1 files changed, 28 insertions, 14 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 0b69a9628c95..e4f33a4edea1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -2166,7 +2166,7 @@ peek_fb(struct drm_device *dev, struct io_mapping *fb,
         uint32_t val = 0;
 
         if (off < pci_resource_len(dev->pdev, 1)) {
-                uint32_t __iomem *p =
+                uint8_t __iomem *p =
                         io_mapping_map_atomic_wc(fb, off & PAGE_MASK, KM_USER0);
 
                 val = ioread32(p + (off & ~PAGE_MASK));
@@ -2182,7 +2182,7 @@ poke_fb(struct drm_device *dev, struct io_mapping *fb,
         uint32_t off, uint32_t val)
 {
         if (off < pci_resource_len(dev->pdev, 1)) {
-                uint32_t __iomem *p =
+                uint8_t __iomem *p =
                         io_mapping_map_atomic_wc(fb, off & PAGE_MASK, KM_USER0);
 
                 iowrite32(val, p + (off & ~PAGE_MASK));
@@ -4587,7 +4587,7 @@ nouveau_bios_run_display_table(struct drm_device *dev, struct dcb_entry *dcbent,
                         return 1;
                 }
 
-                NV_TRACE(dev, "0x%04X: parsing output script 0\n", script);
+                NV_DEBUG_KMS(dev, "0x%04X: parsing output script 0\n", script);
                 nouveau_bios_run_init_table(dev, script, dcbent);
         } else
         if (pxclk == -1) {
@@ -4597,7 +4597,7 @@ nouveau_bios_run_display_table(struct drm_device *dev, struct dcb_entry *dcbent,
                         return 1;
                 }
 
-                NV_TRACE(dev, "0x%04X: parsing output script 1\n", script);
+                NV_DEBUG_KMS(dev, "0x%04X: parsing output script 1\n", script);
                 nouveau_bios_run_init_table(dev, script, dcbent);
         } else
         if (pxclk == -2) {
@@ -4610,7 +4610,7 @@ nouveau_bios_run_display_table(struct drm_device *dev, struct dcb_entry *dcbent,
                         return 1;
                 }
 
-                NV_TRACE(dev, "0x%04X: parsing output script 2\n", script);
+                NV_DEBUG_KMS(dev, "0x%04X: parsing output script 2\n", script);
                 nouveau_bios_run_init_table(dev, script, dcbent);
         } else
         if (pxclk > 0) {
@@ -4622,7 +4622,7 @@ nouveau_bios_run_display_table(struct drm_device *dev, struct dcb_entry *dcbent,
                         return 1;
                 }
 
-                NV_TRACE(dev, "0x%04X: parsing clock script 0\n", script);
+                NV_DEBUG_KMS(dev, "0x%04X: parsing clock script 0\n", script);
                 nouveau_bios_run_init_table(dev, script, dcbent);
         } else
         if (pxclk < 0) {
@@ -4634,7 +4634,7 @@ nouveau_bios_run_display_table(struct drm_device *dev, struct dcb_entry *dcbent,
                         return 1;
                 }
 
-                NV_TRACE(dev, "0x%04X: parsing clock script 1\n", script);
+                NV_DEBUG_KMS(dev, "0x%04X: parsing clock script 1\n", script);
                 nouveau_bios_run_init_table(dev, script, dcbent);
         }
 
@@ -5357,19 +5357,17 @@ static int parse_bit_tmds_tbl_entry(struct drm_device *dev, struct nvbios *bios,
         }
 
         tmdstableptr = ROM16(bios->data[bitentry->offset]);
-
-        if (tmdstableptr == 0x0) {
+        if (!tmdstableptr) {
                 NV_ERROR(dev, "Pointer to TMDS table invalid\n");
                 return -EINVAL;
         }
 
+        NV_INFO(dev, "TMDS table version %d.%d\n",
+                bios->data[tmdstableptr] >> 4, bios->data[tmdstableptr] & 0xf);
+
         /* nv50+ has v2.0, but we don't parse it atm */
-        if (bios->data[tmdstableptr] != 0x11) {
-                NV_WARN(dev,
-                        "TMDS table revision %d.%d not currently supported\n",
-                        bios->data[tmdstableptr] >> 4, bios->data[tmdstableptr] & 0xf);
+        if (bios->data[tmdstableptr] != 0x11)
                 return -ENOSYS;
-        }
 
         /*
          * These two scripts are odd: they don't seem to get run even when
@@ -5809,6 +5807,22 @@ parse_dcb_gpio_table(struct nvbios *bios)
                         gpio->line = tvdac_gpio[1] >> 4;
                         gpio->invert = tvdac_gpio[0] & 2;
                 }
+        } else {
+                /*
+                 * No systematic way to store GPIO info on pre-v2.2
+                 * DCBs, try to match the PCI device IDs.
+                 */
+
+                /* Apple iMac G4 NV18 */
+                if (dev->pdev->device == 0x0189 &&
+                    dev->pdev->subsystem_vendor == 0x10de &&
+                    dev->pdev->subsystem_device == 0x0010) {
+                        struct dcb_gpio_entry *gpio = new_gpio_entry(bios);
+
+                        gpio->tag = DCB_GPIO_TVDAC0;
+                        gpio->line = 4;
+                }
+
         }
 
         if (!gpio_table_ptr)