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path: root/drivers/video/omap2/omapfb/omapfb-main.c
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Diffstat (limited to 'drivers/video/omap2/omapfb/omapfb-main.c')
-rw-r--r--drivers/video/omap2/omapfb/omapfb-main.c204
1 files changed, 137 insertions, 67 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index bc225e46fdd2..ca585ef37f25 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -31,7 +31,6 @@
#include <linux/omapfb.h>
#include <video/omapdss.h>
-#include <plat/vram.h>
#include <video/omapvrfb.h>
#include "omapfb.h"
@@ -1258,11 +1257,10 @@ static int omapfb_blank(int blank, struct fb_info *fbi)
switch (blank) {
case FB_BLANK_UNBLANK:
- if (display->state != OMAP_DSS_DISPLAY_SUSPENDED)
+ if (display->state == OMAP_DSS_DISPLAY_ACTIVE)
goto exit;
- if (display->driver->resume)
- r = display->driver->resume(display);
+ r = display->driver->enable(display);
if ((display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) &&
d->update_mode == OMAPFB_AUTO_UPDATE &&
@@ -1283,8 +1281,7 @@ static int omapfb_blank(int blank, struct fb_info *fbi)
if (d->auto_update_work_enabled)
omapfb_stop_auto_update(fbdev, display);
- if (display->driver->suspend)
- r = display->driver->suspend(display);
+ display->driver->disable(display);
break;
@@ -1335,24 +1332,25 @@ static void omapfb_free_fbmem(struct fb_info *fbi)
rg = ofbi->region;
- WARN_ON(atomic_read(&rg->map_count));
-
- if (rg->paddr)
- if (omap_vram_free(rg->paddr, rg->size))
- dev_err(fbdev->dev, "VRAM FREE failed\n");
+ if (rg->token == NULL)
+ return;
- if (rg->vaddr)
- iounmap(rg->vaddr);
+ WARN_ON(atomic_read(&rg->map_count));
if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
/* unmap the 0 angle rotation */
if (rg->vrfb.vaddr[0]) {
iounmap(rg->vrfb.vaddr[0]);
- omap_vrfb_release_ctx(&rg->vrfb);
rg->vrfb.vaddr[0] = NULL;
}
+
+ omap_vrfb_release_ctx(&rg->vrfb);
}
+ dma_free_attrs(fbdev->dev, rg->size, rg->token, rg->dma_handle,
+ &rg->attrs);
+
+ rg->token = NULL;
rg->vaddr = NULL;
rg->paddr = 0;
rg->alloc = 0;
@@ -1387,7 +1385,9 @@ static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size,
struct omapfb_info *ofbi = FB2OFB(fbi);
struct omapfb2_device *fbdev = ofbi->fbdev;
struct omapfb2_mem_region *rg;
- void __iomem *vaddr;
+ void *token;
+ DEFINE_DMA_ATTRS(attrs);
+ dma_addr_t dma_handle;
int r;
rg = ofbi->region;
@@ -1402,42 +1402,40 @@ static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size,
size = PAGE_ALIGN(size);
- if (!paddr) {
- DBG("allocating %lu bytes for fb %d\n", size, ofbi->id);
- r = omap_vram_alloc(size, &paddr);
- } else {
- DBG("reserving %lu bytes at %lx for fb %d\n", size, paddr,
- ofbi->id);
- r = omap_vram_reserve(paddr, size);
- }
+ dma_set_attr(DMA_ATTR_WRITE_COMBINE, &attrs);
- if (r) {
+ if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+ dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
+
+ DBG("allocating %lu bytes for fb %d\n", size, ofbi->id);
+
+ token = dma_alloc_attrs(fbdev->dev, size, &dma_handle,
+ GFP_KERNEL, &attrs);
+
+ if (token == NULL) {
dev_err(fbdev->dev, "failed to allocate framebuffer\n");
return -ENOMEM;
}
- if (ofbi->rotation_type != OMAP_DSS_ROT_VRFB) {
- vaddr = ioremap_wc(paddr, size);
-
- if (!vaddr) {
- dev_err(fbdev->dev, "failed to ioremap framebuffer\n");
- omap_vram_free(paddr, size);
- return -ENOMEM;
- }
+ DBG("allocated VRAM paddr %lx, vaddr %p\n",
+ (unsigned long)dma_handle, token);
- DBG("allocated VRAM paddr %lx, vaddr %p\n", paddr, vaddr);
- } else {
+ if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
r = omap_vrfb_request_ctx(&rg->vrfb);
if (r) {
+ dma_free_attrs(fbdev->dev, size, token, dma_handle,
+ &attrs);
dev_err(fbdev->dev, "vrfb create ctx failed\n");
return r;
}
-
- vaddr = NULL;
}
- rg->paddr = paddr;
- rg->vaddr = vaddr;
+ rg->attrs = attrs;
+ rg->token = token;
+ rg->dma_handle = dma_handle;
+
+ rg->paddr = (unsigned long)dma_handle;
+ rg->vaddr = (void __iomem *)token;
rg->size = size;
rg->alloc = 1;
@@ -1531,6 +1529,9 @@ static int omapfb_parse_vram_param(const char *param, int max_entries,
}
+ WARN_ONCE(paddr,
+ "reserving memory at predefined address not supported\n");
+
paddrs[fbnum] = paddr;
sizes[fbnum] = size;
@@ -1610,7 +1611,6 @@ int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type)
{
struct omapfb_info *ofbi = FB2OFB(fbi);
struct omapfb2_device *fbdev = ofbi->fbdev;
- struct omap_dss_device *display = fb2display(fbi);
struct omapfb2_mem_region *rg = ofbi->region;
unsigned long old_size = rg->size;
unsigned long old_paddr = rg->paddr;
@@ -1625,9 +1625,6 @@ int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type)
if (old_size == size && old_type == type)
return 0;
- if (display && display->driver->sync)
- display->driver->sync(display);
-
omapfb_free_fbmem(fbi);
if (size == 0) {
@@ -1882,7 +1879,6 @@ static void omapfb_free_resources(struct omapfb2_device *fbdev)
}
dev_set_drvdata(fbdev->dev, NULL);
- kfree(fbdev);
}
static int omapfb_create_framebuffers(struct omapfb2_device *fbdev)
@@ -2258,26 +2254,28 @@ static int omapfb_find_best_mode(struct omap_dss_device *display,
{
struct fb_monspecs *specs;
u8 *edid;
- int r, i, best_xres, best_idx, len;
+ int r, i, best_idx, len;
if (!display->driver->read_edid)
return -ENODEV;
len = 0x80 * 2;
edid = kmalloc(len, GFP_KERNEL);
+ if (edid == NULL)
+ return -ENOMEM;
r = display->driver->read_edid(display, edid, len);
if (r < 0)
goto err1;
specs = kzalloc(sizeof(*specs), GFP_KERNEL);
+ if (specs == NULL) {
+ r = -ENOMEM;
+ goto err1;
+ }
fb_edid_to_monspecs(edid, specs);
- if (edid[126] > 0)
- fb_edid_add_monspecs(edid + 0x80, specs);
-
- best_xres = 0;
best_idx = -1;
for (i = 0; i < specs->modedb_len; ++i) {
@@ -2293,16 +2291,20 @@ static int omapfb_find_best_mode(struct omap_dss_device *display,
if (m->xres == 2880 || m->xres == 1440)
continue;
+ if (m->vmode & FB_VMODE_INTERLACED ||
+ m->vmode & FB_VMODE_DOUBLE)
+ continue;
+
fb_videomode_to_omap_timings(m, display, &t);
r = display->driver->check_timings(display, &t);
- if (r == 0 && best_xres < m->xres) {
- best_xres = m->xres;
+ if (r == 0) {
best_idx = i;
+ break;
}
}
- if (best_xres == 0) {
+ if (best_idx == -1) {
r = -ENOENT;
goto err2;
}
@@ -2371,15 +2373,62 @@ static int omapfb_init_display(struct omapfb2_device *fbdev,
return 0;
}
+static int omapfb_init_connections(struct omapfb2_device *fbdev,
+ struct omap_dss_device *def_dssdev)
+{
+ int i, r;
+ struct omap_overlay_manager *mgr;
+
+ if (!def_dssdev->output) {
+ dev_err(fbdev->dev, "no output for the default display\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < fbdev->num_displays; ++i) {
+ struct omap_dss_device *dssdev = fbdev->displays[i].dssdev;
+ struct omap_dss_output *out = dssdev->output;
+
+ mgr = omap_dss_get_overlay_manager(dssdev->channel);
+
+ if (!mgr || !out)
+ continue;
+
+ if (mgr->output)
+ mgr->unset_output(mgr);
+
+ mgr->set_output(mgr, out);
+ }
+
+ mgr = def_dssdev->output->manager;
+
+ if (!mgr) {
+ dev_err(fbdev->dev, "no ovl manager for the default display\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < fbdev->num_overlays; i++) {
+ struct omap_overlay *ovl = fbdev->overlays[i];
+
+ if (ovl->manager)
+ ovl->unset_manager(ovl);
+
+ r = ovl->set_manager(ovl, mgr);
+ if (r)
+ dev_warn(fbdev->dev,
+ "failed to connect overlay %s to manager %s\n",
+ ovl->name, mgr->name);
+ }
+
+ return 0;
+}
+
static int __init omapfb_probe(struct platform_device *pdev)
{
struct omapfb2_device *fbdev = NULL;
int r = 0;
int i;
- struct omap_overlay *ovl;
struct omap_dss_device *def_display;
struct omap_dss_device *dssdev;
- struct omap_dss_device *ovl_device;
DBG("omapfb_probe\n");
@@ -2389,7 +2438,8 @@ static int __init omapfb_probe(struct platform_device *pdev)
goto err0;
}
- fbdev = kzalloc(sizeof(struct omapfb2_device), GFP_KERNEL);
+ fbdev = devm_kzalloc(&pdev->dev, sizeof(struct omapfb2_device),
+ GFP_KERNEL);
if (fbdev == NULL) {
r = -ENOMEM;
goto err0;
@@ -2401,13 +2451,15 @@ static int __init omapfb_probe(struct platform_device *pdev)
"ignoring the module parameter vrfb=y\n");
}
+ r = omapdss_compat_init();
+ if (r)
+ goto err0;
mutex_init(&fbdev->mtx);
fbdev->dev = &pdev->dev;
platform_set_drvdata(pdev, fbdev);
- r = 0;
fbdev->num_displays = 0;
dssdev = NULL;
for_each_dss_dev(dssdev) {
@@ -2430,9 +2482,6 @@ static int __init omapfb_probe(struct platform_device *pdev)
d->update_mode = OMAPFB_AUTO_UPDATE;
}
- if (r)
- goto cleanup;
-
if (fbdev->num_displays == 0) {
dev_err(&pdev->dev, "no displays\n");
r = -EINVAL;
@@ -2447,15 +2496,33 @@ static int __init omapfb_probe(struct platform_device *pdev)
for (i = 0; i < fbdev->num_managers; i++)
fbdev->managers[i] = omap_dss_get_overlay_manager(i);
- /* gfx overlay should be the default one. find a display
- * connected to that, and use it as default display */
- ovl = omap_dss_get_overlay(0);
- ovl_device = ovl->get_device(ovl);
- if (ovl_device) {
- def_display = ovl_device;
- } else {
- dev_warn(&pdev->dev, "cannot find default display\n");
- def_display = NULL;
+ def_display = NULL;
+
+ for (i = 0; i < fbdev->num_displays; ++i) {
+ struct omap_dss_device *dssdev;
+ const char *def_name;
+
+ def_name = omapdss_get_default_display_name();
+
+ dssdev = fbdev->displays[i].dssdev;
+
+ if (def_name == NULL ||
+ (dssdev->name && strcmp(def_name, dssdev->name) == 0)) {
+ def_display = dssdev;
+ break;
+ }
+ }
+
+ if (def_display == NULL) {
+ dev_err(fbdev->dev, "failed to find default display\n");
+ r = -EINVAL;
+ goto cleanup;
+ }
+
+ r = omapfb_init_connections(fbdev, def_display);
+ if (r) {
+ dev_err(fbdev->dev, "failed to init overlay connections\n");
+ goto cleanup;
}
if (def_mode && strlen(def_mode) > 0) {
@@ -2506,6 +2573,7 @@ static int __init omapfb_probe(struct platform_device *pdev)
cleanup:
omapfb_free_resources(fbdev);
+ omapdss_compat_uninit();
err0:
dev_err(&pdev->dev, "failed to setup omapfb\n");
return r;
@@ -2521,6 +2589,8 @@ static int __exit omapfb_remove(struct platform_device *pdev)
omapfb_free_resources(fbdev);
+ omapdss_compat_uninit();
+
return 0;
}