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path: root/drivers/gpu/drm/i915/display/intel_dpio_phy.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dpio_phy.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dpio_phy.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
index 8732b8722ed7..7eb7440b3180 100644
--- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
@@ -21,6 +21,7 @@
* DEALINGS IN THE SOFTWARE.
*/
+#include "i915_reg.h"
#include "intel_ddi.h"
#include "intel_ddi_buf_trans.h"
#include "intel_de.h"
@@ -655,6 +656,48 @@ bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder)
return mask;
}
+enum dpio_channel vlv_dig_port_to_channel(struct intel_digital_port *dig_port)
+{
+ switch (dig_port->base.port) {
+ default:
+ MISSING_CASE(dig_port->base.port);
+ fallthrough;
+ case PORT_B:
+ case PORT_D:
+ return DPIO_CH0;
+ case PORT_C:
+ return DPIO_CH1;
+ }
+}
+
+enum dpio_phy vlv_dig_port_to_phy(struct intel_digital_port *dig_port)
+{
+ switch (dig_port->base.port) {
+ default:
+ MISSING_CASE(dig_port->base.port);
+ fallthrough;
+ case PORT_B:
+ case PORT_C:
+ return DPIO_PHY0;
+ case PORT_D:
+ return DPIO_PHY1;
+ }
+}
+
+enum dpio_channel vlv_pipe_to_channel(enum pipe pipe)
+{
+ switch (pipe) {
+ default:
+ MISSING_CASE(pipe);
+ fallthrough;
+ case PIPE_A:
+ case PIPE_C:
+ return DPIO_CH0;
+ case PIPE_B:
+ return DPIO_CH1;
+ }
+}
+
void chv_set_phy_signal_level(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
u32 deemph_reg_value, u32 margin_reg_value,