
+ fix DSI suspend/resume issue encountered on sc7180
+ fix some breakage on so called "linux-android" devices
  (fallout from sc7180/a618 support, not seen earlier
  due to bootloader/firmware differences)
+ couple other misc fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ <CAF6AEGshz5K3tJd=NsBSHq6HGT-ZRa67qt+iN=U2ZFO2oD8kuw@mail.gmail.com
This commit is contained in:
Dave Airlie 2020-02-20 11:01:28 +10:00
commit ec0bd60a47
9 changed files with 170 additions and 100 deletions
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37
drivers/gpu/drm/msm/adreno/a6xx_gmu.c
View File

@ -796,12 +796,41 @@ bool a6xx_gmu_isidle(struct a6xx_gmu *gmu)
return true;
}
#define GBIF_CLIENT_HALT_MASK BIT(0)
#define GBIF_ARB_HALT_MASK BIT(1)
static void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu)
{
struct msm_gpu *gpu = &adreno_gpu->base;
if (!a6xx_has_gbif(adreno_gpu)) {
gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0xf);
spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) &
0xf) == 0xf);
gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0);
return;
}
/* Halt new client requests on GBIF */
gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_CLIENT_HALT_MASK);
spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) &
(GBIF_CLIENT_HALT_MASK)) == GBIF_CLIENT_HALT_MASK);
/* Halt all AXI requests on GBIF */
gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_ARB_HALT_MASK);
spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) &
(GBIF_ARB_HALT_MASK)) == GBIF_ARB_HALT_MASK);
/* The GBIF halt needs to be explicitly cleared */
gpu_write(gpu, REG_A6XX_GBIF_HALT, 0x0);
}
/* Gracefully try to shut down the GMU and by extension the GPU */
static void a6xx_gmu_shutdown(struct a6xx_gmu *gmu)
{
struct a6xx_gpu *a6xx_gpu = container_of(gmu, struct a6xx_gpu, gmu);
struct adreno_gpu *adreno_gpu = &a6xx_gpu->base;
struct msm_gpu *gpu = &adreno_gpu->base;
u32 val;
/*
@ -819,11 +848,7 @@ static void a6xx_gmu_shutdown(struct a6xx_gmu *gmu)
return;
}
/* Clear the VBIF pipe before shutting down */
gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0xf);
spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) & 0xf)
== 0xf);
gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0);
a6xx_bus_clear_pending_transactions(adreno_gpu);
/* tell the GMU we want to slumber */
a6xx_gmu_notify_slumber(gmu);

57
drivers/gpu/drm/msm/adreno/a6xx_gpu.c
View File

@ -378,18 +378,6 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
int ret;
/*
* During a previous slumber, GBIF halt is asserted to ensure
* no further transaction can go through GPU before GPU
* headswitch is turned off.
*
* This halt is deasserted once headswitch goes off but
* incase headswitch doesn't goes off clear GBIF halt
* here to ensure GPU wake-up doesn't fail because of
* halted GPU transactions.
*/
gpu_write(gpu, REG_A6XX_GBIF_HALT, 0x0);
/* Make sure the GMU keeps the GPU on while we set it up */
a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET);
@ -470,10 +458,12 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
/* Select CP0 to always count cycles */
gpu_write(gpu, REG_A6XX_CP_PERFCTR_CP_SEL_0, PERF_CP_ALWAYS_COUNT);
if (adreno_is_a630(adreno_gpu)) {
gpu_write(gpu, REG_A6XX_RB_NC_MODE_CNTL, 2 << 1);
gpu_write(gpu, REG_A6XX_TPL1_NC_MODE_CNTL, 2 << 1);
gpu_write(gpu, REG_A6XX_SP_NC_MODE_CNTL, 2 << 1);
gpu_write(gpu, REG_A6XX_UCHE_MODE_CNTL, 2 << 21);
}
/* Enable fault detection */
gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL,
@ -748,39 +738,6 @@ static const u32 a6xx_register_offsets[REG_ADRENO_REGISTER_MAX] = {
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_A6XX_CP_RB_CNTL),
};
#define GBIF_CLIENT_HALT_MASK BIT(0)
#define GBIF_ARB_HALT_MASK BIT(1)
static void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu)
{
struct msm_gpu *gpu = &adreno_gpu->base;
if(!a6xx_has_gbif(adreno_gpu)){
gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0xf);
spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) &
0xf) == 0xf);
gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0);
return;
}
/* Halt new client requests on GBIF */
gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_CLIENT_HALT_MASK);
spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) &
(GBIF_CLIENT_HALT_MASK)) == GBIF_CLIENT_HALT_MASK);
/* Halt all AXI requests on GBIF */
gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_ARB_HALT_MASK);
spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) &
(GBIF_ARB_HALT_MASK)) == GBIF_ARB_HALT_MASK);
/*
* GMU needs DDR access in slumber path. Deassert GBIF halt now
* to allow for GMU to access system memory.
*/
gpu_write(gpu, REG_A6XX_GBIF_HALT, 0x0);
}
static int a6xx_pm_resume(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
@ -805,16 +762,6 @@ static int a6xx_pm_suspend(struct msm_gpu *gpu)
devfreq_suspend_device(gpu->devfreq.devfreq);
/*
* Make sure the GMU is idle before continuing (because some transitions
* may use VBIF
*/
a6xx_gmu_wait_for_idle(&a6xx_gpu->gmu);
/* Clear the VBIF pipe before shutting down */
/* FIXME: This accesses the GPU - do we need to make sure it is on? */
a6xx_bus_clear_pending_transactions(adreno_gpu);
return a6xx_gmu_stop(a6xx_gpu);
}

85
drivers/gpu/drm/msm/adreno/a6xx_hfi.c
View File

@ -7,6 +7,7 @@
#include "a6xx_gmu.h"
#include "a6xx_gmu.xml.h"
#include "a6xx_gpu.h"
#define HFI_MSG_ID(val) [val] = #val
@ -216,48 +217,82 @@ static int a6xx_hfi_send_perf_table(struct a6xx_gmu *gmu)
NULL, 0);
}
static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu)
static void a618_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
{
struct a6xx_hfi_msg_bw_table msg = { 0 };
/* Send a single "off" entry since the 618 GMU doesn't do bus scaling */
msg->bw_level_num = 1;
msg->ddr_cmds_num = 3;
msg->ddr_wait_bitmask = 0x01;
msg->ddr_cmds_addrs[0] = 0x50000;
msg->ddr_cmds_addrs[1] = 0x5003c;
msg->ddr_cmds_addrs[2] = 0x5000c;
msg->ddr_cmds_data[0][0] = 0x40000000;
msg->ddr_cmds_data[0][1] = 0x40000000;
msg->ddr_cmds_data[0][2] = 0x40000000;
/*
* The sdm845 GMU doesn't do bus frequency scaling on its own but it
* does need at least one entry in the list because it might be accessed
* when the GMU is shutting down. Send a single "off" entry.
* These are the CX (CNOC) votes - these are used by the GMU but the
* votes are known and fixed for the target
*/
msg->cnoc_cmds_num = 1;
msg->cnoc_wait_bitmask = 0x01;
msg.bw_level_num = 1;
msg->cnoc_cmds_addrs[0] = 0x5007c;
msg->cnoc_cmds_data[0][0] = 0x40000000;
msg->cnoc_cmds_data[1][0] = 0x60000001;
}
msg.ddr_cmds_num = 3;
msg.ddr_wait_bitmask = 0x07;
static void a6xx_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
{
/* Send a single "off" entry since the 630 GMU doesn't do bus scaling */
msg->bw_level_num = 1;
msg.ddr_cmds_addrs[0] = 0x50000;
msg.ddr_cmds_addrs[1] = 0x5005c;
msg.ddr_cmds_addrs[2] = 0x5000c;
msg->ddr_cmds_num = 3;
msg->ddr_wait_bitmask = 0x07;
msg.ddr_cmds_data[0][0] = 0x40000000;
msg.ddr_cmds_data[0][1] = 0x40000000;
msg.ddr_cmds_data[0][2] = 0x40000000;
msg->ddr_cmds_addrs[0] = 0x50000;
msg->ddr_cmds_addrs[1] = 0x5005c;
msg->ddr_cmds_addrs[2] = 0x5000c;
msg->ddr_cmds_data[0][0] = 0x40000000;
msg->ddr_cmds_data[0][1] = 0x40000000;
msg->ddr_cmds_data[0][2] = 0x40000000;
/*
* These are the CX (CNOC) votes. This is used but the values for the
* sdm845 GMU are known and fixed so we can hard code them.
*/
msg.cnoc_cmds_num = 3;
msg.cnoc_wait_bitmask = 0x05;
msg->cnoc_cmds_num = 3;
msg->cnoc_wait_bitmask = 0x05;
msg.cnoc_cmds_addrs[0] = 0x50034;
msg.cnoc_cmds_addrs[1] = 0x5007c;
msg.cnoc_cmds_addrs[2] = 0x5004c;
msg->cnoc_cmds_addrs[0] = 0x50034;
msg->cnoc_cmds_addrs[1] = 0x5007c;
msg->cnoc_cmds_addrs[2] = 0x5004c;
msg.cnoc_cmds_data[0][0] = 0x40000000;
msg.cnoc_cmds_data[0][1] = 0x00000000;
msg.cnoc_cmds_data[0][2] = 0x40000000;
msg->cnoc_cmds_data[0][0] = 0x40000000;
msg->cnoc_cmds_data[0][1] = 0x00000000;
msg->cnoc_cmds_data[0][2] = 0x40000000;
msg.cnoc_cmds_data[1][0] = 0x60000001;
msg.cnoc_cmds_data[1][1] = 0x20000001;
msg.cnoc_cmds_data[1][2] = 0x60000001;
msg->cnoc_cmds_data[1][0] = 0x60000001;
msg->cnoc_cmds_data[1][1] = 0x20000001;
msg->cnoc_cmds_data[1][2] = 0x60000001;
}
static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu)
{
struct a6xx_hfi_msg_bw_table msg = { 0 };
struct a6xx_gpu *a6xx_gpu = container_of(gmu, struct a6xx_gpu, gmu);
struct adreno_gpu *adreno_gpu = &a6xx_gpu->base;
if (adreno_is_a618(adreno_gpu))
a618_build_bw_table(&msg);
else
a6xx_build_bw_table(&msg);
return a6xx_hfi_send_msg(gmu, HFI_H2F_MSG_BW_TABLE, &msg, sizeof(msg),
NULL, 0);

4
drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c
View File

@ -255,13 +255,13 @@ static const struct dpu_format dpu_format_map[] = {
INTERLEAVED_RGB_FMT(RGB565,
0, COLOR_5BIT, COLOR_6BIT, COLOR_5BIT,
C2_R_Cr, C0_G_Y, C1_B_Cb, 0, 3,
C1_B_Cb, C0_G_Y, C2_R_Cr, 0, 3,
false, 2, 0,
DPU_FETCH_LINEAR, 1),
INTERLEAVED_RGB_FMT(BGR565,
0, COLOR_5BIT, COLOR_6BIT, COLOR_5BIT,
C1_B_Cb, C0_G_Y, C2_R_Cr, 0, 3,
C2_R_Cr, C0_G_Y, C1_B_Cb, 0, 3,
false, 2, 0,
DPU_FETCH_LINEAR, 1),

58
drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c
View File

@ -12,6 +12,7 @@
#define to_dpu_mdss(x) container_of(x, struct dpu_mdss, base)
#define HW_REV 0x0
#define HW_INTR_STATUS 0x0010
/* Max BW defined in KBps */
@ -22,6 +23,17 @@ struct dpu_irq_controller {
struct irq_domain *domain;
};
struct dpu_hw_cfg {
u32 val;
u32 offset;
};
struct dpu_mdss_hw_init_handler {
u32 hw_rev;
u32 hw_reg_count;
struct dpu_hw_cfg* hw_cfg;
};
struct dpu_mdss {
struct msm_mdss base;
void __iomem *mmio;
@ -32,6 +44,44 @@ struct dpu_mdss {
u32 num_paths;
};
static struct dpu_hw_cfg hw_cfg[] = {
{
/* UBWC global settings */
.val = 0x1E,
.offset = 0x144,
}
};
static struct dpu_mdss_hw_init_handler cfg_handler[] = {
{ .hw_rev = DPU_HW_VER_620,
.hw_reg_count = ARRAY_SIZE(hw_cfg),
.hw_cfg = hw_cfg
},
};
static void dpu_mdss_hw_init(struct dpu_mdss *dpu_mdss, u32 hw_rev)
{
int i;
u32 count = 0;
struct dpu_hw_cfg *hw_cfg = NULL;
for (i = 0; i < ARRAY_SIZE(cfg_handler); i++) {
if (cfg_handler[i].hw_rev == hw_rev) {
hw_cfg = cfg_handler[i].hw_cfg;
count = cfg_handler[i].hw_reg_count;
break;
}
}
for (i = 0; i < count; i++ ) {
writel_relaxed(hw_cfg->val,
dpu_mdss->mmio + hw_cfg->offset);
hw_cfg++;
}
return;
}
static int dpu_mdss_parse_data_bus_icc_path(struct drm_device *dev,
struct dpu_mdss *dpu_mdss)
{
@ -174,12 +224,18 @@ static int dpu_mdss_enable(struct msm_mdss *mdss)
struct dpu_mdss *dpu_mdss = to_dpu_mdss(mdss);
struct dss_module_power *mp = &dpu_mdss->mp;
int ret;
u32 mdss_rev;
dpu_mdss_icc_request_bw(mdss);
ret = msm_dss_enable_clk(mp->clk_config, mp->num_clk, true);
if (ret)
if (ret) {
DPU_ERROR("clock enable failed, ret:%d\n", ret);
return ret;
}
mdss_rev = readl_relaxed(dpu_mdss->mmio + HW_REV);
dpu_mdss_hw_init(dpu_mdss, mdss_rev);
return ret;
}

2
drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
View File

@ -1109,7 +1109,7 @@ static void mdp5_crtc_wait_for_pp_done(struct drm_crtc *crtc)
ret = wait_for_completion_timeout(&mdp5_crtc->pp_completion,
msecs_to_jiffies(50));
if (ret == 0)
dev_warn(dev->dev, "pp done time out, lm=%d\n",
dev_warn_ratelimited(dev->dev, "pp done time out, lm=%d\n",
mdp5_cstate->pipeline.mixer->lm);
}

7
drivers/gpu/drm/msm/dsi/dsi_manager.c
View File

@ -336,7 +336,7 @@ static int dsi_mgr_connector_get_modes(struct drm_connector *connector)
return num;
}
static int dsi_mgr_connector_mode_valid(struct drm_connector *connector,
static enum drm_mode_status dsi_mgr_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
int id = dsi_mgr_connector_get_id(connector);
@ -506,6 +506,7 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1);
struct mipi_dsi_host *host = msm_dsi->host;
struct drm_panel *panel = msm_dsi->panel;
struct msm_dsi_pll *src_pll;
bool is_dual_dsi = IS_DUAL_DSI();
int ret;
@ -539,6 +540,10 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
id, ret);
}
/* Save PLL status if it is a clock source */
src_pll = msm_dsi_phy_get_pll(msm_dsi->phy);
msm_dsi_pll_save_state(src_pll);
ret = msm_dsi_host_power_off(host);
if (ret)
pr_err("%s: host %d power off failed,%d\n", __func__, id, ret);

4
drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
View File

@ -724,10 +724,6 @@ void msm_dsi_phy_disable(struct msm_dsi_phy *phy)
if (!phy || !phy->cfg->ops.disable)
return;
/* Save PLL status if it is a clock source */
if (phy->usecase != MSM_DSI_PHY_SLAVE)
msm_dsi_pll_save_state(phy->pll);
phy->cfg->ops.disable(phy);
dsi_phy_regulator_disable(phy);

6
drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c
View File

@ -411,6 +411,12 @@ static int dsi_pll_10nm_vco_prepare(struct clk_hw *hw)
if (pll_10nm->slave)
dsi_pll_enable_pll_bias(pll_10nm->slave);
rc = dsi_pll_10nm_vco_set_rate(hw,pll_10nm->vco_current_rate, 0);
if (rc) {
pr_err("vco_set_rate failed, rc=%d\n", rc);
return rc;
}
/* Start PLL */
pll_write(pll_10nm->phy_cmn_mmio + REG_DSI_10nm_PHY_CMN_PLL_CNTRL,
0x01);