X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fradeon%2Fradeon_combios.c;h=44198581ba9efedea1dcc59a5d2083b756e2cea2;hb=68b61a7fd21be9df23577d48643ba9e364758200;hp=37db8adb27481678b959f74f1f7432a177485ddb;hpb=3a89b4a9ca7ce11e3b7d5119aea917b9fc29a302;p=deliverable%2Flinux.git

diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 37db8adb2748..44198581ba9e 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -450,17 +450,17 @@ bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
 {
 	int edid_info;
 	struct edid *edid;
+	unsigned char *raw;
 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
 	if (!edid_info)
 		return false;
 
-	edid = kmalloc(EDID_LENGTH * (DRM_MAX_EDID_EXT_NUM + 1),
-		       GFP_KERNEL);
+	raw = rdev->bios + edid_info;
+	edid = kmalloc(EDID_LENGTH * (raw[0x7e] + 1), GFP_KERNEL);
 	if (edid == NULL)
 		return false;
 
-	memcpy((unsigned char *)edid,
-	       (unsigned char *)(rdev->bios + edid_info), EDID_LENGTH);
+	memcpy((unsigned char *)edid, raw, EDID_LENGTH * (raw[0x7e] + 1));
 
 	if (!drm_edid_is_valid(edid)) {
 		kfree(edid);
@@ -1113,18 +1113,20 @@ struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
 				break;
 
 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
-			    (RBIOS16(tmp + 2) ==
-			     lvds->native_mode.vdisplay)) {
-				lvds->native_mode.htotal = RBIOS16(tmp + 17) * 8;
-				lvds->native_mode.hsync_start = RBIOS16(tmp + 21) * 8;
-				lvds->native_mode.hsync_end = (RBIOS8(tmp + 23) +
-							       RBIOS16(tmp + 21)) * 8;
-
-				lvds->native_mode.vtotal = RBIOS16(tmp + 24);
-				lvds->native_mode.vsync_start = RBIOS16(tmp + 28) & 0x7ff;
-				lvds->native_mode.vsync_end =
-					((RBIOS16(tmp + 28) & 0xf800) >> 11) +
-					(RBIOS16(tmp + 28) & 0x7ff);
+			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
+				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
+					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
+				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
+					(RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
+				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
+					(RBIOS8(tmp + 23) * 8);
+
+				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
+					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
+				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
+					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
+				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
+					((RBIOS16(tmp + 28) & 0xf800) >> 11);
 
 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
 				lvds->native_mode.flags = 0;