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Message-Id: <e89c20fc6f7ad8ae07e77d406e859043f75db962.1597833138.git.mchehab+huawei@kernel.org>
Date: Wed, 19 Aug 2020 13:45:30 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linuxarm@...wei.com, mauro.chehab@...wei.com,
John Stultz <john.stultz@...aro.org>,
Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
Manivannan Sadhasivam <mani@...nel.org>,
Daniel Vetter <daniel@...ll.ch>,
dri-devel <dri-devel@...ts.freedesktop.org>,
Xiubin Zhang <zhangxiubin1@...wei.com>,
Liwei Cai <cailiwei@...ilicon.com>,
Liuyao An <anliuyao@...wei.com>,
Chen Feng <puck.chen@...ilicon.com>,
Wanchun Zheng <zhengwanchun@...ilicon.com>,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 02/49] staging: hikey9xx/gpu: port it to work with Kernel v4.9
From: John Stultz <john.stultz@...aro.org>
Update the driver to work with v4.9 kernels
Signed-off-by: John Stultz <john.stultz@...aro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
drivers/staging/hikey9xx/gpu/dw_drm_dsi.c | 4 +-
drivers/staging/hikey9xx/gpu/kirin_dpe_reg.h | 1 +
drivers/staging/hikey9xx/gpu/kirin_drm_drv.c | 3 +-
drivers/staging/hikey9xx/gpu/kirin_drm_drv.h | 1 +
drivers/staging/hikey9xx/gpu/kirin_drm_dss.c | 46 ++++++++-----------
.../hikey9xx/gpu/kirin_drm_overlay_utils.c | 7 ++-
6 files changed, 30 insertions(+), 32 deletions(-)
diff --git a/drivers/staging/hikey9xx/gpu/dw_drm_dsi.c b/drivers/staging/hikey9xx/gpu/dw_drm_dsi.c
index 1d1d4f49609c..9871b375416b 100644
--- a/drivers/staging/hikey9xx/gpu/dw_drm_dsi.c
+++ b/drivers/staging/hikey9xx/gpu/dw_drm_dsi.c
@@ -1079,7 +1079,7 @@ static int dw_drm_encoder_init(struct device *dev,
encoder->possible_crtcs = crtc_mask;
ret = drm_encoder_init(drm_dev, encoder, &dw_encoder_funcs,
- DRM_MODE_ENCODER_DSI);
+ DRM_MODE_ENCODER_DSI, NULL);
if (ret) {
DRM_ERROR("failed to init dsi encoder\n");
return ret;
@@ -1104,7 +1104,7 @@ static int dsi_host_attach(struct mipi_dsi_host *host,
dsi->client[id].lanes = mdsi->lanes;
dsi->client[id].format = mdsi->format;
dsi->client[id].mode_flags = mdsi->mode_flags;
- dsi->client[id].phy_clock = mdsi->phy_clock;
+ dsi->client[id].phy_clock = 0;
DRM_INFO("host attach, client name=[%s], id=%d\n", mdsi->name, id);
diff --git a/drivers/staging/hikey9xx/gpu/kirin_dpe_reg.h b/drivers/staging/hikey9xx/gpu/kirin_dpe_reg.h
index 61af8ef81878..9fad9ef942bd 100644
--- a/drivers/staging/hikey9xx/gpu/kirin_dpe_reg.h
+++ b/drivers/staging/hikey9xx/gpu/kirin_dpe_reg.h
@@ -18,6 +18,7 @@
#include <linux/kernel.h>
#include <linux/wait.h>
#include <linux/bug.h>
+#include <linux/iommu.h>
#include <linux/ion.h>
#include <linux/hisi/hisi_ion.h>
diff --git a/drivers/staging/hikey9xx/gpu/kirin_drm_drv.c b/drivers/staging/hikey9xx/gpu/kirin_drm_drv.c
index edb690062f64..ffa0cd792bf1 100644
--- a/drivers/staging/hikey9xx/gpu/kirin_drm_drv.c
+++ b/drivers/staging/hikey9xx/gpu/kirin_drm_drv.c
@@ -200,9 +200,8 @@ static int kirin_drm_connectors_register(struct drm_device *dev)
static struct drm_driver kirin_drm_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME |
- DRIVER_ATOMIC | DRIVER_HAVE_IRQ | DRIVER_RENDER,
+ DRIVER_ATOMIC | DRIVER_RENDER,
.fops = &kirin_drm_fops,
- .set_busid = drm_platform_set_busid,
.gem_free_object = drm_gem_cma_free_object,
.gem_vm_ops = &drm_gem_cma_vm_ops,
diff --git a/drivers/staging/hikey9xx/gpu/kirin_drm_drv.h b/drivers/staging/hikey9xx/gpu/kirin_drm_drv.h
index b361f5f69932..2f842ad36ae9 100644
--- a/drivers/staging/hikey9xx/gpu/kirin_drm_drv.h
+++ b/drivers/staging/hikey9xx/gpu/kirin_drm_drv.h
@@ -12,6 +12,7 @@
#define __KIRIN_DRM_DRV_H__
#include <drm/drmP.h>
+#include <linux/iommu.h>
#include <linux/ion.h>
#include <linux/hisi/hisi_ion.h>
#include <linux/hisi/hisi-iommu.h>
diff --git a/drivers/staging/hikey9xx/gpu/kirin_drm_dss.c b/drivers/staging/hikey9xx/gpu/kirin_drm_dss.c
index 2a92372d0c81..c47d860f4697 100644
--- a/drivers/staging/hikey9xx/gpu/kirin_drm_dss.c
+++ b/drivers/staging/hikey9xx/gpu/kirin_drm_dss.c
@@ -213,6 +213,7 @@ static void dss_disable_vblank(struct drm_device *dev, unsigned int pipe)
static irqreturn_t dss_irq_handler(int irq, void *data)
{
struct dss_crtc *acrtc = data;
+ struct drm_crtc *crtc = &acrtc->base;
struct dss_hw_ctx *ctx = acrtc->ctx;
void __iomem *dss_base = ctx->base;
@@ -241,8 +242,10 @@ static irqreturn_t dss_irq_handler(int irq, void *data)
wake_up_interruptible_all(&ctx->vactive0_start_wq);
}
- if (isr_s2 & BIT_VSYNC)
+ if (isr_s2 & BIT_VSYNC) {
ctx->vsync_timestamp = ktime_get();
+ drm_crtc_handle_vblank(crtc);
+ }
if (isr_s2 & BIT_LDI_UNFLOW) {
mask = inp32(dss_base + DSS_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
@@ -271,6 +274,7 @@ static void dss_crtc_enable(struct drm_crtc *crtc)
}
acrtc->enable = true;
+ drm_crtc_vblank_on(crtc);
}
static void dss_crtc_disable(struct drm_crtc *crtc)
@@ -282,13 +286,7 @@ static void dss_crtc_disable(struct drm_crtc *crtc)
/*dss_power_down(acrtc);*/
acrtc->enable = false;
-}
-
-static int dss_crtc_atomic_check(struct drm_crtc *crtc,
- struct drm_crtc_state *state)
-{
- /* do nothing */
- return 0;
+ drm_crtc_vblank_off(crtc);
}
static void dss_crtc_mode_set_nofb(struct drm_crtc *crtc)
@@ -315,13 +313,24 @@ static void dss_crtc_atomic_flush(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)
{
+ struct drm_pending_vblank_event *event = crtc->state->event;
+
+ if (event) {
+ crtc->state->event = NULL;
+
+ spin_lock_irq(&crtc->dev->event_lock);
+ if (drm_crtc_vblank_get(crtc) == 0)
+ drm_crtc_arm_vblank_event(crtc, event);
+ else
+ drm_crtc_send_vblank_event(crtc, event);
+ spin_unlock_irq(&crtc->dev->event_lock);
+ }
}
static const struct drm_crtc_helper_funcs dss_crtc_helper_funcs = {
.enable = dss_crtc_enable,
.disable = dss_crtc_disable,
- .atomic_check = dss_crtc_atomic_check,
.mode_set_nofb = dss_crtc_mode_set_nofb,
.atomic_begin = dss_crtc_atomic_begin,
.atomic_flush = dss_crtc_atomic_flush,
@@ -357,7 +366,7 @@ static int dss_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
crtc->port = port;
ret = drm_crtc_init_with_planes(dev, crtc, plane, NULL,
- &dss_crtc_funcs);
+ &dss_crtc_funcs, NULL);
if (ret) {
DRM_ERROR("failed to init crtc.\n");
return ret;
@@ -369,19 +378,6 @@ static int dss_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
return 0;
}
-static int dss_plane_prepare_fb(struct drm_plane *plane,
- const struct drm_plane_state *new_state)
-{
- /* do nothing */
- return 0;
-}
-
-static void dss_plane_cleanup_fb(struct drm_plane *plane,
- const struct drm_plane_state *old_state)
-{
- /* do nothing */
-}
-
static int dss_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
@@ -441,8 +437,6 @@ static void dss_plane_atomic_disable(struct drm_plane *plane,
}
static const struct drm_plane_helper_funcs dss_plane_helper_funcs = {
- .prepare_fb = dss_plane_prepare_fb,
- .cleanup_fb = dss_plane_cleanup_fb,
.atomic_check = dss_plane_atomic_check,
.atomic_update = dss_plane_atomic_update,
.atomic_disable = dss_plane_atomic_disable,
@@ -471,7 +465,7 @@ static int dss_plane_init(struct drm_device *dev, struct dss_plane *aplane,
return ret;
ret = drm_universal_plane_init(dev, &aplane->base, 1, &dss_plane_funcs,
- fmts, fmts_cnt, type);
+ fmts, fmts_cnt, type, NULL);
if (ret) {
DRM_ERROR("fail to init plane, ch=%d\n", aplane->ch);
return ret;
diff --git a/drivers/staging/hikey9xx/gpu/kirin_drm_overlay_utils.c b/drivers/staging/hikey9xx/gpu/kirin_drm_overlay_utils.c
index 98ab748b8d8e..095335eba16d 100644
--- a/drivers/staging/hikey9xx/gpu/kirin_drm_overlay_utils.c
+++ b/drivers/staging/hikey9xx/gpu/kirin_drm_overlay_utils.c
@@ -1117,7 +1117,7 @@ void hisi_fb_pan_display(struct drm_plane *plane)
dss_rect_ltrb_t rect;
u32 bpp;
u32 stride;
- u32 display_addr;
+ u32 display_addr = 0;
u32 hal_fmt;
int chn_idx = DSS_RCHN_D2;
@@ -1138,7 +1138,10 @@ void hisi_fb_pan_display(struct drm_plane *plane)
bpp = fb->bits_per_pixel / 8;
stride = fb->pitches[0];
- display_addr = (u32)fbdev->smem_start + src_y * stride;
+ if (fbdev)
+ display_addr = (u32)fbdev->smem_start + src_y * stride;
+ else
+ printk("JDB: fbdev is null?\n");
rect.left = 0;
rect.right = src_w - 1;
--
2.26.2
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