diff options
Diffstat (limited to 'recipes/linux/linux-omap/0009-DSS-OMAPFB-allocate-fbmem-only-for-fb0-or-if-spes.patch')
| -rw-r--r-- | recipes/linux/linux-omap/0009-DSS-OMAPFB-allocate-fbmem-only-for-fb0-or-if-spes.patch | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap/0009-DSS-OMAPFB-allocate-fbmem-only-for-fb0-or-if-spes.patch b/recipes/linux/linux-omap/0009-DSS-OMAPFB-allocate-fbmem-only-for-fb0-or-if-spes.patch new file mode 100644 index 0000000000..89174909a0 --- /dev/null +++ b/recipes/linux/linux-omap/0009-DSS-OMAPFB-allocate-fbmem-only-for-fb0-or-if-spes.patch @@ -0,0 +1,121 @@ +From bd4fd1dd3be7ff31a6cf779f0683d617280ac92e Mon Sep 17 00:00:00 2001 +From: Tomi Valkeinen <tomi.valkeinen@nokia.com> +Date: Wed, 7 Jan 2009 16:44:17 +0200 +Subject: [PATCH] DSS: OMAPFB: allocate fbmem only for fb0, or if spesified in vram arg + +--- + drivers/video/omap2/omapfb-main.c | 65 +++++++++++++++++++----------------- + 1 files changed, 34 insertions(+), 31 deletions(-) + +diff --git a/drivers/video/omap2/omapfb-main.c b/drivers/video/omap2/omapfb-main.c +index 76bd416..9dbff42 100644 +--- a/drivers/video/omap2/omapfb-main.c ++++ b/drivers/video/omap2/omapfb-main.c +@@ -939,11 +939,12 @@ static int omapfb_alloc_fbmem_display(struct omapfb2_device *fbdev, int fbnum, + break; + } + +- size = display->panel->timings.x_res * display->panel->timings.y_res * +- bytespp; +- +- if (def_vram > size) ++ if (def_vram) + size = def_vram; ++ else ++ size = display->panel->timings.x_res * ++ display->panel->timings.y_res * ++ bytespp; + + return omapfb_alloc_fbmem(fbdev, fbnum, size); + } +@@ -956,13 +957,25 @@ static int omapfb_allocate_all_fbs(struct omapfb2_device *fbdev) + memset(vrams, 0, sizeof(vrams)); + + if (def_vram) { +- char *p = def_vram; ++ char str[64]; ++ char *tok, *s; ++ ++ if (strlen(def_vram) > sizeof(str) - 1) { ++ dev_err(fbdev->dev, "Illegal vram parameters\n"); ++ return -EINVAL; ++ } ++ ++ strcpy(str, def_vram); ++ ++ s = str; + i = 0; + +- while (true) { ++ while ((tok = strsep(&s, ","))) { + unsigned long size; + +- size = memparse(p, &p); ++ printk("param '%s'\n", tok); ++ ++ size = memparse(tok, NULL); + + if (size == 0) { + dev_err(fbdev->dev, "illegal vram size\n"); +@@ -970,19 +983,18 @@ static int omapfb_allocate_all_fbs(struct omapfb2_device *fbdev) + } + + vrams[i++] = size; +- +- if (*p != ',') +- break; +- +- p++; + } + } + + for (i = 0; i < fbdev->num_fbs; i++) { +- r = omapfb_alloc_fbmem_display(fbdev, i, vrams[i]); ++ /* allocate memory automatically only for fb0, or if ++ * excplicitly defined with vram option */ ++ if (i == 0 || vrams[i] != 0) { ++ r = omapfb_alloc_fbmem_display(fbdev, i, vrams[i]); + +- if (r) +- return r; ++ if (r) ++ return r; ++ } + } + + for (i = 0; i < fbdev->num_fbs; i++) { +@@ -1167,24 +1179,15 @@ static int omapfb_create_framebuffers(struct omapfb2_device *fbdev) + dev_err(fbdev->dev, "failed to change mode\n"); + } + +- /* Enable the first framebuffer that has overlay that is connected +- * to display. Usually this would be the GFX plane. */ +- r = 0; +- for (i = 0; i < fbdev->num_fbs; i++) { +- struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]); +- int t; ++ /* Enable fb0 */ ++ if (fbdev->num_fbs > 0) { ++ struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[0]); + +- for (t = 0; t < ofbi->num_overlays; t++) { +- struct omap_overlay *ovl = ofbi->overlays[t]; +- if (ovl->manager && ovl->manager->display) { +- ovl->enable(ovl, 1); +- r = 1; +- break; +- } +- } ++ if (ofbi->num_overlays > 0 ) { ++ struct omap_overlay *ovl = ofbi->overlays[0]; + +- if (r) +- break; ++ ovl->enable(ovl, 1); ++ } + } + + DBG("create_framebuffers done\n"); +-- +1.5.6.3 + |