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authorDave Airlie <airlied@redhat.com>2015-02-24 09:24:02 +1000
committerAlex Deucher <alexander.deucher@amd.com>2015-03-19 12:26:50 -0400
commit2be123d7c6d2356cfe6655ccc3c210cf23da80ce (patch)
treefa7810655e2b12488c426006d5676da255e3f72f
parentbf071900c347c43f9d982df5209191fc45cbc3a4 (diff)
drm/radeon: export max link rate calculation
We need this in the MST code later. Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_mode.h2
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index a014c7bfa764..3e3290c203c6 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -310,8 +310,8 @@ static int dp_get_max_dp_pix_clock(int link_rate,
/***** radeon specific DP functions *****/
-static int radeon_dp_get_max_link_rate(struct drm_connector *connector,
- u8 dpcd[DP_DPCD_SIZE])
+int radeon_dp_get_max_link_rate(struct drm_connector *connector,
+ u8 dpcd[DP_DPCD_SIZE])
{
int max_link_rate;
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index f6a43461b76c..e66a4b4caab2 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -719,6 +719,8 @@ extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
struct drm_connector *connector);
+int radeon_dp_get_max_link_rate(struct drm_connector *connector,
+ u8 *dpcd);
extern void radeon_dp_set_rx_power_state(struct drm_connector *connector,
u8 power_state);
extern void radeon_dp_aux_init(struct radeon_connector *radeon_connector);