No such luck.
The patch I used (against 4.11-rc4) is attached.
The error was:
SHIPPED arch/arm/boot/compressed/bswapsdi2.S
AS arch/arm/boot/compressed/bswapsdi2.o
LD arch/arm/boot/compressed/vmlinux
OBJCOPY arch/arm/boot/zImage
Kernel: arch/arm/boot/zImage is ready
Building modules, stage 2.
MODPOST 3341 modules
ERROR: "ipu_plane_disable_deferred" [drivers/gpu/drm/imx/imxdrm.ko] undefined!
make[1]: *** [scripts/Makefile.modpost:91: __modpost] Error 1
make: *** [Makefile:1200: modules] Error 2
==> ERROR: A failure occurred in build().
Aborting...
On Sat, Apr 1, 2017 at 1:26 AM, Dan MacDonald <allcoms@xxxxxxxxx> wrote:
> Thanks Russell!
>
> I think the patch has applied OK - I've just started the build so it
> could be a while yet. 12 hours maybe? Its building support for every
> arm7 thing under the sun because I'm too lazy (sensible?) to try
> hacking it down to size.
>
> Adding the patch to the Arch rc kernel PKGBUILD was as simple as
> adding the name of the patch to the source() section, adding a
> corresponding 'SKIP' to the end of the md5sums() section and then
> adding:
>
> git apply ../sabre-lite.patch
>
> to the prepare() section of the PKGBUILD. I copied the patch into the
> same dir as the PKGBUILD and then ran:
>
> $ makepkg
>
> In the same dir as the kernel PKGBUILD and patches.
>
> Results at last! :D
>
> On Fri, Mar 31, 2017 at 3:15 PM, Russell King - ARM Linux
> <linux@xxxxxxxxxxxxxxx> wrote:
>> On Fri, Mar 31, 2017 at 02:36:31PM +0100, Dan MacDonald wrote:
>>> Hi all
>>>
>>> Up until now I've only ever used the most basic features of git, so
>>> I've had to do some research into how to best/cleanly extract
>>> Phillipps patches so that I can include his changes into an Arch
>>> kernel PKGBUILD.
>>>
>>> I think the following should work:
>>>
>>> git clone https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>> cd linux
>>> git fetch https://git.pengutronix.de/git/pza/linux.git
>>> tags/v4.10-ipu-dp-plane-fix
>>> git checkout FETCH_HEAD
>>> git whatchanged -p origin/master..FETCH_HEAD > sabre-lite.patch
>>
>> I don't think that will work, because it'll output the changes as
>> individual patches in reverse order (newest first) which will be
>> no good when trying to feed it into patch or git apply.
>>
>> I think what you instead want is:
>>
>> git diff origin/master...FETCH_HEAD > sabre-lite.patch
>>
>> which will be the changes that are in FETCH_HEAD that aren't in
>> origin/master as a single patch.
>>
>>> I should then be able to include that patch in a 4.11-rc4 PKGBUILD -
>>> I'll give it a go this weekend and see if it applies and builds OK but
>>> please let me know if anyone sees any flaws in this procedure.
>>
>> Thanks - one of the issues is that not everyone knows the details of
>> distribution package build systems (each distro seems to have their
>> own unique way of building and packaging stuff.)
>>
>> --
>> RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
>> FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
>> according to speedtest.net.
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 33404295b447..b07499214c72 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -30,6 +30,7 @@
#include <video/imx-ipu-v3.h>
#include "imx-drm.h"
+#include "ipuv3-plane.h"
#define MAX_CRTC 4
@@ -160,6 +161,9 @@ static const struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state)
{
struct drm_device *dev = state->dev;
+ struct drm_plane *plane;
+ struct drm_plane_state *plane_state;
+ int i;
drm_atomic_helper_commit_modeset_disables(dev, state);
@@ -169,10 +173,13 @@ static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state)
drm_atomic_helper_commit_modeset_enables(dev, state);
- drm_atomic_helper_commit_hw_done(state);
-
drm_atomic_helper_wait_for_vblanks(dev, state);
+ for_each_plane_in_state(state, plane, plane_state, i)
+ ipu_plane_disable_deferred(plane);
+
+ drm_atomic_helper_commit_hw_done(state);
+
drm_atomic_helper_cleanup_planes(dev, state);
}
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index 6be515a9fb69..0f15f11f26e0 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -60,6 +60,26 @@ static void ipu_crtc_enable(struct drm_crtc *crtc)
ipu_di_enable(ipu_crtc->di);
}
+static void ipu_crtc_disable_planes(struct ipu_crtc *ipu_crtc,
+ struct drm_crtc_state *old_crtc_state)
+{
+ bool disable_partial = false;
+ bool disable_full = false;
+ struct drm_plane *plane;
+
+ drm_atomic_crtc_state_for_each_plane(plane, old_crtc_state) {
+ if (plane == &ipu_crtc->plane[0]->base)
+ disable_full = true;
+ if (&ipu_crtc->plane[1] && plane == &ipu_crtc->plane[1]->base)
+ disable_partial = true;
+ }
+
+ if (disable_partial)
+ ipu_plane_disable(ipu_crtc->plane[1], true);
+ if (disable_full)
+ ipu_plane_disable(ipu_crtc->plane[0], false);
+}
+
static void ipu_crtc_atomic_disable(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
{
@@ -73,7 +93,7 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc,
* attached IDMACs will be left in undefined state, possibly hanging
* the IPU or even system.
*/
- drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false);
+ ipu_crtc_disable_planes(ipu_crtc, old_crtc_state);
ipu_dc_disable(ipu);
spin_lock_irq(&crtc->dev->event_lock);
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index e74a0ad52950..ec4f86295184 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -172,22 +172,28 @@ static void ipu_plane_enable(struct ipu_plane *ipu_plane)
ipu_dp_enable_channel(ipu_plane->dp);
}
-static int ipu_disable_plane(struct drm_plane *plane)
+void ipu_plane_disable(struct ipu_plane *ipu_plane, bool disable_dp_channel)
{
- struct ipu_plane *ipu_plane = to_ipu_plane(plane);
-
DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
ipu_idmac_wait_busy(ipu_plane->ipu_ch, 50);
- if (ipu_plane->dp)
- ipu_dp_disable_channel(ipu_plane->dp);
+ if (ipu_plane->dp && disable_dp_channel)
+ ipu_dp_disable_channel(ipu_plane->dp, false);
ipu_idmac_disable_channel(ipu_plane->ipu_ch);
ipu_dmfc_disable_channel(ipu_plane->dmfc);
if (ipu_plane->dp)
ipu_dp_disable(ipu_plane->ipu);
+}
- return 0;
+void ipu_plane_disable_deferred(struct drm_plane *plane)
+{
+ struct ipu_plane *ipu_plane = to_ipu_plane(plane);
+
+ if (ipu_plane->disabling) {
+ ipu_plane->disabling = false;
+ ipu_plane_disable(ipu_plane, false);
+ }
}
static void ipu_plane_destroy(struct drm_plane *plane)
@@ -361,7 +367,11 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
static void ipu_plane_atomic_disable(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
- ipu_disable_plane(plane);
+ struct ipu_plane *ipu_plane = to_ipu_plane(plane);
+
+ if (ipu_plane->dp)
+ ipu_dp_disable_channel(ipu_plane->dp, true);
+ ipu_plane->disabling = true;
}
static void ipu_plane_atomic_update(struct drm_plane *plane,
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.h b/drivers/gpu/drm/imx/ipuv3-plane.h
index 338b88a74eb6..0e2a723ff981 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.h
+++ b/drivers/gpu/drm/imx/ipuv3-plane.h
@@ -23,6 +23,8 @@ struct ipu_plane {
int dma;
int dp_flow;
+
+ bool disabling;
};
struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu,
@@ -42,4 +44,7 @@ void ipu_plane_put_resources(struct ipu_plane *plane);
int ipu_plane_irq(struct ipu_plane *plane);
+void ipu_plane_disable(struct ipu_plane *ipu_plane, bool disable_dp_channel);
+void ipu_plane_disable_deferred(struct drm_plane *plane);
+
#endif
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 97218af4fe75..b020d97e7699 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -51,15 +51,17 @@ int ipu_get_num(struct ipu_soc *ipu)
}
EXPORT_SYMBOL_GPL(ipu_get_num);
-void ipu_srm_dp_sync_update(struct ipu_soc *ipu)
+void ipu_srm_dp_update(struct ipu_soc *ipu, bool sync)
{
u32 val;
val = ipu_cm_read(ipu, IPU_SRM_PRI2);
- val |= 0x8;
+ val &= ~DP_S_SRM_MODE_MASK;
+ val |= sync ? DP_S_SRM_MODE_NEXT_FRAME :
+ DP_S_SRM_MODE_NOW;
ipu_cm_write(ipu, val, IPU_SRM_PRI2);
}
-EXPORT_SYMBOL_GPL(ipu_srm_dp_sync_update);
+EXPORT_SYMBOL_GPL(ipu_srm_dp_update);
enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc)
{
diff --git a/drivers/gpu/ipu-v3/ipu-dc.c b/drivers/gpu/ipu-v3/ipu-dc.c
index 659475c1e44a..7a4b8362dda8 100644
--- a/drivers/gpu/ipu-v3/ipu-dc.c
+++ b/drivers/gpu/ipu-v3/ipu-dc.c
@@ -112,8 +112,6 @@ struct ipu_dc_priv {
struct ipu_dc channels[IPU_DC_NUM_CHANNELS];
struct mutex mutex;
struct completion comp;
- int dc_irq;
- int dp_irq;
int use_count;
};
@@ -262,47 +260,13 @@ void ipu_dc_enable_channel(struct ipu_dc *dc)
}
EXPORT_SYMBOL_GPL(ipu_dc_enable_channel);
-static irqreturn_t dc_irq_handler(int irq, void *dev_id)
-{
- struct ipu_dc *dc = dev_id;
- u32 reg;
-
- reg = readl(dc->base + DC_WR_CH_CONF);
- reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
- writel(reg, dc->base + DC_WR_CH_CONF);
-
- /* The Freescale BSP kernel clears DIx_COUNTER_RELEASE here */
-
- complete(&dc->priv->comp);
- return IRQ_HANDLED;
-}
-
void ipu_dc_disable_channel(struct ipu_dc *dc)
{
- struct ipu_dc_priv *priv = dc->priv;
- int irq;
- unsigned long ret;
u32 val;
- /* TODO: Handle MEM_FG_SYNC differently from MEM_BG_SYNC */
- if (dc->chno == 1)
- irq = priv->dc_irq;
- else if (dc->chno == 5)
- irq = priv->dp_irq;
- else
- return;
-
- init_completion(&priv->comp);
- enable_irq(irq);
- ret = wait_for_completion_timeout(&priv->comp, msecs_to_jiffies(50));
- disable_irq(irq);
- if (ret == 0) {
- dev_warn(priv->dev, "DC stop timeout after 50 ms\n");
-
- val = readl(dc->base + DC_WR_CH_CONF);
- val &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
- writel(val, dc->base + DC_WR_CH_CONF);
- }
+ val = readl(dc->base + DC_WR_CH_CONF);
+ val &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
+ writel(val, dc->base + DC_WR_CH_CONF);
}
EXPORT_SYMBOL_GPL(ipu_dc_disable_channel);
@@ -389,7 +353,7 @@ int ipu_dc_init(struct ipu_soc *ipu, struct device *dev,
struct ipu_dc_priv *priv;
static int channel_offsets[] = { 0, 0x1c, 0x38, 0x54, 0x58, 0x5c,
0x78, 0, 0x94, 0xb4};
- int i, ret;
+ int i;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
@@ -410,23 +374,6 @@ int ipu_dc_init(struct ipu_soc *ipu, struct device *dev,
priv->channels[i].base = priv->dc_reg + channel_offsets[i];
}
- priv->dc_irq = ipu_map_irq(ipu, IPU_IRQ_DC_FC_1);
- if (!priv->dc_irq)
- return -EINVAL;
- ret = devm_request_irq(dev, priv->dc_irq, dc_irq_handler, 0, NULL,
- &priv->channels[1]);
- if (ret < 0)
- return ret;
- disable_irq(priv->dc_irq);
- priv->dp_irq = ipu_map_irq(ipu, IPU_IRQ_DP_SF_END);
- if (!priv->dp_irq)
- return -EINVAL;
- ret = devm_request_irq(dev, priv->dp_irq, dc_irq_handler, 0, NULL,
- &priv->channels[5]);
- if (ret < 0)
- return ret;
- disable_irq(priv->dp_irq);
-
writel(DC_WR_CH_CONF_WORD_SIZE_24 | DC_WR_CH_CONF_DISP_ID_PARALLEL(1) |
DC_WR_CH_CONF_PROG_DI_ID,
priv->channels[1].base + DC_WR_CH_CONF);
diff --git a/drivers/gpu/ipu-v3/ipu-dp.c b/drivers/gpu/ipu-v3/ipu-dp.c
index 98686edbcdbb..9b2b3fa479c4 100644
--- a/drivers/gpu/ipu-v3/ipu-dp.c
+++ b/drivers/gpu/ipu-v3/ipu-dp.c
@@ -112,7 +112,7 @@ int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable,
writel(reg & ~DP_COM_CONF_GWAM, flow->base + DP_COM_CONF);
}
- ipu_srm_dp_sync_update(priv->ipu);
+ ipu_srm_dp_update(priv->ipu, true);
mutex_unlock(&priv->mutex);
@@ -127,7 +127,7 @@ int ipu_dp_set_window_pos(struct ipu_dp *dp, u16 x_pos, u16 y_pos)
writel((x_pos << 16) | y_pos, flow->base + DP_FG_POS);
- ipu_srm_dp_sync_update(priv->ipu);
+ ipu_srm_dp_update(priv->ipu, true);
return 0;
}
@@ -207,7 +207,7 @@ int ipu_dp_setup_channel(struct ipu_dp *dp,
flow->out_cs, DP_COM_CONF_CSC_DEF_FG);
}
- ipu_srm_dp_sync_update(priv->ipu);
+ ipu_srm_dp_update(priv->ipu, true);
mutex_unlock(&priv->mutex);
@@ -247,7 +247,7 @@ int ipu_dp_enable_channel(struct ipu_dp *dp)
reg |= DP_COM_CONF_FG_EN;
writel(reg, flow->base + DP_COM_CONF);
- ipu_srm_dp_sync_update(priv->ipu);
+ ipu_srm_dp_update(priv->ipu, true);
mutex_unlock(&priv->mutex);
@@ -255,7 +255,7 @@ int ipu_dp_enable_channel(struct ipu_dp *dp)
}
EXPORT_SYMBOL_GPL(ipu_dp_enable_channel);
-void ipu_dp_disable_channel(struct ipu_dp *dp)
+void ipu_dp_disable_channel(struct ipu_dp *dp, bool sync)
{
struct ipu_flow *flow = to_flow(dp);
struct ipu_dp_priv *priv = flow->priv;
@@ -275,10 +275,7 @@ void ipu_dp_disable_channel(struct ipu_dp *dp)
writel(reg, flow->base + DP_COM_CONF);
writel(0, flow->base + DP_FG_POS);
- ipu_srm_dp_sync_update(priv->ipu);
-
- if (ipu_idmac_channel_busy(priv->ipu, IPUV3_CHANNEL_MEM_BG_SYNC))
- ipu_wait_interrupt(priv->ipu, IPU_IRQ_DP_SF_END, 50);
+ ipu_srm_dp_update(priv->ipu, sync);
mutex_unlock(&priv->mutex);
}
diff --git a/drivers/gpu/ipu-v3/ipu-prv.h b/drivers/gpu/ipu-v3/ipu-prv.h
index 22e47b68b14a..285595702ee0 100644
--- a/drivers/gpu/ipu-v3/ipu-prv.h
+++ b/drivers/gpu/ipu-v3/ipu-prv.h
@@ -75,6 +75,11 @@ struct ipu_soc;
#define IPU_INT_CTRL(n) IPU_CM_REG(0x003C + 4 * (n))
#define IPU_INT_STAT(n) IPU_CM_REG(0x0200 + 4 * (n))
+/* SRM_PRI2 */
+#define DP_S_SRM_MODE_MASK (0x3 << 3)
+#define DP_S_SRM_MODE_NOW (0x3 << 3)
+#define DP_S_SRM_MODE_NEXT_FRAME (0x1 << 3)
+
/* FS_PROC_FLOW1 */
#define FS_PRPENC_ROT_SRC_SEL_MASK (0xf << 0)
#define FS_PRPENC_ROT_SRC_SEL_ENC (0x7 << 0)
@@ -215,7 +220,7 @@ static inline void ipu_idmac_write(struct ipu_soc *ipu, u32 value,
writel(value, ipu->idmac_reg + offset);
}
-void ipu_srm_dp_sync_update(struct ipu_soc *ipu);
+void ipu_srm_dp_update(struct ipu_soc *ipu, bool sync);
int ipu_module_enable(struct ipu_soc *ipu, u32 mask);
int ipu_module_disable(struct ipu_soc *ipu, u32 mask);
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index 53cd07ccaa4c..899d2b00ad6d 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -300,7 +300,7 @@ struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow);
void ipu_dp_put(struct ipu_dp *);
int ipu_dp_enable(struct ipu_soc *ipu);
int ipu_dp_enable_channel(struct ipu_dp *dp);
-void ipu_dp_disable_channel(struct ipu_dp *dp);
+void ipu_dp_disable_channel(struct ipu_dp *dp, bool sync);
void ipu_dp_disable(struct ipu_soc *ipu);
int ipu_dp_setup_channel(struct ipu_dp *dp,
enum ipu_color_space in, enum ipu_color_space out);
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