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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-05-18 22:47:38 +0300
committerDave Airlie <airlied@redhat.com>2016-05-21 00:03:31 +0300
commitfcee59065e58498682c60069cc6fb90694bab27e (patch)
treebea115621d1291a80d6bb57c2af3a36e366b84f5 /drivers/gpu/drm
parentfc7fedc20b7c819b9ef003afa16a64dc9e5ac30e (diff)
downloadlinux-fcee59065e58498682c60069cc6fb90694bab27e.tar.xz
drm: Nuke ->vblank_disable_allowed
This was added in commit 0a3e67a4caac273a3bfc4ced3da364830b1ab241 Author: Jesse Barnes <jbarnes@virtuousgeek.org> Date: Tue Sep 30 12:14:26 2008 -0700 drm: Rework vblank-wait handling to allow interrupt reduction. to stay backwards-compatible with old UMS code that didn't even tell the kernel when it did a modeset, so that the kernel could save/restore vblank counters. At worst this means vblanks will be somewhat funky on a setup that very likely no one still runs. So let's just nuke it. Plan B would be to set it unconditionally in drm_vblank_init for kms drivers, instead of in each driver separately. So if this patch breaks anything please only restore the hunks in drmP.h and drm_irq.c, plus add a check for DRIVER_MODESET in drm_vblank_init. Stumbled over this in a discussion on irc with Chris. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Eric Anholt <eric@anholt.net> Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Cc: Inki Dae <inki.dae@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Mark Yao <mark.yao@rock-chips.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c1
-rw-r--r--drivers/gpu/drm/arm/hdlcd_drv.c1
-rw-r--r--drivers/gpu/drm/armada/armada_drv.c1
-rw-r--r--drivers/gpu/drm/drm_irq.c6
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.c7
-rw-r--r--drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c1
-rw-r--r--drivers/gpu/drm/gma500/psb_drv.c1
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c3
-rw-r--r--drivers/gpu/drm/imx/imx-drm-core.c7
-rw-r--r--drivers/gpu/drm/radeon/radeon_irq_kms.c1
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_drv.c7
-rw-r--r--drivers/gpu/drm/tegra/drm.c1
-rw-r--r--drivers/gpu/drm/vc4/vc4_kms.c2
13 files changed, 0 insertions, 39 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 9266c7b69808..835a3fa8d8df 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -219,7 +219,6 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
if (r) {
return r;
}
- adev->ddev->vblank_disable_allowed = true;
/* enable msi */
adev->irq.msi_enabled = false;
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index 734899c4e4bb..b987c63ba8d6 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -379,7 +379,6 @@ static int hdlcd_drm_bind(struct device *dev)
DRM_ERROR("failed to initialise vblank\n");
goto err_vblank;
}
- drm->vblank_disable_allowed = true;
drm_mode_config_reset(drm);
drm_kms_helper_poll_init(drm);
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index 82043c204b76..439824a61aa5 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -113,7 +113,6 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags)
goto err_comp;
dev->irq_enabled = true;
- dev->vblank_disable_allowed = 1;
ret = armada_fbdev_init(dev);
if (ret)
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 3c1a6f18e71c..0fac801c18fe 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -348,9 +348,6 @@ static void vblank_disable_fn(unsigned long arg)
unsigned int pipe = vblank->pipe;
unsigned long irqflags;
- if (!dev->vblank_disable_allowed)
- return;
-
spin_lock_irqsave(&dev->vbl_lock, irqflags);
if (atomic_read(&vblank->refcount) == 0 && vblank->enabled) {
DRM_DEBUG("disabling vblank on crtc %u\n", pipe);
@@ -437,8 +434,6 @@ int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs)
"get_vblank_timestamp == NULL\n");
}
- dev->vblank_disable_allowed = false;
-
return 0;
err:
@@ -1585,7 +1580,6 @@ void drm_vblank_post_modeset(struct drm_device *dev, unsigned int pipe)
if (vblank->inmodeset) {
spin_lock_irqsave(&dev->vbl_lock, irqflags);
- dev->vblank_disable_allowed = true;
drm_reset_vblank_timestamp(dev, pipe);
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 21c719e8e02b..2dd820e23b0c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -212,13 +212,6 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
*/
dev->irq_enabled = true;
- /*
- * with vblank_disable_allowed = true, vblank interrupt will be disabled
- * by drm timer once a current process gives up ownership of
- * vblank event.(after drm_vblank_put function is called)
- */
- dev->vblank_disable_allowed = true;
-
/* init kms poll for handling hpd */
drm_kms_helper_poll_init(dev);
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
index 44f6f262d75a..0ec1ad961e0d 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
@@ -80,7 +80,6 @@ static int fsl_dcu_load(struct drm_device *dev, unsigned long flags)
dev_err(dev->dev, "failed to initialize vblank\n");
goto done;
}
- dev->vblank_disable_allowed = true;
ret = fsl_dcu_drm_irq_init(dev);
if (ret < 0)
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index 4e1c6850520e..82b8ce418b27 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -374,7 +374,6 @@ static int psb_driver_load(struct drm_device *dev, unsigned long flags)
drm_irq_install(dev, dev->pdev->irq);
- dev->vblank_disable_allowed = true;
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
dev->driver->get_vblank_counter = psb_get_vblank_counter;
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 5c7615041b31..15615fb9bde6 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -476,9 +476,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
intel_modeset_gem_init(dev);
- /* Always safe in the mode setting case. */
- /* FIXME: do pre/post-mode set stuff in core KMS code */
- dev->vblank_disable_allowed = true;
if (INTEL_INFO(dev)->num_pipes == 0)
return 0;
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 2453fb1c68a7..1080019e7b17 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -252,13 +252,6 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags)
if (ret)
goto err_kms;
- /*
- * with vblank_disable_allowed = true, vblank interrupt will be
- * disabled by drm timer once a current process gives up ownership
- * of vblank event. (after drm_vblank_put function is called)
- */
- drm->vblank_disable_allowed = true;
-
platform_set_drvdata(drm->platformdev, drm);
/* Now try and bind all our sub-components */
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 1e9304d1c88f..c084cadcbf21 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -291,7 +291,6 @@ int radeon_irq_kms_init(struct radeon_device *rdev)
if (r) {
return r;
}
- rdev->ddev->vblank_disable_allowed = true;
/* enable msi */
rdev->msi_enabled = 0;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index 399adf3c4224..a409d1f703cb 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -216,13 +216,6 @@ static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags)
if (ret)
goto err_kms_helper_poll_fini;
- /*
- * with vblank_disable_allowed = true, vblank interrupt will be disabled
- * by drm timer once a current process gives up ownership of
- * vblank event.(after drm_vblank_put function is called)
- */
- drm_dev->vblank_disable_allowed = true;
-
drm_mode_config_reset(drm_dev);
ret = rockchip_drm_fbdev_init(drm_dev);
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 679905544181..b59c3bf0df44 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -180,7 +180,6 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags)
/* syncpoints are used for full 32-bit hardware VBLANK counters */
drm->max_vblank_count = 0xffffffff;
- drm->vblank_disable_allowed = true;
err = drm_vblank_init(drm, drm->mode_config.num_crtc);
if (err < 0)
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index d423ba10239a..cb37751bc99f 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -207,8 +207,6 @@ int vc4_kms_load(struct drm_device *dev)
dev->mode_config.preferred_depth = 24;
dev->mode_config.async_page_flip = true;
- dev->vblank_disable_allowed = true;
-
drm_mode_config_reset(dev);
vc4->fbdev = drm_fbdev_cma_init(dev, 32,