Merge branch '2016-02-26-st-drm-next' of... (cf481068) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/gpu/drm/sti/sti_awg_utils.c

+44 −34

Original line number	Diff line number	Diff line
		@@ -7,6 +7,7 @@
		#include "sti_awg_utils.h"

		#define AWG_OPCODE_OFFSET 10
		#define AWG_MAX_ARG 0x3ff

		enum opcode {
		SET,
		@@ -34,6 +35,8 @@ static int awg_generate_instr(enum opcode opcode,
		/* skip, repeat and replay arg should not exceed 1023.
		* If user wants to exceed this value, the instruction should be
		* duplicate and arg should be adjust for each duplicated instruction.
		*
		* mux_sel is used in case of SAV/EAV synchronization.
		*/

		while (arg_tmp > 0) {
		@@ -65,7 +68,7 @@ static int awg_generate_instr(enum opcode opcode,

		mux = 0;
		data_enable = 0;
		arg &= (0x3ff);
		arg &= AWG_MAX_ARG;
		break;
		case REPEAT:
		case REPLAY:
		@@ -76,13 +79,13 @@ static int awg_generate_instr(enum opcode opcode,

		mux = 0;
		data_enable = 0;
		arg &= (0x3ff);
		arg &= AWG_MAX_ARG;
		break;
		case JUMP:
		mux = 0;
		data_enable = 0;
		arg \|= 0x40; /* for jump instruction 7th bit is 1 */
		arg &= 0x3ff;
		arg &= AWG_MAX_ARG;
		break;
		case STOP:
		arg = 0;
		@@ -110,68 +113,75 @@ static int awg_generate_instr(enum opcode opcode,
		return 0;
		}

		int sti_awg_generate_code_data_enable_mode(
		static int awg_generate_line_signal(
		struct awg_code_generation_params *fwparams,
		struct awg_timing *timing)
		{
		long int val;
		long int data_en;
		int ret = 0;

		if (timing->trailing_lines > 0) {
		/* skip trailing lines */
		val = timing->blanking_level;
		data_en = 0;
		ret \|= awg_generate_instr(RPLSET, val, 0, data_en, fwparams);

		val = timing->trailing_lines - 1;
		data_en = 0;
		ret \|= awg_generate_instr(REPLAY, val, 0, data_en, fwparams);
		}

		if (timing->trailing_pixels > 0) {
		/* skip trailing pixel */
		val = timing->blanking_level;
		data_en = 0;
		ret \|= awg_generate_instr(RPLSET, val, 0, data_en, fwparams);
		ret \|= awg_generate_instr(RPLSET, val, 0, 0, fwparams);

		val = timing->trailing_pixels - 1;
		data_en = 0;
		ret \|= awg_generate_instr(SKIP, val, 0, data_en, fwparams);
		ret \|= awg_generate_instr(SKIP, val, 0, 0, fwparams);
		}

		/* set DE signal high */
		val = timing->blanking_level;
		data_en = 1;
		ret \|= awg_generate_instr((timing->trailing_pixels > 0) ? SET : RPLSET,
		val, 0, data_en, fwparams);
		val, 0, 1, fwparams);

		if (timing->blanking_pixels > 0) {
		/* skip the number of active pixel */
		val = timing->active_pixels - 1;
		data_en = 1;
		ret \|= awg_generate_instr(SKIP, val, 0, data_en, fwparams);
		ret \|= awg_generate_instr(SKIP, val, 0, 1, fwparams);

		/* set DE signal low */
		val = timing->blanking_level;
		data_en = 0;
		ret \|= awg_generate_instr(SET, val, 0, data_en, fwparams);
		ret \|= awg_generate_instr(SET, val, 0, 0, fwparams);
		}

		return ret;
		}

		int sti_awg_generate_code_data_enable_mode(
		struct awg_code_generation_params *fwparams,
		struct awg_timing *timing)
		{
		long int val, tmp_val;
		int ret = 0;

		if (timing->trailing_lines > 0) {
		/* skip trailing lines */
		val = timing->blanking_level;
		ret \|= awg_generate_instr(RPLSET, val, 0, 0, fwparams);

		val = timing->trailing_lines - 1;
		ret \|= awg_generate_instr(REPLAY, val, 0, 0, fwparams);
		}

		tmp_val = timing->active_lines - 1;

		while (tmp_val > 0) {
		/* generate DE signal for each line */
		ret \|= awg_generate_line_signal(fwparams, timing);
		/* replay the sequence as many active lines defined */
		val = timing->active_lines - 1;
		data_en = 0;
		ret \|= awg_generate_instr(REPLAY, val, 0, data_en, fwparams);
		ret \|= awg_generate_instr(REPLAY,
		min_t(int, AWG_MAX_ARG, tmp_val),
		0, 0, fwparams);
		tmp_val -= AWG_MAX_ARG;
		}

		if (timing->blanking_lines > 0) {
		/* skip blanking lines */
		val = timing->blanking_level;
		data_en = 0;
		ret \|= awg_generate_instr(RPLSET, val, 0, data_en, fwparams);
		ret \|= awg_generate_instr(RPLSET, val, 0, 0, fwparams);

		val = timing->blanking_lines - 1;
		data_en = 0;
		ret \|= awg_generate_instr(REPLAY, val, 0, data_en, fwparams);
		ret \|= awg_generate_instr(REPLAY, val, 0, 0, fwparams);
		}

		return ret;

drivers/gpu/drm/sti/sti_compositor.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -75,13 +75,13 @@ static int sti_compositor_bind(struct device *dev,
		switch (desc[i].type) {
		case STI_VID_SUBDEV:
		compo->vid[vid_id++] =
		sti_vid_create(compo->dev, desc[i].id,
		sti_vid_create(compo->dev, drm_dev, desc[i].id,
		compo->regs + desc[i].offset);
		break;
		case STI_MIXER_MAIN_SUBDEV:
		case STI_MIXER_AUX_SUBDEV:
		compo->mixer[mixer_id++] =
		sti_mixer_create(compo->dev, desc[i].id,
		sti_mixer_create(compo->dev, drm_dev, desc[i].id,
		compo->regs + desc[i].offset);
		break;
		case STI_GPD_SUBDEV:

drivers/gpu/drm/sti/sti_crtc.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -51,6 +51,15 @@ static void sti_crtc_disabling(struct drm_crtc *crtc)
		mixer->status = STI_MIXER_DISABLING;
		}

		static bool sti_crtc_mode_fixup(struct drm_crtc *crtc,
		const struct drm_display_mode *mode,
		struct drm_display_mode *adjusted_mode)
		{
		/* accept the provided drm_display_mode, do not fix it up */
		drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
		return true;
		}

		static int
		sti_crtc_mode_set(struct drm_crtc crtc, struct drm_display_mode mode)
		{

drivers/gpu/drm/sti/sti_cursor.c

+144 −40

Original line number	Diff line number	Diff line
		@@ -5,12 +5,10 @@
		* for STMicroelectronics.
		* License terms: GNU General Public License (GPL), version 2
		*/
		#include <drm/drmP.h>

		#include <drm/drm_atomic_helper.h>
		#include <drm/drm_atomic.h>
		#include <drm/drm_fb_cma_helper.h>
		#include <drm/drm_gem_cma_helper.h>
		#include <drm/drm_plane_helper.h>

		#include "sti_compositor.h"
		#include "sti_cursor.h"
		@@ -74,6 +72,82 @@ static const uint32_t cursor_supported_formats[] = {

		#define to_sti_cursor(x) container_of(x, struct sti_cursor, plane)

		#define DBGFS_DUMP(reg) seq_printf(s, "\n %-25s 0x%08X", #reg, \
		readl(cursor->regs + reg))

		static void cursor_dbg_vpo(struct seq_file *s, u32 val)
		{
		seq_printf(s, "\txdo:%4d\tydo:%4d", val & 0x0FFF, (val >> 16) & 0x0FFF);
		}

		static void cursor_dbg_size(struct seq_file *s, u32 val)
		{
		seq_printf(s, "\t%d x %d", val & 0x07FF, (val >> 16) & 0x07FF);
		}

		static void cursor_dbg_pml(struct seq_file *s,
		struct sti_cursor *cursor, u32 val)
		{
		if (cursor->pixmap.paddr == val)
		seq_printf(s, "\tVirt @: %p", cursor->pixmap.base);
		}

		static void cursor_dbg_cml(struct seq_file *s,
		struct sti_cursor *cursor, u32 val)
		{
		if (cursor->clut_paddr == val)
		seq_printf(s, "\tVirt @: %p", cursor->clut);
		}

		static int cursor_dbg_show(struct seq_file s, void data)
		{
		struct drm_info_node *node = s->private;
		struct sti_cursor cursor = (struct sti_cursor )node->info_ent->data;
		struct drm_device *dev = node->minor->dev;
		int ret;

		ret = mutex_lock_interruptible(&dev->struct_mutex);
		if (ret)
		return ret;

		seq_printf(s, "%s: (vaddr = 0x%p)",
		sti_plane_to_str(&cursor->plane), cursor->regs);

		DBGFS_DUMP(CUR_CTL);
		DBGFS_DUMP(CUR_VPO);
		cursor_dbg_vpo(s, readl(cursor->regs + CUR_VPO));
		DBGFS_DUMP(CUR_PML);
		cursor_dbg_pml(s, cursor, readl(cursor->regs + CUR_PML));
		DBGFS_DUMP(CUR_PMP);
		DBGFS_DUMP(CUR_SIZE);
		cursor_dbg_size(s, readl(cursor->regs + CUR_SIZE));
		DBGFS_DUMP(CUR_CML);
		cursor_dbg_cml(s, cursor, readl(cursor->regs + CUR_CML));
		DBGFS_DUMP(CUR_AWS);
		DBGFS_DUMP(CUR_AWE);
		seq_puts(s, "\n");

		mutex_unlock(&dev->struct_mutex);
		return 0;
		}

		static struct drm_info_list cursor_debugfs_files[] = {
		{ "cursor", cursor_dbg_show, 0, NULL },
		};

		static int cursor_debugfs_init(struct sti_cursor *cursor,
		struct drm_minor *minor)
		{
		unsigned int i;

		for (i = 0; i < ARRAY_SIZE(cursor_debugfs_files); i++)
		cursor_debugfs_files[i].data = cursor;

		return drm_debugfs_create_files(cursor_debugfs_files,
		ARRAY_SIZE(cursor_debugfs_files),
		minor->debugfs_root, minor);
		}

		static void sti_cursor_argb8888_to_clut8(struct sti_cursor cursor, u32 src)
		{
		u8 *dst = cursor->pixmap.base;
		@@ -110,35 +184,31 @@ static void sti_cursor_init(struct sti_cursor *cursor)
		(b * 5);
		}

		static void sti_cursor_atomic_update(struct drm_plane *drm_plane,
		struct drm_plane_state *oldstate)
		static int sti_cursor_atomic_check(struct drm_plane *drm_plane,
		struct drm_plane_state *state)
		{
		struct drm_plane_state *state = drm_plane->state;
		struct sti_plane *plane = to_sti_plane(drm_plane);
		struct sti_cursor *cursor = to_sti_cursor(plane);
		struct drm_crtc *crtc = state->crtc;
		struct sti_mixer *mixer = to_sti_mixer(crtc);
		struct drm_framebuffer *fb = state->fb;
		struct drm_display_mode *mode = &crtc->mode;
		int dst_x = state->crtc_x;
		int dst_y = state->crtc_y;
		int dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x);
		int dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y);
		struct drm_crtc_state *crtc_state;
		struct drm_display_mode *mode;
		int dst_x, dst_y, dst_w, dst_h;
		int src_w, src_h;

		/* no need for further checks if the plane is being disabled */
		if (!crtc \|\| !fb)
		return 0;

		crtc_state = drm_atomic_get_crtc_state(state->state, crtc);
		mode = &crtc_state->mode;
		dst_x = state->crtc_x;
		dst_y = state->crtc_y;
		dst_w = clamp_val(state->crtc_w, 0, mode->crtc_hdisplay - dst_x);
		dst_h = clamp_val(state->crtc_h, 0, mode->crtc_vdisplay - dst_y);
		/* src_x are in 16.16 format */
		int src_w = state->src_w >> 16;
		int src_h = state->src_h >> 16;
		bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false;
		struct drm_gem_cma_object *cma_obj;
		u32 y, x;
		u32 val;

		DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n",
		crtc->base.id, sti_mixer_to_str(mixer),
		drm_plane->base.id, sti_plane_to_str(plane));
		DRM_DEBUG_KMS("(%dx%d)@(%d,%d)\n", dst_w, dst_h, dst_x, dst_y);

		dev_dbg(cursor->dev, "%s %s\n", __func__,
		sti_plane_to_str(plane));
		src_w = state->src_w >> 16;
		src_h = state->src_h >> 16;

		if (src_w < STI_CURS_MIN_SIZE \|\|
		src_h < STI_CURS_MIN_SIZE \|\|
		@@ -146,7 +216,7 @@ static void sti_cursor_atomic_update(struct drm_plane *drm_plane,
		src_h > STI_CURS_MAX_SIZE) {
		DRM_ERROR("Invalid cursor size (%dx%d)\n",
		src_w, src_h);
		return;
		return -EINVAL;
		}

		/* If the cursor size has changed, re-allocated the pixmap */
		@@ -170,16 +240,46 @@ static void sti_cursor_atomic_update(struct drm_plane *drm_plane,
		GFP_KERNEL \| GFP_DMA);
		if (!cursor->pixmap.base) {
		DRM_ERROR("Failed to allocate memory for pixmap\n");
		return;
		return -EINVAL;
		}
		}

		cma_obj = drm_fb_cma_get_gem_obj(fb, 0);
		if (!cma_obj) {
		if (!drm_fb_cma_get_gem_obj(fb, 0)) {
		DRM_ERROR("Can't get CMA GEM object for fb\n");
		return;
		return -EINVAL;
		}

		DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n",
		crtc->base.id, sti_mixer_to_str(to_sti_mixer(crtc)),
		drm_plane->base.id, sti_plane_to_str(plane));
		DRM_DEBUG_KMS("(%dx%d)@(%d,%d)\n", dst_w, dst_h, dst_x, dst_y);

		return 0;
		}

		static void sti_cursor_atomic_update(struct drm_plane *drm_plane,
		struct drm_plane_state *oldstate)
		{
		struct drm_plane_state *state = drm_plane->state;
		struct sti_plane *plane = to_sti_plane(drm_plane);
		struct sti_cursor *cursor = to_sti_cursor(plane);
		struct drm_crtc *crtc = state->crtc;
		struct drm_framebuffer *fb = state->fb;
		struct drm_display_mode *mode;
		int dst_x, dst_y;
		struct drm_gem_cma_object *cma_obj;
		u32 y, x;
		u32 val;

		if (!crtc \|\| !fb)
		return;

		mode = &crtc->mode;
		dst_x = state->crtc_x;
		dst_y = state->crtc_y;

		cma_obj = drm_fb_cma_get_gem_obj(fb, 0);

		/* Convert ARGB8888 to CLUT8 */
		sti_cursor_argb8888_to_clut8(cursor, (u32 *)cma_obj->vaddr);

		@@ -193,21 +293,21 @@ static void sti_cursor_atomic_update(struct drm_plane *drm_plane,
		val = y << 16 \| x;
		writel(val, cursor->regs + CUR_AWE);

		if (first_prepare) {
		/* Set and fetch CLUT */
		writel(cursor->clut_paddr, cursor->regs + CUR_CML);
		writel(CUR_CTL_CLUT_UPDATE, cursor->regs + CUR_CTL);
		}

		/* Set memory location, size, and position */
		writel(cursor->pixmap.paddr, cursor->regs + CUR_PML);
		writel(cursor->width, cursor->regs + CUR_PMP);
		writel(cursor->height << 16 \| cursor->width, cursor->regs + CUR_SIZE);

		y = sti_vtg_get_line_number(*mode, dst_y);
		x = sti_vtg_get_pixel_number(*mode, dst_y);
		x = sti_vtg_get_pixel_number(*mode, dst_x);
		writel((y << 16) \| x, cursor->regs + CUR_VPO);

		/* Set and fetch CLUT */
		writel(cursor->clut_paddr, cursor->regs + CUR_CML);
		writel(CUR_CTL_CLUT_UPDATE, cursor->regs + CUR_CTL);

		sti_plane_update_fps(plane, true, false);

		plane->status = STI_PLANE_UPDATED;
		}

		@@ -215,7 +315,6 @@ static void sti_cursor_atomic_disable(struct drm_plane *drm_plane,
		struct drm_plane_state *oldstate)
		{
		struct sti_plane *plane = to_sti_plane(drm_plane);
		struct sti_mixer *mixer = to_sti_mixer(drm_plane->crtc);

		if (!drm_plane->crtc) {
		DRM_DEBUG_DRIVER("drm plane:%d not enabled\n",
		@@ -224,13 +323,15 @@ static void sti_cursor_atomic_disable(struct drm_plane *drm_plane,
		}

		DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n",
		drm_plane->crtc->base.id, sti_mixer_to_str(mixer),
		drm_plane->crtc->base.id,
		sti_mixer_to_str(to_sti_mixer(drm_plane->crtc)),
		drm_plane->base.id, sti_plane_to_str(plane));

		plane->status = STI_PLANE_DISABLING;
		}

		static const struct drm_plane_helper_funcs sti_cursor_helpers_funcs = {
		.atomic_check = sti_cursor_atomic_check,
		.atomic_update = sti_cursor_atomic_update,
		.atomic_disable = sti_cursor_atomic_disable,
		};
		@@ -283,6 +384,9 @@ struct drm_plane sti_cursor_create(struct drm_device drm_dev,

		sti_plane_init_property(&cursor->plane, DRM_PLANE_TYPE_CURSOR);

		if (cursor_debugfs_init(cursor, drm_dev->primary))
		DRM_ERROR("CURSOR debugfs setup failed\n");

		return &cursor->plane.drm_plane;

		err_plane:

drivers/gpu/drm/sti/sti_drv.c

+130 −11

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@

		#include "sti_crtc.h"
		#include "sti_drv.h"
		#include "sti_plane.h"

		#define DRIVER_NAME "sti"
		#define DRIVER_DESC "STMicroelectronics SoC DRM"
		@@ -30,6 +31,130 @@
		#define STI_MAX_FB_HEIGHT 4096
		#define STI_MAX_FB_WIDTH 4096

		static int sti_drm_fps_get(void data, u64 val)
		{
		struct drm_device *drm_dev = data;
		struct drm_plane *p;
		unsigned int i = 0;

		*val = 0;
		list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) {
		struct sti_plane *plane = to_sti_plane(p);

		*val \|= plane->fps_info.output << i;
		i++;
		}

		return 0;
		}

		static int sti_drm_fps_set(void *data, u64 val)
		{
		struct drm_device *drm_dev = data;
		struct drm_plane *p;
		unsigned int i = 0;

		list_for_each_entry(p, &drm_dev->mode_config.plane_list, head) {
		struct sti_plane *plane = to_sti_plane(p);

		plane->fps_info.output = (val >> i) & 1;
		i++;
		}

		return 0;
		}

		DEFINE_SIMPLE_ATTRIBUTE(sti_drm_fps_fops,
		sti_drm_fps_get, sti_drm_fps_set, "%llu\n");

		static int sti_drm_fps_dbg_show(struct seq_file s, void data)
		{
		struct drm_info_node *node = s->private;
		struct drm_device *dev = node->minor->dev;
		struct drm_plane *p;
		int ret;

		ret = mutex_lock_interruptible(&dev->struct_mutex);
		if (ret)
		return ret;

		list_for_each_entry(p, &dev->mode_config.plane_list, head) {
		struct sti_plane *plane = to_sti_plane(p);

		seq_printf(s, "%s%s\n",
		plane->fps_info.fps_str,
		plane->fps_info.fips_str);
		}

		mutex_unlock(&dev->struct_mutex);
		return 0;
		}

		static struct drm_info_list sti_drm_dbg_list[] = {
		{"fps_get", sti_drm_fps_dbg_show, 0},
		};

		static int sti_drm_debugfs_create(struct dentry *root,
		struct drm_minor *minor,
		const char *name,
		const struct file_operations *fops)
		{
		struct drm_device *dev = minor->dev;
		struct drm_info_node *node;
		struct dentry *ent;

		ent = debugfs_create_file(name, S_IRUGO \| S_IWUSR, root, dev, fops);
		if (IS_ERR(ent))
		return PTR_ERR(ent);

		node = kmalloc(sizeof(*node), GFP_KERNEL);
		if (!node) {
		debugfs_remove(ent);
		return -ENOMEM;
		}

		node->minor = minor;
		node->dent = ent;
		node->info_ent = (void *)fops;

		mutex_lock(&minor->debugfs_lock);
		list_add(&node->list, &minor->debugfs_list);
		mutex_unlock(&minor->debugfs_lock);

		return 0;
		}

		static int sti_drm_dbg_init(struct drm_minor *minor)
		{
		int ret;

		ret = drm_debugfs_create_files(sti_drm_dbg_list,
		ARRAY_SIZE(sti_drm_dbg_list),
		minor->debugfs_root, minor);
		if (ret)
		goto err;

		ret = sti_drm_debugfs_create(minor->debugfs_root, minor, "fps_show",
		&sti_drm_fps_fops);
		if (ret)
		goto err;

		DRM_INFO("%s: debugfs installed\n", DRIVER_NAME);
		return 0;
		err:
		DRM_ERROR("%s: cannot install debugfs\n", DRIVER_NAME);
		return ret;
		}

		void sti_drm_dbg_cleanup(struct drm_minor *minor)
		{
		drm_debugfs_remove_files(sti_drm_dbg_list,
		ARRAY_SIZE(sti_drm_dbg_list), minor);

		drm_debugfs_remove_files((struct drm_info_list *)&sti_drm_fps_fops,
		1, minor);
		}

		static void sti_atomic_schedule(struct sti_private *private,
		struct drm_atomic_state *state)
		{
		@@ -181,18 +306,9 @@ static const struct file_operations sti_driver_fops = {
		.release = drm_release,
		};

		static struct dma_buf sti_gem_prime_export(struct drm_device dev,
		struct drm_gem_object *obj,
		int flags)
		{
		/* we want to be able to write in mmapped buffer */
		flags \|= O_RDWR;
		return drm_gem_prime_export(dev, obj, flags);
		}

		static struct drm_driver sti_driver = {
		.driver_features = DRIVER_HAVE_IRQ \| DRIVER_MODESET \|
		DRIVER_GEM \| DRIVER_PRIME,
		DRIVER_GEM \| DRIVER_PRIME \| DRIVER_ATOMIC,
		.load = sti_load,
		.gem_free_object = drm_gem_cma_free_object,
		.gem_vm_ops = &drm_gem_cma_vm_ops,
		@@ -207,7 +323,7 @@ static struct drm_driver sti_driver = {

		.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
		.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
		.gem_prime_export = sti_gem_prime_export,
		.gem_prime_export = drm_gem_prime_export,
		.gem_prime_import = drm_gem_prime_import,
		.gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table,
		.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table,
		@@ -215,6 +331,9 @@ static struct drm_driver sti_driver = {
		.gem_prime_vunmap = drm_gem_cma_prime_vunmap,
		.gem_prime_mmap = drm_gem_cma_prime_mmap,

		.debugfs_init = sti_drm_dbg_init,
		.debugfs_cleanup = sti_drm_dbg_cleanup,

		.name = DRIVER_NAME,
		.desc = DRIVER_DESC,
		.date = DRIVER_DATE,