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path: root/drivers/video/gbefb.c
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Diffstat (limited to 'drivers/video/gbefb.c')
-rw-r--r--drivers/video/gbefb.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c
index d3c1922cb13a..485604cd4462 100644
--- a/drivers/video/gbefb.c
+++ b/drivers/video/gbefb.c
@@ -1126,7 +1126,7 @@ static int __init gbefb_probe(struct device *dev)
1126 gbefb_setup(options); 1126 gbefb_setup(options);
1127#endif 1127#endif
1128 1128
1129 if (!request_mem_region(GBE_BASE, sizeof(struct sgi_gbe), "GBE")) { 1129 if (!request_region(GBE_BASE, sizeof(struct sgi_gbe), "GBE")) {
1130 printk(KERN_ERR "gbefb: couldn't reserve mmio region\n"); 1130 printk(KERN_ERR "gbefb: couldn't reserve mmio region\n");
1131 ret = -EBUSY; 1131 ret = -EBUSY;
1132 goto out_release_framebuffer; 1132 goto out_release_framebuffer;
@@ -1152,12 +1152,24 @@ static int __init gbefb_probe(struct device *dev)
1152 if (gbe_mem_phys) { 1152 if (gbe_mem_phys) {
1153 /* memory was allocated at boot time */ 1153 /* memory was allocated at boot time */
1154 gbe_mem = ioremap_nocache(gbe_mem_phys, gbe_mem_size); 1154 gbe_mem = ioremap_nocache(gbe_mem_phys, gbe_mem_size);
1155 if (!gbe_mem) {
1156 printk(KERN_ERR "gbefb: couldn't map framebuffer\n");
1157 ret = -ENOMEM;
1158 goto out_tiles_free;
1159 }
1160
1155 gbe_dma_addr = 0; 1161 gbe_dma_addr = 0;
1156 } else { 1162 } else {
1157 /* try to allocate memory with the classical allocator 1163 /* try to allocate memory with the classical allocator
1158 * this has high chance to fail on low memory machines */ 1164 * this has high chance to fail on low memory machines */
1159 gbe_mem = dma_alloc_coherent(NULL, gbe_mem_size, &gbe_dma_addr, 1165 gbe_mem = dma_alloc_coherent(NULL, gbe_mem_size, &gbe_dma_addr,
1160 GFP_KERNEL); 1166 GFP_KERNEL);
1167 if (!gbe_mem) {
1168 printk(KERN_ERR "gbefb: couldn't allocate framebuffer memory\n");
1169 ret = -ENOMEM;
1170 goto out_tiles_free;
1171 }
1172
1161 gbe_mem_phys = (unsigned long) gbe_dma_addr; 1173 gbe_mem_phys = (unsigned long) gbe_dma_addr;
1162 } 1174 }
1163 1175
@@ -1165,12 +1177,6 @@ static int __init gbefb_probe(struct device *dev)
1165 mtrr_add(gbe_mem_phys, gbe_mem_size, MTRR_TYPE_WRCOMB, 1); 1177 mtrr_add(gbe_mem_phys, gbe_mem_size, MTRR_TYPE_WRCOMB, 1);
1166#endif 1178#endif
1167 1179
1168 if (!gbe_mem) {
1169 printk(KERN_ERR "gbefb: couldn't map framebuffer\n");
1170 ret = -ENXIO;
1171 goto out_tiles_free;
1172 }
1173
1174 /* map framebuffer memory into tiles table */ 1180 /* map framebuffer memory into tiles table */
1175 for (i = 0; i < (gbe_mem_size >> TILE_SHIFT); i++) 1181 for (i = 0; i < (gbe_mem_size >> TILE_SHIFT); i++)
1176 gbe_tiles.cpu[i] = (gbe_mem_phys >> TILE_SHIFT) + i; 1182 gbe_tiles.cpu[i] = (gbe_mem_phys >> TILE_SHIFT) + i;