drm/radeon/kms: update new pll algo
- add support for pre-avivo chips
- add support for fixed post/ref dividers
- add support for non-fractional fb dividers
By default avivo chips use the new algo and
pre-avivo chips use the old algo. Use the "new_pll"
module option to toggle between them.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index a9572e6..be99d4e 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -86,7 +86,7 @@
int radeon_testing = 0;
int radeon_connector_table = 0;
int radeon_tv = 1;
-int radeon_new_pll = 1;
+int radeon_new_pll = -1;
int radeon_dynpm = -1;
int radeon_audio = 1;
@@ -123,7 +123,7 @@
MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
module_param_named(tv, radeon_tv, int, 0444);
-MODULE_PARM_DESC(new_pll, "Select new PLL code for AVIVO chips");
+MODULE_PARM_DESC(new_pll, "Select new PLL code");
module_param_named(new_pll, radeon_new_pll, int, 0444);
MODULE_PARM_DESC(dynpm, "Disable/Enable dynamic power management (1 = enable)");