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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c47
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_module.c3
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c4
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c18
-rw-r--r--drivers/gpu/drm/arm/hdlcd_crtc.c3
-rw-r--r--drivers/gpu/drm/arm/hdlcd_drv.c9
-rw-r--r--drivers/gpu/drm/arm/malidp_crtc.c16
-rw-r--r--drivers/gpu/drm/arm/malidp_drv.c34
-rw-r--r--drivers/gpu/drm/arm/malidp_hw.c46
-rw-r--r--drivers/gpu/drm/arm/malidp_hw.h65
-rw-r--r--drivers/gpu/drm/arm/malidp_planes.c21
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511.h13
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511_cec.c32
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511_drv.c17
-rw-r--r--drivers/gpu/drm/bridge/lvds-encoder.c48
-rw-r--r--drivers/gpu/drm/bridge/synopsys/dw-hdmi.c25
-rw-r--r--drivers/gpu/drm/bridge/tc358767.c73
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c2
-rw-r--r--drivers/gpu/drm/drm_edid.c12
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c4
-rw-r--r--drivers/gpu/drm/drm_plane.c1
-rw-r--r--drivers/gpu/drm/i915/gvt/cmd_parser.c2
-rw-r--r--drivers/gpu/drm/i915/gvt/display.c2
-rw-r--r--drivers/gpu/drm/i915/gvt/execlist.c6
-rw-r--r--drivers/gpu/drm/i915/gvt/gtt.c6
-rw-r--r--drivers/gpu/drm/i915/gvt/handlers.c45
-rw-r--r--drivers/gpu/drm/i915/gvt/scheduler.c33
-rw-r--r--drivers/gpu/drm/i915/gvt/scheduler.h3
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c3
-rw-r--r--drivers/gpu/drm/i915/i915_gem_userptr.c6
-rw-r--r--drivers/gpu/drm/i915/i915_gemfs.c3
-rw-r--r--drivers/gpu/drm/i915/intel_breadcrumbs.c1
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h2
-rw-r--r--drivers/gpu/drm/i915/intel_fbdev.c10
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c3
-rw-r--r--drivers/gpu/drm/i915/intel_i2c.c4
-rw-r--r--drivers/gpu/drm/i915/intel_uncore.c13
-rw-r--r--drivers/gpu/drm/i915/intel_uncore.h1
-rw-r--r--drivers/gpu/drm/imx/imx-drm-core.c11
-rw-r--r--drivers/gpu/drm/omapdrm/displays/Kconfig1
-rw-r--r--drivers/gpu/drm/omapdrm/dss/dpi.c4
-rw-r--r--drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c2
-rw-r--r--drivers/gpu/drm/omapdrm/dss/hdmi4_core.c23
-rw-r--r--drivers/gpu/drm/omapdrm/omap_dmm_tiler.c3
-rw-r--r--drivers/gpu/drm/rockchip/dw-mipi-dsi.c3
-rw-r--r--drivers/gpu/drm/ttm/ttm_page_alloc.c36
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.c3
-rw-r--r--drivers/gpu/drm/vc4/vc4_irq.c6
48 files changed, 463 insertions, 265 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
index 47d1c132ac40..1e3e9be7d77e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
@@ -379,29 +379,50 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
struct cik_sdma_rlc_registers *m;
+ unsigned long end_jiffies;
uint32_t sdma_base_addr;
+ uint32_t data;
m = get_sdma_mqd(mqd);
sdma_base_addr = get_sdma_base_addr(m);
- WREG32(sdma_base_addr + mmSDMA0_RLC0_VIRTUAL_ADDR,
- m->sdma_rlc_virtual_addr);
+ WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
+ m->sdma_rlc_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
- WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE,
- m->sdma_rlc_rb_base);
+ end_jiffies = msecs_to_jiffies(2000) + jiffies;
+ while (true) {
+ data = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
+ if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
+ break;
+ if (time_after(jiffies, end_jiffies))
+ return -ETIME;
+ usleep_range(500, 1000);
+ }
+ if (m->sdma_engine_id) {
+ data = RREG32(mmSDMA1_GFX_CONTEXT_CNTL);
+ data = REG_SET_FIELD(data, SDMA1_GFX_CONTEXT_CNTL,
+ RESUME_CTX, 0);
+ WREG32(mmSDMA1_GFX_CONTEXT_CNTL, data);
+ } else {
+ data = RREG32(mmSDMA0_GFX_CONTEXT_CNTL);
+ data = REG_SET_FIELD(data, SDMA0_GFX_CONTEXT_CNTL,
+ RESUME_CTX, 0);
+ WREG32(mmSDMA0_GFX_CONTEXT_CNTL, data);
+ }
+ WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL,
+ m->sdma_rlc_doorbell);
+ WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, 0);
+ WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, 0);
+ WREG32(sdma_base_addr + mmSDMA0_RLC0_VIRTUAL_ADDR,
+ m->sdma_rlc_virtual_addr);
+ WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, m->sdma_rlc_rb_base);
WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE_HI,
m->sdma_rlc_rb_base_hi);
-
WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
m->sdma_rlc_rb_rptr_addr_lo);
-
WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
m->sdma_rlc_rb_rptr_addr_hi);
-
- WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL,
- m->sdma_rlc_doorbell);
-
WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
m->sdma_rlc_rb_cntl);
@@ -574,9 +595,9 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
}
WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0);
- WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, 0);
- WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, 0);
- WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, 0);
+ WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL,
+ RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL) |
+ SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c
index 6c5a9cab55de..f744caeaee04 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c
@@ -24,6 +24,7 @@
#include <linux/sched.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
+#include <linux/printk.h>
#include "kfd_priv.h"
#define KFD_DRIVER_AUTHOR "AMD Inc. and others"
@@ -132,7 +133,7 @@ static void __exit kfd_module_exit(void)
kfd_process_destroy_wq();
kfd_topology_shutdown();
kfd_chardev_exit();
- dev_info(kfd_device, "Removed module\n");
+ pr_info("amdkfd: Removed module\n");
}
module_init(kfd_module_init);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
index 4859d263fa2a..4728fad3fd74 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
@@ -202,8 +202,8 @@ static int update_mqd_sdma(struct mqd_manager *mm, void *mqd,
struct cik_sdma_rlc_registers *m;
m = get_sdma_mqd(mqd);
- m->sdma_rlc_rb_cntl = ffs(q->queue_size / sizeof(unsigned int)) <<
- SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
+ m->sdma_rlc_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)
+ << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT |
1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index 2bec902fc939..a3f1e62c60ba 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -191,6 +191,24 @@ int pqm_create_queue(struct process_queue_manager *pqm,
switch (type) {
case KFD_QUEUE_TYPE_SDMA:
+ if (dev->dqm->queue_count >=
+ CIK_SDMA_QUEUES_PER_ENGINE * CIK_SDMA_ENGINE_NUM) {
+ pr_err("Over-subscription is not allowed for SDMA.\n");
+ retval = -EPERM;
+ goto err_create_queue;
+ }
+
+ retval = create_cp_queue(pqm, dev, &q, properties, f, *qid);
+ if (retval != 0)
+ goto err_create_queue;
+ pqn->q = q;
+ pqn->kq = NULL;
+ retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd,
+ &q->properties.vmid);
+ pr_debug("DQM returned %d for create_queue\n", retval);
+ print_queue(q);
+ break;
+
case KFD_QUEUE_TYPE_COMPUTE:
/* check if there is over subscription */
if ((sched_policy == KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION) &&
diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c
index 72b22b805412..5a5427bbd70e 100644
--- a/drivers/gpu/drm/arm/hdlcd_crtc.c
+++ b/drivers/gpu/drm/arm/hdlcd_crtc.c
@@ -317,9 +317,8 @@ static struct drm_plane *hdlcd_plane_init(struct drm_device *drm)
formats, ARRAY_SIZE(formats),
NULL,
DRM_PLANE_TYPE_PRIMARY, NULL);
- if (ret) {
+ if (ret)
return ERR_PTR(ret);
- }
drm_plane_helper_add(plane, &hdlcd_plane_helper_funcs);
hdlcd->plane = plane;
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index 764d0c83710c..0afb53b1f4e9 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -13,6 +13,7 @@
#include <linux/spinlock.h>
#include <linux/clk.h>
#include <linux/component.h>
+#include <linux/console.h>
#include <linux/list.h>
#include <linux/of_graph.h>
#include <linux/of_reserved_mem.h>
@@ -354,7 +355,7 @@ err_unload:
err_free:
drm_mode_config_cleanup(drm);
dev_set_drvdata(dev, NULL);
- drm_dev_unref(drm);
+ drm_dev_put(drm);
return ret;
}
@@ -379,7 +380,7 @@ static void hdlcd_drm_unbind(struct device *dev)
pm_runtime_disable(drm->dev);
of_reserved_mem_device_release(drm->dev);
drm_mode_config_cleanup(drm);
- drm_dev_unref(drm);
+ drm_dev_put(drm);
drm->dev_private = NULL;
dev_set_drvdata(dev, NULL);
}
@@ -432,9 +433,11 @@ static int __maybe_unused hdlcd_pm_suspend(struct device *dev)
return 0;
drm_kms_helper_poll_disable(drm);
+ drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 1);
hdlcd->state = drm_atomic_helper_suspend(drm);
if (IS_ERR(hdlcd->state)) {
+ drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 0);
drm_kms_helper_poll_enable(drm);
return PTR_ERR(hdlcd->state);
}
@@ -451,8 +454,8 @@ static int __maybe_unused hdlcd_pm_resume(struct device *dev)
return 0;
drm_atomic_helper_resume(drm, hdlcd->state);
+ drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 0);
drm_kms_helper_poll_enable(drm);
- pm_runtime_set_active(dev);
return 0;
}
diff --git a/drivers/gpu/drm/arm/malidp_crtc.c b/drivers/gpu/drm/arm/malidp_crtc.c
index 3615d18a7ddf..904fff80917b 100644
--- a/drivers/gpu/drm/arm/malidp_crtc.c
+++ b/drivers/gpu/drm/arm/malidp_crtc.c
@@ -65,8 +65,8 @@ static void malidp_crtc_atomic_enable(struct drm_crtc *crtc,
/* We rely on firmware to set mclk to a sensible level. */
clk_set_rate(hwdev->pxlclk, crtc->state->adjusted_mode.crtc_clock * 1000);
- hwdev->modeset(hwdev, &vm);
- hwdev->leave_config_mode(hwdev);
+ hwdev->hw->modeset(hwdev, &vm);
+ hwdev->hw->leave_config_mode(hwdev);
drm_crtc_vblank_on(crtc);
}
@@ -77,8 +77,12 @@ static void malidp_crtc_atomic_disable(struct drm_crtc *crtc,
struct malidp_hw_device *hwdev = malidp->dev;
int err;
+ /* always disable planes on the CRTC that is being turned off */
+ drm_atomic_helper_disable_planes_on_crtc(old_state, false);
+
drm_crtc_vblank_off(crtc);
- hwdev->enter_config_mode(hwdev);
+ hwdev->hw->enter_config_mode(hwdev);
+
clk_disable_unprepare(hwdev->pxlclk);
err = pm_runtime_put(crtc->dev->dev);
@@ -319,7 +323,7 @@ static int malidp_crtc_atomic_check_scaling(struct drm_crtc *crtc,
mclk_calc:
drm_display_mode_to_videomode(&state->adjusted_mode, &vm);
- ret = hwdev->se_calc_mclk(hwdev, s, &vm);
+ ret = hwdev->hw->se_calc_mclk(hwdev, s, &vm);
if (ret < 0)
return -EINVAL;
return 0;
@@ -475,7 +479,7 @@ static int malidp_crtc_enable_vblank(struct drm_crtc *crtc)
struct malidp_hw_device *hwdev = malidp->dev;
malidp_hw_enable_irq(hwdev, MALIDP_DE_BLOCK,
- hwdev->map.de_irq_map.vsync_irq);
+ hwdev->hw->map.de_irq_map.vsync_irq);
return 0;
}
@@ -485,7 +489,7 @@ static void malidp_crtc_disable_vblank(struct drm_crtc *crtc)
struct malidp_hw_device *hwdev = malidp->dev;
malidp_hw_disable_irq(hwdev, MALIDP_DE_BLOCK,
- hwdev->map.de_irq_map.vsync_irq);
+ hwdev->hw->map.de_irq_map.vsync_irq);
}
static const struct drm_crtc_funcs malidp_crtc_funcs = {
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index b8944666a18f..91f2b0191368 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -47,10 +47,10 @@ static void malidp_write_gamma_table(struct malidp_hw_device *hwdev,
* directly.
*/
malidp_hw_write(hwdev, gamma_write_mask,
- hwdev->map.coeffs_base + MALIDP_COEF_TABLE_ADDR);
+ hwdev->hw->map.coeffs_base + MALIDP_COEF_TABLE_ADDR);
for (i = 0; i < MALIDP_COEFFTAB_NUM_COEFFS; ++i)
malidp_hw_write(hwdev, data[i],
- hwdev->map.coeffs_base +
+ hwdev->hw->map.coeffs_base +
MALIDP_COEF_TABLE_DATA);
}
@@ -103,7 +103,7 @@ void malidp_atomic_commit_update_coloradj(struct drm_crtc *crtc,
for (i = 0; i < MALIDP_COLORADJ_NUM_COEFFS; ++i)
malidp_hw_write(hwdev,
mc->coloradj_coeffs[i],
- hwdev->map.coeffs_base +
+ hwdev->hw->map.coeffs_base +
MALIDP_COLOR_ADJ_COEF + 4 * i);
malidp_hw_setbits(hwdev, MALIDP_DISP_FUNC_CADJ,
@@ -120,8 +120,8 @@ static void malidp_atomic_commit_se_config(struct drm_crtc *crtc,
struct malidp_hw_device *hwdev = malidp->dev;
struct malidp_se_config *s = &cs->scaler_config;
struct malidp_se_config *old_s = &old_cs->scaler_config;
- u32 se_control = hwdev->map.se_base +
- ((hwdev->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) ?
+ u32 se_control = hwdev->hw->map.se_base +
+ ((hwdev->hw->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) ?
0x10 : 0xC);
u32 layer_control = se_control + MALIDP_SE_LAYER_CONTROL;
u32 scr = se_control + MALIDP_SE_SCALING_CONTROL;
@@ -135,7 +135,7 @@ static void malidp_atomic_commit_se_config(struct drm_crtc *crtc,
return;
}
- hwdev->se_set_scaling_coeffs(hwdev, s, old_s);
+ hwdev->hw->se_set_scaling_coeffs(hwdev, s, old_s);
val = malidp_hw_read(hwdev, se_control);
val |= MALIDP_SE_SCALING_EN | MALIDP_SE_ALPHA_EN;
@@ -170,9 +170,9 @@ static int malidp_set_and_wait_config_valid(struct drm_device *drm)
int ret;
atomic_set(&malidp->config_valid, 0);
- hwdev->set_config_valid(hwdev);
+ hwdev->hw->set_config_valid(hwdev);
/* don't wait for config_valid flag if we are in config mode */
- if (hwdev->in_config_mode(hwdev))
+ if (hwdev->hw->in_config_mode(hwdev))
return 0;
ret = wait_event_interruptible_timeout(malidp->wq,
@@ -455,7 +455,7 @@ static int malidp_runtime_pm_suspend(struct device *dev)
struct malidp_hw_device *hwdev = malidp->dev;
/* we can only suspend if the hardware is in config mode */
- WARN_ON(!hwdev->in_config_mode(hwdev));
+ WARN_ON(!hwdev->hw->in_config_mode(hwdev));
hwdev->pm_suspended = true;
clk_disable_unprepare(hwdev->mclk);
@@ -500,11 +500,7 @@ static int malidp_bind(struct device *dev)
if (!hwdev)
return -ENOMEM;
- /*
- * copy the associated data from malidp_drm_of_match to avoid
- * having to keep a reference to the OF node after binding
- */
- memcpy(hwdev, of_device_get_match_data(dev), sizeof(*hwdev));
+ hwdev->hw = (struct malidp_hw *)of_device_get_match_data(dev);
malidp->dev = hwdev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -568,13 +564,13 @@ static int malidp_bind(struct device *dev)
goto query_hw_fail;
}
- ret = hwdev->query_hw(hwdev);
+ ret = hwdev->hw->query_hw(hwdev);
if (ret) {
DRM_ERROR("Invalid HW configuration\n");
goto query_hw_fail;
}
- version = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_DE_CORE_ID);
+ version = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_DE_CORE_ID);
DRM_INFO("found ARM Mali-DP%3x version r%dp%d\n", version >> 16,
(version >> 12) & 0xf, (version >> 8) & 0xf);
@@ -589,7 +585,7 @@ static int malidp_bind(struct device *dev)
for (i = 0; i < MAX_OUTPUT_CHANNELS; i++)
out_depth = (out_depth << 8) | (output_width[i] & 0xf);
- malidp_hw_write(hwdev, out_depth, hwdev->map.out_depth_base);
+ malidp_hw_write(hwdev, out_depth, hwdev->hw->map.out_depth_base);
atomic_set(&malidp->config_valid, 0);
init_waitqueue_head(&malidp->wq);
@@ -671,7 +667,7 @@ query_hw_fail:
malidp_runtime_pm_suspend(dev);
drm->dev_private = NULL;
dev_set_drvdata(dev, NULL);
- drm_dev_unref(drm);
+ drm_dev_put(drm);
alloc_fail:
of_reserved_mem_device_release(dev);
@@ -704,7 +700,7 @@ static void malidp_unbind(struct device *dev)
malidp_runtime_pm_suspend(dev);
drm->dev_private = NULL;
dev_set_drvdata(dev, NULL);
- drm_dev_unref(drm);
+ drm_dev_put(drm);
of_reserved_mem_device_release(dev);
}
diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c
index 17bca99e8ac8..2bfb542135ac 100644
--- a/drivers/gpu/drm/arm/malidp_hw.c
+++ b/drivers/gpu/drm/arm/malidp_hw.c
@@ -183,7 +183,7 @@ static void malidp500_enter_config_mode(struct malidp_hw_device *hwdev)
malidp_hw_setbits(hwdev, MALIDP500_DC_CONFIG_REQ, MALIDP500_DC_CONTROL);
while (count) {
- status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS);
+ status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS);
if ((status & MALIDP500_DC_CONFIG_REQ) == MALIDP500_DC_CONFIG_REQ)
break;
/*
@@ -203,7 +203,7 @@ static void malidp500_leave_config_mode(struct malidp_hw_device *hwdev)
malidp_hw_clearbits(hwdev, MALIDP_CFG_VALID, MALIDP500_CONFIG_VALID);
malidp_hw_clearbits(hwdev, MALIDP500_DC_CONFIG_REQ, MALIDP500_DC_CONTROL);
while (count) {
- status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS);
+ status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS);
if ((status & MALIDP500_DC_CONFIG_REQ) == 0)
break;
usleep_range(100, 1000);
@@ -216,7 +216,7 @@ static bool malidp500_in_config_mode(struct malidp_hw_device *hwdev)
{
u32 status;
- status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS);
+ status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS);
if ((status & MALIDP500_DC_CONFIG_REQ) == MALIDP500_DC_CONFIG_REQ)
return true;
@@ -407,7 +407,7 @@ static void malidp550_enter_config_mode(struct malidp_hw_device *hwdev)
malidp_hw_setbits(hwdev, MALIDP550_DC_CONFIG_REQ, MALIDP550_DC_CONTROL);
while (count) {
- status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS);
+ status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS);
if ((status & MALIDP550_DC_CONFIG_REQ) == MALIDP550_DC_CONFIG_REQ)
break;
/*
@@ -427,7 +427,7 @@ static void malidp550_leave_config_mode(struct malidp_hw_device *hwdev)
malidp_hw_clearbits(hwdev, MALIDP_CFG_VALID, MALIDP550_CONFIG_VALID);
malidp_hw_clearbits(hwdev, MALIDP550_DC_CONFIG_REQ, MALIDP550_DC_CONTROL);
while (count) {
- status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS);
+ status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS);
if ((status & MALIDP550_DC_CONFIG_REQ) == 0)
break;
usleep_range(100, 1000);
@@ -440,7 +440,7 @@ static bool malidp550_in_config_mode(struct malidp_hw_device *hwdev)
{
u32 status;
- status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS);
+ status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS);
if ((status & MALIDP550_DC_CONFIG_REQ) == MALIDP550_DC_CONFIG_REQ)
return true;
@@ -616,7 +616,7 @@ static int malidp650_query_hw(struct malidp_hw_device *hwdev)
return 0;
}
-const struct malidp_hw_device malidp_device[MALIDP_MAX_DEVICES] = {
+const struct malidp_hw malidp_device[MALIDP_MAX_DEVICES] = {
[MALIDP_500] = {
.map = {
.coeffs_base = MALIDP500_COEFFS_BASE,
@@ -751,7 +751,7 @@ static void malidp_hw_clear_irq(struct malidp_hw_device *hwdev, u8 block, u32 ir
{
u32 base = malidp_get_block_base(hwdev, block);
- if (hwdev->map.features & MALIDP_REGMAP_HAS_CLEARIRQ)
+ if (hwdev->hw->map.features & MALIDP_REGMAP_HAS_CLEARIRQ)
malidp_hw_write(hwdev, irq, base + MALIDP_REG_CLEARIRQ);
else
malidp_hw_write(hwdev, irq, base + MALIDP_REG_STATUS);
@@ -762,12 +762,14 @@ static irqreturn_t malidp_de_irq(int irq, void *arg)
struct drm_device *drm = arg;
struct malidp_drm *malidp = drm->dev_private;
struct malidp_hw_device *hwdev;
+ struct malidp_hw *hw;
const struct malidp_irq_map *de;
u32 status, mask, dc_status;
irqreturn_t ret = IRQ_NONE;
hwdev = malidp->dev;
- de = &hwdev->map.de_irq_map;
+ hw = hwdev->hw;
+ de = &hw->map.de_irq_map;
/*
* if we are suspended it is likely that we were invoked because
@@ -778,8 +780,8 @@ static irqreturn_t malidp_de_irq(int irq, void *arg)
return IRQ_NONE;
/* first handle the config valid IRQ */
- dc_status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS);
- if (dc_status & hwdev->map.dc_irq_map.vsync_irq) {
+ dc_status = malidp_hw_read(hwdev, hw->map.dc_base + MALIDP_REG_STATUS);
+ if (dc_status & hw->map.dc_irq_map.vsync_irq) {
/* we have a page flip event */
atomic_set(&malidp->config_valid, 1);
malidp_hw_clear_irq(hwdev, MALIDP_DC_BLOCK, dc_status);
@@ -832,11 +834,11 @@ int malidp_de_irq_init(struct drm_device *drm, int irq)
/* first enable the DC block IRQs */
malidp_hw_enable_irq(hwdev, MALIDP_DC_BLOCK,
- hwdev->map.dc_irq_map.irq_mask);
+ hwdev->hw->map.dc_irq_map.irq_mask);
/* now enable the DE block IRQs */
malidp_hw_enable_irq(hwdev, MALIDP_DE_BLOCK,
- hwdev->map.de_irq_map.irq_mask);
+ hwdev->hw->map.de_irq_map.irq_mask);
return 0;
}
@@ -847,9 +849,9 @@ void malidp_de_irq_fini(struct drm_device *drm)
struct malidp_hw_device *hwdev = malidp->dev;
malidp_hw_disable_irq(hwdev, MALIDP_DE_BLOCK,
- hwdev->map.de_irq_map.irq_mask);
+ hwdev->hw->map.de_irq_map.irq_mask);
malidp_hw_disable_irq(hwdev, MALIDP_DC_BLOCK,
- hwdev->map.dc_irq_map.irq_mask);
+ hwdev->hw->map.dc_irq_map.irq_mask);
}
static irqreturn_t malidp_se_irq(int irq, void *arg)
@@ -857,6 +859,8 @@ static irqreturn_t malidp_se_irq(int irq, void *arg)
struct drm_device *drm = arg;
struct malidp_drm *malidp = drm->dev_private;
struct malidp_hw_device *hwdev = malidp->dev;
+ struct malidp_hw *hw = hwdev->hw;
+ const struct malidp_irq_map *se = &hw->map.se_irq_map;
u32 status, mask;
/*
@@ -867,12 +871,12 @@ static irqreturn_t malidp_se_irq(int irq, void *arg)
if (hwdev->pm_suspended)
return IRQ_NONE;
- status = malidp_hw_read(hwdev, hwdev->map.se_base + MALIDP_REG_STATUS);
- if (!(status & hwdev->map.se_irq_map.irq_mask))
+ status = malidp_hw_read(hwdev, hw->map.se_base + MALIDP_REG_STATUS);
+ if (!(status & se->irq_mask))
return IRQ_NONE;
- mask = malidp_hw_read(hwdev, hwdev->map.se_base + MALIDP_REG_MASKIRQ);
- status = malidp_hw_read(hwdev, hwdev->map.se_base + MALIDP_REG_STATUS);
+ mask = malidp_hw_read(hwdev, hw->map.se_base + MALIDP_REG_MASKIRQ);
+ status = malidp_hw_read(hwdev, hw->map.se_base + MALIDP_REG_STATUS);
status &= mask;
/* ToDo: status decoding and firing up of VSYNC and page flip events */
@@ -905,7 +909,7 @@ int malidp_se_irq_init(struct drm_device *drm, int irq)
}
malidp_hw_enable_irq(hwdev, MALIDP_SE_BLOCK,
- hwdev->map.se_irq_map.irq_mask);
+ hwdev->hw->map.se_irq_map.irq_mask);
return 0;
}
@@ -916,5 +920,5 @@ void malidp_se_irq_fini(struct drm_device *drm)
struct malidp_hw_device *hwdev = malidp->dev;
malidp_hw_disable_irq(hwdev, MALIDP_SE_BLOCK,
- hwdev->map.se_irq_map.irq_mask);
+ hwdev->hw->map.se_irq_map.irq_mask);
}
diff --git a/drivers/gpu/drm/arm/malidp_hw.h b/drivers/gpu/drm/arm/malidp_hw.h
index 849ad9a30c3a..b0690ebb3565 100644
--- a/drivers/gpu/drm/arm/malidp_hw.h
+++ b/drivers/gpu/drm/arm/malidp_hw.h
@@ -120,18 +120,14 @@ struct malidp_hw_regmap {
/* Unlike DP550/650, DP500 has 3 stride registers in its video layer. */
#define MALIDP_DEVICE_LV_HAS_3_STRIDES BIT(0)
-struct malidp_hw_device {
- const struct malidp_hw_regmap map;
- void __iomem *regs;
+struct malidp_hw_device;
- /* APB clock */
- struct clk *pclk;
- /* AXI clock */
- struct clk *aclk;
- /* main clock for display core */
- struct clk *mclk;
- /* pixel clock for display core */
- struct clk *pxlclk;
+/*
+ * Static structure containing hardware specific data and pointers to
+ * functions that behave differently between various versions of the IP.
+ */
+struct malidp_hw {
+ const struct malidp_hw_regmap map;
/*
* Validate the driver instance against the hardware bits
@@ -182,15 +178,6 @@ struct malidp_hw_device {
struct videomode *vm);
u8 features;
-
- u8 min_line_size;
- u16 max_line_size;
-
- /* track the device PM state */
- bool pm_suspended;
-
- /* size of memory used for rotating layers, up to two banks available */
- u32 rotation_memory[2];
};
/* Supported variants of the hardware */
@@ -202,7 +189,33 @@ enum {
MALIDP_MAX_DEVICES
};
-extern const struct malidp_hw_device malidp_device[MALIDP_MAX_DEVICES];
+extern const struct malidp_hw malidp_device[MALIDP_MAX_DEVICES];
+
+/*
+ * Structure used by the driver during runtime operation.
+ */
+struct malidp_hw_device {
+ struct malidp_hw *hw;
+ void __iomem *regs;
+
+ /* APB clock */
+ struct clk *pclk;
+ /* AXI clock */
+ struct clk *aclk;
+ /* main clock for display core */
+ struct clk *mclk;
+ /* pixel clock for display core */
+ struct clk *pxlclk;
+
+ u8 min_line_size;
+ u16 max_line_size;
+
+ /* track the device PM state */
+ bool pm_suspended;
+
+ /* size of memory used for rotating layers, up to two banks available */
+ u32 rotation_memory[2];
+};
static inline u32 malidp_hw_read(struct malidp_hw_device *hwdev, u32 reg)
{
@@ -240,9 +253,9 @@ static inline u32 malidp_get_block_base(struct malidp_hw_device *hwdev,
{
switch (block) {
case MALIDP_SE_BLOCK:
- return hwdev->map.se_base;
+ return hwdev->hw->map.se_base;
case MALIDP_DC_BLOCK:
- return hwdev->map.dc_base;
+ return hwdev->hw->map.dc_base;
}
return 0;
@@ -275,7 +288,7 @@ u8 malidp_hw_get_format_id(const struct malidp_hw_regmap *map,
static inline bool malidp_hw_pitch_valid(struct malidp_hw_device *hwdev,
unsigned int pitch)
{
- return !(pitch & (hwdev->map.bus_align_bytes - 1));
+ return !(pitch & (hwdev->hw->map.bus_align_bytes - 1));
}
/* U16.16 */
@@ -308,8 +321,8 @@ static inline void malidp_se_set_enh_coeffs(struct malidp_hw_device *hwdev)
};
u32 val = MALIDP_SE_SET_ENH_LIMIT_LOW(MALIDP_SE_ENH_LOW_LEVEL) |
MALIDP_SE_SET_ENH_LIMIT_HIGH(MALIDP_SE_ENH_HIGH_LEVEL);
- u32 image_enh = hwdev->map.se_base +
- ((hwdev->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) ?
+ u32 image_enh = hwdev->hw->map.se_base +
+ ((hwdev->hw->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) ?
0x10 : 0xC) + MALIDP_SE_IMAGE_ENH;
u32 enh_coeffs = image_enh + MALIDP_SE_ENH_COEFF0;
int i;
diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 94e7e3fa3408..e7419797bbd1 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -57,7 +57,7 @@ static void malidp_de_plane_destroy(struct drm_plane *plane)
struct malidp_plane *mp = to_malidp_plane(plane);
if (mp->base.fb)
- drm_framebuffer_unreference(mp->base.fb);
+ drm_framebuffer_put(mp->base.fb);
drm_plane_helper_disable(plane);
drm_plane_cleanup(plane);
@@ -185,8 +185,9 @@ static int malidp_de_plane_check(struct drm_plane *plane,
fb = state->fb;
- ms->format = malidp_hw_get_format_id(&mp->hwdev->map, mp->layer->id,
- fb->format->format);
+ ms->format = malidp_hw_get_format_id(&mp->hwdev->hw->map,
+ mp->layer->id,
+ fb->format->format);
if (ms->format == MALIDP_INVALID_FORMAT_ID)
return -EINVAL;
@@ -211,7 +212,7 @@ static int malidp_de_plane_check(struct drm_plane *plane,
* third plane stride register.
*/
if (ms->n_planes == 3 &&
- !(mp->hwdev->features & MALIDP_DEVICE_LV_HAS_3_STRIDES) &&
+ !(mp->hwdev->hw->features & MALIDP_DEVICE_LV_HAS_3_STRIDES) &&
(state->fb->pitches[1] != state->fb->pitches[2]))
return -EINVAL;
@@ -229,9 +230,9 @@ static int malidp_de_plane_check(struct drm_plane *plane,
if (state->rotation & MALIDP_ROTATED_MASK) {
int val;
- val = mp->hwdev->rotmem_required(mp->hwdev, state->crtc_h,
- state->crtc_w,
- fb->format->format);
+ val = mp->hwdev->hw->rotmem_required(mp->hwdev, state->crtc_h,
+ state->crtc_w,
+ fb->format->format);
if (val < 0)
return val;
@@ -251,7 +252,7 @@ static void malidp_de_set_plane_pitches(struct malidp_plane *mp,
return;
if (num_planes == 3)
- num_strides = (mp->hwdev->features &
+ num_strides = (mp->hwdev->hw->features &
MALIDP_DEVICE_LV_HAS_3_STRIDES) ? 3 : 2;
for (i = 0; i < num_strides; ++i)
@@ -264,13 +265,11 @@ static void malidp_de_plane_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct malidp_plane *mp;
- const struct malidp_hw_regmap *map;
struct malidp_plane_state *ms = to_malidp_plane_state(plane->state);
u32 src_w, src_h, dest_w, dest_h, val;
int i;
mp = to_malidp_plane(plane);
- map = &mp->hwdev->map;
/* convert src values from Q16 fixed point to integer */
src_w = plane->state->src_w >> 16;
@@ -363,7 +362,7 @@ static const struct drm_plane_helper_funcs malidp_de_plane_helper_funcs = {
int malidp_de_planes_init(struct drm_device *drm)
{
struct malidp_drm *malidp = drm->dev_private;
- const struct malidp_hw_regmap *map = &malidp->dev->map;
+ const struct malidp_hw_regmap *map = &malidp->dev->hw->map;
struct malidp_plane *plane = NULL;
enum drm_plane_type plane_type;
unsigned long crtcs = 1 << drm->mode_config.num_crtc;
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h
index b4efcbabf7f7..d034b2cb5eee 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
@@ -372,9 +372,18 @@ struct adv7511 {
};
#ifdef CONFIG_DRM_I2C_ADV7511_CEC
-int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511,
- unsigned int offset);
+int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511);
void adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1);
+#else
+static inline int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511)
+{
+ unsigned int offset = adv7511->type == ADV7533 ?
+ ADV7533_REG_CEC_OFFSET : 0;
+
+ regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset,
+ ADV7511_CEC_CTRL_POWER_DOWN);
+ return 0;
+}
#endif
#ifdef CONFIG_DRM_I2C_ADV7533
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c b/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
index b33d730e4d73..a20a45c0b353 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
@@ -300,18 +300,21 @@ static int adv7511_cec_parse_dt(struct device *dev, struct adv7511 *adv7511)
return 0;
}
-int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511,
- unsigned int offset)
+int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511)
{
+ unsigned int offset = adv7511->type == ADV7533 ?
+ ADV7533_REG_CEC_OFFSET : 0;
int ret = adv7511_cec_parse_dt(dev, adv7511);
if (ret)
- return ret;
+ goto err_cec_parse_dt;
adv7511->cec_adap = cec_allocate_adapter(&adv7511_cec_adap_ops,
adv7511, dev_name(dev), CEC_CAP_DEFAULTS, ADV7511_MAX_ADDRS);
- if (IS_ERR(adv7511->cec_adap))
- return PTR_ERR(adv7511->cec_adap);
+ if (IS_ERR(adv7511->cec_adap)) {
+ ret = PTR_ERR(adv7511->cec_adap);
+ goto err_cec_alloc;
+ }
regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset, 0);
/* cec soft reset */
@@ -329,9 +332,18 @@ int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511,
((adv7511->cec_clk_freq / 750000) - 1) << 2);
ret = cec_register_adapter(adv7511->cec_adap, dev);
- if (ret) {
- cec_delete_adapter(adv7511->cec_adap);
- adv7511->cec_adap = NULL;
- }
- return ret;
+ if (ret)
+ goto err_cec_register;
+ return 0;
+
+err_cec_register:
+ cec_delete_adapter(adv7511->cec_adap);
+ adv7511->cec_adap = NULL;
+err_cec_alloc:
+ dev_info(dev, "Initializing CEC failed with error %d, disabling CEC\n",
+ ret);
+err_cec_parse_dt:
+ regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset,
+ ADV7511_CEC_CTRL_POWER_DOWN);
+ return ret == -EPROBE_DEFER ? ret : 0;
}
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index 0e14f1572d05..efa29db5fc2b 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -1084,7 +1084,6 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
struct device *dev = &i2c->dev;
unsigned int main_i2c_addr = i2c->addr << 1;
unsigned int edid_i2c_addr = main_i2c_addr + 4;
- unsigned int offset;
unsigned int val;
int ret;
@@ -1192,24 +1191,16 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
if (adv7511->type == ADV7511)
adv7511_set_link_config(adv7511, &link_config);
+ ret = adv7511_cec_init(dev, adv7511);
+ if (ret)
+ goto err_unregister_cec;
+
adv7511->bridge.funcs = &adv7511_bridge_funcs;
adv7511->bridge.of_node = dev->of_node;
drm_bridge_add(&adv7511->bridge);
adv7511_audio_init(dev, adv7511);
-
- offset = adv7511->type == ADV7533 ? ADV7533_REG_CEC_OFFSET : 0;
-
-#ifdef CONFIG_DRM_I2C_ADV7511_CEC
- ret = adv7511_cec_init(dev, adv7511, offset);
- if (ret)
- goto err_unregister_cec;
-#else
- regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset,
- ADV7511_CEC_CTRL_POWER_DOWN);
-#endif
-
return 0;
err_unregister_cec:
diff --git a/drivers/gpu/drm/bridge/lvds-encoder.c b/drivers/gpu/drm/bridge/lvds-encoder.c
index 0903ba574f61..75b0d3f6e4de 100644
--- a/drivers/gpu/drm/bridge/lvds-encoder.c
+++ b/drivers/gpu/drm/bridge/lvds-encoder.c
@@ -13,13 +13,37 @@
#include <linux/of_graph.h>
+struct lvds_encoder {
+ struct drm_bridge bridge;
+ struct drm_bridge *panel_bridge;
+};
+
+static int lvds_encoder_attach(struct drm_bridge *bridge)
+{
+ struct lvds_encoder *lvds_encoder = container_of(bridge,
+ struct lvds_encoder,
+ bridge);
+
+ return drm_bridge_attach(bridge->encoder, lvds_encoder->panel_bridge,
+ bridge);
+}
+
+static struct drm_bridge_funcs funcs = {
+ .attach = lvds_encoder_attach,
+};
+
static int lvds_encoder_probe(struct platform_device *pdev)
{
struct device_node *port;
struct device_node *endpoint;
struct device_node *panel_node;
struct drm_panel *panel;
- struct drm_bridge *bridge;
+ struct lvds_encoder *lvds_encoder;
+
+ lvds_encoder = devm_kzalloc(&pdev->dev, sizeof(*lvds_encoder),
+ GFP_KERNEL);
+ if (!lvds_encoder)
+ return -ENOMEM;
/* Locate the panel DT node. */
port = of_graph_get_port_by_id(pdev->dev.of_node, 1);
@@ -49,20 +73,30 @@ static int lvds_encoder_probe(struct platform_device *pdev)
return -EPROBE_DEFER;
}
- bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_LVDS);
- if (IS_ERR(bridge))
- return PTR_ERR(bridge);
+ lvds_encoder->panel_bridge =
+ devm_drm_panel_bridge_add(&pdev->dev,
+ panel, DRM_MODE_CONNECTOR_LVDS);
+ if (IS_ERR(lvds_encoder->panel_bridge))
+ return PTR_ERR(lvds_encoder->panel_bridge);
+
+ /* The panel_bridge bridge is attached to the panel's of_node,
+ * but we need a bridge attached to our of_node for our user
+ * to look up.
+ */
+ lvds_encoder->bridge.of_node = pdev->dev.of_node;
+ lvds_encoder->bridge.funcs = &funcs;
+ drm_bridge_add(&lvds_encoder->bridge);
- platform_set_drvdata(pdev, bridge);
+ platform_set_drvdata(pdev, lvds_encoder);
return 0;
}
static int lvds_encoder_remove(struct platform_device *pdev)
{
- struct drm_bridge *bridge = platform_get_drvdata(pdev);
+ struct lvds_encoder *lvds_encoder = platform_get_drvdata(pdev);
- drm_bridge_remove(bridge);
+ drm_bridge_remove(&lvds_encoder->bridge);
return 0;
}
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index bf14214fa464..b72259bf6e2f 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -138,6 +138,7 @@ struct dw_hdmi {
struct device *dev;
struct clk *isfr_clk;
struct clk *iahb_clk;
+ struct clk *cec_clk;
struct dw_hdmi_i2c *i2c;
struct hdmi_data_info hdmi_data;
@@ -2382,6 +2383,26 @@ __dw_hdmi_probe(struct platform_device *pdev,
goto err_isfr;
}
+ hdmi->cec_clk = devm_clk_get(hdmi->dev, "cec");
+ if (PTR_ERR(hdmi->cec_clk) == -ENOENT) {
+ hdmi->cec_clk = NULL;
+ } else if (IS_ERR(hdmi->cec_clk)) {
+ ret = PTR_ERR(hdmi->cec_clk);
+ if (ret != -EPROBE_DEFER)
+ dev_err(hdmi->dev, "Cannot get HDMI cec clock: %d\n",
+ ret);
+
+ hdmi->cec_clk = NULL;
+ goto err_iahb;
+ } else {
+ ret = clk_prepare_enable(hdmi->cec_clk);
+ if (ret) {
+ dev_err(hdmi->dev, "Cannot enable HDMI cec clock: %d\n",
+ ret);
+ goto err_iahb;
+ }
+ }
+
/* Product and revision IDs */
hdmi->version = (hdmi_readb(hdmi, HDMI_DESIGN_ID) << 8)
| (hdmi_readb(hdmi, HDMI_REVISION_ID) << 0);
@@ -2518,6 +2539,8 @@ err_iahb:
cec_notifier_put(hdmi->cec_notifier);
clk_disable_unprepare(hdmi->iahb_clk);
+ if (hdmi->cec_clk)
+ clk_disable_unprepare(hdmi->cec_clk);
err_isfr:
clk_disable_unprepare(hdmi->isfr_clk);
err_res:
@@ -2541,6 +2564,8 @@ static void __dw_hdmi_remove(struct dw_hdmi *hdmi)
clk_disable_unprepare(hdmi->iahb_clk);
clk_disable_unprepare(hdmi->isfr_clk);
+ if (hdmi->cec_clk)
+ clk_disable_unprepare(hdmi->cec_clk);
if (hdmi->i2c)
i2c_del_adapter(&hdmi->i2c->adap);
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 8571cfd877c5..8636e7eeb731 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -97,7 +97,7 @@
#define DP0_ACTIVEVAL 0x0650
#define DP0_SYNCVAL 0x0654
#define DP0_MISC 0x0658
-#define TU_SIZE_RECOMMENDED (0x3f << 16) /* LSCLK cycles per TU */
+#define TU_SIZE_RECOMMENDED (63) /* LSCLK cycles per TU */
#define BPC_6 (0 << 5)
#define BPC_8 (1 << 5)
@@ -318,7 +318,7 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux,
tmp = (tmp << 8) | buf[i];
i++;
if (((i % 4) == 0) || (i == size)) {
- tc_write(DP0_AUXWDATA(i >> 2), tmp);
+ tc_write(DP0_AUXWDATA((i - 1) >> 2), tmp);
tmp = 0;
}
}
@@ -603,8 +603,15 @@ static int tc_get_display_props(struct tc_data *tc)
ret = drm_dp_link_probe(&tc->aux, &tc->link.base);
if (ret < 0)
goto err_dpcd_read;
- if ((tc->link.base.rate != 162000) && (tc->link.base.rate != 270000))
- goto err_dpcd_inval;
+ if (tc->link.base.rate != 162000 && tc->link.base.rate != 270000) {
+ dev_dbg(tc->dev, "Falling to 2.7 Gbps rate\n");
+ tc->link.base.rate = 270000;
+ }
+
+ if (tc->link.base.num_lanes > 2) {
+ dev_dbg(tc->dev, "Falling to 2 lanes\n");
+ tc->link.base.num_lanes = 2;
+ }
ret = drm_dp_dpcd_readb(&tc->aux, DP_MAX_DOWNSPREAD, tmp);
if (ret < 0)
@@ -637,9 +644,6 @@ static int tc_get_display_props(struct tc_data *tc)
err_dpcd_read:
dev_err(tc->dev, "failed to read DPCD: %d\n", ret);
return ret;
-err_dpcd_inval:
- dev_err(tc->dev, "invalid DPCD\n");
- return -EINVAL;
}
static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
@@ -655,6 +659,14 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
int lower_margin = mode->vsync_start - mode->vdisplay;
int vsync_len = mode->vsync_end - mode->vsync_start;
+ /*
+ * Recommended maximum number of symbols transferred in a transfer unit:
+ * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size,
+ * (output active video bandwidth in bytes))
+ * Must be less than tu_size.
+ */
+ max_tu_symbol = TU_SIZE_RECOMMENDED - 1;
+
dev_dbg(tc->dev, "set mode %dx%d\n",
mode->hdisplay, mode->vdisplay);
dev_dbg(tc->dev, "H margin %d,%d sync %d\n",
@@ -664,13 +676,18 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
dev_dbg(tc->dev, "total: %dx%d\n", mode->htotal, mode->vtotal);
- /* LCD Ctl Frame Size */
- tc_write(VPCTRL0, (0x40 << 20) /* VSDELAY */ |
+ /*
+ * LCD Ctl Frame Size
+ * datasheet is not clear of vsdelay in case of DPI
+ * assume we do not need any delay when DPI is a source of
+ * sync signals
+ */
+ tc_write(VPCTRL0, (0 << 20) /* VSDELAY */ |
OPXLFMT_RGB888 | FRMSYNC_DISABLED | MSF_DISABLED);
- tc_write(HTIM01, (left_margin << 16) | /* H back porch */
- (hsync_len << 0)); /* Hsync */
- tc_write(HTIM02, (right_margin << 16) | /* H front porch */
- (mode->hdisplay << 0)); /* width */
+ tc_write(HTIM01, (ALIGN(left_margin, 2) << 16) | /* H back porch */
+ (ALIGN(hsync_len, 2) << 0)); /* Hsync */
+ tc_write(HTIM02, (ALIGN(right_margin, 2) << 16) | /* H front porch */
+ (ALIGN(mode->hdisplay, 2) << 0)); /* width */
tc_write(VTIM01, (upper_margin << 16) | /* V back porch */
(vsync_len << 0)); /* Vsync */
tc_write(VTIM02, (lower_margin << 16) | /* V front porch */
@@ -689,7 +706,7 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
/* DP Main Stream Attributes */
vid_sync_dly = hsync_len + left_margin + mode->hdisplay;
tc_write(DP0_VIDSYNCDELAY,
- (0x003e << 16) | /* thresh_dly */
+ (max_tu_symbol << 16) | /* thresh_dly */
(vid_sync_dly << 0));
tc_write(DP0_TOTALVAL, (mode->vtotal << 16) | (mode->htotal));
@@ -705,14 +722,8 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
tc_write(DPIPXLFMT, VS_POL_ACTIVE_LOW | HS_POL_ACTIVE_LOW |
DE_POL_ACTIVE_HIGH | SUB_CFG_TYPE_CONFIG1 | DPI_BPP_RGB888);
- /*
- * Recommended maximum number of symbols transferred in a transfer unit:
- * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size,
- * (output active video bandwidth in bytes))
- * Must be less than tu_size.
- */
- max_tu_symbol = TU_SIZE_RECOMMENDED - 1;
- tc_write(DP0_MISC, (max_tu_symbol << 23) | TU_SIZE_RECOMMENDED | BPC_8);
+ tc_write(DP0_MISC, (max_tu_symbol << 23) | (TU_SIZE_RECOMMENDED << 16) |
+ BPC_8);
return 0;
err:
@@ -808,8 +819,6 @@ static int tc_main_link_setup(struct tc_data *tc)
unsigned int rate;
u32 dp_phy_ctrl;
int timeout;
- bool aligned;
- bool ready;
u32 value;
int ret;
u8 tmp[8];
@@ -954,16 +963,15 @@ static int tc_main_link_setup(struct tc_data *tc)
ret = drm_dp_dpcd_read_link_status(aux, tmp + 2);
if (ret < 0)
goto err_dpcd_read;
- ready = (tmp[2] == ((DP_CHANNEL_EQ_BITS << 4) | /* Lane1 */
- DP_CHANNEL_EQ_BITS)); /* Lane0 */
- aligned = tmp[4] & DP_INTERLANE_ALIGN_DONE;
- } while ((--timeout) && !(ready && aligned));
+ } while ((--timeout) &&
+ !(drm_dp_channel_eq_ok(tmp + 2, tc->link.base.num_lanes)));
if (timeout == 0) {
/* Read DPCD 0x200-0x201 */
ret = drm_dp_dpcd_read(aux, DP_SINK_COUNT, tmp, 2);
if (ret < 0)
goto err_dpcd_read;
+ dev_err(dev, "channel(s) EQ not ok\n");
dev_info(dev, "0x0200 SINK_COUNT: 0x%02x\n", tmp[0]);
dev_info(dev, "0x0201 DEVICE_SERVICE_IRQ_VECTOR: 0x%02x\n",
tmp[1]);
@@ -974,10 +982,6 @@ static int tc_main_link_setup(struct tc_data *tc)
dev_info(dev, "0x0206 ADJUST_REQUEST_LANE0_1: 0x%02x\n",
tmp[6]);
- if (!ready)
- dev_err(dev, "Lane0/1 not ready\n");
- if (!aligned)
- dev_err(dev, "Lane0/1 not aligned\n");
return -EAGAIN;
}
@@ -1099,7 +1103,10 @@ static bool tc_bridge_mode_fixup(struct drm_bridge *bridge,
static int tc_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
- /* Accept any mode */
+ /* DPI interface clock limitation: upto 154 MHz */
+ if (mode->clock > 154000)
+ return MODE_CLOCK_HIGH;
+
return MODE_OK;
}
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 71d712f1b56a..b16f1d69a0bb 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1225,7 +1225,7 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,
return;
for_each_oldnew_crtc_in_state(old_state, crtc, old_crtc_state, new_crtc_state, i) {
- if (!new_crtc_state->active || !new_crtc_state->planes_changed)
+ if (!new_crtc_state->active)
continue;
ret = drm_crtc_vblank_get(crtc);
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 2e8fb51282ef..5dfe14763871 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -4831,7 +4831,8 @@ void
drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
const struct drm_display_mode *mode,
enum hdmi_quantization_range rgb_quant_range,
- bool rgb_quant_range_selectable)
+ bool rgb_quant_range_selectable,
+ bool is_hdmi2_sink)
{
/*
* CEA-861:
@@ -4855,8 +4856,15 @@ drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
* YQ-field to match the RGB Quantization Range being transmitted
* (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
* set YQ=1) and the Sink shall ignore the YQ-field."
+ *
+ * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
+ * by non-zero YQ when receiving RGB. There doesn't seem to be any
+ * good way to tell which version of CEA-861 the sink supports, so
+ * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
+ * on on CEA-861-F.
*/
- if (rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
+ if (!is_hdmi2_sink ||
+ rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
frame->ycc_quantization_range =
HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
else
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 07374008f146..e56166334455 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1809,6 +1809,10 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
if (crtc_count == 0 || sizes.fb_width == -1 || sizes.fb_height == -1) {
DRM_INFO("Cannot find any crtc or sizes\n");
+
+ /* First time: disable all crtc's.. */
+ if (!fb_helper->deferred_setup && !READ_ONCE(fb_helper->dev->master))
+ restore_fbdev_mode(fb_helper);
return -EAGAIN;
}
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index 19404e34cd59..37a93cdffb4a 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -1030,6 +1030,7 @@ retry:
e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
e->event.base.length = sizeof(e->event);
e->event.vbl.user_data = page_flip->user_data;
+ e->event.vbl.crtc_id = crtc->base.id;
ret = drm_event_reserve_init(dev, file_priv, &e->base, &e->event.base);
if (ret) {
kfree(e);
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index 701a3c6f1669..85d4c57870fb 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -1628,7 +1628,7 @@ static int perform_bb_shadow(struct parser_exec_state *s)
struct intel_shadow_bb_entry *entry_obj;
struct intel_vgpu *vgpu = s->vgpu;
unsigned long gma = 0;
- uint32_t bb_size;
+ int bb_size;
void *dst = NULL;
int ret = 0;
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index 3c318439a659..355120865efd 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -282,6 +282,7 @@ static void clean_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num)
static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num,
int type, unsigned int resolution)
{
+ struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
struct intel_vgpu_port *port = intel_vgpu_port(vgpu, port_num);
if (WARN_ON(resolution >= GVT_EDID_NUM))
@@ -307,6 +308,7 @@ static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num,
port->type = type;
emulate_monitor_status_change(vgpu);
+ vgpu_vreg(vgpu, PIPECONF(PIPE_A)) |= PIPECONF_ENABLE;
return 0;
}
diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index 4427be18e4a9..940cdaaa3f24 100644
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -496,6 +496,12 @@ static int prepare_execlist_workload(struct intel_vgpu_workload *workload)
goto err_unpin_mm;
}
+ ret = intel_gvt_generate_request(workload);
+ if (ret) {
+ gvt_vgpu_err("fail to generate request\n");
+ goto err_unpin_mm;
+ }
+
ret = prepare_shadow_batch_buffer(workload);
if (ret) {
gvt_vgpu_err("fail to prepare_shadow_batch_buffer\n");
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 2801d70579d8..8e331142badb 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -311,9 +311,9 @@ static inline int gtt_set_entry64(void *pt,
#define GTT_HAW 46
-#define ADDR_1G_MASK (((1UL << (GTT_HAW - 30 + 1)) - 1) << 30)
-#define ADDR_2M_MASK (((1UL << (GTT_HAW - 21 + 1)) - 1) << 21)
-#define ADDR_4K_MASK (((1UL << (GTT_HAW - 12 + 1)) - 1) << 12)
+#define ADDR_1G_MASK (((1UL << (GTT_HAW - 30)) - 1) << 30)
+#define ADDR_2M_MASK (((1UL << (GTT_HAW - 21)) - 1) << 21)
+#define ADDR_4K_MASK (((1UL << (GTT_HAW - 12)) - 1) << 12)
static unsigned long gen8_gtt_get_pfn(struct intel_gvt_gtt_entry *e)
{
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index a5bed2e71b92..44cd5ff5e97d 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -1381,40 +1381,6 @@ static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes);
}
-static int skl_misc_ctl_write(struct intel_vgpu *vgpu, unsigned int offset,
- void *p_data, unsigned int bytes)
-{
- struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
- u32 v = *(u32 *)p_data;
-
- if (!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv))
- return intel_vgpu_default_mmio_write(vgpu,
- offset, p_data, bytes);
-
- switch (offset) {
- case 0x4ddc:
- /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */
- vgpu_vreg(vgpu, offset) = v & ~(1 << 31);
- break;
- case 0x42080:
- /* bypass WaCompressedResourceDisplayNewHashMode */
- vgpu_vreg(vgpu, offset) = v & ~(1 << 15);
- break;
- case 0xe194:
- /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */
- vgpu_vreg(vgpu, offset) = v & ~(1 << 8);
- break;
- case 0x7014:
- /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */
- vgpu_vreg(vgpu, offset) = v & ~(1 << 13);
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset,
void *p_data, unsigned int bytes)
{
@@ -1671,8 +1637,8 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
- MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL,
- skl_misc_ctl_write);
+ MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
+ NULL, NULL);
MMIO_DFH(0x9030, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x20a0, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2420, D_ALL, F_CMD_ACCESS, NULL, NULL);
@@ -2564,8 +2530,7 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_D(0x6e570, D_BDW_PLUS);
MMIO_D(0x65f10, D_BDW_PLUS);
- MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL,
- skl_misc_ctl_write);
+ MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe188, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2580, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
@@ -2615,8 +2580,8 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
MMIO_DFH(GEN9_GAMT_ECO_REG_RW_IA, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
- MMIO_DH(0x4ddc, D_SKL_PLUS, NULL, skl_misc_ctl_write);
- MMIO_DH(0x42080, D_SKL_PLUS, NULL, skl_misc_ctl_write);
+ MMIO_DH(0x4ddc, D_SKL_PLUS, NULL, NULL);
+ MMIO_DH(0x42080, D_SKL_PLUS, NULL, NULL);
MMIO_D(0x45504, D_SKL_PLUS);
MMIO_D(0x45520, D_SKL_PLUS);
MMIO_D(0x46000, D_SKL_PLUS);
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index f6ded475bb2c..3ac1dc97a7a0 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -140,9 +140,10 @@ static int shadow_context_status_change(struct notifier_block *nb,
struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler;
enum intel_engine_id ring_id = req->engine->id;
struct intel_vgpu_workload *workload;
+ unsigned long flags;
if (!is_gvt_request(req)) {
- spin_lock_bh(&scheduler->mmio_context_lock);
+ spin_lock_irqsave(&scheduler->mmio_context_lock, flags);
if (action == INTEL_CONTEXT_SCHEDULE_IN &&
scheduler->engine_owner[ring_id]) {
/* Switch ring from vGPU to host. */
@@ -150,7 +151,7 @@ static int shadow_context_status_change(struct notifier_block *nb,
NULL, ring_id);
scheduler->engine_owner[ring_id] = NULL;
}
- spin_unlock_bh(&scheduler->mmio_context_lock);
+ spin_unlock_irqrestore(&scheduler->mmio_context_lock, flags);
return NOTIFY_OK;
}
@@ -161,7 +162,7 @@ static int shadow_context_status_change(struct notifier_block *nb,
switch (action) {
case INTEL_CONTEXT_SCHEDULE_IN:
- spin_lock_bh(&scheduler->mmio_context_lock);
+ spin_lock_irqsave(&scheduler->mmio_context_lock, flags);
if (workload->vgpu != scheduler->engine_owner[ring_id]) {
/* Switch ring from host to vGPU or vGPU to vGPU. */
intel_gvt_switch_mmio(scheduler->engine_owner[ring_id],
@@ -170,7 +171,7 @@ static int shadow_context_status_change(struct notifier_block *nb,
} else
gvt_dbg_sched("skip ring %d mmio switch for vgpu%d\n",
ring_id, workload->vgpu->id);
- spin_unlock_bh(&scheduler->mmio_context_lock);
+ spin_unlock_irqrestore(&scheduler->mmio_context_lock, flags);
atomic_set(&workload->shadow_ctx_active, 1);
break;
case INTEL_CONTEXT_SCHEDULE_OUT:
@@ -253,7 +254,6 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload)
struct i915_gem_context *shadow_ctx = workload->vgpu->shadow_ctx;
struct drm_i915_private *dev_priv = workload->vgpu->gvt->dev_priv;
struct intel_engine_cs *engine = dev_priv->engine[ring_id];
- struct drm_i915_gem_request *rq;
struct intel_vgpu *vgpu = workload->vgpu;
struct intel_ring *ring;
int ret;
@@ -299,6 +299,26 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload)
ret = populate_shadow_context(workload);
if (ret)
goto err_unpin;
+ workload->shadowed = true;
+ return 0;
+
+err_unpin:
+ engine->context_unpin(engine, shadow_ctx);
+err_shadow:
+ release_shadow_wa_ctx(&workload->wa_ctx);
+err_scan:
+ return ret;
+}
+
+int intel_gvt_generate_request(struct intel_vgpu_workload *workload)
+{
+ int ring_id = workload->ring_id;
+ struct drm_i915_private *dev_priv = workload->vgpu->gvt->dev_priv;
+ struct intel_engine_cs *engine = dev_priv->engine[ring_id];
+ struct drm_i915_gem_request *rq;
+ struct intel_vgpu *vgpu = workload->vgpu;
+ struct i915_gem_context *shadow_ctx = vgpu->shadow_ctx;
+ int ret;
rq = i915_gem_request_alloc(dev_priv->engine[ring_id], shadow_ctx);
if (IS_ERR(rq)) {
@@ -313,14 +333,11 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload)
ret = copy_workload_to_ring_buffer(workload);
if (ret)
goto err_unpin;
- workload->shadowed = true;
return 0;
err_unpin:
engine->context_unpin(engine, shadow_ctx);
-err_shadow:
release_shadow_wa_ctx(&workload->wa_ctx);
-err_scan:
return ret;
}
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h
index 2d694f6c0907..b9f872204d7e 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.h
+++ b/drivers/gpu/drm/i915/gvt/scheduler.h
@@ -142,4 +142,7 @@ int intel_vgpu_init_gvt_context(struct intel_vgpu *vgpu);
void intel_vgpu_clean_gvt_context(struct intel_vgpu *vgpu);
void release_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx);
+
+int intel_gvt_generate_request(struct intel_vgpu_workload *workload);
+
#endif
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 960d3d8b95b8..2cf10d17acfb 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1714,6 +1714,7 @@ static int i915_drm_resume(struct drm_device *dev)
intel_guc_resume(dev_priv);
intel_modeset_init_hw(dev);
+ intel_init_clock_gating(dev_priv);
spin_lock_irq(&dev_priv->irq_lock);
if (dev_priv->display.hpd_irq_setup)
@@ -2618,6 +2619,8 @@ static int intel_runtime_resume(struct device *kdev)
ret = vlv_resume_prepare(dev_priv, true);
}
+ intel_uncore_runtime_resume(dev_priv);
+
/*
* No point of rolling back things in case of an error, as the best
* we can do is to hope that things will still work (and disable RPM).
diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c
index 135fc750a837..382a77a1097e 100644
--- a/drivers/gpu/drm/i915/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/i915_gem_userptr.c
@@ -172,7 +172,9 @@ i915_mmu_notifier_create(struct mm_struct *mm)
spin_lock_init(&mn->lock);
mn->mn.ops = &i915_gem_userptr_notifier;
mn->objects = RB_ROOT_CACHED;
- mn->wq = alloc_workqueue("i915-userptr-release", WQ_UNBOUND, 0);
+ mn->wq = alloc_workqueue("i915-userptr-release",
+ WQ_UNBOUND | WQ_MEM_RECLAIM,
+ 0);
if (mn->wq == NULL) {
kfree(mn);
return ERR_PTR(-ENOMEM);
@@ -827,7 +829,7 @@ int i915_gem_init_userptr(struct drm_i915_private *dev_priv)
dev_priv->mm.userptr_wq =
alloc_workqueue("i915-userptr-acquire",
- WQ_HIGHPRI | WQ_MEM_RECLAIM,
+ WQ_HIGHPRI | WQ_UNBOUND,
0);
if (!dev_priv->mm.userptr_wq)
return -ENOMEM;
diff --git a/drivers/gpu/drm/i915/i915_gemfs.c b/drivers/gpu/drm/i915/i915_gemfs.c
index e2993857df37..888b7d3f04c3 100644
--- a/drivers/gpu/drm/i915/i915_gemfs.c
+++ b/drivers/gpu/drm/i915/i915_gemfs.c
@@ -52,7 +52,8 @@ int i915_gemfs_init(struct drm_i915_private *i915)
if (has_transparent_hugepage()) {
struct super_block *sb = gemfs->mnt_sb;
- char options[] = "huge=within_size";
+ /* FIXME: Disabled until we get W/A for read BW issue. */
+ char options[] = "huge=never";
int flags = 0;
int err;
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c
index 48e1ba01ccf8..5f8b9f1f40f1 100644
--- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
@@ -517,6 +517,7 @@ static void __intel_engine_remove_wait(struct intel_engine_cs *engine,
GEM_BUG_ON(RB_EMPTY_NODE(&wait->node));
rb_erase(&wait->node, &b->waiters);
+ RB_CLEAR_NODE(&wait->node);
out:
GEM_BUG_ON(b->irq_wait == wait);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 7bc60c848940..6c7f8bca574e 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1736,7 +1736,7 @@ extern struct drm_display_mode *intel_find_panel_downclock(
int intel_backlight_device_register(struct intel_connector *connector);
void intel_backlight_device_unregister(struct intel_connector *connector);
#else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
-static int intel_backlight_device_register(struct intel_connector *connector)
+static inline int intel_backlight_device_register(struct intel_connector *connector)
{
return 0;
}
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
index b8af35187d22..ea96682568e8 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -697,10 +697,8 @@ static void intel_fbdev_initial_config(void *data, async_cookie_t cookie)
/* Due to peculiar init order wrt to hpd handling this is separate. */
if (drm_fb_helper_initial_config(&ifbdev->helper,
- ifbdev->preferred_bpp)) {
+ ifbdev->preferred_bpp))
intel_fbdev_unregister(to_i915(ifbdev->helper.dev));
- intel_fbdev_fini(to_i915(ifbdev->helper.dev));
- }
}
void intel_fbdev_initial_config_async(struct drm_device *dev)
@@ -800,7 +798,11 @@ void intel_fbdev_output_poll_changed(struct drm_device *dev)
{
struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;
- if (ifbdev)
+ if (!ifbdev)
+ return;
+
+ intel_fbdev_sync(ifbdev);
+ if (ifbdev->vma)
drm_fb_helper_hotplug_event(&ifbdev->helper);
}
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 5132dc814788..4dea833f9d1b 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -487,7 +487,8 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
crtc_state->limited_color_range ?
HDMI_QUANTIZATION_RANGE_LIMITED :
HDMI_QUANTIZATION_RANGE_FULL,
- intel_hdmi->rgb_quant_range_selectable);
+ intel_hdmi->rgb_quant_range_selectable,
+ is_hdmi2_sink);
/* TODO: handle pixel repetition for YCBCR420 outputs */
intel_write_infoframe(encoder, crtc_state, &frame);
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index eb5827110d8f..49fdf09f9919 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -438,7 +438,9 @@ static bool
gmbus_is_index_read(struct i2c_msg *msgs, int i, int num)
{
return (i + 1 < num &&
- !(msgs[i].flags & I2C_M_RD) && msgs[i].len <= 2 &&
+ msgs[i].addr == msgs[i + 1].addr &&
+ !(msgs[i].flags & I2C_M_RD) &&
+ (msgs[i].len == 1 || msgs[i].len == 2) &&
(msgs[i + 1].flags & I2C_M_RD));
}
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 20e3c65c0999..8c2ce81f01c2 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -434,6 +434,12 @@ void intel_uncore_resume_early(struct drm_i915_private *dev_priv)
i915_check_and_clear_faults(dev_priv);
}
+void intel_uncore_runtime_resume(struct drm_i915_private *dev_priv)
+{
+ iosf_mbi_register_pmic_bus_access_notifier(
+ &dev_priv->uncore.pmic_bus_access_nb);
+}
+
void intel_uncore_sanitize(struct drm_i915_private *dev_priv)
{
i915_modparams.enable_rc6 =
@@ -1240,8 +1246,15 @@ static int i915_pmic_bus_access_notifier(struct notifier_block *nb,
* bus, which will be busy after this notification, leading to:
* "render: timed out waiting for forcewake ack request."
* errors.
+ *
+ * The notifier is unregistered during intel_runtime_suspend(),
+ * so it's ok to access the HW here without holding a RPM
+ * wake reference -> disable wakeref asserts for the time of
+ * the access.
*/
+ disable_rpm_wakeref_asserts(dev_priv);
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
+ enable_rpm_wakeref_asserts(dev_priv);
break;
case MBI_PMIC_BUS_ACCESS_END:
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h
index 582771251b57..9ce079b5dd0d 100644
--- a/drivers/gpu/drm/i915/intel_uncore.h
+++ b/drivers/gpu/drm/i915/intel_uncore.h
@@ -134,6 +134,7 @@ bool intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv
void intel_uncore_fini(struct drm_i915_private *dev_priv);
void intel_uncore_suspend(struct drm_i915_private *dev_priv);
void intel_uncore_resume_early(struct drm_i915_private *dev_priv);
+void intel_uncore_runtime_resume(struct drm_i915_private *dev_priv);
u64 intel_uncore_edram_size(struct drm_i915_private *dev_priv);
void assert_forcewakes_inactive(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 93c7e3f9b4a8..17d2f3a1c562 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -133,9 +133,16 @@ static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state)
plane_disabling = true;
}
- if (plane_disabling) {
- drm_atomic_helper_wait_for_vblanks(dev, state);
+ /*
+ * The flip done wait is only strictly required by imx-drm if a deferred
+ * plane disable is in-flight. As the core requires blocking commits
+ * to wait for the flip it is done here unconditionally. This keeps the
+ * workitem around a bit longer than required for the majority of
+ * non-blocking commits, but we accept that for the sake of simplicity.
+ */
+ drm_atomic_helper_wait_for_flip_done(dev, state);
+ if (plane_disabling) {
for_each_old_plane_in_state(state, plane, old_plane_state, i)
ipu_plane_disable_deferred(plane);
diff --git a/drivers/gpu/drm/omapdrm/displays/Kconfig b/drivers/gpu/drm/omapdrm/displays/Kconfig
index c226da145fb3..a349cb61961e 100644
--- a/drivers/gpu/drm/omapdrm/displays/Kconfig
+++ b/drivers/gpu/drm/omapdrm/displays/Kconfig
@@ -35,6 +35,7 @@ config DRM_OMAP_CONNECTOR_ANALOG_TV
config DRM_OMAP_PANEL_DPI
tristate "Generic DPI panel"
+ depends on BACKLIGHT_CLASS_DEVICE
help
Driver for generic DPI panels.
diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c
index daf286fc8a40..ca1e3b489540 100644
--- a/drivers/gpu/drm/omapdrm/dss/dpi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dpi.c
@@ -566,8 +566,8 @@ static int dpi_verify_pll(struct dss_pll *pll)
}
static const struct soc_device_attribute dpi_soc_devices[] = {
- { .family = "OMAP3[456]*" },
- { .family = "[AD]M37*" },
+ { .machine = "OMAP3[456]*" },
+ { .machine = "[AD]M37*" },
{ /* sentinel */ }
};
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c
index d86873f2abe6..e626eddf24d5 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c
@@ -352,7 +352,7 @@ int hdmi4_cec_init(struct platform_device *pdev, struct hdmi_core_data *core,
{
const u32 caps = CEC_CAP_TRANSMIT | CEC_CAP_LOG_ADDRS |
CEC_CAP_PASSTHROUGH | CEC_CAP_RC;
- unsigned int ret;
+ int ret;
core->adap = cec_allocate_adapter(&hdmi_cec_adap_ops, core,
"omap4", caps, CEC_MAX_LOG_ADDRS);
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c
index 62e451162d96..b06f9956e733 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c
@@ -886,25 +886,36 @@ struct hdmi4_features {
bool audio_use_mclk;
};
-static const struct hdmi4_features hdmi4_es1_features = {
+static const struct hdmi4_features hdmi4430_es1_features = {
.cts_swmode = false,
.audio_use_mclk = false,
};
-static const struct hdmi4_features hdmi4_es2_features = {
+static const struct hdmi4_features hdmi4430_es2_features = {
.cts_swmode = true,
.audio_use_mclk = false,
};
-static const struct hdmi4_features hdmi4_es3_features = {
+static const struct hdmi4_features hdmi4_features = {
.cts_swmode = true,
.audio_use_mclk = true,
};
static const struct soc_device_attribute hdmi4_soc_devices[] = {
- { .family = "OMAP4", .revision = "ES1.?", .data = &hdmi4_es1_features },
- { .family = "OMAP4", .revision = "ES2.?", .data = &hdmi4_es2_features },
- { .family = "OMAP4", .data = &hdmi4_es3_features },
+ {
+ .machine = "OMAP4430",
+ .revision = "ES1.?",
+ .data = &hdmi4430_es1_features,
+ },
+ {
+ .machine = "OMAP4430",
+ .revision = "ES2.?",
+ .data = &hdmi4430_es2_features,
+ },
+ {
+ .family = "OMAP4",
+ .data = &hdmi4_features,
+ },
{ /* sentinel */ }
};
diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index 1dd3dafc59af..c60a85e82c6d 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -638,7 +638,8 @@ static int omap_dmm_probe(struct platform_device *dev)
match = of_match_node(dmm_of_match, dev->dev.of_node);
if (!match) {
dev_err(&dev->dev, "failed to find matching device node\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto fail;
}
omap_dmm->plat_data = match->data;
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
index b15755b6129c..b1fe0639227e 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -1285,8 +1285,6 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
goto err_pllref;
}
- pm_runtime_enable(dev);
-
dsi->dsi_host.ops = &dw_mipi_dsi_host_ops;
dsi->dsi_host.dev = dev;
ret = mipi_dsi_host_register(&dsi->dsi_host);
@@ -1301,6 +1299,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
}
dev_set_drvdata(dev, dsi);
+ pm_runtime_enable(dev);
return 0;
err_mipi_dsi_host:
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index 6d48ccca0b38..8d7172e8381d 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -744,12 +744,14 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- for (j = 0; j < HPAGE_PMD_NR; ++j)
- if (p++ != pages[i + j])
- break;
+ if (!(flags & TTM_PAGE_FLAG_DMA32)) {
+ for (j = 0; j < HPAGE_PMD_NR; ++j)
+ if (p++ != pages[i + j])
+ break;
- if (j == HPAGE_PMD_NR)
- order = HPAGE_PMD_ORDER;
+ if (j == HPAGE_PMD_NR)
+ order = HPAGE_PMD_ORDER;
+ }
#endif
if (page_count(pages[i]) != 1)
@@ -865,20 +867,22 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags,
i = 0;
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- while (npages >= HPAGE_PMD_NR) {
- gfp_t huge_flags = gfp_flags;
+ if (!(gfp_flags & GFP_DMA32)) {
+ while (npages >= HPAGE_PMD_NR) {
+ gfp_t huge_flags = gfp_flags;
- huge_flags |= GFP_TRANSHUGE;
- huge_flags &= ~__GFP_MOVABLE;
- huge_flags &= ~__GFP_COMP;
- p = alloc_pages(huge_flags, HPAGE_PMD_ORDER);
- if (!p)
- break;
+ huge_flags |= GFP_TRANSHUGE;
+ huge_flags &= ~__GFP_MOVABLE;
+ huge_flags &= ~__GFP_COMP;
+ p = alloc_pages(huge_flags, HPAGE_PMD_ORDER);
+ if (!p)
+ break;
- for (j = 0; j < HPAGE_PMD_NR; ++j)
- pages[i++] = p++;
+ for (j = 0; j < HPAGE_PMD_NR; ++j)
+ pages[i++] = p++;
- npages -= HPAGE_PMD_NR;
+ npages -= HPAGE_PMD_NR;
+ }
}
#endif
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index fa37a1c07cf6..0b2088264039 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -424,7 +424,8 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
vc4_encoder->limited_rgb_range ?
HDMI_QUANTIZATION_RANGE_LIMITED :
HDMI_QUANTIZATION_RANGE_FULL,
- vc4_encoder->rgb_range_selectable);
+ vc4_encoder->rgb_range_selectable,
+ false);
vc4_hdmi_write_infoframe(encoder, &frame);
}
diff --git a/drivers/gpu/drm/vc4/vc4_irq.c b/drivers/gpu/drm/vc4/vc4_irq.c
index 7d7af3a93d94..61b2e5377993 100644
--- a/drivers/gpu/drm/vc4/vc4_irq.c
+++ b/drivers/gpu/drm/vc4/vc4_irq.c
@@ -208,6 +208,9 @@ vc4_irq_postinstall(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
+ /* Undo the effects of a previous vc4_irq_uninstall. */
+ enable_irq(dev->irq);
+
/* Enable both the render done and out of memory interrupts. */
V3D_WRITE(V3D_INTENA, V3D_DRIVER_IRQS);
@@ -225,6 +228,9 @@ vc4_irq_uninstall(struct drm_device *dev)
/* Clear any pending interrupts we might have left. */
V3D_WRITE(V3D_INTCTL, V3D_DRIVER_IRQS);
+ /* Finish any interrupt handler still in flight. */
+ disable_irq(dev->irq);
+
cancel_work_sync(&vc4->overflow_mem_work);
}