[meta-ti] [PATCH 1/2] linux-ti-staging: add Darren's SGX patches to make graphics work with 3.14
Denys Dmytriyenko
denis at denix.org
Tue Jul 29 18:35:12 PDT 2014
From: Denys Dmytriyenko <denys at ti.com>
Signed-off-by: Denys Dmytriyenko <denys at ti.com>
---
recipes-kernel/linux/linux-ti-staging-3.14/sgx.cfg | 24 ++++++
...HACK-drm-fb_helper-enable-panning-support.patch | 51 ++++++++++++
...lcdc-add-vsync-callback-for-use-in-omaplf.patch | 96 +++++++++++++++++++++
...fix-the-ping-pong-dma-tearing-issue-seen-.patch | 97 ++++++++++++++++++++++
...se-pdata-quirks-for-sgx-deassert_hardrese.patch | 86 +++++++++++++++++++
.../sgx/0005-ARM-dts-am437x-add-SGX-node.patch | 41 +++++++++
.../0006-ARM-dts-am33xx-add-DT-node-for-gpu.patch | 42 ++++++++++
recipes-kernel/linux/linux-ti-staging_3.14.bb | 20 +++--
8 files changed, 452 insertions(+), 5 deletions(-)
create mode 100644 recipes-kernel/linux/linux-ti-staging-3.14/sgx.cfg
create mode 100644 recipes-kernel/linux/linux-ti-staging-3.14/sgx/0001-HACK-drm-fb_helper-enable-panning-support.patch
create mode 100644 recipes-kernel/linux/linux-ti-staging-3.14/sgx/0002-HACK-drm-tilcdc-add-vsync-callback-for-use-in-omaplf.patch
create mode 100644 recipes-kernel/linux/linux-ti-staging-3.14/sgx/0003-drm-tilcdc-fix-the-ping-pong-dma-tearing-issue-seen-.patch
create mode 100644 recipes-kernel/linux/linux-ti-staging-3.14/sgx/0004-ARM-OMAP2-Use-pdata-quirks-for-sgx-deassert_hardrese.patch
create mode 100644 recipes-kernel/linux/linux-ti-staging-3.14/sgx/0005-ARM-dts-am437x-add-SGX-node.patch
create mode 100644 recipes-kernel/linux/linux-ti-staging-3.14/sgx/0006-ARM-dts-am33xx-add-DT-node-for-gpu.patch
diff --git a/recipes-kernel/linux/linux-ti-staging-3.14/sgx.cfg b/recipes-kernel/linux/linux-ti-staging-3.14/sgx.cfg
new file mode 100644
index 0000000..0291779
--- /dev/null
+++ b/recipes-kernel/linux/linux-ti-staging-3.14/sgx.cfg
@@ -0,0 +1,24 @@
+##################################################
+# SGX Graphics config options
+##################################################
+CONFIG_DMA_SHARED_BUFFER=y
+CONFIG_TI_ST=n
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_ADS7846=y
+CONFIG_I2C_ALGOBIT=y
+CONFIG_MFD_TPS65218=n
+CONFIG_DRM=y
+CONFIG_DRM_KMS_HELPER=y
+CONFIG_DRM_KMS_FB_HELPER=y
+CONFIG_DRM_GEM_CMA_HELPER=y
+CONFIG_DRM_KMS_CMA_HELPER=y
+CONFIG_DRM_I2C_NXP_TDA998X=y
+CONFIG_DRM_TILCDC=y
+CONFIG_FB_SYS_FILLRECT=y
+CONFIG_FB_SYS_COPYAREA=y
+CONFIG_FB_SYS_IMAGEBLIT=y
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_HDMI=y
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
+CONFIG_SND_DAVINCI_SOC=m
+CONFIG_SND_SIMPLE_CARD=n
diff --git a/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0001-HACK-drm-fb_helper-enable-panning-support.patch b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0001-HACK-drm-fb_helper-enable-panning-support.patch
new file mode 100644
index 0000000..e760248
--- /dev/null
+++ b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0001-HACK-drm-fb_helper-enable-panning-support.patch
@@ -0,0 +1,51 @@
+From d9d8fea4c60b3a44e8660408eb9337413b108b15 Mon Sep 17 00:00:00 2001
+From: Darren Etheridge <detheridge at ti.com>
+Date: Thu, 24 Jul 2014 11:49:28 -0500
+Subject: [PATCH 1/6] HACK: drm/fb_helper: enable panning support
+
+Increase the size of the buffer that is created in the fbdev emulation
+helpers. And fill in the var structure with the amount that was allocated.
+
+Signed-off-by: Darren Etheridge <detheridge at ti.com>
+---
+ drivers/gpu/drm/drm_fb_cma_helper.c | 10 ++++++++--
+ 1 file changed, 8 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
+index 61b5a47..2e2c489 100644
+--- a/drivers/gpu/drm/drm_fb_cma_helper.c
++++ b/drivers/gpu/drm/drm_fb_cma_helper.c
+@@ -25,6 +25,12 @@
+ #include <drm/drm_fb_cma_helper.h>
+ #include <linux/module.h>
+
++/*
++ * number of buffers to allocate from CMA pool, often increased for
++ * double/triple buffering
++ */
++#define DRM_NUM_FBDEV_BUFFERS 3
++
+ struct drm_fb_cma {
+ struct drm_framebuffer fb;
+ struct drm_gem_cma_object *obj[4];
+@@ -265,7 +271,7 @@ static int drm_fbdev_cma_create(struct drm_fb_helper *helper,
+ bytes_per_pixel = DIV_ROUND_UP(sizes->surface_bpp, 8);
+
+ mode_cmd.width = sizes->surface_width;
+- mode_cmd.height = sizes->surface_height;
++ mode_cmd.height = sizes->surface_height * DRM_NUM_FBDEV_BUFFERS;
+ mode_cmd.pitches[0] = sizes->surface_width * bytes_per_pixel;
+ mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
+ sizes->surface_depth);
+@@ -304,7 +310,7 @@ static int drm_fbdev_cma_create(struct drm_fb_helper *helper,
+ }
+
+ drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth);
+- drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height);
++ drm_fb_helper_fill_var(fbi, helper, fb->width, sizes->surface_height);
+
+ offset = fbi->var.xoffset * bytes_per_pixel;
+ offset += fbi->var.yoffset * fb->pitches[0];
+--
+1.9.1
+
diff --git a/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0002-HACK-drm-tilcdc-add-vsync-callback-for-use-in-omaplf.patch b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0002-HACK-drm-tilcdc-add-vsync-callback-for-use-in-omaplf.patch
new file mode 100644
index 0000000..d154508
--- /dev/null
+++ b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0002-HACK-drm-tilcdc-add-vsync-callback-for-use-in-omaplf.patch
@@ -0,0 +1,96 @@
+From eaf6ac95a81612250d6bd5e2ed9da41e52aac444 Mon Sep 17 00:00:00 2001
+From: Darren Etheridge <detheridge at ti.com>
+Date: Fri, 11 Jul 2014 09:15:25 -0500
+Subject: [PATCH 2/6] HACK: drm/tilcdc: add vsync callback for use in omaplfb
+ for gpu
+
+Add a vsync callback registration API that is identical to what was done
+for da8xx-fb.c.
+
+Need to find if there is a better way using the DRM infrastructure from
+kernel space. Either that or change the userspace window manager stuff in
+the gpu libraries to make use of the DRM provided syncronization
+mechanisms.
+
+Signed-off-by: Darren Etheridge <detheridge at ti.com>
+---
+ drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 34 ++++++++++++++++++++++++++++++++++
+ drivers/gpu/drm/tilcdc/tilcdc_drv.h | 5 +++++
+ 2 files changed, 39 insertions(+)
+
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+index 4b6b139..bf94a0f 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
++++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+@@ -37,6 +37,10 @@ struct tilcdc_crtc {
+ /* for deferred fb unref's: */
+ struct drm_flip_work unref_work;
+ };
++
++static vsync_callback_t vsync_cb_handler;
++static void *vsync_cb_arg;
++
+ #define to_tilcdc_crtc(x) container_of(x, struct tilcdc_crtc, base)
+
+ static void unref_worker(struct drm_flip_work *work, void *val)
+@@ -576,6 +580,32 @@ out:
+ pm_runtime_put_sync(dev->dev);
+ }
+
++int register_vsync_cb(vsync_callback_t handler, void *arg, int idx)
++{
++ if ((vsync_cb_handler == NULL) && (vsync_cb_arg == NULL)) {
++ vsync_cb_arg = arg;
++ vsync_cb_handler = handler;
++ } else {
++ return -EEXIST;
++ }
++
++ return 0;
++}
++EXPORT_SYMBOL(register_vsync_cb);
++
++int unregister_vsync_cb(vsync_callback_t handler, void *arg, int idx)
++{
++ if ((vsync_cb_handler == handler) && (vsync_cb_arg == arg)) {
++ vsync_cb_handler = NULL;
++ vsync_cb_arg = NULL;
++ } else {
++ return -ENXIO;
++ }
++
++ return 0;
++}
++EXPORT_SYMBOL(unregister_vsync_cb);
++
+ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
+ {
+ struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
+@@ -610,6 +640,10 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
+ tilcdc_crtc->event = NULL;
+ if (event)
+ drm_send_vblank_event(dev, 0, event);
++
++ if (vsync_cb_handler)
++ vsync_cb_handler(vsync_cb_arg);
++
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ if (dirty && !tilcdc_crtc->dirty)
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.h b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
+index 0938036..05269be 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.h
++++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
+@@ -170,4 +170,9 @@ void tilcdc_crtc_set_panel_info(struct drm_crtc *crtc,
+ int tilcdc_crtc_mode_valid(struct drm_crtc *crtc, struct drm_display_mode *mode);
+ int tilcdc_crtc_max_width(struct drm_crtc *crtc);
+
++/* used by SGX OMAPLFB drvier */
++typedef void (*vsync_callback_t)(void *arg);
++int register_vsync_cb(vsync_callback_t handler, void *arg, int idx);
++int unregister_vsync_cb(vsync_callback_t handler, void *arg, int idx);
++
+ #endif /* __TILCDC_DRV_H__ */
+--
+1.9.1
+
diff --git a/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0003-drm-tilcdc-fix-the-ping-pong-dma-tearing-issue-seen-.patch b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0003-drm-tilcdc-fix-the-ping-pong-dma-tearing-issue-seen-.patch
new file mode 100644
index 0000000..b3d0466
--- /dev/null
+++ b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0003-drm-tilcdc-fix-the-ping-pong-dma-tearing-issue-seen-.patch
@@ -0,0 +1,97 @@
+From 7b4400287144101f8c7bdf2a9fa45c82859177e2 Mon Sep 17 00:00:00 2001
+From: Darren Etheridge <detheridge at ti.com>
+Date: Fri, 18 Jul 2014 16:21:46 -0500
+Subject: [PATCH 3/6] drm/tilcdc: fix the ping-pong dma tearing issue seen on
+ buffer flipping
+
+Update the DMA pointers during the pan display ioctl. Borrowed from
+da8xx_fb.c update the scanout buffers immediately so the DMA ping/pong
+doesn't end up out of sync with what we really want it to DMA.
+
+Signed-off-by: Darren Etheridge <detheridge at ti.com>
+---
+ drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 36 +++++++++++++++++++++++++++++++-----
+ 1 file changed, 31 insertions(+), 5 deletions(-)
+
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+index bf94a0f..cdea159 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
++++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+@@ -30,6 +30,8 @@ struct tilcdc_crtc {
+ int dpms;
+ wait_queue_head_t frame_done_wq;
+ bool frame_done;
++ spinlock_t irq_lock;
++ int dma_completed_channel;
+
+ /* fb currently set to scanout 0/1: */
+ struct drm_framebuffer *scanout[2];
+@@ -102,10 +104,23 @@ static void update_scanout(struct drm_crtc *crtc)
+ (crtc->mode.vdisplay * fb->pitches[0]);
+
+ if (tilcdc_crtc->dpms == DRM_MODE_DPMS_ON) {
+- /* already enabled, so just mark the frames that need
+- * updating and they will be updated on vblank:
++ /*
++ * already enabled, so just mark the frames that need
++ * updating and they will be updated on vblank
++ * and update the inactive DMA channel immediately
++ * to avoid any tearing due to the DMA already starting
++ * on the pending dma buffer when we hit the vblank IRQ
+ */
+- tilcdc_crtc->dirty |= LCDC_END_OF_FRAME0 | LCDC_END_OF_FRAME1;
++ if (tilcdc_crtc->dma_completed_channel == 0) {
++ tilcdc_crtc->dirty |= LCDC_END_OF_FRAME1;
++ set_scanout(crtc, 0);
++ }
++
++ if (tilcdc_crtc->dma_completed_channel == 1) {
++ tilcdc_crtc->dirty |= LCDC_END_OF_FRAME0;
++ set_scanout(crtc, 1);
++ }
++
+ drm_vblank_get(dev, 0);
+ } else {
+ /* not enabled yet, so update registers immediately: */
+@@ -612,6 +627,7 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
+ struct drm_device *dev = crtc->dev;
+ struct tilcdc_drm_private *priv = dev->dev_private;
+ uint32_t stat = tilcdc_read_irqstatus(dev);
++ unsigned long irq_flags;
+
+ if ((stat & LCDC_SYNC_LOST) && (stat & LCDC_FIFO_UNDERFLOW)) {
+ stop(crtc);
+@@ -627,11 +643,19 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
+
+ tilcdc_clear_irqstatus(dev, stat);
+
+- if (dirty & LCDC_END_OF_FRAME0)
++ spin_lock_irqsave(&tilcdc_crtc->irq_lock, irq_flags);
++
++ if (dirty & LCDC_END_OF_FRAME0) {
+ set_scanout(crtc, 0);
++ tilcdc_crtc->dma_completed_channel = 0;
++ }
+
+- if (dirty & LCDC_END_OF_FRAME1)
++ if (dirty & LCDC_END_OF_FRAME1) {
+ set_scanout(crtc, 1);
++ tilcdc_crtc->dma_completed_channel = 1;
++ }
++
++ spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, irq_flags);
+
+ drm_handle_vblank(dev, 0);
+
+@@ -707,6 +731,8 @@ struct drm_crtc *tilcdc_crtc_create(struct drm_device *dev)
+ goto fail;
+ }
+
++ spin_lock_init(&tilcdc_crtc->irq_lock);
++
+ ret = drm_crtc_init(dev, crtc, &tilcdc_crtc_funcs);
+ if (ret < 0)
+ goto fail;
+--
+1.9.1
+
diff --git a/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0004-ARM-OMAP2-Use-pdata-quirks-for-sgx-deassert_hardrese.patch b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0004-ARM-OMAP2-Use-pdata-quirks-for-sgx-deassert_hardrese.patch
new file mode 100644
index 0000000..b0d5d40
--- /dev/null
+++ b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0004-ARM-OMAP2-Use-pdata-quirks-for-sgx-deassert_hardrese.patch
@@ -0,0 +1,86 @@
+From 761dbda366d46ff007e04c09dd2deeee5073d090 Mon Sep 17 00:00:00 2001
+From: Darren Etheridge <detheridge at ti.com>
+Date: Fri, 25 Jul 2014 16:09:53 -0500
+Subject: [PATCH 4/6] ARM: OMAP2+: Use pdata-quirks for sgx deassert_hardreset
+
+Use pdata_quirks to provide platform data to the sgx driver.
+The data that is provided includes:
+
+1) Function pointers for the driver to use to reset the h/w block.
+2) The reset name that matches with what is used in hwmod.
+
+Signed-off-by: Darren Etheridge <detheridge at ti.com>
+---
+ arch/arm/mach-omap2/pdata-quirks.c | 12 ++++++++++++
+ include/linux/platform_data/gfx-sgx.h | 22 ++++++++++++++++++++++
+ 2 files changed, 34 insertions(+)
+ create mode 100644 include/linux/platform_data/gfx-sgx.h
+
+diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
+index a1fb5aa..945dd61 100644
+--- a/arch/arm/mach-omap2/pdata-quirks.c
++++ b/arch/arm/mach-omap2/pdata-quirks.c
+@@ -17,6 +17,7 @@
+
+ #include <linux/platform_data/pinctrl-single.h>
+ #include <linux/platform_data/iommu-omap.h>
++#include <linux/platform_data/gfx-sgx.h>
+
+ #include "am35xx.h"
+ #include "common.h"
+@@ -63,6 +64,13 @@ static inline void legacy_init_wl12xx(unsigned ref_clock,
+ }
+ #endif
+
++#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
++static struct gfx_sgx_platform_data gfx_pdata = {
++ .reset_name = "gfx",
++ .deassert_reset = omap_device_deassert_hardreset,
++};
++#endif
++
+ #ifdef CONFIG_MACH_NOKIA_N8X0
+ static void __init omap2420_n8x0_legacy_init(void)
+ {
+@@ -270,6 +278,10 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
+ &am35xx_emac_pdata),
+ #endif
++#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
++ OF_DEV_AUXDATA("ti,sgx", 0x56000000, "56000000.sgx",
++ &gfx_pdata),
++#endif
+ #ifdef CONFIG_ARCH_OMAP4
+ OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
+ OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
+diff --git a/include/linux/platform_data/gfx-sgx.h b/include/linux/platform_data/gfx-sgx.h
+new file mode 100644
+index 0000000..aa59b2c
+--- /dev/null
++++ b/include/linux/platform_data/gfx-sgx.h
+@@ -0,0 +1,22 @@
++/*
++ * SGX Graphics Driver Platform Data
++ *
++ * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
++ * Darren Etheridge <detheridge at ti.com>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
++ * kind, whether express or implied; without even the implied warranty
++ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ */
++#include <linux/platform_device.h>
++
++struct gfx_sgx_platform_data {
++ const char *reset_name;
++
++ int (*deassert_reset)(struct platform_device *pdev, const char *name);
++};
+--
+1.9.1
+
diff --git a/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0005-ARM-dts-am437x-add-SGX-node.patch b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0005-ARM-dts-am437x-add-SGX-node.patch
new file mode 100644
index 0000000..e18581a
--- /dev/null
+++ b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0005-ARM-dts-am437x-add-SGX-node.patch
@@ -0,0 +1,41 @@
+From c921fe043facef3bd6649170fb6130f18e9367b7 Mon Sep 17 00:00:00 2001
+From: Darren Etheridge <detheridge at ti.com>
+Date: Tue, 29 Jul 2014 16:27:59 -0500
+Subject: [PATCH 5/6] ARM: dts: am437x: add SGX node
+
+Add dt node to enable SGX PowerVR driver.
+
+Signed-off-by: Darren Etheridge <detheridge at ti.com>
+---
+ arch/arm/boot/dts/am4372.dtsi | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
+index d36af42..d963a60 100644
+--- a/arch/arm/boot/dts/am4372.dtsi
++++ b/arch/arm/boot/dts/am4372.dtsi
+@@ -707,6 +707,13 @@
+ dma-names = "tx", "rx";
+ };
+
++ sgx at 0x56000000 {
++ compatible = "ti,sgx";
++ ti,hwmods = "gfx";
++ reg = <0x56000000 0x1000000>;
++ interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
++ };
++
+ mcasp1: mcasp at 4803C000 {
+ compatible = "ti,am33xx-mcasp-audio";
+ ti,hwmods = "mcasp1";
+@@ -891,6 +898,7 @@
+ clocks = <&disp_clk>;
+ clock-names = "fck";
+ };
++
+ };
+ };
+ };
+--
+1.9.1
+
diff --git a/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0006-ARM-dts-am33xx-add-DT-node-for-gpu.patch b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0006-ARM-dts-am33xx-add-DT-node-for-gpu.patch
new file mode 100644
index 0000000..d4d0f13
--- /dev/null
+++ b/recipes-kernel/linux/linux-ti-staging-3.14/sgx/0006-ARM-dts-am33xx-add-DT-node-for-gpu.patch
@@ -0,0 +1,42 @@
+From 0ef34332c3400b211a047eaca751d00c97f5104c Mon Sep 17 00:00:00 2001
+From: Darren Etheridge <detheridge at ti.com>
+Date: Fri, 18 Jul 2014 16:19:54 -0500
+Subject: [PATCH 6/6] ARM: dts: am33xx: add DT node for gpu
+
+Add the node into the am33xx.dtsi file for the SGX GPU
+that is found in some variants of the SoC.
+
+Signed-off-by: Darren Etheridge <detheridge at ti.com>
+---
+ arch/arm/boot/dts/am33xx.dtsi | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
+index 2cfd694..df6ae9c 100644
+--- a/arch/arm/boot/dts/am33xx.dtsi
++++ b/arch/arm/boot/dts/am33xx.dtsi
+@@ -109,7 +109,6 @@
+ prcm: prcm at 44e00000 {
+ compatible = "ti,am3-prcm";
+ reg = <0x44e00000 0x4000>;
+-
+ prcm_clocks: clocks {
+ #address-cells = <1>;
+ #size-cells = <0>;
+@@ -822,6 +821,13 @@
+ reg = <0x48310000 0x2000>;
+ interrupts = <111>;
+ };
++
++ sgx at 0x56000000 {
++ compatible = "ti,sgx";
++ ti,hwmods = "gfx";
++ reg = <0x56000000 0x1000000>;
++ interrupts = <37>;
++ };
+ };
+ };
+
+--
+1.9.1
+
diff --git a/recipes-kernel/linux/linux-ti-staging_3.14.bb b/recipes-kernel/linux/linux-ti-staging_3.14.bb
index b505640..c223c88 100644
--- a/recipes-kernel/linux/linux-ti-staging_3.14.bb
+++ b/recipes-kernel/linux/linux-ti-staging_3.14.bb
@@ -3,8 +3,6 @@ DESCRIPTION = "Linux kernel for TI devices"
LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
-DEFAULT_PREFERENCE = "-1"
-
inherit kernel
require recipes-kernel/linux/linux-dtb.inc
@@ -49,7 +47,7 @@ SRCREV = "b0fa4f08d72c8723219b5174b5749151b5acaee0"
PV = "3.14.14"
# Append to the MACHINE_KERNEL_PR so that a new SRCREV will cause a rebuild
-MACHINE_KERNEL_PR_append = "a+gitr${SRCPV}"
+MACHINE_KERNEL_PR_append = "b+gitr${SRCPV}"
PR = "${MACHINE_KERNEL_PR}"
KERNEL_CONFIG_DIR = "${S}/ti_config_fragments"
@@ -57,10 +55,22 @@ KERNEL_CONFIG_FRAGMENTS = "${KERNEL_CONFIG_DIR}/audio_display.cfg ${KERNEL_CONFI
${KERNEL_CONFIG_DIR}/connectivity.cfg ${KERNEL_CONFIG_DIR}/ipc.cfg \
${KERNEL_CONFIG_DIR}/power.cfg"
-KERNEL_CONFIG_FRAGMENTS_append_ti33x = " ${WORKDIR}/non-smp.cfg"
-KERNEL_CONFIG_FRAGMENTS_append_ti43x = " ${WORKDIR}/non-smp.cfg"
+KERNEL_CONFIG_FRAGMENTS_append_ti33x = " ${WORKDIR}/non-smp.cfg ${WORKDIR}/sgx.cfg"
+KERNEL_CONFIG_FRAGMENTS_append_ti43x = " ${WORKDIR}/non-smp.cfg ${WORKDIR}/sgx.cfg"
+
+# Patches necessary to make SGX graphics work with this kernel version
+SGX_PATCHES = "file://sgx/0001-HACK-drm-fb_helper-enable-panning-support.patch \
+ file://sgx/0002-HACK-drm-tilcdc-add-vsync-callback-for-use-in-omaplf.patch \
+ file://sgx/0003-drm-tilcdc-fix-the-ping-pong-dma-tearing-issue-seen-.patch \
+ file://sgx/0004-ARM-OMAP2-Use-pdata-quirks-for-sgx-deassert_hardrese.patch \
+ file://sgx/0005-ARM-dts-am437x-add-SGX-node.patch \
+ file://sgx/0006-ARM-dts-am33xx-add-DT-node-for-gpu.patch"
SRC_URI = "git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git;protocol=git;branch=${BRANCH} \
file://defconfig \
file://non-smp.cfg \
+ file://sgx.cfg \
"
+
+SRC_URI_append_ti33x = " ${SGX_PATCHES}"
+SRC_URI_append_ti43x = " ${SGX_PATCHES}"
--
2.0.2
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