Commit 4e718a0e authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/i915/dp: add helper for checking for UHBR link rate 



Helpful abstraction to avoid duplication.

Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/fe9a222ad900da797c989de9f7fa13928d2c9861.1631191763.git.jani.nikula@intel.com
parent 7bb97db8

drivers/gpu/drm/i915/display/intel_dp.c

+6 −0
Original line number Diff line number Diff line
@@ -115,6 +115,12 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp) 
static void intel_dp_unset_edid(struct intel_dp *intel_dp);

static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc);



/* Is link rate UHBR and thus 128b/132b? */

bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state)

{

	return crtc_state->port_clock >= 1000000;

}



/* update sink rates from dpcd */

static void intel_dp_set_sink_rates(struct intel_dp *intel_dp)

{

drivers/gpu/drm/i915/display/intel_dp.h

+1 −0
Original line number Diff line number Diff line
@@ -58,6 +58,7 @@ int intel_dp_compute_config(struct intel_encoder *encoder, 
			    struct intel_crtc_state *pipe_config,

			    struct drm_connector_state *conn_state);

bool intel_dp_is_edp(struct intel_dp *intel_dp);

bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state);

bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port);

enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port,

				  bool long_hpd);